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bogdanovich [222]
4 years ago
8

You are planning to buy one of two brands of sofas, which you hope to use over the next twenty years. brand j costs $975 and las

ts for about twenty years. brand k costs $265 and lasts for about five years, so you will need to buy four brand k sofas to equal one brand j sofa. in either case, you plan to pay for your sofa using your credit card, which has an interest rate of 14.55%, compounded monthly. you can pay off a brand j sofa with eight years of monthly payments, and you can pay off a brand k sofa with three years of monthly payments. assuming that you make no other purchases on your credit card, over twenty years, which brand will be cheaper, and how much cheaper will it be? (round all dollar values to the nearest cent.)
Mathematics
2 answers:
Mazyrski [523]4 years ago
5 0
D.Brand K will be $340.32 cheaper than Brand J.
Zolol [24]4 years ago
5 0

Answer:

its the letter d....................

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Three coins are flipped. What is P(heads, heads, heads)?
pshichka [43]
1/8

Each time the probability for landing on heads in 1/2 or 50% so do 1/2*1/2*1/2=1/8.
5 0
3 years ago
Read 2 more answers
10
timama [110]

Answer:

25π units^2

Step-by-step explanation:

The shape is a quarter circle with radius 10 units.

area of circle = πr^2

area of a quarter circle = (1/4)π(10 units)^2

area = 25π units^2

5 0
3 years ago
1/3 X 12 = 12 X ___ = __
valkas [14]
1/3=4 hop this help you
8 0
3 years ago
Write a sine function that has an amplitude of 5, a midline of 3 and a period of 1/8.
vodomira [7]

Answer:

y=5sin(16pix)+3

Step-by-step explanation:

Amp=5 means our curve is either y=5sin(bx+c)+d or y=-5sin(bx+c)+d.

y=sin(x) has period 2pi.

So y=sin(bx) has period 2pi/b.

We want 2pi/b=1/8.

Cross multiplying gives: 16pi=b

y=5sin(16pix+c)+d

d=3 since we want midline y=3.

y=5sin(16pix+c)+3

We can choose c=0 since we aren't required to have a certain phase shift.

y=5sin(16pix)+3

6 0
3 years ago
What is the answer to this?
Keith_Richards [23]

Answer:

Y = 28.31

Z = 13.29

Angle A = 28

Step-by-step explanation:

For Angle A:

Remember a triangle has a total of 180 degree angles. So set up your formula as

180 - 62 -90 = Angle A

For Y:

The sine of an angle is equal to the ratio of the opposite side to the hypotenuse.  

sin (B) = opp/hyp or b/c or (y)

sinB = 62

b = 25

Rewrite as c=b/2SinB -> c=25/sin62 -> Y = 28.31

For Z:

Use the Pythagorean theorem to find the unknown side.

z^{2}  = 28.31^{2}  - 25^{2}

z = 13.29

3 0
3 years ago
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