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3 years ago

8 is 25% of what number?

Mathematics

2 answers:

VLD [36.1K]3 years ago

8 0

Answer:

Step-by-step explanation:

25% is the same as 1/4

8 times 4 is 32 so 8 is 25% of 32

Lunna [17]3 years ago

8 0

Answer:

25% would be 8

50% would be 16

75% would be 24

100% would be 32

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There are 75 students performing in the holiday concert. Of the students, 30 are boys. What percent of the students are boys?

viva [34]

Answer:

Total students = 75

Boys = 30

<h3>Percentage</h3>

$\sf \frac{30}{75} \times 100\% \\ \sf= \frac{10}{25} \times 100\% \\ \sf = \boxed{ \bold{ \red{40\%}}}$

Hope it helps!

8 0

3 years ago

I need help with this math question

djyliett [7]

Percent means per one hundred so we can say that:

p/100≈(28)/(28+81+45+63+35) guessing with my old eyes :)

p/100≈28/252

p≈2800/252

p≈11.11%

So rounded to the nearest 5% you'd have:

p≈10%

5 0

4 years ago

A reasonable estimate for a mass of a baby is

DerKrebs [107]

10 lb
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3 years ago

Find the roots of the quadratic equation w+w²/3=0

Daniel [21]

I assume that the equation you mean is below:

$\large \boxed{w + \frac{ {w}^{2} }{3} = 0}$

To find roots for this equation, we have to get rid of the denominator. We can do by multiplying both sides by 3.

$\large{w(3) + \frac{ {w}^{2} }{3} (3) = 0(3)} \\ \large{3w + {w}^{2} = 0}$

Factor w-term out (common factor)

$\large{w(3 + w) = 0} \\ \large{w = 0 \: \: \: or \: \: \: 3 + w = 0} \\ \large{w = 0, - 3}$

Answer

The roots of quadratic equation are 0,-3

8 0

3 years ago

10 to the first power times 16.29

Mumz [18]

Answer:

162.9

Step-by-step explanation:

10 to the first power is 10 and 10 x 16.29=162.9

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3 years ago

Read 2 more answers