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3 years ago

What is 30% of $15.00 ?

Mathematics

2 answers:

xenn [34]3 years ago

6 0

Answer:

4.5

Good luck!!

Brilliant_brown [7]3 years ago

3 0

15.00 divided by 0.30 is 4.5

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MaRussiya [10]

Answer:

Hello! answer: 105.5

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75 + 18 + 12.5 = 105.5

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3 years ago

A classroom board is 24 inches wide and 18 inches tall, Koda

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3 years ago

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3 years ago

The reciprocal of 5 3/7 is 5 7/3 true or false

Anna007 [38]

Howdy there! :D The answer to your question is True because reciprocal means the denominator and numerator and flipped like 2/4 and 4/2.

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3 years ago

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