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defon
3 years ago
8

In previous courses, you learned to solve single step and multi-step equations algebraically. Take a minute to review what you a

lready know about solving these types of equations.
Drag the tiles to solve the equation

.
2(3x +4) + 5x +=41
Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0
6x +8 +5x =41
11x +8 =41
11x = 33
X = 11
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A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 410 gram setting. It is
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Answer:

The decision rule for rejecting the null hypothesis is t < -1.721

Step-by-step explanation:

A manufacturer of potato chips would like to know whether its bag filling machine works correctly at the 410 gram setting. It is believed that the machine is underfilling the bags.

At the null hypothesis, we test if the mean weight of the bag is the desired value of 410, that is:

H_0: \mu = 410

At the alternate hypothesis, we test if the bag is underfilled, that is, the mean weight is below the desired value, so:

H_0: \mu < 410

Type of test:

As we test if the mean is less than a value, we have a left-tailed test.

We have the standard deviation for the sample, which means that the t-distribution is used.

We have 22 - 1 = 21 degrees of freedom, with a level of significance of 0.05.

Using a calculator, the critical value is t_c = -1.721

Determine the decision rule for rejecting the null hypothesis.

We reject the null hypothesis if the test statistic is less than the critical value, so the decision rule for rejecting the null hypothesis is t < -1.721

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3 years ago
If a call started at 7:53 and ends at 8:25.<br> How long did the call last?
SOVA2 [1]

Answer:

33 minutes

Step-by-step explanation:

33min

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3 years ago
If the measure of angle<br> A = 55 degrees, b = 12,<br> and c= 7, find a.
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The answer probably is 55 otherwise I didn’t understand your question.
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2 years ago
An apartment building has an elevator. The
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the answer is 3000 pounds.

Step-by-step explanation:

1 ton is 2000 pounds so you just have to multiply 1500×2.

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5 subtracted from 3 times any number use x to represent any number
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Answer:

5-(3 X x)

Step-by-step explanation:

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