3 years ago

The histograms below show the heights (in meters) of the tallest buildings in China and the United States.

Mathematics

2 answers:

gregori [183]3 years ago

8 0

Answer:

A and B

Step-by-step explanation:

This is correct on khan academy!

Alex3 years ago

7 0

Answer:

a and b

Step-by-step explanation:

correct on khan acadamy,

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Solve for the equation 4a-8=28

hoa [83]

4a-8=28
add 8 to both sides to start to isolate the variable (a)
-8+8 cancels each other out
28+8=36
4a=36
to completely isolate the variable divide both sides by 4
4a÷4=a
36÷4=9
a=9

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3 years ago

Find the sum.<br> 7x + 15x=

BaLLatris [955]

Answer:

7x + 15x= 21x

Step-by-step explanation:

7x + 15x

= (7 + 15)x

= 22x

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Anna35 [415]

Answer:

2 hours and 7 minutes

Step-by-step explanation:

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3 years ago

Find the area of the triangle

Cerrena [4.2K]

Answer:

Part 1) $P=204\ yd$

Part 2) $A=1,325\ yd^2$

Step-by-step explanation:

Part 1)

we know that

The perimeter of triangle is equal to the sum of its length sides

$P=54+97+53=204\ yd$

Part 2)

we know that

The area of triangle is given by the formula

$A=\frac{1}{2}(b)(h)$

we have

$b=53\ yd\\h=50\ yd$

substitute

$A=\frac{1}{2}(53)(50)=1,325\ yd^2$

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3 years ago

Analyze the diagram below and answer the question that follows. 2004-02-03-05-00_files/i0500000.jpg Which of the following is no

meriva

I think the answer is d.8

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