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Tcecarenko [31]
2 years ago
10

Monique bought a shirt for $22.80 during a 30% off sale. How much dose the shirt cost when it is not on sale

Mathematics
2 answers:
zhannawk [14.2K]2 years ago
5 0

Answer:

29.64

Step-by-step explanation:

22.80*0.30=6.84. Then 22.80+6.84=29.64

vfiekz [6]2 years ago
3 0

Answer:$29.64

Step-by-step explanation:

$22.80 + 30%= $29.64

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For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the hypothesis test as two-tail
bagirrra123 [75]

Answer:

Option B:

H_0: \mu = 22.1

H_a: \mu \neq 22.1

Classification:

The hypothesis test is Two-tailed.

Step-by-step explanation:

The mean length of imprisonment for motor-vehicle theft offenders in this country is 22.1 months.

This means that the null hypothesis is that the mean is of 22.1 months, that is:

H_0: \mu = 22.1

A hypothesis test is to be performed to determine whether the mean length of imprisonment for motor-vehicle theft offenders in this city differs from the national mean of 22.1 months.

At the alternate hypothesis, we test if this mean is different of 22.1, that is:

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Which of the following is the correct classification of the hypothesis test?

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7 0
3 years ago
(6c^2-c+1)-(-4c+2c^2+8c)
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3 0
3 years ago
A 100-foot rope from the top of a tree house to the ground forms a 45∘ angle of elevation from the ground. How high is the top o
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Answer:

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Step-by-step explanation:

We are given that A 100-foot rope from the top of a tree house to the ground forms a 45∘ angle of elevation from the ground

Refer the attached figure

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We are supposed to find the height of tree house i.e.AB = Perpendicular

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Hence The height of tree house is 70.71 feet

8 0
3 years ago
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