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2 years ago

Will get brainily sign if you get it correct with explanation!!!!!

Mathematics

1 answer:

yKpoI14uk [10]2 years ago

4 0

Answer:

$4.50 or $4.5

Step-by-step explanation:

well, this is easy

30% equals to 0.30 right.

we can't divide because if we do then the answer would be 50$ and that's way more money than Jill has.

so your wondering. What do we do?

Well, what's 30% of 15?

It's 4.5

4 dollars and 5 cents that U will have with Jill.

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What is 1 1/2 x 2 1/4

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Answer:

28.875

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3 years ago

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3 years ago

Question 101 points)

maw [93]

Answer:

$\large\boxed{y=-\dfrac{2}{3}x+\dfrac{13}{3}}$

Step-by-step explanation:

$\text{The slope-intercept form of an equation of a line:}\\\\y=mx+b\\\\m-slope\\b-y-intercept\\\\\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\===============================$

$\text{We have the point:}\\\\(5,\ 1)\ \text{and}\ (-4,\ 7).\ \text{Substitute:}\\\\m=\dfrac{7-1}{-4-5}=\dfrac{6}{-9}=-\dfrac{6:3}{9:3}=-\dfrac{2}{3}\\\\\text{We have the equation in form:}\\\\y=-\dfrac{2}{3}x+b\\\\\text{Put the coordinates of the point (5, 1) to the equation:}\\\\1=-\dfrac{2}{3}(5)+b\\\\1=-\dfrac{10}{3}+b\qquad\text{add}\ \dfrac{10}{3}\ \text{to the both sides}\\\\\dfrac{3}{3}+\dfrac{10}{3}=b\to b=\dfrac{13}{3}\\\\\text{Finally:}\\\\y=-\dfrac{2}{3}x+\dfrac{13}{3}$

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3 years ago

Which is bigger? 1.27 or 1 1/3?

uranmaximum [27]

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