I need hep please help me (math)

Mathematics

1 answer:

RoseWind [281]3 years ago

3 0

Yah its too blurry please take another picture

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in 6th grade, miguel read 15 books. In 7th grade, he read 21 books. What was the percentage change in the number of miguel read

Savatey [412]

Answer:

40%

Step-by-step explanation:

(21-15)/15=0.4

0.4×100=40

5 0

3 years ago

After diving 86 feet below the surface, a diver ascends at 4 feet per minute. After 12 minutes pass, where is the diver located

Gemiola [76]

One possible way:
-86+(4*12)=-38
-86 is the number where the diver is. 86 feet below the surface.
4*12 is the total number of feet he has ascended in 12 minutes.
Because he is ascending, so you add 4*12 (or 48) to -86.
The answer is -38, meaning he's 38 feet below the surface.

The diver is now 38 feet below the surface.

Hope this helps.

7 0

3 years ago

The price of a stock decreased by 60 cents one week, decreased 10 cents the next week, and decreased another 20 cents the follow

mel-nik [20]

Hi there! Hopefully this helps!

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It decreased by 30 cents per week.

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The average rate of change is calculated as:

the ratio of the sum of the change in the three weeks divided by the number of weeks. (The number of weeks being 3)

Rate of change = $\frac{-60 -10 -20}{3}$ .