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SIZIF [17.4K]
3 years ago
6

Please help asap please

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
4 0

Answer:

A

Step-by-step explanation:

volume is in ft cubed

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What is the exponential form of root 17
shusha [124]

Answer:  17^{1/2}

This is 17 to the 1/2 power

The rule is

\sqrt[n]{x} = x^{1/n}

the n is the index of the root. For square roots, n = 2, so,

\sqrt[n]{x} = x^{1/n}\\\\\sqrt[2]{17} = 17^{1/2}\\\\\sqrt{17} = 17^{1/2}\\

4 0
3 years ago
Read 2 more answers
There are two approaches to solving the equation -3x + 10 = 4x - 20
pashok25 [27]

Answer:

X =30/7

Step-by-step explanation:

The first way would be something like:

-7x + 10 = -20. The first thing we would do is to subtract 10 from both sides.

Therefore,

-7x+10-10=-20-10

Simplified, we get

-7x=-30

Remove the negative symbols

7x =30

x=30/7

Second example:

10=7x - 20

Add 20 to both sides.

10+20=7x-20+20

Simplified,

30=7x

x = 30/7

4 0
3 years ago
Read 2 more answers
Help if you can pls. if you can’t see the pic don’t bother answering.
liubo4ka [24]
Ashton Martin. Because 60 divided by 20 is 3.
5 0
2 years ago
A survey claims that a college graduate from Smith College can expect an average starting salary of $ 42,000. Fifteen Smith Coll
jek_recluse [69]
<h2>Answer with explanation:</h2>

Let \mu be the average starting salary ( in dollars).

As per given , we have

H_0: \mu=42000\\\\ H_a:\mu

Since H_a is left-tailed , so our test is a left-tailed test.

WE assume that the starting salary follows normal distribution .

Since population standard deviation is unknown and sample size is small so we use t-test.

Test statistic : t=\dfrac{\overline{x}-\mu}{\dfrac{s}{\sqrt{n}}} , where n= sample size , \overline{x} = sample mean , s = sample standard deviation.

Here , n= 15 , \overline{x}=  40,800  , s= 225

Then, t=\dfrac{40800-42000}{\dfrac{2250}{\sqrt{15}}}\approx-2.07

Degree of freedom = n-1=14

The critical t-value for significance level α  = 0.01 and degree of freedom 14 is 2.62.

Decision : Since the absolute calculated t-value (2.07) is less than the  critical t-value., so we cannot reject the null hypothesis.

Conclusion : We do not have sufficient evidence at 1 % level of significance to support the claim that  the average starting salary of the graduates is significantly less that $42,000.

3 0
3 years ago
A dozen cookies needs 2.5 cups of flours. How much flour is needed for 4.5 dozen cookies ?
ki77a [65]
11.25 cups of flour

2.5 x 4 = 10
2.5/2 = 1.25
10 + 1.25 = 11.25
5 0
3 years ago
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