3 years ago

Last year, 120 students were sick at school. This year, 20% fewer students are sick. How many students are sick this year?

Mathematics

1 answer:

Ghella [55]3 years ago

8 0

Answer:

Step-by-step explanation:

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The sum of two numbers is 58. If their difference is 28, find both numbers

Alina [70]

Answer:

the numbers are 43 and 15

Step-by-step explanation:

Let the numbers are x and y

x+y=58

x-y=28

from that two equations,

2x=86

x=43

substitute x value in any equation we will get ,

y=15

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3 years ago

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9- (-4) =<br> 14 -9 =<br> (-4) - (-5) =<br> -7 - 9 =

AlekseyPX

Answer:

Step-by-step explanation:

9 + 4 = 13 Two minus' make a plus

14-9 = 5 this is just subtraction

-4 + 5 = 1 two minus's make a plus.

-7-9 = -16

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3 years ago

Round 0.00076511 to one significant figure

FrozenT [24]

Answer: 0.0008

Step-by-step explanation: Hope this helps :)

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Use a rectangular array to write the product in Standard form 2(x+10=?

Sladkaya [172]

Hello there!

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See the attached picture for the answer!

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John took 45 minutes to bicycle to his grandmother's house, a total of four kilometers. what was his velocity in km/hr?

Marina CMI [18]

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