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Natali5045456 [20]
3 years ago
9

PLEASE HELP!!!

Mathematics
1 answer:
ivann1987 [24]3 years ago
6 0

Answer:

The derivative of the position function gives the velocity function

 

2 t^3 + 5 t -2    derivative   =   6 t^2 + 5

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I believe it is a reflection?  

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five people are sharing 8 brownies. if they each receive the same amount, how many brownies will each person receive?
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Answer: 0.625


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3 years ago
You guys are life savers but does anyone know the answers to these questions? I’m so confused rn
timofeeve [1]

Answer:

The third choice

Step-by-step explanation:

We need to find the slope and y-intercept of the line and then put it into y = mx = b form. To find the slope, pick a point on the line; I will use (-2, 5); count how many units up you need to go to get to the next point on the line, which in this case it would be 3. The count how many to the right or left you would need to go, which is 1 to the left. Moving left means a negative, so it is -1. Your slope fraction would be \frac{3}{-1} , since slope is rise over run. You can sub this fraction in for m in y = mx + b, which will give you a revised equation of y = -3x = b. To find the y intercept, or b, just find the point where the line crosses the y-axis, which is -1. So, the equation is now y = -3x - 1.The correct answer is third choice.

6 0
3 years ago
(a) Use the fundamental theorem of algebra to determine the number of roots for 2x^2 + 4x + 7
zysi [14]

Answer:

Step-by-step explanation:

A 2nd order polynomial such as this one will have 2 roots; a 3rd order polynomial 3 roots, and so on.

The quadratic formula is one of the faster ways (in this situation, at least) in which to find the roots.  From 2x^2 + 4x + 7 we get a = 2, b = 4 and c = 7.

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Using the quadratic formula:

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x  = ------------------ = ------------------

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Thus, the roots are x = ------------------

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4 0
3 years ago
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Romashka [77]

Answer:

7

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You can divide both 14 and 21 by seven and get a whole number.

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