PLEASE HELP ME :( PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME

PLEASE HELP ME :( PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP ME PLEASE HELP

Answers

Answer 1

Answer:

Step-by-step explanation:

...Negative.

Answer 2

Answer:

Negative

Step-by-step explanation:


Related Questions

SOMEONE PLEASE HELP WILL MARK BRAINLIEST THANK YOU

SOMEONE PLEASE HELP WILL MARK BRAINLIEST THANK YOU

Answers

Answer:

The way that I solved this problem, is finding the area of the larger white square and subtracting it by the area of the smaller white squares. In order to find the area of the larger white square I need to find the length of at least one of its sides. From the diagram, we know that the length of the top side of the square next to the shaded square is 10, and since the length of all sides of a square are equal, the length of the right side must also be 10. With this information, we can add the lengths 10 and 16, to get that the length of the side of the larger white square is 26. Now we can square this number to find the area of the larger white square:

26^2 = 676

Now we use this same logic, to know that the area of the white square diagonal to the shaded square is 16^2 = 256. Again, we use the same logic to find that the area of the white square to the right of the shaded square is 10^2 = 100, and the area of the white square bottom to the shaded square is also 100. Now we add these numbers and subtract them from 676:

256 + 100 + 100 = 456

676 - 456 = 220.

So the area of the shaded square is 220.

Match each multiplication expression on the left with the best estimate of its product on the right. (80)(30) = 2,400 29.3 x 5.9 81.4 x 32.1 32.9 x 4.81 46.7 x 31.7 59.3 x 3.57 (30)(6) = 180 (30)(5) = 150 (60)(4) = 240 (50)(30) = 1,500 Done​

Answers

Here is the final matching of multiplication expressions with their estimated products:

(80)(30) = 2,400

(30)(6) = 180

(30)(5) = 150

(60)(4) = 240

(50)(30) = 1,500

29.3 x 5.9 ≈ 173

81.4 x 32.1 ≈ 2,618

32.9 x 4.81 ≈ 158

46.7 x 31.7 ≈ 1,479

59.3 x 3.57 ≈ 212

Match each multiplication expression on the left with the best estimate of its product on the right:

(80)(30) = 2,400

(30)(6) = 180

(30)(5) = 150

(60)(4) = 240

(50)(30) = 1,500

29.3 x 5.9

81.4 x 32.1

32.9 x 4.81

46.7 x 31.7

59.3 x 3.57

Matching the expressions with their estimated products:

(80)(30) = 2,400

(30)(6) = 180

(30)(5) = 150

(60)(4) = 240

(50)(30) = 1,500

Estimates for the remaining expressions:

29.3 x 5.9 ≈ 173.27

81.4 x 32.1 ≈ 2,612.94

32.9 x 4.81 ≈ 158.05

46.7 x 31.7 ≈ 1,480.39

59.3 x 3.57 ≈ 211.46

Matching the expressions with their estimated products:

(80)(30) = 2,400

(30)(6) = 180

(30)(5) = 150

(60)(4) = 240

(50)(30) = 1,500

29.3 x 5.9 ≈ 173.27

81.4 x 32.1 ≈ 2,612.94

32.9 x 4.81 ≈ 158.05

46.7 x 31.7 ≈ 1,480.39

59.3 x 3.57 ≈ 211.46

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in a city, there are 8 and 3 private swimming pools. on weekends, 5 of the pool are open. Brendan says that the ratio of pools open on weekends to the total number of pools is 5:8. Cyndi says the ratio of pools open on weekends to the total of pools is 5:16 is either student correct .?

in a city, there are 8 and 3 private swimming pools. on weekends, 5 of the pool are open. Brendan says
in a city, there are 8 and 3 private swimming pools. on weekends, 5 of the pool are open. Brendan says
in a city, there are 8 and 3 private swimming pools. on weekends, 5 of the pool are open. Brendan says
in a city, there are 8 and 3 private swimming pools. on weekends, 5 of the pool are open. Brendan says
in a city, there are 8 and 3 private swimming pools. on weekends, 5 of the pool are open. Brendan says

Answers

Answer:

"5", "11", I believe that the answer for the middle option is "neither" or a synonym of that, "5", "11"

Step-by-step explanation:

The text says that there are only 5 pools open on the weekend.

There are a total of 11 pools (8+3).

Both said an incorrect number of total pools, so both are wrong.

The ratio is the number of pools open divided by the number of total pools, or 5/11.

If 12 inches is equal to 1 foot, then 3 inches is equal to

Answers

Answer:

1/4 a foot

Step-by-step explanation:

Answer: 1/4th of a foot

I don’t get it if explain plz

I dont get it if explain plz

Answers

Add the two equations:

2x + 4y = 16

-2x - 3y = -6

2x + -2x = 0

4y -3y = y

16-6 = 10

When you add the equations you get y = 10

Now you have a value for y, use the first equation to solve for x:

2x + 4(10) = 16

2x + 40 = 16

Subtract 40 from both sides:

2x = -24

Divide both sides by 2

X = -12

Answer: x = -12 and y = 10

Answer:

x = 12 y = 10

Step-by-step explanation:

Okay, Lets Solve!

You have to change the equations up to where if you line the equations up and added or subtracted, one of the variables will be eliminated:

:\(2x + 4y = 16\)

\(-2x - 3y = -6\\\)

These are our 2 equations! Now, to start, let's add these 2 equations up:

This is what you will get: \(y=10\)

Now that we know what y is, lets substitute that in one of our equations!

I am going to choose the 1st one : \(2x + (4)(10) = 16\)

Now, we solve for x!

\(2x + (4)(10) = 16\\= 2x + 40 = 16\\= 2x = -24\\= x = -12\)

There you go! rlly hope this helps!! :)

What is the slope of the line that contains these
points?
X=

-1 1
3
5

у=

10
2
-6
-14

Answers

Answer:

The slops is -4

Step-by-step explanation:

Given

x: -1   1    3   5

y: 10   2   -6   -14

Required

The slope

Pick any pair of x and y

\((x_1,y_1) = (-1,10)\)

\((x_2,y_2) = (1,2)\)

The slope is:

\(m = \frac{y_2 - y_1}{x_2 -x_1}\)

\(m = \frac{2 -10}{1 --1}\)

\(m = \frac{-8}{2}\)

\(m = -4\)

I need help ASAP, marking brainliest!

I need help ASAP, marking brainliest!

Answers

13.75 ft

33^2 = 30^2 + x^2
i’m pretty sure the answer is 13.75 ft

w^2 + 30^2 = 33^2

John's salary is $1600. Peter 's salary is $400 less than John's salary. Find the ratio Peter's salary to John's salary in the simplest form.

Answers

$300 to $400

Step-by-step explanation:

10. Here are two equations: Equation 1: y = 3x + 8 Equation 2: 2x - y = -6 Without using graphing technology: (Lesson 2-12) a. Find a point that is a solution to Equation 1 but not a solution to Equation 2. b. Find a point that is a solution to Equation 2 but not a solution to equation 1 c.graph the 2 equations d. find a point that is a solution to both equations ​

10. Here are two equations: Equation 1: y = 3x + 8 Equation 2: 2x - y = -6 Without using graphing technology:

Answers

Answer:

even numbers I think

Step-by-step explanation:

y = 3x + 8's points: 11, 14, 17, 20.

2x - y = 6 (or y = 2x + 6)'s points: 8, 10, 12, 14.

A point that is a solution to both equations is (-2, 2).

The two given equations are y=3x+8 and 2x-y=-6.

What is the solution to an equation?

The solution of an equation is the array of all values that, when replaced for unknowns, make an equation true.

a) The solution of an equation y=3x+8.

Now, put x=0,1,2,3,... in the equation and simplify

That is, y=8, 11, 14,....

b) The solution of an equation y=2x+6.

Now, put x=0,1,2,3,... in the equation and simplify

That is, y=6, 8, 10,....

c) The graph for the given equations are plotted below.

d) The solution to both equation is (-2, 2)

Therefore, a point that is a solution to both equations is (-2, 2).

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10. Here are two equations: Equation 1: y = 3x + 8 Equation 2: 2x - y = -6 Without using graphing technology:

PLS HELP I HAVE 10 MINUTES LEFT

PLS HELP I HAVE 10 MINUTES LEFT

Answers

Answer:

the first one and the last one

Step-by-step explanation:

trust me

Suppose you deposit 1000 ​$ in a savings account that pays interest at an annual rate of ​4%. If no money is added or withdrawn from the​ account, answer the following questions.

How much will be in the account after 3 ​years?
b. How much will be in the account after 16 ​years?
c. How many years will it take for the account to contain 1,500 ​$​?
d. How many years will it take for the account to contain 2000​$​?


Some one please helppppppp mee

Answers

Answer:

a. 1124.86

b.  1872.98

c. 10.35

d. 17.7

Step-by-step explanation:

use the formula A(t) = a (1+r)^t

Bean Seed Growth Temp 25 20 15 10 Days S 7 9 If the trend continues, how many days will it take at 10 degrees?​

Bean Seed Growth Temp 25 20 15 10 Days S 7 9 If the trend continues, how many days will it take at 10

Answers

The needed number of days at 10 degrees is given as follows:

11 days.

How to define a linear function?

The slope-intercept equation for a linear function is presented as follows:

y = mx + b

In which:

m is the slope.b is the intercept.

For this problem, we have that when x decreases by 5, y increases by 2, hence the slope m is given as follows:

m = -2/5

m = -0.4.

Hence the time needed for a temperature of 10 degrees is given as follows:

9 + 2 = 11 days.

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Verify that the following equation is an identity.

(5sinx+5cosx)^2=25sin2x+25

Answers

An identity is an equation that is always true for any value of the variable. To verify that an equation is an identity, we can substitute different values for the variable and see if the equation still holds true.

The given equation is (5sinx+5cosx)^2=25sin2x+25

We can start by expanding the left side of the equation:

(5sinx+5cosx)^2 = (5sinx)^2 + 2(5sinx)(5cosx) + (5cosx)^2

= 25sin^2x + 50sinxcosx + 25cos^2x

= 25(sin^2x + cos^2x) + 50sinxcosx

= 25 + 50sinxcosx

Now we can use the trigonometric identity sin^2x + cos^2x = 1 to simplify the equation further:

25 + 50sinxcosx = 25 + 50(sinxcosx) = 25 + 25sin2x

Now we can see that the left side of the original equation is equal to the right side of the equation, 25sin2x+25.

Therefore, the equation (5sinx+5cosx)^2 = 25sin2x+25 is an identity for all values of x.

If
R
=
{
x
|
x
>
0
}
and
S
=
{
x
|
x
<
3
}
, what is the number of integers in
R

S
?

A. Zero

B. Two

C. Three

D. Four

Answers

As per the given data, the number of integers in R ∩ S is 2, and the correct answer is (B) Two.

In mathematics, the intersection of two sets is a set containing all elements that are members of both sets.

In symbols, the intersection of two sets A and B is denoted by A ∩ B, and it contains all elements that belong to both A and B.

The intersection of two sets contains only the elements that are present in both sets. In this case,

R ∩ S = {x | x > 0 and x < 3}

The integers that are present in this set are 1 and 2.

Therefore, the number of integers in R ∩ S is 2, and the correct answer is (B) Two.

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Simplify the expression. negative 15 plus the quantity negative 1 and six tenths plus 9 and 34 hundredths end quantity divided by 6 all times 3 squared minus 5 and 7 tenths −4.125 −9.09 −12.96 129.09

Answers

The simplified expression in mathematical form is -45.36.

What is an expression?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation.

The expression given is -

(-15 + (-1.6 + 9.34) / 6) × (3² - 5.7)

Simplifying the terms inside the parentheses first, we get -

(-15 + 7.74 / 6) × (9 - 5.7)

Next, we simplify 7.74 / 6 by dividing the numerator by the denominator -

(-15 + 1.29) × (9 - 5.7)

We add -15 and 1.29 inside the first set of parentheses -

(-13.71) × (9 - 5.7)

We subtract 5.7 from 9 inside the second set of parentheses -

(-13.71) × 3.3

Multiplying these two terms, we get -

-45.363 ≈ -45.36

Therefore, the value is obtained as -45.36.

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i have to find angles mnop for 7 and wxyz for 8​

i have to find angles mnop for 7 and wxyz for 8

Answers

Answer:

128°, 128° and 52°, 52°110°, 110° and 70°, 70°

Step-by-step explanation:

7.........................................

Trapezium MNOP

Top two angles are equal as it is isosceles

8x - 16 = 6x + 208x - 6x = 20 + 162x = 36x = 18

---------

8x - 16 = 8*18 - 16 = 128°∠M = ∠N = 128°

Angles O and P are equal too and they are supplementary with angles M and N. Supplementary angles add up to 180° as per definition.

∠O= ∠P = 180° - 128° = 52°

8.........................................

Similar to problem 7, we have isosceles trapezium WXYZ

∠X and ∠Y are supplementary angles:

13x - 7 + 8x - 2 = 18021x = 189x = 9

---------

∠X = ∠W = 13*9° - 7° = 110°∠Y = ∠Z = 180° - 110° = 70°

I just started learning this and I don't really know what to pick. I'm confused. Please help me!​

I just started learning this and I don't really know what to pick. I'm confused. Please help me!

Answers

Answer:

The answer is A

Step-by-step explanation:

Please use the following for the next 6 questions. Suppose that the average weekly earnings for employees in general automotive repair shops is $450, and that the population standard deviation for the earnings for such employees is $50. A sample of 100 such employees is selected at random.

1) What is the probability distribution of the average weekly earnings for employees in general automotive repair shops?

2) Find the probability that the average weekly earnings is less than $445.

3) Find the probability that the average weekly earnings is exactly equal to $445.

4) Find the probability that the average weekly earnings is between $445 and $455.

5) In answering the previous 3 questions, did you have to make any assumptions about the population distribution?

6) Now assume that the weekly earnings for employees in all general automotive repair shops is normally distributed, obtain the probability that a given employee will earn more than $480 in a given week.

Answers

1) The probability distribution of the average weekly earnings for employees in general automotive repair shops is the sampling distribution of the sample mean. According to the Central Limit Theorem, if the sample size is large enough, the sampling distribution of the sample mean is approximately normal, with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.

2) To find the probability that the average weekly earnings is less than $445, we can standardize the sample mean and use a z-table. The z-score for $445 is calculated as follows: z = (445 - 450) / (50 / sqrt(100)) = -1. Using a z-table, we find that the probability that the average weekly earnings is less than $445 is approximately 0.1587.

3) Since we are dealing with a continuous distribution, the probability that the average weekly earnings is exactly equal to any specific value is zero.

4) To find the probability that the average weekly earnings is between $445 and $455, we can subtract the probability that it is less than $445 from the probability that it is less than $455. The z-score for $455 is calculated as follows: z = (455 - 450) / (50 / sqrt(100)) = 1. Using a z-table, we find that the probability that the average weekly earnings is less than $455 is approximately 0.8413. Therefore, the probability that it is between $445 and $455 is approximately 0.8413 - 0.1587 = 0.6826.

5) In answering questions 2-4, we made an assumption about the population distribution based on the Central Limit Theorem. We assumed that since our sample size was large enough (n=100), our sampling distribution would be approximately normal.

6) If we assume that weekly earnings for employees in all general automotive repair shops are normally distributed with a mean of $450 and a standard deviation of $50, then we can calculate the z-score for an employee earning more than $480 in a given week as follows: z = (480 - 450) / 50 = 0.6. Using a z-table, we find that the probability that an employee will earn more than $480 in a given week is approximately 1 - 0.7257 = 0.2743.

What is identity Theft? Your own words

Answers

Answer:

when someone is pretending to be you and like using your credit card or other form of like identity

Step-by-step explanation:

what is the answer to 7=100z

Answers

Divide both sides of the equation by the same term
7/100=100z/100
Simplify
Cancel the terms that are in both The numerator and the denominator
Move the variable to the left
Z=7/100

Answer:

7=100z

We move all terms to the left:

7-(100z)=0

We move all terms containing z to the left, all other terms to the right

-100z=-7

z=-7/-100

z=7/100

Step-by-step explanation:

The length of a rectangular field is represented by the expression 14x-3x^2+2y . The width of the field is represented by the expression 5x-7x^2+7y . How much greater is the length of the field than the width?

Answers

The length of the field is greater than the width by the expression \((14x - 3x^2 + 2y) - (5x - 7x^2 + 7y).\)

1. The length of the field is represented by the expression \(14x - 3x^2 + 2y.\)

2. The width of the field is represented by the expression \(5x - 7x^2 + 7y\).

3. To find the difference between the length and width, we subtract the width from the length: (\(14x - 3x^2 + 2y) - (5x - 7x^2 + 7y\)).

4. Simplifying the expression, we remove the parentheses: \(14x - 3x^2 + 2y - 5x + 7x^2 - 7y.\)

5. Combining like terms, we group the \(x^2\) terms together and the x terms together: \(-3x^2 + 7x^2 + 14x - 5x + 2y - 7y.\)

6. Simplifying further, we add the coefficients of like terms:\((7x^2 - 3x^2) + (14x - 5x) + (2y - 7y).\)

7. The simplified expression becomes: \(4x^2 + 9x - 5y.\)

8. Therefore, the length of the field is greater than the width by the expression \(4x^2 + 9x - 5y.\)

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A relation contains the points (negative2, 4), (negative1,1), (0,0), (1,1), and (2,4). Which statement accurately describes this relation?

Answers

Answer:

We have the points:

(-2,4), (-1, 1), (0, 0), (1, 1), (2, 4)

First, we can see a symmetry around the point (0, 0), then this is an even function. Where an even function is a function f(x) such that:

f(x) = f(-x)

And in this case we have:

f(-2) = 4 = f(2)

f(-1) = 1 = f(1)

Now, we can also assume that this is a quadratic function (or it behaves like a quadratic function near the range [-2, 2]).

Such that:

f(x) = a*x^2 + b*x + c

Now let's use the known points to find our equation, we start with (0, 0)

f(0) = 0 = a*0^2 + b*0 + c

then c = 0.

f(x) = a*x^2 + b*x

Now let's use the points (1, 1) and (-1, 1)

f(1) = a*1^2 + b*1 = 1 = a*(-1)^2 + b*-1

       a + b = a - b

           +b = -b

           2*b = 0

Then we must have b = 0

f(x) = a*x^2

And now we can use the point (2, 4)

f(2) = 4 = a*2^2 = a*4

Then  a = 1.

Our function is f(x) = 1*x^2

Can someone help me solve multiple step equations? For example (7t - 2) - (-3t + 1) = -3(1 - 3t)

Answers

Answer:

t = 0

Step-by-step explanation:

(7t - 2) - (-3t + 1) = -3(1 - 3t)

because you can not do anything inside the parantheses, you distribute. there aren't any numbers on the left side of the parantheses on the left side of the equation so we just imagine the number 1. on the right side of the equation, just distribute normally

[ 1(7t - 2) -1(-3t + 1) = -3(1 - 3t) ]

will be

7t - 2 + 3t - 1 = -3 + 9t

add like terms

10t - 3 = -3 + 9t

subtract 9t from both sides

t - 3 = -3

add 3 to both sides

t = 0

Seth is using the figure shown below to prove Pythagorean Theorem using triangle similarity:


In the given triangle ABC, angle A is 90° and segment AD is perpendicular to segment BC.


The figure shows triangle ABC with right angle at A and segment AD. Point D is on side BC.


Which of these could be a step to prove that BC2 = AB2 + AC2?

possible answers -
By the cross product property, AB2 = BC multiplied by BD.
By the cross product property, AC2 = BC multiplied by BD.
By the cross product property, AC2 = BC multiplied by AD.
By the cross product property, AB2 = BC multiplied by AD.

Seth is using the figure shown below to prove Pythagorean Theorem using triangle similarity:In the given

Answers

The correct step to prove that \(BC^2 = AB^2 + AC^2\) is:

By the cross product property, \(AC^2 = BC \cdot AD\).

To prove that \(BC^2 = AB^2 + AC^2\), we can use the triangle similarity and the Pythagorean theorem. Here's a step-by-step explanation:

Given triangle ABC with right angle at A and segment AD perpendicular to segment BC.

By triangle similarity, triangle ABD is similar to triangle ABC. This is because angle A is common, and angle BDA is a right angle (as AD is perpendicular to BC).

Using the proportionality of similar triangles, we can write the following ratio:

\($\frac{AB}{BC} = \frac{AD}{AB}$\)

Cross-multiplying, we get:

\($AB^2 = BC \cdot AD$\)

Similarly, using triangle similarity, triangle ACD is also similar to triangle ABC. This gives us:

\($\frac{AC}{BC} = \frac{AD}{AC}$\)

Cross-multiplying, we have:

\($AC^2 = BC \cdot AD$\)

Now, we can substitute the derived expressions into the original equation:

\($BC^2 = AB^2 + AC^2$\\$BC^2 = (BC \cdot AD) + (BC \cdot AD)$\\$BC^2 = 2 \cdot BC \cdot AD$\)

It was made possible by cross-product property.

Therefore, the correct step to prove that \(BC^2 = AB^2 + AC^2\) is:

By the cross product property, \(AC^2 = BC \cdot AD\).

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Jermaine kicked a soccer ball at a speed of 24 feet per second. If the ball never leaves the ground, then it can be represented by the function H(t) = −16t2 + 24t. Determine the time the ball traveled. (1 point) t = 24 seconds t = 8 seconds t = 1.5 seconds t = 0.67 seconds

Answers

The time that the ball traveled is given as follows:

1.5 seconds.

How to obtain the time traveled by the ball?

The quadratic function determining the ball's height after t seconds is given as follows:

H(t) = -16t² + 24t.

The roots of the quadratic function in this problem are given as follows:

-16t² + 24t = 0.

16t² - 24t = 0

8t(2t - 3) = 0.

Hence we apply the factor theorem as follows:

8t = 0 -> t = 0.2t - 3 = 0 -> 2t = 3 -> t = 1.5.

Hence the time is given as follows:

1.5 - 0 = 1.5 seconds.

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which number line shows the solution to x + 8 > 15

which number line shows the solution to x + 8 &gt; 15

Answers

7 is not included and hence it is depicted on the number line using an open dot. Hence, solution to the inequality is option B.

What is inequality?

In mathematics, inequalities specify the connection between two non-equal numbers. Equal does not imply inequality. Typically, we use the "not equal sign (≠)" to indicate that two values are not equal. But several inequalities are utilized to compare the numbers, whether it is less than or higher than.

The given inequality is:

x + 8 > 15

Subtracting 8 on both sides of the equation:

x + 8 - 8 > 15 - 8

x > 7

Here, 7 is not included and hence it is depicted using an open dot.

Hence, option B is the correct answer.

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Somebody help me pls ‍♀️

Somebody help me pls

Answers

1. The trigonometric ratios are given as follows:

Sine = opposite/hypotenuse.Cosine = adjacent/hypotenuse.Tangent = opposite/adjacent.

2. The equation to solve for x is given as follows: sin(52º) = x/13.

3. Two equations to solve for m are given as follows:

n² + m² = l².m = square root (l² - n²).

4. The length of the hypotenuse of the triangle is given as follows: 7.9 inches.

5. The lengths are given as follows:

BD = 4.3 cm.BC = 11.5 cm.

What are the trigonometric ratios?

The three trigonometric ratios are given as follows:

Sine of angle = length of opposite side divided by the length of the hypotenuse.Cosine of angle = length of adjacent side divided by the length of the hypotenuse.Tangent of angle = length of opposite side divided by the length of the opposite side.

In the second problem, we have that the side x is opposite to the angle of 52º, while the hypotenuse is of 13, hence the equation to solve for x is given as follows:

sin(52º) = x/13.

In item 3, the Pythagorean Theorem is used to solve for m, as follows:

n² + m² = l².

m² = l² - n²

m = square root (l² - n²).

In item 4, we have that the angle opposite to the leg of length 7 inches is of 62º, hence the hypotenuse is given as follows:

sin(62º) = 7/h

h = 7/sin(62º)

h = 7.9 inches.

The length BD in item 5 is obtained as follows:

cos(30º) = BD/5

BD = 5 x cos (30º)

BD = 4.3 cm.

Then the length BC is calculated as follows:

sin(22º) = 4.3/BC

BC = 4.3/sin(22º)

BC = 11.5 cm.

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1
A red die is tossed and then a green. die is tossed.
What is the probability that the red die shows a
number larger than 4 or the green die shows a
number less than 2?
The two events are not mutually exclusive. So to find the
probability of the union, use:
P(A or B) = P(A) + P(B) - P(A and B)
[?]
P(A or B)
=
8
P(B)
Green die
What is the probability of the red die rolling a
P(A)
Red die
+
-
8)
P(B)
P(A)
Red die Green die
number greater than 4?
Enter your answer in simplest form.
Enter

Answers

On solving the provided question, we can say that the probability of the red die rolling is 16.67% probability = 0.1667

What is probability?

A branch of mathematics called probability theory determines the chance that an event will occur or that a statement is true. A probability is a number between 0 and 1, where 1 denotes certainty and about 0 denotes how probable an event is to occur. The possibility or likelihood that a specific event will occur is expressed numerically as a probability. Probabilities can also be expressed as percentages from 0% to 100% or as numbers between 0 and 1. the proportion of occurrences among all equally likely alternatives that lead to a certain event relative to all possible outcomes.

red die, there are 3 numbers greater than 3 out of 6 numbers

Probability (A) = 3/6 = 1/2.

green die, there are 2 numbers less than 3 out of 6 numbers

Probability (B) = 2/6 = 1/3.

events are independent

P(A and B) = \(P(A)P(B) = 1/2 X 1/3 = 1/6 = 0.1667\)\(P(A)P(B) = 1/2 X 1/3 = 1/6 = 0.1667.\)

16.67% probability = 0.1667

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Find the greatest common factor of 27ab3 and 90a²b.​

Answers

Answer: 9ab

Step-by-step explanation:

\(\mathrm{Find\:Greatest\:Common\:Factor\:of\:}27ab^3 \ \text{and} \ 90a^2b\)

\(\mathrm{Factor\:}27ab^3\)

\(3\cdot \:3\cdot \:3\cdot \:a\cdot \:b\cdot \:b\cdot \:b\)

\(\mathrm{Factor\:}90a^2b\)

\(2\cdot \:3\cdot \:3\cdot \:5\cdot \:a\cdot \:a\cdot \:b\)

\(\mathrm{Common\:factors:}\)

\(3\cdot \:3\cdot \:a\cdot \:b\)

\(\mathrm{Simplify}\)

\(9ab\)

PLease help, this is due tomorrow by 1 pm.

PLease help, this is due tomorrow by 1 pm.

Answers

Note that the parameters of the graph a and graph b are given below.

What are the parameters of graph A and B?

Graph A - y=2(x-1)²

Vertex: The vertex of the function is (1, 0).Axis of symmetry: The axis of symmetry is the vertical line passing through the vertex, which is x = 1.Y-intercept: The y-intercept is (0, -2).Minimum or maximum: The coefficient of the squared term is negative, indicating that the parabola opens downwards and has a maximum value.Roots: Since the coefficient of the squared term is negative, the function does not have any real roots.Minimum or maximum value: The maximum value of the function is 0.Range: The range of the function is (-∞, 0].Domain: The domain of the function is (-∞, ∞).Stretch/shrink standard: The function is vertically stretched by a factor of 2 compared to the standard form of a quadratic function y = ax².

See graph attached.

Graph B - y = 1/2x² + 3

Vertex: The vertex of the function is (0, 3).

Axis of symmetry: The axis of symmetry is the vertical line passing through the vertex, which is x = 0.

Y-intercept: The y-intercept is the point where the graph intersects the y-axis. It is (0, 3).

Minimum or maximum: The coefficient of x² is positive, which means the parabola opens upwards, and therefore the function has a minimum value. The minimum value is 3.

Solutions: To find the solutions or roots of the quadratic equation, we need to set y or f(x) equal to zero and solve for x.

0 = 1/2 x² + 3

Subtracting 3 from both sides, we get:

-3 = 1/2 x²

Multiplying both sides by -2, we get:

6 = -x²

Taking the square root of both sides, we get:

x = ±√(-6)

Since the square root of a negative number is not a real number, the function has no real roots.

Minimum or maximum value: The minimum value of the function is 3.

Range: The range of the function is y ≥ 3, because the function has a minimum value of 3.

Domain: The domain of the function is all real numbers, because there are no restrictions on the values of x for which the function is defined.

Stretch/Shrink/Standard: The coefficient of x^2 is positive and less than 1, which means that the graph of the function is narrower than the graph of y = x². This is an example of a standard quadratic function that has been vertically compressed by a factor of 1/2.

See graph attached.


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PLease help, this is due tomorrow by 1 pm.
PLease help, this is due tomorrow by 1 pm.
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