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2 years ago

A bookstore with 18 copies of a book sold 5/6 of the books

Mathematics

1 answer:

Irina18 [472]2 years ago

5 0

5/6 of 18 is 15 books.

5/6 x 18

90/6=15

15 books sold

18-15=3

3 books remain.

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Which equation represents a line that passes through (-2, 4) and has a slope of 1/2?

jok3333 [9.3K]

Answer:

$\large\boxed{y-4=\dfrac{1}{2}(x+2)\text{- point-slope form}}\\\boxed{y=\dfrac{1}{2}x+5\text{- slope-intercept form}}$

Step-by-step explanation:

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)$

m - slope

We have the slope $m=\dfrac{1}{2}$ and the point $(-2, 4)$ .

Substitute:

$y-4=\dfrac{1}{2}(x-(-2))$

$y-4=\dfrac{1}{2}(x+2)$ - point-slope form

Convert to the slope-intercept form (y = mx + b):

$y-4=\dfrac{1}{2}(x+2)$ <em> use the distributive property</em>

$y-4=\dfrac{1}{2}x+1$ <em>add 4 to both sides</em>

$y=\dfrac{1}{2}x+5$ - slope-intercept form

3 0

2 years ago

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11Alexandr11 [23.1K]

It will be identical, this will explain it https://www.wyzant.com/resources/answers/165599/how_many_degrees_can_a_regular_pentagon_be_rotated_a...

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3 years ago

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Anna71 [15]

Answer:

i belive its A $15

Step-by-step explanation:

if $3 is 20% and we are trying to find the full 100% then you miltiply 3 by 5 since 20 times 5 equals 100 and when you multiply 3 by 5 you get 15 dollars which is 100 percent of the iteam meaning the regular price.

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2 years ago

1 1/4 - 1/3 = 15/24 - ??

ivolga24 [154]

Answer

It is 11/12

hope im not late i hope it helps

Step-by-step explanation:

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The correct answer is 6. APEX

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3 years ago

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