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Eva8 [605]
3 years ago
14

Barney has a balance of $780 on a credit card with an APR of 31.3%, compounded monthly. About how much will he save in interest

over the course of a year if he transfers his balance to a credit card with an APR of 19.1%, compounded monthly? (Assume that Barney will make no payments or new purchases during the year, and ignore any possible late-payment fees.)
Mathematics
2 answers:
Margaret [11]3 years ago
7 0
Barney can save
$119.66
in interest over the course of a year if he transfers his balance to a credit
card with an APR of 19.1%, compounded monthly. The correct answer between all
the choices given is the first choice or letter A.
bearhunter [10]3 years ago
6 0

Answer:

Barney will save about $119.66.

Step-by-step explanation:

The compound interest formula is:

A=p(1+\frac{r}{n})^{nt}

Case 1:

when p = 780

r = 0.313

n = 12

t = 1

Putting the values in formula:

780(1+\frac{0.313}{12})^{12}

A = 1.36204\times780=1062.39dollars

Interest accured = 1062.39-780=282.39 dollars

Case 2:

when p = 780

r = 0.191

n = 12

t = 1

Putting the values in formula:

780(1+\frac{0.191}{12})^{12}

A = 1.20863\times780=942.73dollars

Interest accured = 942.73-780=162.73 dollars

Now difference in interest in both cases = 282.39-162.73=119.66 dollars

Hence, Barney will save about $119.66.

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A rectangle has a length of 80 units and a width of 39 units. Find the length of the diagonal.
levacccp [35]
Equation = a² + b² = c²

a = 80
b = 39
c = Diagonal

a² + b² = c²
80² + 39² = c²
6400 + 1521 = c²
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6 0
3 years ago
Prime factorization of 39
Black_prince [1.1K]
Lets quickly run through the prime numbers and see what it is not divisible by

39 is not divisible by 2
39 IS divisible by 3

So lets stop right here.

What is 39 divided by 3? 13 !

And 13 is a prime number too!

So that is all we can do.

So prime factorization of 39 is <u>3 x 13</u><u><em /></u>
4 0
3 years ago
Someone please help with this maths problem.
NemiM [27]
The answer would be 80 because you are multiplying each number by 2. You multiply 5 x 2 = 10, 10 x 2 = 20, 20 x 2 = 40, and then 40 x 2 = 80. That is how I got the answer 80!!
3 0
3 years ago
Read 2 more answers
A rectangular prism that has a length of 8 feet, width of 6 feet, and height of 12 feet. What is the volume of the prism? ft3
Lady bird [3.3K]

Answer:

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Step-by-step explanation:

Length of rectangular prism = 8 feet

Width of rectangular prism = 6 feet

Height of rectangular prism = 12 feet

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Volume of rectangular prism =8 \times 6 \times 12

Volume of rectangular prism =576 feet^3

Hence the volume of the prism is 576 cubic feet

6 0
3 years ago
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almond37 [142]

Answer:

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