2 years ago

Are the slopes 1/4 and -1/4 parallel, perpendicular, or neither?

Mathematics

1 answer:

anyanavicka [17]2 years ago

6 0

-1/4 is not = -1 / 1/4 ( its = -4) so its neither .

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Jessica fills a cube shaped tank that has an edge of 70 cm with water from a tap. Water flows into the tank at a rate of 7L per

daser333 [38]

The volume of the tank is (70 cm)³ = 343,000 cm³.

Now,

1 mL = 1 cm³

1 L = 1000 mL

so we convert the given rate to

$\dfrac{7\,\rm L}{1\,\rm min} \cdot \dfrac{1000\,\rm mL}{1\,\rm L} \cdot \dfrac{1\,\mathrm{cm}^3}{1\,\rm mL} = \dfrac{7000\,\mathrm{cm}^3}{1\,\rm min}$

Then the time it will take to fill up the tank is

$343,000\,\mathrm{cm}^3 \cdot \dfrac{1\,\rm min}{7000\,\mathrm{cm}^3} = \boxed{49\,\rm min}$

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1 year ago

Which of the following best defines a postulate

Mrrafil [7]

A postulate is a statement in math that is so obvious that it does not need to be proven, that is basically what it means, in layman's terms

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3 years ago

15 is 9 than j what is j in this question

marysya [2.9K]

Answer:

Step-by-step explanation:

15 is 9 more hence you subtract 9 from15

Hope this helps

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2 years ago

Whats the answer to this?

Tcecarenko [31]

I think that B is the most logical answer.

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3 years ago

Multiply 5(−37). Simplify your answer.

crimeas [40]

-2 1/7 is the correct answer.

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3 years ago

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