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2 years ago

Is the gcf of any two odd numbers always odd?

Mathematics

1 answer:

liberstina [14]2 years ago

7 0

Yes the greatest common factor of odd numbers will always be odd

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If (6 to the second power )x = 1 what is the value of x? Explain your answer.

Kaylis [27]

Answer:

x=1/36

Step-by-step explanation:

$(6^{2} )x=1\\\\36x=1\\\\\frac{36x}{36}=\frac{1}{36}\\\\x=\frac{1}{36}$

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3 years ago

The first term of an arithmetic sequence is -5, and the tenth term is 13. find the common difference

Vilka [71]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

Amanda is practicing her dives off the diving board. When she dives into the water, the path her body makes and where she resurf

Vilka [71]

Answer:

The number of feet she will travel back is 1 or 7 feet

Step-by-step explanation:

Here, we need to solve the quadratic equation

That will be as follows;

0 = x^2 -8x + 7

x^2-x-7x+ 7 = 0

x(x-1)-7(x-1) = 0

(x-1)(x-7) = 0

x = 1 or 7

The number of feet she will travel before coming back to the surface of the water is 1 or 7 feet

6 0

2 years ago

How do you factor this expression by dividing by the GCF first. 15c-25

chubhunter [2.5K]

15c-25
15c=25
your answer is c=13.5

4 0

3 years ago

According to the College Board website, the scores on the math part of the SAT (SAT-M) in a recent year had a mean of 507 and st

Leviafan [203]

Answer:

The actual SAT-M score marking the 98th percentile is 735.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 507, \sigma = 111$

Find the actual SAT-M score marking the 98th percentile

This is X when Z has a pvalue of 0.98. So it is X when Z = 2.054. So

$Z = \frac{X - \mu}{\sigma}$

$2.054 = \frac{X - 507}{111}$

$X - 507 = 2.054*111$

$X = 735$

8 0

2 years ago