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3 years ago

Which of the following is the most appropriate unit to describe the rate at which water flows over niagra falls?

1 answer:

6 0

Billion gallons per day, because the independent quantity is volume of water in billion gallons and dependent quantity is time in days.

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Raportul a doua catete ale unui triunghi dreptunghic este de 3 supra 7,iar inaltimea este de 42cm.Aflati inaltimea,catetele,ipot

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Answer:

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Step-by-step explanation:

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3 years ago

would a field with a width 75 yards and an area of 7500 square yards be within FIFA regulation?why or why not.

worty [1.4K]

Im not really sure but i thinki think it is

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3 years ago

The North Star is approximately 4,085 trillion kilometers away from earth. If 1 light

kumpel [21]

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I don't get the question meaning

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3 years ago

Amy has completed 21 deliveries so far this week.she needs to make 60 deliveries for the week.what percentage of her deliveries

Nonamiya [84]

Answer:

65% to go or 35% already delivered

Step-by-step explanation:

Amy has completed 35% of her deliveries since 21/60 is .35

If the question is how much she has left, Amy needs to complete 65% more of her deliveries.

If the question is how much she has completed, she has delivered 35% of her deliveries.

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2 years ago

Suppose there are two circles where the radius of one circle is twice the radius of the other circle. Each circle has an arc whe

Artemon [7]

Answer:

$L=2l$ where $l,L$ denote arc lengths of two circles

Step-by-step explanation:

Let $l,L$ denote arc lengths of two circles, $r,R$ denote corresponding radii and

$\alpha _1\,,\alpha _2$ denote the corresponding central angles.

So,

$l=r\alpha _1$ and $L=R\alpha _2$

This implies $\alpha _1=\frac{l}{r}$ and $\alpha _2=\frac{L}{R}$

As each circle has an arc where the measures of the corresponding central angles are the same, $\alpha _1=\alpha _2$

$\frac{l}{r}=\frac{L}{R}$

As radius of one circle is twice the radius of the other circle,

$R=2r$

$\frac{l}{r}=\frac{L}{2r}\\\frac{l}{1} =\frac{L}{2}\\L=2l$

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2 years ago