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marissa [1.9K]
2 years ago
5

Crystal owes $8,950 on her Electronics Boutique credit card with a 18.4% interest rate. She owes $6,390 on her Miscellaneous Goo

ds credit cards which has a 22.9% interest rate. What is the total monthly payment needed to pay off both cards in three years, assuming she makes fixed payments and does not charge any more purchases with the card?

Mathematics
1 answer:
Margaret [11]2 years ago
3 0
That is the answer below ⬇️ second pic is how to solve

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On an interval of [0, 2π), can the sine and cosine values of a radian measure ever be equal? If so, enter the radian measure(s)
Lisa [10]

Answer:

Yes, they are equal in the values (in radians):

π/4, 5π/4

If cos(x) and sin(x) are defined to you as nonnegative functions (in terms of lengths), then 3π/4 and 7π/4 are also included

Step-by-step explanation:

Remember that odd multiples of 45° are special angles, with the same sine and cosine values (you can prove this, for example, by considering a right triangle with an angle of 45° and hypotenuse with length 1, and finding the trigonometric ratios).

The radian measure of 45° corresponds to π/4, hence the odd multiples on the interval [0, 2π) are π/4, 3π/4, 5π/4, 7π/4.

If you define sin(x) and cos(x) using the cartesian coordinate system (via unit circle), then cos(3π/4)=-sin(3π/4) and cos(7π/4)=-sin(7π/4). In this case, only π/4 and 5π/4 are valid choices.  

6 0
3 years ago
I'll GIVE BRAINLIST TO THE FRIST PERSON!!!!!!!!!!!!!
hram777 [196]

Answer: the answer should be c

Step-by-step explanation: -3x - 13 is easily found by the perimeter of time (y as a representative)

5 0
3 years ago
Read 2 more answers
There are about 10^24 stars in the universe. Each galaxy has approximately the same number of stars as the Milky Way Galaxy. Abo
maks197457 [2]

Answer:

10^{13} galaxies.

Step-by-step explanation:

There are about 10^{24} stars in the universe.

The Milky Way galaxy10 * 10^{10} stars.

All we need to do to find the number of galaxies is to divide the total number of stars in the universe by the number of stars in the Milky Way:

Number of galaxies = (Number of stars in the universe) / (Number of stars in the Milky Way)

Number of galaxies = \frac{10^{24}}{10 * 10^{10}}

N = \frac{10^{24}}{10^{11}}

N = 10^{24 - 11} = 10^{13}

The number of galaxies in the universe is approximately 10^{13}.

7 0
3 years ago
What type of triangle is shown <br> A) scalene<br> B) equilateral <br> C) right <br> D) obtuse
FromTheMoon [43]

Answer:

B

Step-by-step explanation:

all sides are the same

7 0
3 years ago
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6b-9=-87 what is the answer
maw [93]

Answer:

Answer is below

Step-by-step explanation:

Add 9 to both sides.

6b-9+9=-87+9\\6b=-78

Divide both sides by 6

\frac{6b}{6} =\frac{-78}{6} \\b=-13

3 0
3 years ago
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