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Oksi-84 [34.3K]
2 years ago
6

Two communications companies offer calling plans. With Company X, it costs 30¢ to connect and

Mathematics
1 answer:
sesenic [268]2 years ago
7 0

Answer:

D

Step-by-step explanation:

      you can model the amount that each phone plan will cost after n    minutes with these linear equations

                company X: 30 + 5n

                company Y: 20 + 4n

if you subtract the functions you can get the function for the

30 + 5n - ( 20 + 4n )

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You invest $850 into a stock market fund, which grows at a rate of approximately 4% each year. Write an equation that can be use
SCORPION-xisa [38]

We have been given that you invest $850 into a stock market fund, which grows at a rate of approximately 4% each year. We are asked to write an equation that can be used to calculate the amount of money in the fund after x years.

We will use exponential growth formula to solve our given problem.

An exponential function is in form y=a\cdot (1+r)^x, where,

y = Final amount,

a = Initial amount,

r = Growth rate in decimal form,

x = Time.

Let us convert 4% into decimal.

4\%=\frac{4}{100}=0.04.

We have a=840 and r=0.04, so our equation would be:

y=850\cdot (1+0.04)^x

y=850\cdot (1.04)^x

Therefore, the equation y=850\cdot (1.04)^x can be used to calculate the amount of money in the fund after x years.

8 0
3 years ago
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Rudik [331]
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4 0
3 years ago
Find the missing side length.
andrew11 [14]
So first of all you know that one side is 14cm and the other side is 6cm

What you would do is: 14-6=???







Your answer should be: 8cm
5 0
2 years ago
Quick Question
omeli [17]

Answer:

1 * 10^12

Step-by-step explanation:

Scientific notation is a representation of a large number in a short form. The answer, 1*10^12 (read as ten to the twelfth power) essentially says that the number when expanded is 1 with 12 zeros appended to it. If you did a number like 7 trillion you would have 7 * 10^12.

Same thing can be applied for 1,000,000 (one million).

1 * 10^6 because one million has 6 zeros appended to it.

5 0
2 years ago
Which of the following is most likely to bra relative maximum for this graph?
Inessa [10]

Answer:

(-1,8)

Step-by-step explanation:

Look at the top point of the parabola type thing. I know that it's not a parabola, but IDRK how else to describe it. If you see the top point at one of the answers, it is most likely correct.

4 0
2 years ago
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