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Sophie [7]
4 years ago
14

Andy and Donald are both running toward the soccer ball during a game.

Mathematics
1 answer:
zavuch27 [327]4 years ago
6 0

Answer:

Correct option: second one -> Andy and Donald do not collide.

Step-by-step explanation:

To find if the boys collide, we need to find if there is a common value of t where the their x position are equal and their y position are equal. To do this, we make x(t) of Andy equal to x(t) of Donald, , then if there is a value for t, we do the same for y(t) and check if the values of t are equal:

24 + 23t = 12 + t

22t = -12

t = -0.5455 seconds

As the time is negative, it will not occur, so the boys will never collide.

Correct option: second one

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Karen earns a salary of $28,600 per year plus a 4.25% commission on sales. Find her to[al earning
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Her Total earning is $41,775

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brainly.com/question/13502286

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Piper earned a grade of 57% on her multiple choice science final that had a total of 200 problems. How many problems on the fina
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Help me with this please I have no idea what to do. It says solve for a if the line through the two given points has the given s
Molodets [167]

Answer:

a=-5

Step-by-step explanation:

When you do this every time the slope will go down 2 and over 1 which is rise over run or slope. You can see the y coordinates go down 4 points and every time is should go down 2 so you will know that it would have gone down 2 times so a+2 should equal -3 so if we subtract 2 from both sides we would get a=-5 and that is our answer.

3 0
3 years ago
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Consider the function f(x) = x2 - 6x +8.
MAVERICK [17]

Answer:

A function that has an axis of symmetry at x = 3 is:

f (x) = x ^ 2 - 6x - 1

Step-by-step explanation:

A parabola has an axis of symmetry at x = 3 if the x-value of the vertex is 3.

f(x) = x^2 + 3x + 1 = x^2 + 3x + 9/4 - 5/4 = (x + 3/2)^2 - 5/4 => vertex = (-3/2, -5/4)

f(x) = x^2 - 3x - 3 = x^2 - 3x + 9/4 - 21/4 = (x - 3/2)^2 - 21/4 => vertex = (3/2, -21/4)

f(x) = x^2 + 6x + 3 = x^2 + 6x + 9 - 6 = (x + 3)^2 - 6 => vertex = (-3, -6)

f(x) = x^2 - 6x - 1 = x^2 - 6x + 9 - 10 = (x - 3)^2 - 10 => vertex = (3, -10)

Therefore, f(x) = x^2 - 6x - 1 has an axis of symmetry at x = 3.

Hope This HELPS!!!

8 0
4 years ago
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