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ser-zykov [4K]
2 years ago
15

A dining room is 21 ft long. On a blueprint, the dining room is 3.5 ft long and 2.5 ft wide. The actual width of the dining room

is _____ ft.
Mathematics
1 answer:
mars1129 [50]2 years ago
4 0

Answer:

15 ft.

Step-by-step explanation:

the ratio of the real room to the blueprint is 21/3.5, which simplifies to 6.

You have to multiply 6 by 2.5 to get 15

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Can I get the steps of solving the fractions ?
Paul [167]

Step-by-step explanation:

In adding fractions, first you have to make the denominators the same. To do this, you need to find the GCF (greatest common factor).

3/4 + 4/8  

The GCF on this would be 8, since both 4 and 8 can go into it. Next, you need to change both the denominators to the GCF, but you have to make sure the fractions are still equal to the original one. To do this, you have to multiply the numerator by the amount the original denominator is multiplied to get to the GCF.

4(2) = 8

3(2) = 6

So now you have 6/8 + 4/8. Next, you just add up the numbers normally, leaving the denominators the same.

6/8 + 4/8 = 10/8

If necessary, you simplify the fraction. To do this, you need to find the smallest number that goes into both of them, besides one. In this case, it would be 2. Then, you divide both the numerator and denominator by that number.

10/2 = 5

8/2 = 4

Then, to find the most simplified version, you need to divide the numorator by the denominator.

5/4 = 1 with a remainder of 1.

You put your answer as the whole number, and your remainder as the numorator. Leave the denominator the same.

1\frac{1}{4}

Hope this helped with adding fractions!

3 0
3 years ago
A cylinder has a base diameter of 20 meters and a height of 10 meters. What is it’s volume in cubic meters, to the nearest tenth
Korvikt [17]

3141.6 cubic meters

Step-by-step explanation:

The volume of a cylinder is given by;

πr²h

π * (²⁰/₂)² * 10

π * 100 * 10

= 3141.6

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4 years ago
6000 whole number multiplied by a power of ten
Firdavs [7]
6000=6×10^3 (3 zeros)
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Answer:

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That has to be impossible because you can’t get any solution that would possible add to 6
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