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2 years ago

The following are the ages (years) of 5 people in a room:

Mathematics

1 answer:

MA_775_DIABLO [31]2 years ago

8 0

Answer:

The person is 14 years old

Step-by-step explanation:

1. Multiply 6 times 18 which is 108

2. Add all numbers together in list which is 94

3. Subtract 94 from 108 which is 14

4. To check answer add 94 plus 14 and divide by 6 and you will get the median which is 18, now you know this answer is correct.

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What are the solutions of the quadratic equation (x + 3)2 = 49

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3 years ago

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1 year ago

A semicircle has the radius of 2 4/5. What is its area? leave your answers in term of π

Ratling [72]

Answer:

$11\dfrac{13}{25}\pi$

Step-by-step explanation:

r = Radius of semicircle = $2\dfrac{4}{5}=\dfrac{24}{5}\ \text{units}$

Area of semicircle is given by

$A=\dfrac{\pi r^2}{2}\\\Rightarrow A=\dfrac{\pi \left(\dfrac{24}{5}\right)^2}{2}\\\Rightarrow A=\dfrac{288}{25}\pi=11\dfrac{13}{25}\pi\ \text{sq. units}$

The area of the semicircle is $11\dfrac{13}{25}\pi\ \text{sq. units}$ .

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3 years ago

4. Which statistic can not be determined from a box plot representing the scores on a math test in Mrs. DeRidder's algebra class

adoni [48]

Answer:

the score that occurs most frequently

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2 years ago

Helpppp please!!!!!!!!!!

hram777 [196]

Answer:

128.86 cm^2

Step-by-step explanation:

So to start off we need to find the area of the rectangle.

The formula for the area of a rectangle is $l$ × $w$ .

L stands for the length which is 12 and w is the width which is 11.

So 11 × 12 = 132 cm^2.

Now time for the area of a circle.

The formula for that is $\pi r^{2}$ .

So first we need to do 1 × 1 which is 1.

Then 1 × $\pi$ which is just $\pi$ .

Then we do 132 - $\pi$ which is an irrational number.

It looks like this shortened 128.858407346.

Now rounding to the nearest hundreth it would be 128.86 cm^2.

Hence, the area of the shaded region is 128.86 cm^2.

8 0

2 years ago