3 years ago

Please hellllp!!! pleaseeeeee

1 answer:

3 0

The answer is D because if the perimeter of wxyz can be found by multiplying 2 with the perimeter of hjkl, then the area would be area of hjkl times 2

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The sum of the areas of two circles is 80 pie square meters. Find the length of a radius of each circle if one of them is twice

Svetach [21]

Answer:

The radius of the circles are $4\ m$ and $8\ m$

Step-by-step explanation:

Let

x-----> the radius of larger circle

y----> the radius of smaller circle

we know that

$\pi x^{2} +\pi y^{2}=80\pi$

$x^{2} +y^{2}=80$ -----> equation A

Remember that

$x=2y$ -----> equation B

substitute equation B in equation A and solve for y

$(2y)^{2} +y^{2}=80$

$4y^{2} +y^{2}=80$

$5y^{2}=80$

$y^{2}=16$

$y=4\ m$

Find the value of x

$x=2y$

$x=2(4)=8\ m$

therefore

The radius of the circles are $4\ m$ and $8\ m$

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3 years ago

Explain the steps needed to determine the value of the expression

olga2289 [7]

Answer:

Step-by-step explanation:

=-5/6-7/6+2

=-12/6+2

=-2+2=0

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3 years ago

Point T is on line segment SU. Given SU = 17 and TU<br> length ST<br> 14, determine the

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Answer:17

Step-by-step explanation:

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3 years ago

The function f(x) = 1.50x – 30 gives the amount of money Amelia has to spend each week for x school lunches, after taking money

Naya [18.7K]

To find the inverse, switch the x and y, and then solve for y (f(x) is the same as y)

So we get:
x=1.50y-30 (add 30 to both sides)
x+30=1.50y (divide both sides by 1.5)
x/1.5+30/1.5=y
y=x/1.5+20

Hope this helps

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A pancake recipe calls for one egg for every 4 cups of flour. How many cups of

Marat540 [252]

Answer

Step-by-step explanation:

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2 years ago

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