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gayaneshka [121]
3 years ago
10

A floor of a room is in the shape of square. It is to be covered with rectangular tiles that each have an area of 192 square inc

hes.If the length of the floor is 14 feet, how many tiles are needed to cover the floor?
Mathematics
2 answers:
Grace [21]3 years ago
8 0
Find area of room
aera=legnth wtimes width
in a square, legnth=width
aera=legnth^2
legnth=14 feet
convert o inches
14*12=168 inches
area=168^2=28224 square inches

how many tiles will cover all of floor?
aka
how many 192 in^2 is at least 28224 (at least, because we need to cover the whole floor without gaps)
192x<u>></u>28224
divide both sides by 192
x<u>></u>147

147 is the number of tiles we need

Nonamiya [84]3 years ago
8 0
The answer is 147 first convert 14 ft. into inches 14×12=168 168×168=28225 28225÷192=147
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3 years ago
Amy drives her car until the gas gauge is down to 1/8 full, then she fills the tank to capacity by adding 14 gallons. What is th
Kazeer [188]

Answer:

Amy's car tank capacity is 16 gallons.

Step-by-step explanation:

Let the capacity of the tank be 'x'

Given:

Amount of gas in the car till it is refilled = \frac{1}{8}\times x = \frac{1}{8}x \ gallons

Amount of gas added = 14 gallons.

We need to find the capacity of the tank.

Solution:

Now we can say that

Total Capacity of the tank is equal to sum of Amount of gas in the car till it is refilled and Amount of gas added.

framing in equation form we get;

x=\frac{x}{8}+14

Combining the like terms we get;

x-\frac{x}{8}=14

Now making the denominators common we will use L.C.M.

\frac{8x}{8}-\frac{x\times1}{8\times1}=14\\\\\frac{8x}{8}-\frac{x}{8}=14\\\\\frac{8x-x}{8}=14\\\\\frac{7x}{8}=14

Now multiplying both side by 8 we get;

\frac{7x}{8}\times 8=14\times8\\\\7x = 112

Now dividing both side by 7 we get;

\frac{7x}{7}=\frac{112}{7}\\\\x=16\ gallons

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Answer:2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is 5/100 fraction?​
MrRa [10]

5/100=

5 ÷ 5

100 ÷ 5

Reduced fraction:  

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8 0
2 years ago
Help me pls!! thank you!!
nexus9112 [7]

Answer:

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Step-by-step explanation:

its the only one that makes sense! hope this helps! :D

8 0
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