3 years ago

What could be a word problem that could be modeled by the equation 12x+9=45?

Mathematics

1 answer:

Lelu [443]3 years ago

6 0

Answer:

x = 3

Step-by-step explanation:12x+9=45

Subtract 9 from both sides

12x=36

Divide both sides by 12

x=3

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Flauer [41]

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3 years ago

Macie Andersen earns $9.75 an hour working at the local bookstore. Last week she worked 17 hours. This week she worked 25 hours.

vovangra [49]

Answer:

$407.50

Step-by-step explanation:

take 9.75 × 17=165.75

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3 years ago

Find the inverse function (on the given interval, if specified)

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Step-by-step explanation:

f(x) = x² + 1, where x >= 0.

Let y be f(x).

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=> x² = y - 1

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2 years ago

HELP ME QUICK PLSSS (BTW DUE TODAY!)

joja [24]

Answer:

Part A: He can use distance formula. The formula is: $d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}$

Part B: 41.63 (rounded to nearest hundredth)

Step-by-step explanation:

Plug this into the formula. First, subtract the numbers in the parentheses. Then, square them. Add those totals together. Lastly, take the square root using a calculator.

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3 years ago

Let f(x) = x2 + x + 2 and g(x) = 2x2 + 5. Find f(g(x)). Show each step of your work

pochemuha

Answer:

idk hbu

Step-by-step explanation:

7 0

3 years ago