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2 years ago

15

Write an expression:

1 answer:

Nikitich [7]2 years ago

6 0

60÷x. 55÷x. 17+x. 12×x

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A circle has a radius if 20 centimeters and a central angle that measures 118 degrees. Find the length of the arc defined by thu

babymother [125]

$\textit{arc's length}\\\\ s=\cfrac{\theta \pi r}{180}~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=20\\ \theta =118 \end{cases}\implies \begin{array}{llll} s=\cfrac{(118)\pi (20)}{180}\implies s=\cfrac{118\pi }{9} \\\\\\ s\approx 41.19~cm \end{array}$

4 0

1 year ago

How to figure out 5 - 0.53

sveta [45]

the answer would be 4.47

because every whole number is made out of 100 small parts.

So that would be like 400-53 which is 447 and then add the decimal point. That would make it 4.47

4 0

3 years ago

You’ve observed the following returns on Crash-n-Burn Computer’s stock over the past five years: 14 percent, –9 percent, 16 perc

MatroZZZ [7]

Answer:

a. 9%

b. 0.01445

c. 12.02%

Step-by-step explanation:

n = 5 years

Return rates = 14%, –9%, 16%, 21%, and 3%

a. Arithmetic average return

$A= \frac{14-9+16+21+3}{5} \\A=9.00$

b. Historical variance (to 5 decimal places)

$V= \frac{\sum (X_i-A)^2}{n-1} \\V= \frac{(0.14-0.09)^2+(-0.09-0.09)^2+(0.16-0.09)^2(0.21-0.09)^2(0.03-0.09)^2}{5-1}\\ V=0.01445$

c. Standard deviation.

$s = \sqrt{V} \\s= \sqrt{0.01445}\\s=0.1202 = 12.02\%$

8 0

3 years ago

What is the answer please help

maria [59]

Answer:

25

Step-by-step explanation:

x^2=24^2+7^2

=576+49

=625

x=25

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3 years ago

Which of the following statements would be supported by both a communist and a utopian socialist?

guajiro [1.7K]

Answer:

A

Step-by-step explanation:

<h2>:)</h2>

3 0

2 years ago

Read 2 more answers