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Alexeev081 [22]
3 years ago
12

Can someone please help me with this it’s a test

Mathematics
1 answer:
posledela3 years ago
8 0

Answer:

on the app store download the app called mathaway enter the thingys and itll give u your answer

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The price of a sweater was reduced from $20 to $12, By what percentage was the price of the sweater reduced?
zalisa [80]

Answer:

40%

Step-by-step explanation:

12 ÷ 20 = .6

You can convert the .6 to a percentage by multiplying it:

.6 x 100 = 60%

If 12 is 60% of 20, then that means 40% was taken away.

4 0
3 years ago
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I’m so bad at this pls-
dolphi86 [110]

Answer:

5 \sqrt{2}

Step-by-step explanation:

\sqrt{5}  \times  \sqrt{10}  \\  =  \sqrt{5}  \times  \sqrt[]{5}  \times  \sqrt{2}  \\   = 5\sqrt{2}

<h3>Hope it is helpful....</h3>
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3 years ago
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5

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2 years ago
7+n=−5 18=−3y−6 3/5x=18
Keith_Richards [23]

Answer:

1) n=-12

2) y=-8

3) x= 1/30

Step-by-step explanation:

1) 7+n=-5

7+n-7=-5-7

n=-12

2) 18=-3y-6

  -3y-6=18

 -3y-6+6=18+6

 -3y=24

 -3y/-3 = 24/-3

      y= -8

3) 3/5x=18

   3/15 X 5x= 18 X 5x

        3=90x

    90x/90= 3/90

        x= 1/30

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2 years ago
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A scientist is experimenting with bacteria in his laboratory He starts out with 3 bacteria
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