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Svetllana [295]
3 years ago
11

Please help me 1,2,3 or 4 need ASAP.

Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0
The answer is 2) 2x^2+7x-13. Hope this helps <3
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The ratio of students who play musical instruments to students who play sports is 3:20. if there are 40 students who play sports
melomori [17]

Based on the ratio, 6 students play musical instruments.

The mentioned problem can be solved using the concept of ratio and proportion. We will equate the two ratio. Let us assume the number of students who play musical instruments be x.

Forming the equation -

3 : 20 = x : 40

Rewriting the equation with respect to x

x = (40 × 3) ÷ 20

Performing multiplication and division on Right Hand Side of the equation

x = 120 ÷ 20

Performing division on Right Hand Side of the equation

x = 6

Therefore, 6 students play musical instruments.

Learn more about ratio and proportion -

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1 year ago
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Aleks04 [339]

Answer:

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Step-by-step explanation:

TWO PLUS TWO = four

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1,317

Step-by-step explanation:

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A student is studying a digital diagram of a fish. The diagram shows that the fish has a cartilaginous skeleton, a jaw, scales,
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