2 years ago

1. Write an expression equivalent to:

Mathematics

1 answer:

Nataly_w [17]2 years ago

3 0

Example answers:

1) -8x + 66

2) -2(5x+10) -2(-3x+8)

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A bag contains 5 2/5kg of sand. The bag has a hole in it. Every 10 minutes, 1 2/3kg of sand escapes from the bag. After 20 minut

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Quantify of sand in a bag =

$= \: 5 \frac{2}{5} \ \:$

$= \frac{(5 \times 5 +2) }{5}$

$= \frac{27}{5} \: kg$

Quantity of sand that escapes in every 10 minutes :-

$= 1 \frac{2}{3} kg$

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$= \frac{10}{3}$

Quantity of sand that will remain in the sand bag :-

$= \frac{27}{5} - \frac{10}{3}$

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$= \frac{81}{15} - \frac{50}{15}$

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3 years ago

What is 2+2+2-2+87 plz tell me so u would get 100 points

DedPeter [7]

Answer:

The answer is 91.

Step-by-step explanation:

Since 2+2+2=6 and you subtract 2 that would now be 6-2, and that is 4.

87+4=91.

Simply 6-2=4

87+4=91

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2 years ago