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3 years ago

What is the ratio of 8 to 8

Mathematics

2 answers:

Andreyy893 years ago

7 0

Answer:

1:1

Step-by-step explanation:

A ratio says that "for every _ of this quantity, you have _ of another quantity". This is just saying for every 8 of one thing, you have 8 of another. And then you can simplify, just like a fraction.

Karolina [17]3 years ago

3 0

Answer:

1 to 1

Step-by-step explanation:

8 to 8 = 8:8 = 8/8

You can treat a ratio as a fraction. Reduce the fraction 8/8 by dividing the numerator and denominator by 8.

8/8 = 1/1

8 to 8 = 1 to 1

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An insurance company pays claims for bills from a physical therapist as follows: They take the actual bill, reduce it by 15% and

Nat2105 [25]

The percent of the original claim that they actually pay is 42.5%.

<h3>How to calculate the percentage?</h3>

From the information given, the insurance company pays claims for bills from a physical therapist as follows: They take the actual bill, reduce it by 15% and then they pay 50% of the remaining amount.

This will be:

= 0.5(1 - 0.15)

= 0.5 × 0.85

= 0.425

= 42.5%

Therefore, the percent of the original claim that they actually pay is 42.5%.

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2 years ago

Choose all of the following angles that cannot

LiRa [457]

Answer:

40 45 because the minimum internal angle is 60

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2 years ago

26. Students who take a statistics course are given a pre-test on the concepts and skills for the first chapter of a statistics

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The test statistic value lies to the right of the critical value. So we have sufficient evidence to reject the null hypothesis.

<h3>What are null hypotheses and alternative hypotheses?</h3>

In null hypotheses, there is no relationship between the two phenomenons under the assumption or it is not associated with the group. And in alternative hypotheses, there is a relationship between the two chosen unknowns.

Students who take a statistics course are given a pre-test on the concepts and skills for the first chapter of a statistics course.

Then they are given a post-test once the professor has concluded lecturing on the material.

Pre-test and post-test scores for 4 students in an elementary statistics class are given below.

Then we have

$\mu _d = \mu _{post} - \mu _{pre}$

Then the null hypotheses and alternative hypotheses will be

H₀: $\mu _d = 0$

Hₐ: $\mu _d > 0$

Then the test statistic will be

$\rm \overline{x} _d = \dfrac{\Sigma x_d}{n} = \dfrac{15+12+10+1}{4}\\\\\overline{x} _d = 9.5$

Then

$\rm S_d = 6.02$

The test statistic value is given by

$\rm t = \dfrac{\overline{x} _d }{\dfrac{S_d}{\sqrtn}} \\\\t = \dfrac{9.5}{\dfrac{6.02}{\sqrt4}}\\\\t = 3.16$

Since this is a right-tailed test, so the critical value is given by

$\rm t_{n-1}(\alpha ) = t_3 (0.05) = 2.353$

Since the test statistic value lies to the right of the critical value. So we have sufficient evidence to reject the null hypothesis.

Hence, we can conclude that $\mu _d > 0$ that is test scores have improved.

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7 0

2 years ago

4 in.

Nikitich [7]

Answer:

64in

Step-by-step explanation:

for a four sided figure, you do base x height. volume isn't squared in Math.

5 0

3 years ago

Caleb bought stock in a company two years ago that was worth xx dollars. During the first year that he owned the stock, it incre

Hunter-Best [27]

Answer:

1.2144xx

Step-by-step explanation:

The multiplier of value for the first year was (1 +38%) = 1.38.

The multiplier of value for the second year was (1 -12%) = 0.88.

Then the multiplier of value for the two years was ...

1.38×0.88 = 1.2144

The value of the stock after 2 years was ...

1.2144xx

_____

<em>Comment on the variable</em>

We have used the variable given in the problem statement (xx). If you intend something different, replace xx with the variable you intend.

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3 years ago