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san4es73 [151]
3 years ago
5

Tina brought some nail polish and lip gloss at the store.The nail polish costs $4.50 per bottle and lip gloss costs $7 per tube.

tina brought 9 items and spent $50.50.how many of each item did she buy

Mathematics
1 answer:
tatiyna3 years ago
8 0
The answer to the question.

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Which triangle has a bigger area:
irakobra [83]

Hello there!

Answer:

Triangle 2

Step-by-step explanation:

To determine which triangle has the bigger area, we would need to figure our the area of the triangles.

To solve for the area of the triangles, we would use the formula length × width × height or l × w × h

They gave us the information to the triangles in the question, so we would just solve.

Triangle 1: 300 *400*500= 60,000,000

Triangle 2: 300*400*700=84,000,000

When you finish solving, you would see that triangle 2 has the bigger area.

Triangle 2 would be the CORRECT answer because it has a bigger area than Triangle 1.

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Step-by-step explanation:

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Softa [21]

Answer:

The requirements that must be satisfied are:

- The sample should be reasonably random.

- The sample size should not be higher than 10% of the population.

- The data should not have outliers or excessive skewness.

- The data should be normal or with a sample large enough (usually n>30).

There is no enough information to know if the requirements are satisfied.

Step-by-step explanation:

Ths test hypothesis would be a t-test.

The requirements that must be satisfied are:

- The sample should be reasonably random.

- The sample size should not be higher than 10% of the population.

- The data should not have outliers or excessive skewness.

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Some conditions are not met, as the sample size (n=12) which is not big enough.

We don't know also if the sample was taken randomly. The size of the sample respect to the population is also unknown.

In conclusion, we can not tell if the requirements are satisfied.

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