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Ilya [14]
3 years ago
11

Plllllllllzzzzzzzzzzzzzzzzz helpppp meeeeeeeeeeeeeeeeeee

Mathematics
1 answer:
DochEvi [55]3 years ago
5 0

Step-by-step explanation:

radius(CE)=diameter/2=9

EF=8inch

DE=8/2=4inch

pythagorean theorem:

im right triangle,

a^2+b^2=c^2

4^2+b^2=9^2

16+b^2=81

b^2=81-16

b^2=65

b=√65

√65≈8.06

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Illusion [34]

Answer:

8\%

Step-by-step explanation:

Since question already gives the number of dollars she will tip, I'm assuming it's asking for percent tipped.

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3 years ago
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8 0
3 years ago
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Consider the function f(x) = x3 + 7. What is the inverse of f(x)?
Brrunno [24]

Answer:

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x=y^3+7

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Step-by-step explanation:

7 0
3 years ago
A battery is charged. The percentage of the battery’s capacity that is charged as a function of time (in minutes) is graphed.
igor_vitrenko [27]

Answer:

  A- 12 percent

Step-by-step explanation:

You can see on the graph that the charged percentage of capacity changes from 40 to 50 in 5 minutes. Then the increase in 6 minutes will be slightly more than 10 percent.

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This calculation is consistent with our observation from the graph.

Every 6 minutes, 12 percent is added to the capacity.

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