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aivan3 [116]
3 years ago
9

A new sidewalk will be 5 feet wide, 240 feet long, and filled to a depth of 9 inches (0.75) with concrete. How many cubic yards

of concrete are needed?
Mathematics
1 answer:
RSB [31]3 years ago
6 0

In order to build the sidewalk, they would need around 33  yrds^3 of concrete. This is because the problem is asking for the volume of the sidewalk. First, we need to convert everything into yards. The final answers we would get would be (5/3) (80) and (0.25). If we were to use the formula for volume, it would be V=lwh. With that incorporated, the answer would be 33.3333333 yrds^3 of concrete to be exact.

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expeople1 [14]

Answer:

45

Step-by-step explanation:

To know how many 1/5 s are in 9, we will take the ratio of both numbers as shown;

9:1/5

= 9 ÷ 1/5

= 9 * 5/1

= 9 * 5

= 45

Hence there are 45 1/5s in 9

4 0
3 years ago
What is the area of a regular pentagon with a radius length of 6 cm?
klemol [59]

Answer:

85.6 cm^2

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Today, Victor practice piano for 4/9 hour in the m
Kisachek [45]

Answer:

3 4/9 hours

Step-by-step explanation:

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7 0
3 years ago
Im running out of time Somebody help me out please ​
kobusy [5.1K]

Answer:

3, 4, and 5

Step-by-step explanation:

To put it simply, 3 + 4 + 5 = 12 and the numbers are consecutive, next to each other.

The method:

The three consecutive numbers could be called x, x + 1, and x + 2 and we know that x + x + 1 + x + 2 = 12

This can be simplified to 3x + 3 = 12. Next, subtract 3 from both sides to get 3x = 9. Now, divide both sides by 3 to get x = 3.

This means that the first number is 3 and the other numbers are 4 (3 + 1) and 5 (3 + 2).

Hope this helps!

8 0
3 years ago
Read 2 more answers
If the expression is expanded, what is the coefficient of x?
Nana76 [90]

Answer:

Coefficient is equal to 12

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