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3 years ago

10

Please help me thank you and number them

1 answer:

Ipatiy [6.2K]3 years ago

7 0

The answer would b be d 8 I think

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A giraffe can travel 800 feet in 20 seconds. Write a direct variation equation for the distance traveled any time | Please expla

Diano4ka-milaya [45]

The direct variation equation is:
d=kt
where d is the distance that the giraffe travels
k is the constant of variation
and t is time
Now we are told that the giraffe can travel 800 ft in 20 seconds, so we can solve for the constant of variation (k)
800=k(20) divide both sides by 20
k=40-------------and the units are ft per sec
So now we can write
d=40t
ck
d=40t
800ft=40*20 ft
800 ft= 800 ft

Hope this helps!

8 0

3 years ago

Bradley has 64 1-inch cubic blocks.He uses all the blocks to build a rectangular prism that is 2 inches high and 2 inches wide.H

Lynna [10]

Answer:

The length of the rectangular prism is $16\ in$

Step-by-step explanation:

step 1

Find the volume of the 64 1-inch cubic blocks

The volume of one cubic block is

$V=(1)^{3}=1\ in^{3}$

so

the volume of 64 cubic blocks is

$V=64(1)=64\ in^{3}$

step 2

Find the length of the rectangular prism

The volume of the rectangular prism is equal to

$V=LWH$

we have

$V=64\ in^{3}$

$W=2\ in$

$H=2\ in$

substitute and solve for L

$64=L(2)(2)$

$64=4L$

$L=64/4=16\ in$

5 0

3 years ago

Find the midpoint of the segment with the given endpoints. <br> (9,9) and (-1,-3)

katrin [286]

Answer is (4,3)

=============================

Add up the x coordinates to get 9+(-1) = 8. Divide this over two and we end up with 8/2 = 4

Repeat for the y coordinates: 9+(-3) = 6, which cuts in half to get 6/2 = 3

The midpoint is at (4,3)

-------

The midpoint formula is

$\left(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\right)$ where (x1,y1) and (x2,y2) are the endpoints.

6 0

3 years ago

What is l the value of x in the equation 4-[6+2(x - 4)] = 4x - 2(x+3)

kramer

Answer attached below!

7 0

3 years ago

The area of a square is 15 square feet. What is the best estimate of the length of the side?

Jobisdone [24]

Answer:

L = 3.9

Step-by-step explanation:

$Area=l*l\\l^{2}=15\\$

L = 3.9

7 0

3 years ago

Read 2 more answers