2 years ago

Write the following percentages as a fraction in simplest form

Mathematics

1 answer:

alisha [4.7K]2 years ago

4 0

Answer: 241/4%
hope this helped

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21% of the students at a High are in Maths group, 15 % are in science group, and 6 % are in both. If a student is selected rando

mihalych1998 [28]

Answer:

Step-by-step explanation:

The probability of picking a maths student = 21% = 21/100

The probability of picking a science student = 15% = 15/100 = 3/20

The probability of picking in both = 6/100 = 3/50

The probability that the student is in maths or science = 21/100 - 15/100 = 6/100 = 6%.

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WORTH ALOT. Find the amount that results from the investment. 14) $480 invested at 7% compounded quarterly after a period of 9 y

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Answer:

$896.36

Step-by-step explanation:

Principal = $480
Interest rate = 7% compounded
Compound number = 4 per year
Time = 9 years

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480*(1 + 0.07/4)^(9*4) =
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The two cross sections shown are taken parallel to their respective bases. The cross sections have the same area. If the heights

marishachu [46]

Answer:

$489.40\,\,cm^3$

Step-by-step explanation:

Given:

The given two cross-sections have the same area such that the heights of the two solids are equal.

To find: volume of the cylinder

Solution:

Let r represents the radius of the cylinder.

Area of the cross-section of the cylinder ( i.e., area of a circle) = area of the cross-section of the other solid (are of the rectangle)

$\pi r^2 =3.8\times 8.1\\r^2=\frac{3.8\times 8.1}{\pi}$

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