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Dovator [93]
3 years ago
5

A Web music store offers two versions of a popular song. The size of the standard version is

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0
2.4x+4.7(4x)=5936
Solve for x
X=280 standard version

4×280=1,120 high-quality version
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A house repair costs 5000 for materials and 200 per hour. Write an equation for the cost c as a function of the hours worked, t
Crank
The answer for this would be
C = 5000 + 200t
4 0
3 years ago
Find one value of x for which f(x)=1 and find f(-2)
loris [4]

Step-by-step explanation:

f(x) = 1

f(-2) = 1

Constan function f(n) = k, n and k elemen real

3 0
2 years ago
If f(x)= x^-2, and g(x)=3x-1 whats the domain of f(g(x))?
andrey2020 [161]
4 and 7 and 8 and 9 and10
5 0
3 years ago
Oliver has 3 times as many rocks in his collection as Katie. Then Oliver collected 75 more rocks and Katie collected 105 more ro
Evgesh-ka [11]

Answer:

The answer to your question is Katie had 15 rocks and Oliver 45 rocks.

Step-by-step explanation:

Conditions

Katie has x amount of rocks

Oliver has 3x amount of rocks

The final amount of rocks

                                    Oliver = 3x + 75

                                     Katie = x + 105

Now, they have the same amount of rocks, then we can equal both equations

                                   3x + 75 = x + 105

Solve for x

                                     3x - x = 105 - 75

                                           2x = 30

                                             x = 30/2

                                             x = 15

Conclusions

At first Katie had 15 rocks and Oliver had 3(15) = 45 rocks

5 0
3 years ago
Read 2 more answers
A large tank holds 1.9 x 10^7 gallons of oil. How much oil can be stored in 9 tanks. Write your answer in scientific notation.
bearhunter [10]

Answer:

1.71 × 10^8 gallons

Step-by-step explanation:

1.9 × 10^7 = 19,000,000

19,000,000 × 9 = 171,000,000

171,000,000 in scientific notation is 1.71 × 10^8

5 0
3 years ago
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