3 years ago

Please anyone help me

Mathematics

1 answer:

Ksju [112]3 years ago

3 0

Answer:

-52

Step-by-step explanation:

plug 2 into u(x) which is equal to

2(5) + 1= 5

plug 5 into w(x) which is equal to

-2(5^2) - 2

-2(25) - 2

-50 - 2 = -52

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Problem page the length of a rectangle is four times its width. if the perimeter of the rectangle is 70 cm , find its area.

agasfer [191]

So we can call the width of the rectangle x.
So then the length would be 4x.
The perimeter would then be 10x.
Since the perimeter is 70, we can say 70 = 10x.
And then simplify that to 7 = x.
So the length of a rectangle would be 28 cm, and the width would be 7.
So to find the area, just multiply length by width.
28*7 = 196 square cm
So the rectangle's area is 196 square cm.

I hope I helped!

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4 years ago

Can I PLEASE get some help?

Leviafan [203]

Well 1/40 is 0.025 so that should be the write fraction to use

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3 years ago

Read 2 more answers

HELP I NEED TO GET MY HOMEWORK DONE ASAP PLEASE

sertanlavr [38]

R=0.8 might be wrong tho

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