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3 years ago

9

REPOST** helppp please, can someone please answer and explain this or just answer, i'd prefer an explanation too, I'm don't unde

rstand this...

1 answer:

stiv31 [10]3 years ago

5 0

Answer

45 miles per hour .

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I need help with these questions

lorasvet [3.4K]

4.

4x - 36 = 2*(x+7) => 4x - 36 = 2x + 14 => 4x - 2x = 50 => x = 25 => DG = 4*25 - 36 = 64.

8 0

3 years ago

Extra help please, -7y^2-2y^2+y^3-3y-2y+5y^3-2y

nata0808 [166]

Answer:

6y^3-9y^2-7y

Step-by-step explanation:

y^3-+5t^3 - 7y^2-2y^2 - 3y-2y-2y

5 0

3 years ago

Find the volume of a cone with radius 10 feet and height of 4 feet.

Sveta_85 [38]

Answer:

$\frac{400}{3} \pi$

Step-by-step explanation:

Formula for Cone: π $r^{2}\frac{h}{3}$

Since we have all the components, we can find the volume of the cone.

R = 10

H = 4

π $10^{2}\frac{4}{3}$

10×10 = 100

100π $}\frac{4}{3}$

$}\frac{4}{3}$ ×100

4 100 400

--- × ----- = ------

3 1 3

Answer: $\frac{400}{3} \pi$

Hope this helped.

3 0

3 years ago

Read 2 more answers

What goes in to 37 and 100?

Sindrei [870]

37 is a prime number which means it is only divisible by 1 and 37, therefore the only number that can go into 37 and 100 is 1.

Hope it helps. ☺

5 0

3 years ago

A rectangular piece of paper has a width that is 3 inches less than its length. It is cut in half along a diagonal to create two

yarga [219]

Answer:

A is TRUE (44 in²*2=88 in²)

B is FALSE x(x-3)=88 (the rectangle) or x(x-3)/2=44 (the triangle)

C is TRUE if x(x-3)=88==>x²-3x-88=0

D is TRUE :

x²-3x-88=0

Δ=9+4*88=361=19²

==>x= 11 or x=-8 (excluded for <0)

E is FALSE for 11*4≠88

Step-by-step explanation:

correct me if i am wrong

7 0

3 years ago