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Shtirlitz [24]
3 years ago
9

What is the value of f(5) in f(x)=-2(x+1)

Mathematics
1 answer:
IceJOKER [234]3 years ago
4 0

Answer:

-12

Step-by-step explanation:

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A circle has a radius of 14 units. What is the area in square units of the circle in terms of π?
Snowcat [4.5K]
Area of circle = pi r²

14²= 196

196 x pi = 196pi

Area = 196pi units²
3 0
3 years ago
I really don't get what I'm supposed to do...​
rusak2 [61]

Answer:

check below

Step-by-step explanation:

1.  c = 68-27 = 41

2. t = 7.9+1.5 =9.4

3. a = 21*3 = 63

4. (multiply whole equation by 8) 8r+6=7, r=1/8

5. x = 25.2/4.2 = 6

6. b = 75/15 = 5

7. A. 6C = 99

B. C = 99/6 = $16.50

The solution represents the cost of one ticket.

5 0
3 years ago
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The equations x minus 2 y = 1, 3 x minus y = negative 1, x + 2 y = negative 1, and 3 x + y = 1 are shown on the graph below. On
Basile [38]

Answer: (a) x + 2y = -1  and  3x + y = 1

<u>Step-by-step explanation:</u>

I am not sure what the purpose was for the colored lines but I included them on the graph (below).

6 0
3 years ago
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When 0.5(20x – 50y + 36) – 0.25(–100x + 40y – 12) is simplified, what is the resulting expression?
Scilla [17]
.5(20x-50y+36)-.25(-100x+40y-12)
10x-25y+18+25x-10y+3
35x-25y+18-10y+3
35x-35y+18+3
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5 0
3 years ago
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What is the best estimate for the number of people in line at 7.A.M
Keith_Richards [23]

We have been given the equation

y=-5.131x^2+31.821x-3.333

It represents the number of people standing to catch a commuter train x hours after 5 A.M.

Now, in order to find the number of people in line at 7 a.m. , we need to substitute x= 2 in the above equation.

y(2)=-5.131(2)^2+31.821(2x)-3.333\\y(2)= 39.785 \approx 40

Therefore, the number of people in the line at 7 a.m. is 40

D id the correct option.

5 0
3 years ago
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