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Anestetic [448]
2 years ago
9

Chrissy currently has a credit card that charges 15% interest. She usually carries a balance of about $500. What will her total

annual interest be with her current card?
Mathematics
2 answers:
Evgesh-ka [11]2 years ago
6 0

Answer:

$900

Step-by-step explanation:

If she holds $500 and she is charged 15%; it means

The interest she pays per month is ;

$500 × 15/100 = $75

Then annually meaning for 12 months, she pays;

$75 × 12 = $900

Andrew [12]2 years ago
6 0
Answer of the question is900
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It should be B because you have to have 2 angles to know for sure.

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How many meatballs are required for a party of 25 adults and 5 children
scoray [572]
Should be 30 meatballs. This is because there are 25 adults and 5 kids. 25+5 = 30. That is the least amount you need. However, most people try to provide at least 2 servings per person. So that would be 60 meatballs. That way each person has two meatballs. Hope this helps, if so please give brainliest:-)
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2 years ago
Hank invested a total of $20,000, part at 7% and part at 10%. How much did he invest at each rate if the total interest earned i
jolli1 [7]

Answer:

The amount invested at 7% is $12,000 while the amount invested at 10% is $8,000

Step-by-step explanation:

The given parameters are;

The total amount Hank invested = $20,000

The interest earned in one year = $1640

Hank invested part of the $20,000 at 7% interest and part of the $20,000 at 10%

Let the part invested at 7% = X and the part invested at 10% = Y, we have;

7% of X + 10% of Y = $1640 which gives;

0.07×X + 0.1×Y = $1640.....................(1)

X + Y = $20,000.................................(2)

Multiply equation (1) by 10 and subtract equation (1) from equation (2) to get;

X + Y - 10×(0.07×X + 0.1×Y) = $20,000 - 10×$1640

X - 0.7·X - Y - Y = $20,000 - $16,400 = $3,600

0.3·X = $3,600

X = $3,600/0.3 = $12,000

X = $12,000

Y = $20,000 - X = $20,000 - $12,000 = $8,000

Y = $8,000

Therefore, the amount invested at 7% = $12,000 and the amount invested at 10% = $8,000.

7 0
2 years ago
Read 2 more answers
PLEASE HELP
GrogVix [38]

Answer:

16 and -16

Step-by-step explanation:

3 0
2 years ago
the perimeter of a rectangular campsite is 64m and its area is 207m^2. find the length and breadth of the campsite
NNADVOKAT [17]

Answer:

The length is 23\ m and the breadth is 9\ m

Step-by-step explanation:

Let

x ----> the length of a rectangular campsite

y ----> the breadth of a rectangular campsite

we know that

The perimeter of a rectangle is equal to

P=2(x+y)

P=64\ m

so

64=2(x+y)

32=(x+y)

y=32-x ------> equation A

The area of a rectangle is equal to

A=xy

A=207\ m^{2}

so

207=xy -----> equation B

substitute equation A in equation B

207=x(32-x)\\\\207=32x-x^{2}\\\\x^{2}-32x+207=0

Solve the quadratic equation by graphing

The solution is x=23\ m ( I assume that the length is  greater than the breadth)

see the attached figure

Find the value of y

y=32-23=9\ m

therefore

The length is 23\ m and the breadth is 9\ m

4 0
2 years ago
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