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Paraphin [41]
4 years ago
12

If each CD is an average of 45 minutes long. The linear function m(x)=0.75x could be used to find out how many CDs you need to b

ring. How many hours of music are there on 8 CDs?
Mathematics
1 answer:
kykrilka [37]4 years ago
8 0

The answer is 360 minutes

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3 times ( 2 times x )
BlackZzzverrR [31]
6x thats thats the answer
5 0
3 years ago
Read 2 more answers
A gym membership costs $25 to join and $14 each month. Write and use an algebraic expression to find the cost of the gym members
lina2011 [118]

Answer:

See below.

Step-by-step explanation:

So we know that a gym membership costs $25 plus $14 each month.

In other words, the one-time cost is $25 and there will be a cost of $14 each month.

We can write this as:

f(x)=14x+25

Where f(x) equals the total cost given the number of months x.

For 6 months, the total cost will be:

f(6)=14(6)+25\\f(6)=84+25\\f(6)=\$ 109

6 0
3 years ago
In Lily's garden, there are 5 rose bushes the first year. Each year, she adds two new rose bushes. She
aniked [119]

Step-by-step explanation:

Let x = the number of years since the first year and let y = the total number of plants.

Roses: y = 5 + 2x

Tulips: y = 20 – 3x

You can use elimination to solve.

y = 5 + 2x

(-)y = 20 – 3x

0 = -15 + 5x

15 = 5x

3 = x

This means that 3 years after the first year, the number of rose bushes equals the number of tulip plants.

The graphs appear to

intersect at (3, 11) which verifies that x=3

7 0
3 years ago
Read 2 more answers
I need help please and thank you
alexandr1967 [171]

Answer:

1260

Step-by-step explanation:

140 times by 9 to get the answer of 1260

7 0
3 years ago
Aidan looked at how many people ride the morning
SashulF [63]

Answer:

Average number of people ride ferry boat = 62 or 63 people

Step-by-step explanation:

Given:

Number of people ride ferry boat

58 59 60 61 62 63 64 65 66 67

Find:

Average number of people ride ferry boat

Computation:

Average mean = Sum of all observation / Number of observation

Average number of people ride ferry boat = [58 + 59 + 60 + 61 + 62 + 63 + 64 + 65 + 66 + 67] / 10

Average number of people ride ferry boat = [625] / 10

Average number of people ride ferry boat = 62.5

Average number of people ride ferry boat = 62 or 63 people

5 0
3 years ago
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