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4 years ago

What is the answer to 5(3m+2)

Mathematics

2 answers:

SVEN [57.7K]4 years ago

7 0

Answer:

15m+10

Step-by-step explanation:

By using the distributive property, 5 times 3m would give you 15m, and 5 times 2 would give you 10

Fiesta28 [93]4 years ago

4 0

You’re answer would be 15m + 10 love!

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3 years ago

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Which table represents a function? HURRY PLEASE!!!

Likurg_2 [28]

Answer:

The first table

Step-by-step explanation:

A function can only have one corresponding y coordinate per x coordinate

4 0

3 years ago

Find the value of X:

pantera1 [17]

Answer:

x=9

Step-by-step explanation:

I took one side, and made proportions:

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3:4

so, x-1:6=3:4

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3 years ago

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Use linear regression to find the equation for the linear function that best fits this data. Round both numbers to two decimal p

natta225 [31]

Answer:

The equation of the linear function that best fits the data is,

y = 18.66x + 66.87.

Step-by-step explanation:

The line of best is of the form: y = mx + b.

Here, m = slope of the line and b = intercept.

The formula to compute the intercept and slope are:

$b=\frac{\sum Y.\sum X^{2}-\sum X.\sum XY}{n.\sum X^{2}-(\sum X)^{2}}$

$m=\frac{n.\sum XY-\sum X.\sum Y}{n.\sum X^{2}-(\sum X)^{2}}$

Consider the table below for the values of ∑ X, ∑ Y, ∑ X² and ∑ XY.

Compute the value of intercept and slope as follows:

$b=\frac{\sum Y.\sum X^{2}-\sum X.\sum XY}{n.\sum X^{2}-(\sum X)^{2}}=\frac{(793\times91)-(21\times3102)}{(6\times91)-(21)^{2}} =66.867$

$m=\frac{n.\sum XY-\sum X.\sum Y}{n.\sum X^{2}-(\sum X)^{2}}=\frac{(6\times3102)-(21\times793)}{(6\times91)- (21)^{2}} =18.657$

The line of best fit is:

$y=mx+b\\y=18.657x+66.867\\y=18.66x+66.87$

Thus, the equation of the linear function that best fits the data is y = 18.66x + 66.87.

3 0

3 years ago

.......................

vlada-n [284]

Hey there! :D

Let's keep the fraction 5/7 in mind. We should be able to reduce everything to 5/7.

15:21 (divide both by 3) you get 5:7. That is equivalent.

10 to 14. Divide both by 2. 5 to 7. That is equivalent.

The correct answer is 28/20. That is not equivalent.

I hope this helps!
~kaikers

4 0

3 years ago