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s344n2d4d5 [400]
3 years ago
6

Filter A is cleaned immediately after it has

Mathematics
1 answer:
denis23 [38]3 years ago
3 0

Answer:

120 grams of dust

Step-by-step explanation:

5x24= 120

30x4= 120

this is the first number that both 30 and 24 have in common.

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What is the coefficient of 14
My name is Ann [436]
The coefficient is the number . so if the problem said 16x the coefficient would be 16 . the answer is 14
5 0
3 years ago
Express the following fractions as the sum or difference of two fractions (x^2+y^2)/x^4
zlopas [31]

Answer:

 \frac{1}{x^2} + \frac{y^2}{x^4}

Step-by-step explanation:

\frac{x^2 + y^2}{x^4} = \frac{x^2}{x^4} + \frac{y^2}{x^4} = \frac{1}{x^2} + \frac{y^2}{x^4}

4 0
2 years ago
find the area of the window 24inch by 30inch and convert in to square feet, round the anwser to the second decimal place
Nezavi [6.7K]

Answer:

5 sq. ft.

Step-by-step explanation:

To find the area of a rectangle, use this formula: A = lw.

Because you know two side lengths of the window, you can just plug in the numbers to the formula.

But not yet! You need to convert the given lengths into feet first.

You know that there are 12 inches in 1 foot.

So:

24 inches ÷ 12 inches/foot = 2 feet

30 inches ÷ 12 inches/foot = 2.5 feet

Alright, now you can plug in these lengths into the formula.

A = (2) (2.5) = 5 sq. ft.

The question asks you to round, but there is nothing to round, so you are done here.

4 0
3 years ago
Josie and her brothers and sisters measured their heights and found the mean averageThe mean was 150cmJosie forgot her height. C
Andrei [34K]

Answer:

135 cm

Step-by-step explanation:

Let Jose's height = x

The mean of their heights = 150

Given the Heights:

150cm, 170cm, 140cm, 155cm

The mean is the sum if the heights divided by the number of people

Here :

(150 + 170 + 140 + 155 + x) / 5 = 150

(615 + x) / 5 = 150

615 + x = 750

x = 750 - 615

x = 135 cm

8 0
3 years ago
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julia-pushkina [17]
9f^2-18f+9 is the answer
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3 years ago
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