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katovenus [111]
2 years ago
8

If 400 bricks measuring 81" by 31" are required to build a wall 42 ft. high, how long is the wall​

Mathematics
1 answer:
musickatia [10]2 years ago
7 0
Idek lol but yeah have a good day
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Plz help me I really need it ASAP
vekshin1

Answer:

32

Step-by-step explanation:

\frac{4ab}{8c}

\frac{4(8)(4)}{8(\frac{1}{2})}

\frac{4(32)}{4}

32

8 0
2 years ago
Read 2 more answers
11/5-1/2= Fraction fraction
Luba_88 [7]

Answer:

11/5-1/2     =    22/10-5/10= 17/10   =   1  7/10

Step-by-step explanation:

The answer is 1  7/10

3 0
2 years ago
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PLEASE HELP! I am doing Imagine Math and I need help with this question!
Vaselesa [24]
The bottom left option is when it is reflected over the x axis, the second to last option on the left is when it is reflected of the y axis, and the middle option is when it is reflected over the line y = x

Hope this helps :)
5 0
2 years ago
How do you estimate 52% of 84?
Nastasia [14]
The way to answer this question is to first make 52% into a decimal:

52% = 0.52

so now we will simply multiply:

   84
x.52

once you have multiplied these numbers it comes out to be 43.68.
So your answer is 43.68.

Hope this answer helps! feel free to ask any additional questions :)
6 0
2 years ago
One side of a square flower bed is 21 feet long. How many plants are needed if they are to be spaced 21 inches apart around the
Lapatulllka [165]

Answer:

48 plants.

Step-by-step explanation:

On one side there would be  21 * 12  inches / 21 inches =- 12 plants.

There are 4 sides so that makes 48 plants.

4 0
3 years ago
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