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hammer [34]
2 years ago
14

You people in the Algebra 1 course for high school, Are you guys ready for the exams next week? I'm definitely not. Anyway, A ba

ll is dropped from a certain height. The function below represents the height f(n), in feet, to which the ball bounces at the nth bounce:
f(n) = 9(0.7)n

What does the number 0.7 represent?
A: The ball bounces to 30% of its previous height with each bounce.
B: The height at which the ball bounces at the nth bounces is 0.3 feet.
C: The ball bounces to 70% of its previous height with each bounce.
D: The height from which the ball was dropped at the nth bounce is 0.7 feet.
YOU ALL READY???
Mathematics
1 answer:
Anvisha [2.4K]2 years ago
4 0

Answer:

I think that it D

Step-by-step explanation:

C= .07=70%. So I know that it is not C

A= 30% but the question doesn't even have a 3 in it, so therefore it cannot be A.

B= Is basically the same concept as A. There is no .3 or 3 peroid.

So I say D

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John bought a new home in 2002. The value of the home increases 4% each year. If the price of the house is $375,000 in 2020, how
skad [1K]
Using the formula of P(1 + r)^n = x where p represents the initial value, r represents the rate and n represents the number of years and x is our final output. We want to find P so we have to make it the subject of the equation.

1 + 0.04 = 1.04
1.04^18 = 2.025816515
Then divide the total amount by this to get 185,110.5454
Therefore the answer is $185,110.55

Hope this helps! :)
4 0
3 years ago
What is the solution to this equation x/5=25
amid [387]

Answer:

x = 125

Step-by-step explanation:

Given

\frac{x}{5} = 25

Multiply both sides by 5 to clear the fraction

x = 5 × 25 = 125

x = 125

6 0
3 years ago
Read 2 more answers
A roller coaster at a theme park takes fans on an exciting ride. In the first 20 seconds, it carries passengers up a 30-meter hi
zaharov [31]

Answer:15 meters higher

Step-by-step explanation: 30-30+15

7 0
3 years ago
Mrs. Habib has 46.25 feet of border for a bulletin board for her classroom. the board is 37.5 feet tall and 8.3 feet wide. how m
Luba_88 [7]

Answer:

Mrs. Habib will have 22.25 feet of border left after she puts border around the board.

Step-by-step explanation:

You must find the perimeter of the board and subtract it from the amount of border she has to find how much she will have left after she uses it. The formula for perimeter is P=2(l+w), where l= the length of the board, and w= the width of the board. You will add those together and multiply them by 2 because there are 4 sides to a rectangle. That means this equation will look like:

P=2(8.25+3.75)

Now you can just solve for the perimeter.

P=2(12)

P=24

The perimeter is 24 feet. That means it will take 24 feet of border to cover her board. In order to find out how much she'll have left over, just subtract 24 from the total amount of border she has.

46.25-24=22.25

Therefore Mrs. Habib will have 22.25 feet of border left over after she covers the bulletin board.

7 0
2 years ago
Please helpp, thank youuu.
Mariulka [41]

Answer:

16ft

Step-by-step explanation:

use pythagreom thereom

12^2+b^2=20^2 solve

144+b^2=400

b^2= 256 square it

b= 16

4 0
2 years ago
Read 2 more answers
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