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3 years ago

10

Checking account A charges a monthly fee of $5 and a per-check fee of $0.25, and checking account B charges a monthly fee of $6

and a per-check fee of $0.15. How many checks would a person have to write for the two accounts to cost the same?

1 answer:

liubo4ka [24]3 years ago

5 0

Answer:

10 is the correct answer for this problem.

Step-by-step explanation: (apex)

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The value (in cents) of the change in a purse that contains twice as many nickels as pennies, five more dimes than nickels, and

nexus9112 [7]

Value of the pursue in cents: $131p+175$

Step-by-step explanation:

Let's call:

$p$ = number of pennies

The problem tells us that the pursue contains twice as many nickels as pennies, so the number of nickels is

$n=2p$

Also, the pursue contains five more dimes than nickels, so the number of dimes is

$d=n+5=2p+5$

And finally, the pursue contains as many quarters as dimes and nickels combained, so the number of quarters is

$q=d+n=(2p+5)+2p=4p+5$

The value of each type of coin is:

Penny: 1 cent

Nickel: 5 cents

Dime: 10 cents

Quarter: 25 cents

So, the total value of the pursue in cents is:

$1p+5n+10d+25q$

And substituting,

$=p+5(2p)+10(2p+5)+25(4p+5)=\\p+10p+20p+50+100p+125=\\131p+175$

So, this is the value of the change in the pursue in cents.

Learn more about expressions:

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3 years ago

Read 2 more answers

1. Cindy made a few late payments, and ended up defaulting on her credit card. What would her credit rating be?

Rainbow [258]

Since Cindy’s payments were late and she ended up defaulting her card she would need to improve her credit

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3 years ago

How many solutions does this system have? y=5x-1 y=-3+7

Ksenya-84 [330]

I'll assume that's

$y=5x-1$

$y=-3x + 7$

Please let me know if that's wrong.

These are two lines in point slope form. They'll meet at some x that makes the ys equal.

$5x-1 = -3x + 7$

$5x + 3x =1+ 7$

$8x= 8$

$x= 1$

$y=5x-1 = 5(1)-1 = 4$

$(x,y)=(1,4)$ is the only solution.

Exactly one solution.

We really only had to ensure the lines had two different slopes. Then there's always exactly one solution.

If the lines had the same slope, they're either the same line (coincident) so an infinite number of solutions, all the points on that line, or they're parallel, no solutions.

8 0

4 years ago

For this you are subtrating polynomial expressions

slava [35]

Hi, The answer is 2x^2-8x+12, because when you subtract the polynomial with the answer you will get x^2-4

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3 years ago

What is the solution set for this inequality

kompoz [17]

Answer:

$x < 7$

Step-by-step explanation:

1) Subtract 40 from both sides.

$- 8x > - 16 - 40$

2) Simplify -16 - 40 to -56.

$- 8x > - 56$

3) Divide both sides by -8.

$x > \frac{ - 56}{ - 8}$

4) Two negative numbers makes a positive.

$x > \frac{56}{8}$

5) Simplify 56/8 to to 7.

$x < 7$

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3 years ago

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