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kari74 [83]
3 years ago
8

Isaac is making sandwiches for a group of friends. He needs 3 ounces of meat for each sandwich.

Mathematics
2 answers:
lidiya [134]3 years ago
6 0

Answer:

Part A: x=3

Part B: 6oz

3x=18

Step-by-step explanation:

Part A-

So, he needs 3 oz for each sandwich.

This gives us 3 for the equation.

The question says that we need an equation for this.

If we need an equation, we could write something like

x=3

There's really not anything else that we could write here.

Part B-

We now have something that we need to write.

He has 18 oz for sandwiches.

Each sandwich needs 3 oz.

So, we can write something like 3x=18

Then we could solve the equation by dividing both sides by 3.

This will leave us with x=6

Hope this works!

USPshnik [31]3 years ago
3 0
If you divide 18 by 3 it will equal 6, the variable is 6
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Answer:

E) we will use t- distribution because is un-known,n<30

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Step-by-step explanation:

<u>Step:-1</u>

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The mean interest rate 'x' = 0.0365

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x±t_{0.01} \frac{S}{\sqrt{n-1} }

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using calculator

0.0365±0.00276

Confidence interval is

(0.0365-0.00276,0.0365+0.00276)

(0.0338,0.0392)

the mean value is lies between in this confidence interval

(0.0338,0.0392).

<u>Answer:-</u>

<u>using t- distribution because is unknown,n<30,and the interest rates are not normally distributed.</u>

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j

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