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Goryan [66]
3 years ago
9

If x and y vary directly and x= 60 when y=5, what is the value of y when x=36?

Mathematics
1 answer:
Nikolay [14]3 years ago
8 0

Answer:

12

Step-by-step explanation:

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A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a coll
xxMikexx [17]

Answer: D

H0: μ=522

H1: μ>522

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

So, for this case;

The null hypothesis is that the mean score equals to 522

H0: μ=522

The alternative hypothesis is that the mean score is greater than 522.

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3 years ago
Which of the following results in the difference of two squares? (answer choices below)
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Answer:

A

Step-by-step explanation:

Use signs inside the brackets as a guide

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3 years ago
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(x^2+1)(x+2)(x −2)

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Write a variable expression for 9 more than a number s.
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S+9

More than suggests addition.
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