MATHEMATICS HIGH SCHOOL

When Ava bought her car, it was worth $19,340. It was expected to decrease at a rate of 12.5% each year.What is best prediction for the value of Ava’s car 10 years after she bought it?
(Points : 5)

Answers

Answer 1
Answer: To do this, you must do 12.5% of $19,340, then 12.5% of that sum, and so one 10 times. Your answer:
12.5% X $19,340 = 241,750/100 = $2,417.5.
$19,340 - $2,417.5 = $16,922.5 X 12.5% = 211,531.25/100 = $2,115.3
$16,922.5 - $2,115.3 = $14,807.2
Repeated 8 more times... and you get your answer...
Hope that helps:) Sorry that I didnt give you the answer...

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How do i simplify -3x-15?

Answers

Answer:

45

Step-by-step explanation:

-3 * -15

Cancel the negative signs on both sides.

3 * 15

Evaluate.

=45

Answer: -x-5

Step-by-step explanation:

-3x-15 . Both 3 and 15 are variables of 3, this means they can both be divided by 3. -3/3= -1 and -15/3=-5. So -1x-5, or -x-5

Hope this helped! :)

When rolling a number cube with sides labeled 1 through 6, what is the probability of rolling a number greater than 3? . . Express your answer in simplest form.. . . .

Answers

Probability of rolling a number greater than 3:
P ( A ) = m/n
m =3,  (numbers 4, 5, 6)
n = 6,  (numbers 1 to 6).
P ( A ) = 3/6 = 1/2 = 0.5
the probability is 1/2

Solve the following equation.2/3x + 6 = 1/2x + 1/4x

2
6
14 2/5
72

Answers

Answer: 72
heyy, umm basically group like terms together. E.g. 6= 1/2x + 1/4x - 2/3x. Then, just solve for x e.g. 1/2 + 1/4 - 2/3 and use the answer to equal it to 6. Which should be 1/12x=6... pretty sure haha. Then divide. E.g.6/1/12 for x. In this case I got 72.. :)

12=9m+4 m= ? im trying to find out what this is by 12:00 please help me

Answers

12=9m+4  First, switch sides so the equation makes sense.
9m+4=12  Then, subtract 4 from each side.
9m=8  Divide each side by 9.
m=0.888

Algebra question please show work :)

Answers

Here is the solution to the equation.

2x+4=16

2x=16-4

2x=14

x=14/2

x=7

Great question! :)

(6 + 3)2 – 7.2 + 8
answer and work!

Answers

Answer:

18.8

Step-by-step explanation:

Remember PEMDAS!
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