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Nastasia [14]
2 years ago
13

What is 2/5 divided by 3/4

Mathematics
1 answer:
Triss [41]2 years ago
4 0
It’s 8/15 decimal form it’ll be 0.53 hope this helped !
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What is 3 3/5 times 5/7 in the simplest form cause my teacher is mean
Kisachek [45]

Answer:

2.57 might be right. If its not then I'm sorry

6 0
3 years ago
A company is designing a new cylindrical water bottle. The volume of the bottle will be 149 cmcubed. The height of the water bot
Arlecino [84]

Answer:

2.33

Step-by-step explanation:

If you put the numbers into the radius formula you should end up with this number hope this helps:)

7 0
3 years ago
What is 96 fluid ounces equal to in quarts? You will get a thank if answered!
muminat
Hey, should be 3 american quarts
4 0
3 years ago
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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
2 years ago
Please help me solve this question:)​
omeli [17]

Answer:

The answer would be a=2.

Step-by-step explanation:

Since both sides of the equation are being multiplied by b then you would divide both of them by B. This will just remove the B from the equation entirely and leave you with a=2. I hope that this was helpful.

6 0
3 years ago
Read 2 more answers
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