3 years ago

When are brackets used in a expression?

1 answer:

3 0

When brackets are used in a expression its most likely there and there's parenthesis inside of the brackets. Hope this helps. :|

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If gumballs cost 150 a bag ,and there 15!gumballs in each bag much do you need to charge for each gumball in order to make money

pshichka [43]

More than 10 a gumball.

150 divided by 15 is 10, which would be the price you bought for. If you want to make more money, you must at least have a surge pricing of 10 unit prices per gumball.

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9 more than 2 multiplied by f

Andrej [43]

(2+9)*f
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In triangle PQR, the angles are in the ratio 2 : 3 : 4. Find all the angles (urgent)

zvonat [6]

Answer:

40°, 60° and 80°

Step-by-step explanation:

sum the parts of the ratio, 2 + 3 + 4 = 9 parts

Divide 180° ( sum of angles in a triangle) by 9 to find the value of one part of the ratio.

180° ÷ 9 = 20° ← value of 1 part of the ratio , then

2 parts = 2 × 20° = 40°

3 parts = 3 × 20° = 60°

4 parts = 4 × 20° = 80°

The angles in the triangle are 40°, 60°, 80°

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2 years ago

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Answer:

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poizon [28]

Step-by-step explanation:

i think its letter B the answer

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