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4 years ago

7

list three different ways to write 5 (with an exponents of 11) as the product of two powers. explain why all three of you expres

sions are equal to 5 with an exponent of 11...

2 answers:

Lady bird [3.3K]4 years ago

7 0

Ok i got it its 5^1 5^3 5^8 and 5^10 lol yw

balu736 [363]4 years ago

5 0

when multiplying a number to a power, you add the powers.

for example 5^3 x 5^8 = 5^11

you can do the same with 2&9, 4&7, 5&6

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Solve for n in the proportion 7/3 = n/21.

erastova [34]

Given ,

7/3 = n/21

We need to find the value of n,

Cross multiplying,we get

3n = 21 x 7

=> 3n = 147

=> n = 147/3

=> n = 49 is the required answer

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1 year ago

For what value of the constant c does the above equation have x = 2 as the only solution?

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$the \: answer \: is \: - 41$

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3 years ago

The weight for crates of apples is normally distributed with a mean weight of 34.6 pounds and a standard deviation of 2.8 pounds

Tatiana [17]

Answer:

42.22% probability that the weight is between 31 and 35 pounds

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:

$\mu = 34.6, \sigma = 2.8$

What is the probability that the weight is between 31 and 35 pounds

This is the pvalue of Z when X = 35 subtracted by the pvalue of Z when X = 31. So

X = 35

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

$Z = \frac{35 - 34.6}{2.8}$

$Z = 0.14$

$Z = 0.14$ has a pvalue of 0.5557

X = 31

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

$Z = \frac{31 - 34.6}{2.8}$

$Z = -1.11$

$Z = -1.11$ has a pvalue of 0.1335

0.5557 - 0.1335 = 0.4222

42.22% probability that the weight is between 31 and 35 pounds

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3 years ago

sdas [7]

A scatter plot matrix shows all pairwise scatter plots for many variables. If the variables tend to increase and decrease together, the association is positive. If one variable tends to increase as the other decreases, the association is negative, I hope this helps

8 0

3 years ago

What is the value of x to the nearest tenth? <br> <br><br> A. 9.7 B. 8.1 C. 5.9 D. 7.9

8090 [49]

Use the Pythagorean theorem. The equation for this right triangle would be a^2+b^2=c^2. Since you have one leg and the hypotenuse, you can plug these into the equation. It would be 7^2+b^2=12^2. Do the exponents. You will get 49+b^2=144. You need to get b by itself so subtract each side by 49. You get the equation b^2=95. Square root each side to get b=9.746. This rounds to 9.7. So the answer is A. Hope this helps! ;)

7 0

3 years ago

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