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jeka94
3 years ago
11

Solve for 50 points x^(2)=100

Mathematics
2 answers:
Eddi Din [679]3 years ago
7 0

x²=100

x²=10×10

x=10

hope it helps you

Yuki888 [10]3 years ago
6 0

Answer:

  • x = ± 10

Step-by-step explanation:

  • x² = 100
  • √x² = √100
  • x = ± 10
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Liquidity describes the degree to which an asset or security can be quickly bought or sold in the market without effecting the assets prices, while equity is the value of the shares issued by a company. 
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Shelly charges$10 per hour for her babysitting services. Last month Shelly babysat for 15 hours. This month she babysat for n ho
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3 years ago
Convert <br>431 base 10 divided by 112base 10 Then u should convert the final answer to base 5​
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Answer:

32115

Step-by-step explanation:

Step1

Converting 431 to base 10.

4*102=400

3*101=30

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Step2 converting 43110 to 5

The equation calculation formula for 43110 number to 5 is like this below.

5|431

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3 years ago
The sum of three consecutive intgers is 72 find the smallest integer
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5 0
3 years ago
Read 2 more answers
Batteries produced by a manufacturing company have had a life expectancy of 135 hours. Because of an improved production process
Nikolay [14]

Answer:  c. z = 1.35; Reject the null hypothesis

Step-by-step explanation:

Let \mu be the average life expectancy of its batteries.

As per given , we have

Null hypothesis : H_0 : \mu =135

Alternative hypothesis : H_a : \mu >135

Since H_a is right-tailed and population standard deviation is also known, so we perform right-tailed z-test.

Test statistic : \dfrac{\overlien{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

where, n= sample size

\overlien{x}= sample mean

\mu= Population mean

\sigma=population standard deviation

For n=42,\ \overline{x}=140\ \&\ \sigma=24, we have

z=\dfrac{140-135}{\dfrac{24}{\sqrt{42}}}=1.35015431217\approx1.35

Critical one-tailed test value for 0.10 significance level :

z_{0.1}=1.28

 Decision : Since critical z value (1.28) < test statistic (1.35), so we reject the null hypothesis .

[When critical value is less than the test statistic value , we reject the null hypothesis .]

5 0
3 years ago
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