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julsineya [31]
2 years ago
9

A swing forward 50 degree and back 95 degree. How many degree forward must the swing go to return in starting position

Mathematics
1 answer:
-Dominant- [34]2 years ago
4 0

Answer:

45°.........................

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The area of Asia is about 44600000 square kilometers. The area of Europe is about 9.94 x 10^6 square kilometers. What is the com
choli [55]
The answer is B . because when u add them u will get 14400000 which is 1.44*10^7sq kilometers. did this help you?
7 0
3 years ago
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The director of a state agency believes that the average starting salary for clerical employees in the state is less than ​$35 c
MrRissso [65]

Answer:

There is not enough evidence to conclude that  average starting salary for clerical employees in the state is less than ​$35,000 per year.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 35,000 dollars per year

Sample mean, \bar{x} = 34,700 dollars per year

Sample size, n = 100

Alpha, α = 0.10

Population standard deviation, σ = 3,500 dollars per year

First, we design the null and the alternate hypothesis

H_{0}: \mu = 35,000\text{ dollars per year}\\H_A: \mu < 35,000\text{ dollars per year}

We use one-tailed z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{34700 - 35000}{\frac{3500}{\sqrt{100}} } = -0.8571

Now, z_{critical} \text{ at 0.10 level of significance } = -1.28

Since,  

z_{stat} > z_{critical}

We fail to reject the null hypothesis and accept the null hypothesis.

Thus, there is not enough evidence to conclude that  average starting salary for clerical employees in the state is less than ​$35,000 per year.

3 0
3 years ago
Write the equation of the line, in slope-intercept form, with the following information: slope: -3/8 point: (16, -1)​
irakobra [83]

Answer:

y+1=-3/8(x-16)

Step-by-step explanation:

I used the equation and plugged in the numbers

y-__y__=__m__(x-__x__)

6 0
3 years ago
Hey um... I have a question about Cumulative frequency diagram. Its in the picture. Please help I will give you reward I promise
Mice21 [21]

Answer: see below

Step-by-step explanation:

(i)

200/2 = 100

Find 100 on cumulative frequency and the correspinding time: 14 minutes. So the answer is 14 minutes.

(ii)

First, find the lower quartile —> 200/4 = 50

Upper quartile —> 200/(3/4) = 150

Find the difference: 150 - 50 = 100

So the interquartile range is 100

For detailed, step-by-step explanations you can visit my fiverr account: kesja_

I provide detailed explanations for math questions for as little as $1!

5 0
3 years ago
What does 8-2(y+4)=1/2(8y-12) equal?
JulsSmile [24]

y = 1

8-2y - 8 = 4y - 6

-2y = 4y - 6

-6y = -6

y = 1

3 0
3 years ago
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