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3 years ago

15

7) f(a)= a - 2; Find f(-9)

2 answers:

slava [35]3 years ago

5 0

Answer: -11

Step-by-step explanation:

-9 -2 = -11

Zolol [24]3 years ago

3 0

Answer:

F(-9)= -9 - 2

F(-9) = -11

Step-by-step explanation:

Plug in -9 for x and solve :^)

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Find the amount of interest earned on $5,000 at 15% compounded annually for 10 years. (Round your answer to the nearest dollar.)

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3 years ago

A thermometer gives a reading of 26 degrees Celsius. Use the formula c =5/9(f-32). Write the inverse function and use it to find

guajiro [1.7K]

Answer:

The answer to your question is F = 78.8

Step-by-step explanation:

Equation

$C = \frac{5}{9} (F - 32)$

Multiply both sides by 9

$9C = \frac{5(9)}{9} (F - 32)$

Simplify

$9C = 5(F - 32)$

Divide both sides by 5

$\frac{9}{5} C = \frac{5}{5} (F - 32)$

Simplify

$\frac{9}{5} C = F -32$

Add 32 in both sides

$\frac{9}{5} C + 32 = F - 32 + 32$

Simplify (Inverse)

$\frac{9}{5} C + 32 = F$

Substitute to find F

$\frac{9}{5} (26) + 32 = F$

Simplify

F = 46.8 + 32

Result

F = 78.8

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Step-by-step explanation:

i think this is right

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