MATHEMATICS MIDDLE SCHOOL

14. According to a recent government study, the average 15-year-old male gets 11.4% of his daily caloric intake from sugar drinks.If that 15-year-old consumes 2,400 calories each day, how many calories come from sugar drinks?

Answers

Answer 1
Answer:

The calories come from sugar drinks = 269.76 calories

Step-by-step explanation:

  • Daily caloric intake from sugar drinks = 11.4%
  • Total calories consumed each day = 2400

Calories come from sugar drinks = 11.4% of 2400

⇒ (11.4/100)*2400

⇒ 11.4*24

⇒ 269.76 calories.

∴ Calories come from sugar drinks is 269.76 calories.

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In ΔNOP, the measure of ∠P=90°, the measure of ∠N=83°, and NO = 83 feet. Find the length of OP

Answers

Answer: Length OP = 82.38 feet

Step-by-step explanation: Given that the ΔNOP, the measure of ∠P=90°, the measure of ∠N=83°, and NO = 83 feet.

We can find the length of OP by using trigonometry ratio since it is a right angle

NO = hypothenus and

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Which math expression represents the phrase?9 times the sum of a number and 7









A.

9 · n + 7








B.

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C.

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D.

9 · (n · 7)

Answers

"The sum of a number and 7"
Sum implies addition.
We would write this part as n + 7.

Then we would write the "9 times" part in like this:
9 · (n + 7)
We can't write just 9 · n + 7 without the parentheses, because then we would be multiplying just 9 and n instead of 9 and the sum of n and 7. (order of operations says we must do multiplication first)

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C.


D.

Answers

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Answers

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