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Ksenya-84 [330]
3 years ago
13

I need help with number 40 and 41 please, lots of points!!!

Mathematics
2 answers:
levacccp [35]3 years ago
8 0
#40: There are 40 people in the youth group. If you multiply 5 and 8 by 5 it equals 25/40 (the number going on the ski trip)
Thepotemich [5.8K]3 years ago
4 0
<h2>Q41 - using equations</h2>

Let y be the price of a basketball.

y+1.5y=37.70 (a basketball plus a football costs 37.70)

2.5y=37.70

y=15.08

The basketball costs $15.08.

Since the football is 2y, it costs $30.16.

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frosja888 [35]

Answer:

Improper fraction = 10/3 cups

Mixed fraction = 3 1/3 cups

Step-by-step explanation:

Given;

Sam uses 2/3 cup of sugar to make cookies

Rate = 2/3 cup per batch

To make 5 batches, he would need;

Amount = number of batches × rate per batch

Amount = 5 batches × 2/3 cups per batch

Amount of sugar he would need = 10/3 or 3 1/3 cups

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3 years ago
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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:

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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

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

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Which means that the answer is given by option b).

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

We test if the mean is different from a value, which means that the hypothesis test is Two-tailed.

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