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iren [92.7K]
3 years ago
10

Please help me thank you and number them

Mathematics
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

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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
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