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Ira Lisetskai [31]

3 years ago

6

In the parrallelogram, find y.

1 answer:

Nutka1998 [239]3 years ago

4 0

Answer: I think it’s b which is also 5

Step-by-step explanation:

In the link

if I did it wrong someone pls correct me

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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 $8\ m$

4 0

3 years ago

Please help me I really need it this is hard for me

kramer

Answer:

27.6 cm

Step-by-step explanation:

6 0

3 years ago

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Mr Ruiz drove 305 miles in 5 hours on Saturday and 190 miles in 4 hours on Sunday what is his average speed in miles per hour fo

Snezhnost [94]

Add the mileage together to find total miles.

Add the hours together.

Divide total miles by total hours.

305 + 190 = 495 miles

5 + 4 = 9 hours.

495 / 9 = 55 miles per hour.

The average speed was 55 miles per hour.

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3 years ago

Which graph shows a linear function.<br> A) <br> B) <br> C) <br> D)

Hitman42 [59]

The First one (A) because it’s a straight line

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3 years ago

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If <br> −6x+9y=−4 is a true equation, what would be the value of <br> 9y−6x?

Arisa [49]

Answer:

It will be 30

Step-by-step explanation:

Also Have a good day I love you so much Make sure to drink plenty of fluids ♡ ♡

7 0

3 years ago