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Aliun [14]
3 years ago
10

The stock price of one share in a certain company is worth $360 today. A stock analyst believes that the stock will lose 28 perc

ent of its value each week for the next 3 weeks. The analyst uses the equation V=360(r)^t to model the value, V, of the stock after t weeks. What value should the analyst use for r?
Mathematics
1 answer:
Rus_ich [418]3 years ago
6 0

Answer:

r = 72% = 0.72

Step-by-step explanation:

This case is a compound interest case. But the interest is accumulated negatively every week.

Total Amount Compounded with compound interest is calculated as

A = P (1 + r)ᵗ

P = principal/initial amount invested = $360

r = rate of increase weekly = -28% = - 0.28

t = time period that passes = t

A = 360 (1 - 0.28)ᵗ

A = 360 (0.72)ᵗ

Hope this Helps!!!

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11. Joe bought 3 pairs of jeans for $71.40. a. How much did he pay per pair? b. How much would be need to pay for 8 pairs of jea
Vikki [24]

Answer:

$23.80 per pair, $190.4 for 8 pairs

Step-by-step explanation:

a. assuming each pair of jeans is the same price, just divide the total by 3. the price per pair is 71.40/3, which is $23.80 per pair

b. simply multiply the price of one pair of jeans, as found above, by 8. 23.80*8 is $190.4 for 8 jeans

hope this helped!

4 0
2 years ago
Read 2 more answers
If the DIAMETER of a circle is 18 inches, what is the length of the radius? *
bekas [8.4K]

Answer:

9 inches

Step-by-step explanation:

The radius is 1/2 of the diameter

r = d/2

r = 18/2 = 9

5 0
3 years ago
Read 2 more answers
Helppppp me find a equation for this lol
LUCKY_DIMON [66]

Answer: One POSSIBLE answer is (0,9)

Step-by-step explanation: This may look hard but it's actually super easy. All you have to do is substitute a value for x and see what you get as the y value. The first thing I would do is rearrange the equation so that the equation is in the format y = something. So the first thing you should do is subtract 6x from both sides of the equation and you should get -y=-6x+9. Right now, the y is being multiplied by -1, and to undo multiplication, you have to divide. So divide both sides of the equation by -1 (remember, what you do on one side of the equation, YOU HAVE TO DO THE SAME THING ON THE OTHER SIDE). So your new equation would be y=6x-9. Then, all you have to do is substitute a value for x and see what you get for y (x is basically the input and whatever you get for y is the output). S for example, let's say that x=0. So substitute a 0 in the equation wherever you see an x. So in this case, you would get y=(6x0)+9. Then you just simplify. So 6x0 is 0 and 0+9=9 So y=9

TO RECAP: Rearrange the equation so that the equation is in the format y = something. Then, input any number for x, and whatever you get for y is what you put in the brackets as your y value for your final answer.

Hope this helps!

6 0
3 years ago
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Evaluate the function. h(x) = x2 – 5x; find f(4).
Reika [66]
If you mean h(4)
h(4)=(4)*2 -5(4)
=8-20
=-12
The answer will be-12
8 0
3 years ago
(y 3 - y 2 + y + 3) ÷ (y + 1)
Rufina [12.5K]

Answer:

y^2-2y+3

Step-by-step explanation:

use synthetic division

-1| 1  -1  1  3

      -1  2 -3

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3 0
2 years ago
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