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aksik [14]
3 years ago
5

Find the value of a and b. a) 144, 67 b) 144, 36 c) 113, 67 or d) 113, 36

Mathematics
1 answer:
TEA [102]3 years ago
7 0
Work shown above! Answer is
a = 144
b = 67

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Kerrie is tiling the floor of a kitchen. The kitchen floor measures 11.3 feet by 9.25 feet. She orders enough tiles for 99 squar
Tema [17]

This question is not complete

Complete Question

Kerrie is tiling the floor of a kitchen. The kitchen floor measures 11.3 feet by 9.25 feet. She orders enough tiles for 99 square feet. Which statement about the amount of tiles is correct?

a) Kerrie estimated correctly by rounding down. She has enough tile. The exact area is 104.5 square feet.

b) Kerrie estimated correctly by rounding up. She has enough tile. The exact area is 104.5 square feet.

c) Kerrie did not estimate correctly by rounding up. She does not have enough tile. The exact area is 104.5 square feet.

d) Kerrie did not estimate correctly by rounding down. She does not have enough tile. The exact area is 104.5 square feet.

Answer:

a) Kerrie estimated correctly by rounding down. She has enough tile. The exact area is 104.5 square feet.

Step-by-step explanation:

In mathematics we have what is defined as rounding up and rounding down.

Rounding up of numbers is when the number you want to round up is followed by number from 5 to 9(5, 6, 7, 8, 9)

E.g. 2.5 rounded up to the nearest whole number = 3

Rounding down of numbers is when the number you want to round up is followed by number from 1 to 4(1, 2, 3, 4)

E.g. 2.4 rounded down = 2

We are told in the question

Kerrie is tiling the floor of a kitchen. The kitchen floor measures 11.3 feet by 9.25 feet. She orders enough tiles for 99 square feet.

Kitchen floor is rectangular = Area = Length × Width

= 11.3 × 9.25 feet

= 104.525 square feet

We are told that Kerrie ordered for 99 square tiles.

But looking at the decimal, the number after the decimal are between 1 and 4.

Hence, she would be rounding down.

If Kerrie rounds down to the nearest whole number

11.3 feet = 11 feet

9.25 feet = 9 feet

Finding the area = 11 feet × 9 feet

= 99 square feet

Therefore, the correct statement = option a) Kerrie estimated correctly by rounding down. She has enough tile. The exact area is 104.5 square feet.

6 0
3 years ago
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A bag contains the letters from the words SUMMER VACATION. You randomly choose a letter. What is the probability that you choose
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we have about 14 letters in the given word .

let P(M) be the probability of letter M in word.

there are 2 M in words.n(m)=2 and n(s)=14.

so the probability be =P(M)=n(M)/n(s) =\frac{2}{14} =\frac{1}{7} .

4 0
3 years ago
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Oman said that it is impossible to raise a number to the power of 2 and get a value less than the original number. Do you agree
Eva8 [605]
Oman is wrong, if you raise any decimal number less than one to a power of 2 the number just gets smaller
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3 years ago
Which of these side lengths makes the triangle obtuse?<br> 15, 36,
gogolik [260]

Answer:

I believe the answer is 36.

8 0
3 years ago
Mr. Tolin purchased a used car for $2,816, which was 12% off the asking price. What was the asking price of the used car?
Nina [5.8K]

Answer:

Original price= $3,200

Step-by-step explanation:

Giving the following information:

Purchase price= $2,816

Discount rate= 12% = 0.12

<u>To calculate the original price, we need to use the following formula:</u>

Original price= purchase price / (1 - discount rate)

Original price= 2,816 / 0.88

Original price= $3,200

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