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Lerok [7]
2 years ago
10

What is the rate of change for the following? (4,5) (2, 15)

Mathematics
2 answers:
Alex2 years ago
6 0

Answer:

-5

Step-by-step explanation:

Given these two points, we can just plug them into the slope formula.

Slope=\frac{y_2-y_1}{x_2-x_1}

\frac{15-5}{2-4}\\\\\frac{10}{-2}  \\\\-5

Evgen [1.6K]2 years ago
3 0

Answer:

-5

Step-by-step explanation:

Rate of Change also slope

Slope = y-y1/x-x1 = tanα = y/x

15-5/2-4 = 10/-2 =-5

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What is the area of a semicircle whose perimeter is 72cm
Nuetrik [128]

Answer:

A = 307.9 sq/cm

Step-by-step explanation:

Find the radius of the semi-circle

diameter + half the circumference = 72 cm

2r + pi*r = 72

r(2+pi) = 72

 

r = 72%2F%28%282%2Bpi%29%29

r = 14

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what will be the area of that semicircle?

A =1%2F2*pi%2A14%5E2

A = 307.9 sq/cm

7 0
3 years ago
Please help me A.S.A.P.
Vikentia [17]

Answer:

700 Dollars

Step-by-step explanation:

The expression for solving this is I = prt

So lets start with P, that is our principal or amount of money we start with, and we want to multiply it by our rate, or r , which is 3.5, so we would do 5000 x 0.035 to get 175, then we multiply that by our time or t, which is 4 years, so 175 x 4 = 700 dollars :D

5 0
2 years ago
Read 2 more answers
Sean read 15 of a book in 112 hours.
makvit [3.9K]
Sean read 15 of a book in = 112 hours, 
so, 1 of a book in = 112/15

Now, 12 of a book would be: 112/15 * 12 = 112/5 * 4 = 89.6

89.6 = 89 6/10 = 89 3/5

In short, Your Answer would be 89 3/5 hours

Hope this helps!
8 0
3 years ago
Can someone please tell me the correct answer.|-30| + |25| =
Mkey [24]

Answer:

55

Step-by-step explanation:

The absolute value of -30 is 30 and the absolute value of 25 is 25.

So you will end up with 30 + 25 which is 55.

7 0
3 years ago
The blank is the greatest of the common factors of two or more numbers
xeze [42]
GCF, Greatest Common Factor.
4 0
3 years ago
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