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2 years ago

James saw that the elevator started on floor 6 and five seconds later was on floor -1. What was the rate of change?

Mathematics

1 answer:

Margarita [4]2 years ago

8 0

Answer:

7/5 floors per second

Step-by-step explanation:

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Find the area of the regular polygon. Round to the nearest tenth.

mojhsa [17]

Given:

Side length = 12 in

To find:

The area of the regular polygon.

Solution:

Number of sides (n) = 6

Let us find the apothem using formula:

$$a=\frac{s}{2 \tan \left(\frac{180^\circ}{n}\right)}$

where s is side length and n is number of sides.

$$a=\frac{12}{2 \tan \left(\frac{180^\circ}{6}\right)}$

$$a=\frac{6}{ \tan (30^\circ)}$

$$a=\frac{6}{ \frac{1}{\sqrt{3} }}$

$$a=6\sqrt{3}$

Area of the regular polygon:

$A=\frac{1}{2}(\text { Perimeter })(\text { apothem })$

$$A=\frac{1}{2}(6 \times 12)(6\sqrt{3} )$

$$A=\frac{1}{2}(72)(6\sqrt{3} )$

$A=216 \sqrt{3}$

$A=374.1$ in²

The area of the regular polygon is 374.1 in².

4 0

3 years ago

for the spring fundraiser, there were 50 committee members. Each member worked 2 hour. The eveent raised $ 1,267.00. What amount

Sindrei [870]

50 x 2 =100 hours
1267/100= 12.67
$12.67 was raised per hour

3 0

3 years ago

Which of the following expressions is correctly written in scientific notation?

Romashka [77]

Answer:

It's

5.29 x 10^-5

Bcs the scientific notation number has to be around the numbers 1-9 and not more than that.

hope it helps :)

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3 years ago

What is the solution of this equation x + 6 =24

lawyer [7]

If you are looking for x then it is X = 18

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3 years ago

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Which fraction is between 0 and 50/100

Gelneren [198K]

Hey!~

The answer is 25/100.
0/100 (0) and 50/100 (1/2) : The middle is 1/4.

Hope this helps and have a great day!

-Lindsey

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3 years ago

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