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snow_tiger [21]
3 years ago
9

Will the following variables have positive correlation, negative correlation,

Mathematics
1 answer:
Marianna [84]3 years ago
6 0

Answer:

Step-by-step explanation:

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In 2012 William bought a new boat for $28,500 if the value of the boat declined by 8% each year find the value of the boat in 20
nikklg [1K]

Answer:

$17,281.12

Step-by-step explanation:

28,500 * (.92)^x

x - amount of years after 2012

.92 - 100-8 = 92 which is the percent of the price the previous year

Calculator needed.

28,500 * .92^6

28,500 * ~.60636

17,281.1175383

Round up to 17,281.12

8 0
4 years ago
Lea and Marie are washing all the windows in their house. It would take Lea 80 minutes to wash the windows by herself, and it wo
SCORPION-xisa [38]
this would be the answer:





1/60t
7 0
3 years ago
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Test your brain and answer the question
Llana [10]

Answer: You have to find the unit rate so you divide 7.50 by 3 which is 2.50 so for 1 pound it is 2.50, 2 pounds is 5, 3 pounds is 7.50, 4 pounds is 10, and 5 pounds is 12.50

Step-by-step explanation:

3 0
3 years ago
7. Which answer is equal to (f – g)(5) or f(5) – g(5), given f(x) = x + 2 and g(x) = x² + 5?
erastova [34]
Hello:
<span> (f – g)(5) = f(5) – g(5) = (5+2)-((5)²+5) = 7-30
</span> (f – g)(5) = -23

6 0
3 years ago
A ball is thrown in the air from the top of a building. Its height, in meters above ground, as a function of time, in seconds, i
Cerrena [4.2K]

Answer:

a.2s b.43.6m

Step-by-step explanation:

h(t)=−4.9t2+19.6t+24

24m = inittial possition

-4.9 t2= -1/2 g t2

19.6t=  Vo t

as the initial velocity is positive, the ball is thrown up.

the maximum height of the ball is reached when the velocity is 0

V= Vo-gt=19.6m/s-9.8m/s2 t=0

t=19.6/9.8=2s

<u>it takes 2seconds for the ball to reach its maximum height</u>

h(t)=−4.9t2+19.6t+24

h(2)=-19.6m+39.2m+24=43.6m

<u>the maximum height of the ball is 43.6m</u>

5 0
3 years ago
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