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Lemur [1.5K]
3 years ago
13

Josh has a job to tile a room 16 ft x 18 ft with 1 ft. square tiles. How many tiles does he need?

Mathematics
1 answer:
Lena [83]3 years ago
7 0

Answer:

288 tiles

Step-by-step explanation:

16×18= 288 so he needs 288 square tiles

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a 9ft ladder is placed 4.5 feet from the base of a wall. How high up will the ladder reach? Round to the nearest hundredth.
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Answer:

\huge\boxed{7.79 \ \text{feet}}

Step-by-step explanation:

We know that we have a 9 foot long ladder resting upon a wall, with an unknown height, but the ladder is 4.5 feet away from the wall.

This can be represented as a triangle, where x is the unknown side.

    |\

    |  \

x   |    \      9

    |      \

    |        \                  

    |_____\

    4.5

We can use The Pythagorean Theorem to find the value of x. The theorem states that a^2+b^2=c^2, where a and b are the lengths of the legs and c is the length of the hypotenuse.

However, we already know the hypotenuse and one leg. Therefore we can substitute inside the equation to find the missing value.

a^2 + 4.5^2 = 9^2\\\\a^2 + 20.25 = 81\\\\a^2 = 60.75\\\\a \approx 7.79

Hope this helped!

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3 years ago
The height of a candle, in centimeters, can be modeled by the linear equation h = 28 - 2t, where t represents the hours that the
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The slope is -2. In context to this problem, the candle will burn away 2cm of its length every hour.

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Ethan invested £500 in the bank for 2 years.
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Step-by-step explanation:

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