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emmasim [6.3K]
3 years ago
14

A swimming pool containing 2000l of water is 1/16 full. How many litres of water is required to make the pool half full

Mathematics
1 answer:
liq [111]3 years ago
5 0

Answer: 16,000 litres

Step-by-step explanation:

1/16 of the pool is 2000l

8/16 full is 1/2 of the pool full

1/16 = 2000

8/16 = x

Cross multiply

1/16x = 2000 × 8/16

1/16x = 1000

Multiply both sides by 16

x = 16000

To make the pool half full, 16,000 litres is required.

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Answer:

  $8 /yd

Step-by-step explanation:

You probably want dollars per yard. To get that, divide dollars by yards:

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4 years ago
If 25% of the students in elementary algebra courses receive a grade of A, and there are 300 students enrolled in elementary alg
djyliett [7]

Answer:

Total number of students receiving A grade = 75

Step-by-step explanation:

Total number of students enrolled in elementary algebra this year =300

Percentage of students receiving a grade of A = 25%

To find number of students that will receive a grade of A.

Solution:

In order to find the number of students that will receive a grade of A, we will find the percentage students receiving A grade of the total number of the student.

Number of students receiving A grade = 25\%\ of\textrm{ Total number of students}

⇒ 25\%\ of\ 300

Writing 25% as fraction and multiplying.

⇒ \frac{25}{100}\times 300

⇒ \frac{7500}{100}

⇒ 75

∴ Total number of students receiving A grade = 75 (Answer)

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3 years ago
Scientific Notation.
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scientific notation: 4×10^8

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3 years ago
What’s 1 and what’s 2 ?
katrin2010 [14]

Answer:

For question 1:

The length of hypotenuse expression =√(8^2+9^2)

For question 2:

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a=√(15^2-4^2)

Step-by-step explanation:

For question 1:

The length of hypotenuse expression =√(8^2+9^2)

For question 2:

Then expression for length a is

a=√(15^2-4^2)

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3 years ago
If a 3-pound bunch of bananas cost $1.50, how
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