y= -1/2x-3 . Pease answer quickly, thank you <3

Answer:

11 feet

Step-by-step explanation:

1yard =3 feet

12 yards = 36 feet  

36 - 22 = 11 feet

By understanding the proportions of each section with respect to the entire hexagon we have:  

The first row represents the proportion of each section with respect to the entire hexagon, which is shown below:

{1, 1/2, 1/3, 1/6}

The elements of the second row are obtained by mutiplying all the elements of the first row by 6:

{6, 3, 2, 1}

The elements of the third row are calculated by multiplying all the elements of the first row by 3:

{3, 3/2, 1, 1/2}

And the elements of the fourth row are determined by multiplying all the elements of the first row by 2:

{2, 1, 2/3, 1/3}

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x=4

Step-by-step explanation:

Distrubutive property: 5x-50=30-15x

get x on one side: 5x-50+15x=30

combine like terms: 20x-50=30

subtract on both sides: 20x=30+50

20x=80

simplify: 20/20=80/20

x=4

Step-by-step explanation:

From given graph

f(-3)= (-3)

f(1)=1

Answer:

f(-3) = -3

f(1) = 1

Step-by-step explanation:

f(x) means the "function of x".

Therefore, the number in the bracket after the letter f is the value of x.

f(-3) means find the value of the function (y-value) when x = -3

f(1) means find the value of the function (y-value) when x = 1

To find f(-3), find x = -3 on the x-axis.  

Now trace vertically until you meet the line. Read the value of y at this point.

⇒ f(-3) = -3

To find f(1), find x = 1 on the x-axis.  

Now trace vertically until you meet the line. Read the value of y at this point.

⇒ f(1) = 1

Answer:

27

Step-by-step explanation:

Width = w

length = l

w=1/3 * l

or, l=3w

perimeter=2l+2w=24

2(l+w)=24

2(3w+w)=24

2*4w=24

8w=24

w=3

l=9

Area=3*9=27

Answer:

the brain performs at its optimum level

Step-by-step explanation:

answer on edg 2020

The brain performs at its optimum level. Option B is correct.

Given that,
Complete the statement by choosing the appropriate option.

A healthy and balanced diet is what nutrition is all about. Food and drink supply the energy and nutrients required for good health. Understanding this nutrition terminology may help you make smarter meal choices.

Here,
The most crucial reason to have a nutritious meal the morning of a test is to guarantee that the brain operates at peak performance. So, the correct statment among the option is "the brain performs at its optimum level.."

Thus, the most important reason to have a nutritious breakfast on the morning of a test is to ensure that the brain performs at its optimum level.

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SOLUTION:

Case: Initial value problem

An initial value problem is an ordinary differential equation together with an initial condition that specifies the value of the unknown function at a given point in the domain

To solve the initial value problem, we have a value of the derivative of y when x is known.

y'(x)= value

Given:

f(4)=2

The resulting equation will be:

Final answer:

Answer:

$113.1

Step-by-step explanation:

which is just 6.5% of 580 times 3

Area of a square: side length ^2

Side lenght = 3 inches

Replacing:

A = 3 ^2 = 9 in2

Answer= 9 squared inches

The volume of a solid figure with a height of 2 and a square cross-sectional area where the length of the side of a cross-section is x is 2x^2.

To calculate the volume of the solid figure with a height of 2 and a square cross-sectional area, we need to know the length of the side of the cross-section. Let's assume that the length of the side is x.
The cross-sectional area of the figure is the area of the square, which is x^2. The volume of the figure is the product of the cross-sectional area and the height, which is 2x^2.
Therefore, the volume of the solid figure is 2x^2.
It's important to note that the volume of a solid figure is directly proportional to its cross-sectional area. This means that if we increase the cross-sectional area by a factor of 2, the volume will also increase by a factor of 2. This relationship is because the cross-sectional area determines how much material there is to fill up the space. The larger the cross-sectional area, the more material is needed to fill up the same height, resulting in a larger volume.
In conclusion, the volume of a solid figure with a height of 2 and a square cross-sectional area where the length of the side of a cross-section is x is 2x^2.

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The values of the missing sides are;

a.  x = 35. 6 degrees

b. x = 15

c. x = 22. 7 ft

d. x = 31. 7 degrees

To determine the values, we have;

a. Using the tangent identity;

tan x = 5/7

Divide the values

tan x = 0. 7143

x = 35. 6 degrees

b. Using the Pythagorean theorem

x² = 9² + 12²

find the square

x² = 225

x = 15

c. Using the sine identity

sin 29= 11/x

cross multiply the values

x = 11/0. 4848

x = 22. 7 ft

d. sin x = 3.1/5.9

sin x = 0. 5254

x = 31. 7 degrees

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Answer:

The equation in the slope-intercept form will be:

y  = 1/4x - 7

Step-by-step explanation:

Given the points

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

\(\left(x_1,\:y_1\right)=\left(-4,\:-8\right),\:\left(x_2,\:y_2\right)=\left(-8,\:-9\right)\)

\(m=\frac{-9-\left(-8\right)}{-8-\left(-4\right)}\)

\(m=\frac{1}{4}\)

We know that the slope-intercept of line equation is

\(y=mx+b\)

where m is the slope and b is the y-intercept

substituting m = 1/4 and the point (-4, -8) to find the y-intercept 'b'

y = mx+b

-8 = 1/4(-4)+b

-8 = -1 + b

b = -8+1

b = -7

so the y-intercept = b = -7

substituting m = 1/4 and b = -7 in the slope-intercept form of line equation

y = mx+b

y  = 1/4x + (-7)

y  = 1/4x - 7

Thus, the the equation in slope-intercept form will be:

y  = 1/4x - 7

The given function y = 3.28x converts length from x meters to y feet.

To graph the function, we can plot a few points and connect them.

Here are some points that we can plot:

x (meters) y (feet)0 03.28 10.7613.12 42.9456.56 214.5489.14 299.8720 65.6160 524.9340.3048 1

Since y depends on x, x is the independent variable, and y is the dependent variable.

We can see that as the value of x increases, so does the value of y, which means that the graph slopes upward

The domain of a function is the set of all values that the independent variable can take on. Since we can have any positive value of x (in meters), the domain of this function is continuous.

In conclusion, the given function y = 3.28x converts length from x meters to y feet. x is the independent variable, and y is the dependent variable. The graph of the function slopes upward, indicating that as x increases, y also increases. The domain of the function is continuous because x can take on any positive value.

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Answer

a^1=-2,5

a^n=a×a^n-1

Answer:

If they were both charged today, it would be on the sixth day that they were actually charging at the same time

The sum of this infinite geometric series is -25/9.

A geometric sequence is a special type of sequence where the ratio of every two successive terms is a constant. This ratio is known as a common ratio of the geometric sequence.

The given geometric series is -5+4-16/5+64/25-256/125

The general formula for finding the sum of an infinite geometric series is S= a/1-r, where s is the sum, a is the first term of the series, and r is the common ratio.

Here, a=-5 and r= -4/5

Now, S = -5/(1+4/5)

= -5/(9/5)

= -25/9

Therefore, the sum of the series is -25/9.

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Step-by-step explanation:

Solition:

Let the line passes through the point (-4,-8) be (x1,y1) i.e. x1= -4 and y1 = -8 .

Slope(m) = 5/2

The required equation of the line passing through the point (-4,-8) is

y-y1 =m(x-x1)

or, y-(-8) = 5/2 (x-(-4))

or, y+8 = 5/2 (x+4)

or, 2(y+8) = 5(x+4)

or, 2y+16 = 5x +20

or, 16-20= 5x-2y

Therefore, 5x-2y = -4 .

x > 1200 and x < 1600; Patrice needs to consume more than 1200 calories, but less than 1600 calories.

The 1st option is the answer

Given that: Patrice is trying a low-calorie diet. She would like to keep her calories consumed between the levels shown in the following compound inequality: 2450 < 2x + 50 and 2x + 50 < 3250.

Solve the two inequalities separately:

2450 < 2x + 50

2450 - 50 < 2x

2400 < 2x

1200 < x

x > 1200

2x + 50 < 3250

2x < 3250 - 50

2x < 3200

x < 1600

Therefore, Patrice needs to consume more than 1200 calories (i.e. x > 1200), but less than 1600 calories  (i.e. x < 1600).

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The final result of the subtraction is: -4 ÷ (1 - 5\(x^{2}\))

What is Algebraic expression ?

A cοmbinatiοn οf variables and cοnstants is an algebraic expressiοn.

To subtract the expression:

(-10 ÷ (2 - 10\(x^{2}\))) - (-2 ÷ (2 - 10\(x^{2}\))))

we need to first simplify the denominator by factoring out a common factor of 2:

2 - 10\(x^{2}\)= 2(1 - 5\(x^{2}\))

Now we can write the expression as:

(-10 ÷ [2(1 - 5\(x^{2}\))]) - (-2 ÷ [2(1 - 5\(x^{2}\))])

which simplifies to:

(-5 ÷ [1 - 5\(x^{2}\)]) - (-1 ÷ [1 - 5\(x^{2}\)])

Using the fact that subtracting a negative is the same as adding a positive, we can rewrite this as:

(-5 + 1) ÷ [1 - 5\(x^{2}\)]

which equals:

-4 ÷ [1 - 5\(x^{2}\)]

Therefore, the final result of the subtraction is: -4 ÷(1 - 5\(x^{2}\))

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Complete Answer:

Subtract the expression \($(-10\div(2-10x^{2}))-(-2\div(2-10x^{2}))$\)

By the concepts of trigonometric ratios, the value of x in the right angle triangle is 1.

We know a right-angled triangle has three sides they are -: Hypotenuse,

Opposite and Adjacent.

We can remember SOH CAH TOA which is,

sin = opposite/hypotenuse, cos = adjecen/hypotenuse and

tan = opposite/adjacent.

If we take the reference angle of 60°, Then the hypotenuse is x and the adjacent is 2.

We know, cos = adjacent/hypotenuse.

Therefore,

cos60° = 2/x.

x = 2cos60°.

x = 2×1/2.

x = 1.

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Answer:

-1 i think

Step-by-step explanation:

Answer:

A \(1.3 - 5.6 = - 4.3\)

Step-by-step explanation:

\(1.3 - 5.6 = - 4.3\)

Hope this helps! Pwease mark me brainliest! Have a great day!

−xXheyoXx

Answer:

just answering so you can give the other person brainliest :D

Step-by-step explanation:

The area of the region is 25/3 square units.

Any point on a parabola is at an equal distance from both the focus, a fixed point, and the directrix, a fixed straight line. A parabola is a U-shaped plane curve.

First, let's find the equation of the tangent line to the parabola at the point (5,100). The derivative of y = 4x² is y' = 8x, so the slope of the tangent line at x = 5 is y'(5) = 8(5) = 40. Thus, the equation of the tangent line is y - 100 = 40(x - 5), or y = 40x - 100.

To find the points of intersection of the parabola and the tangent line with the x-axis, we need to solve the equations y = 4x² and y = 40x - 100 for y = 0:

4x² = 0 => x = 0

40x - 100 = 0 => x = 2.5

So the region we want to find the area of is bounded by the x-axis and the curves y = 4x² and y = 40x - 100, with x ranging from 0 to 2.5.

To find the area, we need to integrate the difference between the two functions with respect to x:

A = ∫[0, 2.5] (40x - 100 - 4x²) dx

A = [20x² - 4/3 x³]0 to 2.5

A = 20(2.5)² - 4/3 (2.5)³ - 0

A = 25/3

Therefore, the area of the region is 25/3 square units.

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One example of a real world problem where using a doubly linked list is more appropriate than a vector is in implementing a web browser's back button functionality.

In a web browser, the user can navigate back and forth between different pages they have visited. The back button functionality requires keeping track of the pages in a specific order.

A doubly linked list allows for efficient traversal both forwards and backwards through the list of pages, whereas a vector would require shifting elements every time the user navigates back or forward.

Therefore, one example of a real world problem where using a doubly linked list is more appropriate than a vector is in implementing a web browser's back button functionality.

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1. Confidence interval =  172.16  - 187.84

2. Confidence interval = 0. 876 - 0.924

The formula for determining confidence interval is expressed as;

1. Confidence Interval = sample mean ± (Z × (population standard deviation / √sample size))

Substitute the values, we have;

Confidence Interval = 180 ± (1.96 × (48 / √144))

Find the square root and divide the values, we have;

Confidence Interval = 180 ± (1.96 × 4)

Then, we get;

Lower = 180 - (7.84) = 172.16

Upper bound = 180 + (7.84) = 187.84

2. Confidence interval = 0.9 ± 1.96 × √((0.9(1-0.9))/400)

Confidence interval = 0.9 ± 1.96 × √((0.09)/400)

Divide the values and find the square root

Confidence interval = (0.9 - 0.024) - ( 0.9 + 0. 024)

Confidence interval = 0. 876 - 0.924

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The 1's and 2 's complements of the following binary numbers:

11101010 (original)

00010101 (1's complement)

00010110 (2's complement)

a) For 1's complement, we simply flip all the bits:

11101010 (original)

00010101 (1's complement)

For 2's complement, we first find the 1's complement and then add 1:

11101010 (original)

00010101 (1's complement)

00010110 (2's complement)

b) For 1's complement, we simply flip all the bits:

01111110 (original)

10000001 (1's complement)

For 2's complement, we first find the 1's complement and then add 1:

01111110 (original)

10000001 (1's complement)

10000010 (2's complement)

c) For 1's complement, we simply flip all the bits:

00000001 (original)

11111110 (1's complement)

For 2's complement, we first find the 1's complement and then add 1:

00000001 (original)

11111110 (1's complement)

11111111 (2's complement)

d) For 1's complement, we simply flip all the bits:

10000000 (original)

01111111 (1's complement)

For 2's complement, we first find the 1's complement and then add 1:

10000000 (original)

01111111 (1's complement)

10000000 (2's complement)

e) For both 1's complement and 2's complement, we simply have the original number because the number is already 0:

00000000 (original)

00000000 (1's complement)

00000000 (2's complement)

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The postfix expression of "7+5-3*2(6*7)/4" is "7 5 + 3 2 * 6 7 * 2 * - 4 /". Evaluating the postfix expression gives the result of the expression. The prefix expression for the given infix expression is "/ - + 7 5 * 3 * 2 ( * 6 7 ) 4".

To convert the infix expression "7+5-3*2(6*7)/4" into postfix expression, we follow the rules of operator precedence and associativity. The postfix expression is obtained by placing operators after their operands.

The postfix expression for the given infix expression is:

"7 5 + 3 2 * 6 7 * 2 * - 4 /"

To evaluate the postfix expression, we use a stack data structure. We scan the postfix expression from left to right and perform the corresponding operations.

Starting with an empty stack, we encounter the operands "7" and "5". We push them onto the stack. Then we encounter the operator "+", so we pop the last two operands from the stack (5 and 7), perform the addition operation (7 + 5 = 12), and push the result back onto the stack.

We continue this process for the remaining operators and operands in the postfix expression. Finally, after evaluating the entire expression, the result left on the stack is the final answer.

To convert the infix expression into prefix expression, we follow similar rules but scan the expression from right to left. The prefix expression is obtained by placing operators before their operands.

The prefix expression for the given infix expression is:

"/ - + 7 5 * 3 * 2 ( * 6 7 ) 4"

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Answer:

3628800 ways if the women are always required to stand together.

To solve this problem, we can consider the number of ways to arrange the women and men separately, and then multiply the results together.

First, let's consider the arrangement of the women. Since no two men can be seated next to each other, the women must be seated in between the men. We can think of the 5 men as creating 6 "gaps" where the women can be seated (one gap before the first man, one between each pair of men, and one after the last man).

Out of these 6 gaps, we need to choose 7 gaps for the 7 women to sit in. This can be done in "6 choose 7" ways, which is equal to the binomial coefficient C(6, 7) = 6!/[(7!(6-7)!)] = 6.

Next, let's consider the arrangement of the 5 men. Once the women are seated in the chosen gaps, the men can be placed in the remaining gaps. Since there are 5 men, this can be done in "5 factorial" (5!) ways.

Therefore, the total number of ways to seat the 5 men and 7 women is 6 * 5! = 6 * 120 = 720.

There are 720 ways to seat the 5 men and 7 women in a row such that no two men are next to each other.

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Answer:

srat

Step-by-step explanation:hehe i really dont know

\(~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$300\\ r=rate\to 6\%\to \frac{6}{100}\dotfill &0.06\\ t=years\dotfill &1 \end{cases} \\\\\\ A = 300[1+(0.06)(1)]\implies A=300(1.06) \implies A = 318\)