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Anuta_ua [19.1K]

3 years ago

8

Would it still be 3.19? Because you don't need to round to 3.20 because 3.192 <--- the 2 won't do anything.. If it's 5 or hig

her than you could round

1 answer:

Leviafan [203]3 years ago

7 0

Yes, remember this 4 or less let it rest, 5 or more let it soar.

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Beth is making fruit salad. She adds 3 grapes for every 2 strawberries. If she uses 12 strawberries, how many grapes will she us

Diano4ka-milaya [45]

The answer is 18. she will use 18 grapes.

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3 years ago

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The question is what is other equation to find 16-9

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Its 9-1 so that would be 8 idk if you are right just noticed and though it would help

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3 years ago

Find the slope of the line that goes through the given points.<br> (-10,5) and (-7, - 10)

Mnenie [13.5K]

Answer:

-5

Step-by-step explanation:

Slope is y2-y1/ x2-x1. So -10 -5/ -7 +10 = -15/3. Then you simplify that to -5

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3 years ago

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Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a certain tank i

jeka94

Let $a,b,c$ be the time it takes for pumps A, B, and C (respectively) to fill 1 tank. Then

$\begin{cases}\dfrac1a+\dfrac1b=\dfrac1{\frac65}=\dfrac56\\\\\dfrac1a+\dfrac1c=\dfrac1{\frac32}=\dfrac23\\\\\dfrac1b+\dfrac1c=\dfrac12\end{cases}$

Now,

$\left(\dfrac1a+\dfrac1b\right)-\left(\dfrac1a+\dfrac1c\right)=\dfrac56-\dfrac23\implies\dfrac1b-\dfrac1c=\dfrac16$

Then

$\left(\dfrac1b+\dfrac1c\right)+\left(\dfrac1b-\dfrac1c\right)=\dfrac12+\dfrac16\implies\dfrac2b=\dfrac23\implies b=3$

This means

$\dfrac1a+\dfrac13=\dfrac56\implies\dfrac1a=\dfrac12\implies a=2$

and

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Working together, all 3 pumps would operate at a rate of

$\dfrac1a+\dfrac1b+\dfrac1c=1$

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8 0

3 years ago

50 didved by what will get 5,000

DENIUS [597]

Answer:

0.01

Step-by-step explanation:

Your equation is 50 / x = 5,000

You are able to switch this around to 50 / 5,000 = x

Because you know that a x b = c is the same as b x a = c

When you divide 50 by 5,000, you get 0.01

So, 50 divided by 0.01 will get 5,000

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3 years ago

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