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strojnjashka [21]
3 years ago
5

Paige has a membership to a new music website. It costs $5 a month and then each song costs $0.10 to purchase. Write an equation

using s to represent the number of songs that she purchases if she spends $8.20 one month. (Hint: write an expression to represent the monthly charge and cost per song. Set that expression equal to $8.20)
Mathematics
1 answer:
alexira [117]3 years ago
4 0

Answer:

8.20=0.1s+5 <- equation

32 songs

Step-by-step explanation:

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One_half of the sum of x and 8 minus the product of 2 and c
elena-14-01-66 [18.8K]

X+8

___ - 2c

2




because Idk? It's just.

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4 0
4 years ago
Your friend borrows $100 from you and promises to pay you back $109 in 8 months. What annual percentage rate (A.P.R.) are you ch
NNADVOKAT [17]

Answer:

12.0\%=0.12

Step-by-step explanation:

We have been given that your friend borrows $100 from you and promises to pay you back $109 in 8 months.

We will use simple interest formula to solve our given problem.

A=P(1+rt), where,

A = Amount after t years,

P = Principal amount,

r = Annual interest rate in decimal form,

t = Time in years.

Convert 8 months to year:

\frac{8}{12}\text{ year}=\frac{2}{3}\text{ year}

108=100(1+r*\frac{2}{3})

108=100+r*\frac{2}{3}\times 100

108-100+r*\frac{200}{3}

108-100=100-100+r*\frac{200}{3}

8=r*\frac{200}{3}

8\times \frac{3}{200}=r*\frac{200}{3}\times \frac{3}{200}

\frac{24}{200}=r

r=\frac{24}{200}

r=0.12

Convert to percent:

0.12\times 100\%=12\%

Therefore, you are charging 12% APR to you friend.

6 0
3 years ago
Heeelllppp me please :)
Sophie [7]
The common ratio is 3.

I hope this helps!
4 0
3 years ago
Is this a function graph
Nesterboy [21]

Answer:

No

Step-by-step explanation:

No, it's not a function as it fails the vertical line test

7 0
3 years ago
Which is true regarding the graphed function f(x)? The graph is attached and the choices?
aliya0001 [1]

The right answer to the graph of the line with a negative slope is:

<h2>f(5)=-1 </h2>

This is read as:

f(x)=y=-1

Then:

When x is 5, the value of y is -1


5 0
3 years ago
Read 2 more answers
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