1.
4/16
2.
12/18
3.
4/10
4.
16/20

Answers

Answer 1

Answer:

16/20.......................


Related Questions

help me answer this please

help me answer this please

Answers

Answer:

3,952 ft

Step-by-step explanation:

Use the sine function since you need to find the hypotenuse but know the opposite side of the angle, since sine is equal to opposite/hypotenuse.

sin8°=\(\frac{550}{c}\)

csin8°=550

c=550/sin8°

c= 3,952


y = 1/3x -1

x-intercept (3,0)

How did they get this answer? Somebody please help

Answers

The x-intercept of a line is the point where the line crosses the x-axis, which means that the y-coordinate of the point is zero. To find the x-intercept of the line y = (1/3)x - 1, we need to substitute y with zero and solve for x.

Here's how to do it:

Substitute y with zero:
0 = (1/3)x - 1

Add 1 to both sides:
1 = (1/3)x

Multiply both sides by 3:
3 = x

So the x-intercept of the line y = (1/3)x - 1 is (3,0). This means that the line crosses the x-axis at the point (3,0).

In conclusion, the x-intercept of the line y = (1/3)x - 1 is (3,0), which means that the line crosses the x-axis at the point (3,0).

Answer:

Step-by-step explanation:

x-intercept is where the line cuts the x-axis. That is, when y=0.

Substitute y=0 and we get:

       \(0=\frac{1}{3} x-1\)

       \(1=\frac{1}{3} x\)

       \(x=3\)

So x-intercept is the point (3,0).

Determine the range of f(x) = |x + 5|.

{y | −∞ < y < ∞}
{y | −5 < y < ∞}
{y | 0 ≤ y < ∞}
{y | 5 ≤ y < ∞}

Answers

The range for the given function f(x) = | x + 5 | is {y | 0 ≤ y < ∞}

What is a function?

A function defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

The independent variable = domain

The dependent variable = Range

We have a function,

f(x) = | x + 5 |

Let,

f(x) = y

x = -7, y = | -7 + 5 | = | -2 | = 2

x = -5, y = | -5 + 5 | = 0

x = -6, y = | -6 + 5 | = | -1 | = 1

x = -4, y = | -4 + 5 | = 1

x = -3, y = | -3 + 5 | = 2

x = -2, y = | -2 + 5 | = 3

x = -1, y = | -1 + 5 | = 4

x = 0, y = | 0 + 5 | = | 5 | = 5

x = 1, y = | 1 + 5 | = | 6 | = 6

x = 2, y = | 2 + 5 | = | 7 | = 7

x = 3, y = | 3 + 5 | = | 8 | = 8

..

..

..

We see that as x takes any value y increases.

x = domain, and y = range

y = 0, 1, 2, 3, 4, 5, ,,,,,,,∞

Thus the range is {y | 0 ≤ y < ∞}

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Answer:

c

Step-by-step explanation:

a statement with the word per is always a unit rate

Answers

Yes, a statement with the word 'per' is always a unit rate;

When comparing two different kinds of numbers with distinct units, a rate is a ratio that is employed. The unit rate, on the other hand, shows how many units of one quantity are equal to one unit of another. When the rate's denominator is 1, we refer to the rate as a unit rate. In actuality, the amount included in each unit or per unit is referred to as the unit rate. Let's use some instances to help us grasp this:

Unit rate is 20 miles per hour, or 40 miles in two hours.

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I NEED ANSWER ASAP PLEASE WITH WORK PLEASE AND TY!!!!!! In the image the question is 32!! What is the factored form of x2 + 12x - 64?
A (x-4)(x + 16)
B. (x-2)(x + 32)
C. (x + 4)(x - 16)
D. (x-6)(x + 18)

I NEED ANSWER ASAP PLEASE WITH WORK PLEASE AND TY!!!!!! In the image the question is 32!! What is the

Answers

Answer:

A) (x-4)(x+16)

Step-by-step explanation:

\(x^2+12x-64\\=x^2-4x+16x-64\\=x(x-4)+16(x-4)\\=(x+16)(x-4)\)

The next 3 options are:

A: x=1 or x= -3

A: x= -1 or x=3

B: Since the quadratic equation has two real solutions, the graph of the quadratic equation intercepts the x axis at (-1,0) and (3,0)

please please help. Thank you so much.

The next 3 options are: A: x=1 or x= -3A: x= -1 or x=3 B: Since the quadratic equation has two real solutions,

Answers

Answer:

A: x= -1 or x=3

B: Since the quadratic equation has two real solutions, the graph of the quadratic equation intercepts the x axis at (-1,0) and (3,0)

Step-by-step explanation:

x^2 -2x -3 =0

Factor

(x-3 )(x+1) =0

Using the zero product property

x-3 =0   x+1 =0

x=3  x=-1

The zeros are

(3,0) (-1,0)

It intersects the x axis at (3,0) (-1,0)

To test the efficacy of a new cholesterol-lowering medication, 10 people are selected at random. Each has their LDL levels measured (shown below as Before), then take the medicine for 10 weeks, and then has their LDL levels measured again (After).

Subject
1,2,3,4,5,6,7,8,9,10
Before:135, 195,194, 188, 186,182,179,176,128,117
After:111,198,177,201,176,171,149,138,104,77
Give a 99% confidence interval for the difference between LDL levels before and after taking the medication.

Confidence Interval = ?

Answers

To calculate the 99% confidence interval for the difference between LDL levels before and after taking the medication in this experiment, we can use a paired t-test. Here are the steps to calculate the confidence interval:



First, calculate the difference between the Before and After values for each subject.

Calculate the standard error of the difference between the Before and After levels for each subject, using the formula:


SE_diff = sqrt(variance_before^2+variance_after^2)/sqrt(n)


where variance_before and variance_after are the variances of the Before and After measurements, respectively, and n is the sample size (10 in our case).
3. Next, calculate the sample mean and standard deviation of the differences between the Before and After levels for all subjects.
4. Use the sample mean and standard deviation to calculate the t-statistic and degrees of freedom using the paired t-test formula, and then use the t-distribution table to determine the 99% critical value (since we are working with a two-tailed test).
5. Use the critical value and degrees of freedom to find the corresponding confidence interval endpoints, using the following formula:


lower_interval = sample_mean - t_crit * (sample_stdev/sqrt(n))


upper_interval = sample_mean + t_crit * (sample_stdev/sqrt(n))


Here, sample_mean is the sample mean of the differences, and n is the sample size.
6. Finally, use these endpoints to obtain the 99% confidence interval for the difference between LDL levels before and after taking the medication in this experiment.


In R, we can use the t.test() function to calculate the confidence interval for the paired difference in this experiment. Here's an example code:


t.test(Before-After, paired = TRUE, var.equal = FALSE)

Paired t-test
data: Before - After
t = -3.8517, df = 8, p-value = 0.006577
alternative hypothesis: true difference in means is not equal to 0
95 percent confidence interval:
-45.59726 2.99726
sample estimates

Please Help Me!!!! Will Give Points Out (WORTH 20 POINTS)

Please Help Me!!!! Will Give Points Out (WORTH 20 POINTS)

Answers

Answer: CHoose

option c

A magician showed a magic trick where he picked one card from a standard deck. What is the probability that the KING card will be picked?​

Answers

Answer:

\(\frac{1}{13}\)

Step-by-step explanation:

The total number of cards in a standard deck of cards is 52, in which there:

King: 4 cards <----------

Queens: 4 cards

Jack: 4 cards

Ace: 4 cards

Club/Diamond/Heart/Spade: 13 cards

Moreover, 26 of the 52 cards are red, and the remainder 26 are of black.

So the probability that a "king" card will be picked is \(\frac{4}{52}\), which can be further simplified \(\frac{1}{13}\)

For each image, determine if you have enough information to find the missing lengths. If so, find them. If not, explain why. 1. DE is parallel to AC. Find the lengths of DE || AC AC and AD. B 2 D t 5 E 6​

Answers

The length of AC is 12.5 and the length of AD is 3.

What are triangles?

A triangle is a three-sided polygon because it has three edges and three vertices. The most important attribute of a triangle is the sum of its internal angles to 180 degrees

Given triangle ABC,

and D is a point on AB and E is a point on AC,

and forms a triangle ADE,

and  DE is parallel to AC,

taking ΔABC and ΔBDE

∠B = ∠B  (common angle)

because DE is parallel to AC, so corresponding angles are equal,

so ∠A = ∠D

and ∠C = ∠E

ΔABC ≈ ΔBDE (triangles are similar)

since both triangles are similar the ratio of their corresponding sides is equal,

AB/BD = AC/DE = BC/BE

given BD = 2, BE = 4, DE = 5 and EC = 6

BC = EC + BE = 4 + 6

BC = 10

AC/DE = BC/BE

AC = 5(10/4)

AC = 12.5

and AB/BD = BC/BE

AB = 2(10/4)

AB = 5

AD = AB - BD

AD = 5 - 2

AD = 3

Hence AC = 12.5 and AD = 3.

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The figure is in image.

 For each image, determine if you have enough information to find the missing lengths. If so, find them.

A triangle with an area of 370 square inches
has a height that is 6 less than 8 times its
base. Find the base and height, in inches, of
the triangle.

Base=
Height=

Answers

Answer:

Step-by-step explanation:

Area of triangle = 1/2 (base × height)

Given, area of a triangle is 192 sq ins. and its height is 8 ins less than its base.

Then, let base = b, height = b-8

Hence, 1/2 (b)*(b-8) = 192

Above equation; “times 2”,

(b)*(b-8) = 384

b^2 - 8b - 384 = 0

(b+16)(b-24)=0

A city is putting in a sand pit at the park. The length is an even, one-digit whole number, and
the width is 6.7 feet. Which explains the least and greatest possible areas for the sand pit?

Answers

Answer:

Step-by-step explanation:

Answer:

Listen the number is an EVEN one-digit, so that means all odd numbers that are one-digit numbers are out so that means number A is wrong so its between B, C, and D. If you read the answer throughully through B, C, and D you will find one of the 2 x 6.7 is wrong. To find the correct answer to 2 x 6 and if the sum of 2 x 6 is equal to your 2 x 6 you have the correct answer! Btw I forgot the exact answer but I know it was either B or C.      

Step-by-step explanation:

A store paid $240.00 for a dining table.The manager of the store marks up the table by 125%.what is the new price of the dining table?

Answers

Answer:

$300

Step-by-step explanation:

$240 × 125% is $300

We can use the method of calculating the percentage of an amount to find out the discount amount. The new price of the dining table will be $300.

How to calculate unit price of something?

Unit means 'single entity', the fundamental constructing block. Usually, it is 1 in mathematics and science.

Thus, unit price of something is price of 1 thing.

Therefore, suppose we're taking about price of mangoes, then unit price will denote the price of 1 mango.

We have been given that A store paid $240.00 for a dining table and The manager of the store marks up the table by 125%.

Therefore,  125% of $240

$240 × 125%

$240 × 1.25

= $300

Hence, the new price of the dining table will be $300.

We can use the method of calculating the percentage of an amount to find out the discount amount.

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Y=AB-8. Trying to learn how to solve for A.

Answers

Answer:

\(A=\frac{Y+8}{B}\)

Step-by-step explanation:

So we have:

\(Y=AB-8\\\)

First, add 8 to both sides. The right will cancel:

\(Y+8=AB\)

Now, notice that A is multiplied to B. So, the isolate A, divide both sides by B. The right will cancel:

\(A=\frac{Y+8}{B}\)

And we're done!

Find g(x), where g(x) is the translation 14 units down of f(x)=2x+9.

Answers

The function, g (x) as described which is the translation 14 units down of f (x) = 2x + 9 is; g (x) = 2x - 5.

Which function is the representation of function g (x) as described?

It follows from the task content that the function which is a representation of the function; g(x) is to be determined.

Since the function g (x) is a translation 14 units down.

It follows that; g (x) = f (x) - 14.

Therefore, by the substitution property of equality; since f (x) = 2x + 9; we have that;

g (x) = 2x + 9 - 14

g (x) = 2x - 5

Ultimately, the function g (x) as required is; g (x) = 2x - 5.

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Which object is about 15 centimeters long? Responses pencil, desk, paper, clip or television

Answers

The object that is about 15 cm is pencil.

What is Measurement?

The fundamental idea in the study of science and mathematics is measurement. The qualities of an object or event can be quantified so that we can compare them to those of other objects or occurrences. When discussing the division of a quantity, measurement is the word that is used the most frequently.

Given:

Measurement = 15 cm

As, the average length for the pencil varies from 7 cm - 17 cm.

and, average length for the desk is 120 cm.

and, the average length for the paper is 30.3 x 40.6cm.

and, the average length for the clip is 4 cm.

and, the average length for the television is 40 cm.

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z varies jointly with w, x, and y. z=24 when w=2, x=3, and y=8.

Answers

Answer:29739

Step-by-step explanation:

neosbs elenelend sidn

if z varies jointly with w, x, and y. z=24 when w=2, x=3, and y=8 then z=1/2wxy

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

Given,

z varies jointly with w, x, and y

z=kwxy

Where k is constant.

k=z/wxy

Now plug in values of z=24, w=2, x=3, and y=8.

k=24/2.3.8

k=24/48

k=1/2

So z=1/2wxy

Hence, if z varies jointly with w, x, and y. z=24 when w=2, x=3, and y=8 then z=1/2wxy

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But BLM tho right?24.114.88.15​

But BLM tho right?24.114.88.15

Answers

The answer is C because as you can see the arrow is pointing the same direction as the symbol meaning it’s close and then it’s simple from there.

Name the marked angle in 2 different ways

Name the marked angle in 2 different ways

Answers

Answer:

Obtuse angle

Step-by-step explanation:

Answer:

Its an obtuse angle pliz mark brainliest

Can someone help me with this math problem asap

Can someone help me with this math problem asap

Answers

The absolute value function for this problem is given as follows:

y = |x - 4| - 6.

How to define the absolute value function?

An absolute value function of vertex (h,k) is defined as follows:

y = a|x - h| + k.

The coordinates of the vertex of the function are given as follows:

(4, -6).

The slope of 1 determines the leading coefficient a as follows:

a = 1.

Hence the function is given as follows:

y = |x - 4| - 6.

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The photo is kinda blurry but please help me with it

The photo is kinda blurry but please help me with it

Answers

The perimeter of rectangle M'N'O'P' is given as follows:

54 cm.

What is a dilation?

A dilation can be defined as a transformation that multiplies the distance between every point in an object and a fixed point, called the center of dilation, by a constant factor called the scale factor.

The ratio between the areas is given as follows:

126/14 = 9.

The area is measure in square units, while the perimeter is measured in units, hence the ratio of the perimeters is the square root of the ratio of the areas, that is:

3.

Hence the perimeter of rectangle M'N'O'P' is given as follows:

3 x 18 = 54 cm.

Missing Information

The complete problem is:

Rectangle MNOP has a perimeter of 18 cm and an area of 14 cm2. After rectangle MNOP is dilated, rectangle M'N'O'P' has an area of 126 cm2. What is the perimeter of rectangle M'N'O'P'?

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What is the value of x?

What is the value of x?

Answers

Answer:

x = 2

Step-By-Step Explanation:

It is really easy to see that the angle on the left side is almost equal to 90° (Right Angle) but is a bit less.

35 × 1 + 3 = 38 F It is too less than 90°

35 × 2 + 3 = 73 T It is closer and less than 90°

35 × 3 + 3 = 108 F It is close but more than 90°

35 × 4 + 3 = 143 F It is too much more than 90°

So,

x = 2

Double Checking

(180° - (35° × 2 + 3)) + (2 + 39°) + (3 + 30°)

= (180° - 73°) + 41° + 32°

= 107° + 41° + 32°

= 180°

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Un rectángulo tiene un perímetro de 64 pulgadas y una longitud de22 pulgadas . ¿Qué ecuación puedes resolver para encontrar el ancho?

Answers

Answer:

[(P - (2 x l)] / 2

Step-by-step explanation:

[Perimeter - ( 2 x length) ] / 2

(64 - 2x22)/2 = 10 pulgadas de ancho

Find the probability that a student earns a grade of A,B, or C
P=

Find the probability that a student earns a grade of A,B, or CP=

Answers

Answer:

Step-by-step explanation:

Find the probability that a student earns a grade of A,B, or CP=

Answer: 0.86

Step-by-step explanation:

Find the missing angle

Find the missing angle

Answers

Answer:

none

Step-by-step explanation:

None, 106 is from the numbers being added and it is a right angle

Write the ratio: 0.28 to 0.84 as a fraction in lowest terms.

Answers

0.28 = 7/25
0.84 = 21/25

Hope this is the answer you were looking for.

Of the 32 students in Joe's class, 8 students ride their bikes to school, 5 walk to school, 4 get a ride to school in a car, and 15 take the bus to school. What is the experimental probability of choosing a student who walks to school?

Answers

The experimental probability of choosing a student who walks to school is given by 0.15625 or 15.625%.

Given data ,

The experimental probability of choosing a student who walks to school can be calculated by dividing the number of students who walk to school by the total number of students in Joe's class.

Number of students who walk to school = 5

Total number of students in the class = 32

Experimental probability = Number of students who walk to school / Total number of students

= 5 / 32

P = 0.15625

Hence , the experimental probability of choosing a student who walks is 0.15625 or 15.625%.

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HELP!!!!!!!! Which system of linear equations can be solved using the information below?

HELP!!!!!!!! Which system of linear equations can be solved using the information below?

Answers

The system of linear equations that can be solved from the matrices is given as follows:

-5x + 4y = 3.-8x + y = -6.

How to obtain the system of equations?

Considering that the row [3, -6] is common to matrices Ax and Ay, the matrix A is given as follows:

A = [-5 4; -8 1]

Hence the multiplication of matrices representing the system is given as follows:

[-5 4; -8 1][x; y] = [3; -6]

Applying the multiplication of matrices, the system of equations is given as follows:

-5x + 4y = 3.-8x + y = -6.

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Which of the following numbers sets does not include \large -\sqrt{25} ?

a
Integers

b
Whole Numbers

c
Real Numbers

d
Rational Numbers

Answers

Answer:

Step-by-step explanation:

The answer is B

The whole numbers are the + integer set. Since -sqrt(25) = - 5, this number is not included in the whole number set.

Consider the statements below. Which are not propositions? Mark all that apply.
(a) A delicious chocolate cake.
(b) College students should get more sleep.
(c) 3 + 5 = 8
(d) 5+ 3 = 53
(e) In Idaho, there are 15 temples for the Church of Jesus Christ of Latter-day Saints.
(f) No way!
(g) The great and spacious building.
(h) Will you be my Valentine?

Answers

The statements that are listed above that are not propositions include the following:

College students should get more sleep and Will you be my Valentine?. That is option B and H.

What is a proposition statement?

A proposition statement is defined as the statement that is either a true statement or false statement but can not be both.

From the given statements,the statement that is a true proposition include the following:

A delicious chocolate cake.3 + 5 = 8In Idaho, there are 15 temples for the Church of Jesus Christ of Latter-day Saints.No way!The great and spacious building.

The statement that is a false proposition include the following:

5+ 3 = 53

The statement will you be my valentine? is not a proposition but a declarative question that needs to be answered.

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