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Novay_Z [31]
3 years ago
5

Ruby ate 1/3 (fraction) of a pizza, and Angie ate 1/5 (fraction) of the pizza. How much pizza did they eat in all?

Mathematics
1 answer:
Gnom [1K]3 years ago
3 0
Ruby and Angie ate 8/15 of the pizza all together
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Perform the indicated operation<br>7+9+(4)<br>20<br>20<br>O12<br>O-12​
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The answer would be 20.

How?

7 + 9 = 16

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Last Saturday jay spent 6 hours playing games,studying, and talking with friends. He spent 2/5 of the time playing and 1/2 of th
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When Klorina swims with the current, she swims 10 km in 2 h. Against the current, she can swim only 8 km in the same time. How f
nasty-shy [4]

Answer:

Klorina's rate in still water is 4.5 km/h

Current's rate is 0.5 km/h

Step-by-step explanation:

Let

x km/h = Klorina's rate in still water

y km/h = current's rate

<u>With the current (current helps):</u>

Distance = 10 km

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<u>Against the current:</u>

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8=2(x-y)

Divide both equations by 2:

x+y=5\\ \\x-y=4

Add these equations:

x+y+x-y=5+4\\ \\2x=9\\ \\x=4.5\ km/h

Subtract these two equations:

(x+y)-(x-y)=5-4\\ \\x+y-x+y=1\\ \\2y=1\\ \\y=0.5\ km/h

4 0
2 years ago
Help please this is for inequality math!! n + 7 &lt; - 3
stealth61 [152]

Answer:

n < -10

Step-by-step explanation:

n+7 < -3

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4 0
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Answer:

Hi there!

I provided the charts down below. Hope this helps! ;)

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