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3 years ago

Express in simplest radical form.

Mathematics

1 answer:

Alex787 [66]3 years ago

8 0

3√7 would be the simplest radical form

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Noah was assigned to mame 64 cookies for a bake sale. He made 125% of that number. 90% of the cookies he made were sold. How man

pychu [463]

Answer:

Step-by-step explanation:

Noah made 125% of cookies he was asked to make.

64(required) * 1.25=80 cookies he made.

He sold 90% of the 80 cookies

80*.9=72. 8 cookies left over

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3 years ago

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Karen leaves her house on her bicycle traveling 19 kilometers per hour. Marcos

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It will take him 30-45 minutes to catch up with her. Hope I could help! :)

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3 years ago

Can someone help me with this

Alexxandr [17]

Answer:

Line 1: -2

Line 2: 2

Line 3: 2

Line 1 & 2 is parallel.

Line 2 & 3 is neither.

Step-by-step explanation:

To find the slope of a line use the slope formula and substitute the points into it:

Line 1

$m = \frac{y_2-y_1}{x_2-x_1} =\frac{2--2}{0-2} =\frac{2+2}{-2} =\frac{4}{-2}=-2$

Line 2

$m = \frac{y_2-y_1}{x_2-x_1} =\frac{-5--1}{1--1} =\frac{-5+1}{1+1} =\frac{-4}{2}= -2$

Line 3

$m = \frac{y_2-y_1}{x_2-x_1} =\frac{0--4}{-3--5} =\frac{0+4}{-3+5} =\frac{4}{2}=2$

Parallel lines have the same slope and perpendicular lines have negative reciprocal slopes.

Line 1 & 2 is parallel.

Line 2 & 3 is neither.

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3 years ago

What is 15/21 - 5/7 =

charle [14.2K]

Answer:

Step-by-step explanation:

ok so first we have to make those denominators equal

15/21 - 15/21

that pretty much answered your question

15/21 - 5/7 = 0

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3r-(r+0.47)=3.13 solve for r

IRISSAK [1]

Answer:

r=1.8

Step-by-step explanation:

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