3 years ago

HELP WILL MARK BRAINLIEST 20 POINTS!!

Mathematics

1 answer:

Vinil7 [7]3 years ago

8 0

8/8 I’m pretty that what is it

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What is the slope of the line that passes through the points (17,-15) and (-23, 10)?

Ivahew [28]

Answer:

-5/8

Step-by-step explanation:

10-(-15)/-23-17=-5/8

Hope this helps and can you give me brainliest!

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2 years ago

1700000000 nm in scientific notation

OLEGan [10]

The answer is 1.7 x 10 to the power of 9

hope this helps

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3 years ago

75 24 by 6 =<br>75 is in power of zero while 24 is in power of 1<br>a) 12 43 b) 13 82 C) 24 72

zzz [600]

Answer:

hey is 74^0 is multiply by 24^0 and both of these are divided by 6

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3 years ago

Kenji deposited $10 in a savings account earning 10% interest, compounded annually.

postnew [5]

0.3 so yea i guess....

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2 years ago

Read 2 more answers

The variable y is calculated by multiplying the variable of x by 2. There is a third variable (variable z), and it is known that

juin [17]

Answer:

The correlation between two variables, let's say A and B, is given by:

$r(A.B) = \frac{ \sum{A*B}}{ \sqrt{\sum{A^2}* \sum{B^2}}}$

In our case, we know that:

y = 2*x

And:

r(X, Z) = 0.45

Then:

Now we want to find:

r(Y, Z)

Let's start with r(X, Z)

We know that:

X = Y/2

Then we can replace that in the correlation equation:

$r(X.Z) = \frac{ \sum{X*Z}}{ \sqrt{\sum{X^2}* \sum{Z^2}}} = 0.45 \\$

$r(Y/2.Z) = \frac{ \sum{(Y/2)*Z}}{ \sqrt{\sum{(Y/2)^2}* \sum{Z^2}}} = 0.45 \\$

$r(Y/2, Z) = \frac{ (1/2)*\sum{Y*Z}}{\sqrt{ (1/4)\sum{(Y)^2}* \sum{Z^2}}} = \frac{ \sum{(Y)*Z}}{ \sqrt{\sum{(Y)^2}* \sum{Z^2}}} = 0.45$

And in the third part, we have r(Y,Z), then:

$r(Y, Z) = \frac{\sum{Y*Z}}{\sqrt{\sum{Y^2}*\sum{Z^2}}} = 0.45$

The correlation of z with y is 0.45

3 0

2 years ago