3 years ago

Okay... i know its a lot 2 ask but i really need help w/this papaer....

Mathematics

1 answer:

givi [52]3 years ago

7 0

D and I goes to the red house

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If you purchase something that you do not pay for immediately, you are using? A. assets b. earning power c. credit D. finance ch

Temka [501]

C. Credit

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3 years ago

Solve for x -5(x-4)=-30

Naily [24]

Answer:

-5x + 20 = -30

-5x = 10

x = -2

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Sam ran 2

daser333 [38]

In total he ran 19 miles based off of how the question looks. It looks like I needed to add each number up.

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3 years ago

Pulse rates of women are normally distributed with a mean of 77.5 beats per minute and a standard deviation of 11.6 beats per mi

miss Akunina [59]

Answer:

Mean = 0, Standard deviation = 1

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 77.5 beats per minute

Standard Deviation, σ = 11.6 beats per minute

We are given that the distribution of pulse rates of women is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

Putting the values, we get,

$z_{score} = \displaystyle\frac{x-77.5}{11.6}$

After, the standardization, that is conversion of all pulse rates of women to z scores, the mean of the distribution is 0 and standard deviation is 1.

Mean = 0, Standard deviation = 1

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3 years ago

Solve 5x − 4 = 7 for x using the change of base formula log base b of y equals log y over log b.

Sauron [17]

Answer:

5.209 or A

Step-by-step explanation

5^x-4=7

reserve 4

log sides

x-4 log5 and log7

x-4=log7/log5

+4 or number of your equation

x=log5/log7 +4

use calculator

get answer

5.209

EDIT: Got a 100 on the test this is correct

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3 years ago