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Evgesh-ka [11]
3 years ago
10

If the instantaneous velocity of an object is zero, then its acceleration must be:

Mathematics
1 answer:
Nuetrik [128]3 years ago
6 0
Hi I think it would be zero sense the object is in one spot. I hope I helped
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Tony rides the bus to and from school. His total riding time each day is 45 minutes. How much time does Tony spend riding to and
elena-14-01-66 [18.8K]

Answer:

225 minutes or 3 hours and 45 minutes

Step-by-step explanation:

45 (minutes per day) times 5 (days in a school week) = 225 minutes

or add 45 (minutes per day)+ 45+45+45+45 = 225

To get the hours:

Divide 225 by 60 (minutes per hour) and it is 3 - remainder 45.

3 0
3 years ago
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Find the larger of the two roots of the equation y = -2.2x2 + 63.5x - 17
Luden [163]

The larger of the two roots of the equation y = -2.2x^2 + 63.5x - 17would be 28.59.

<h3>How to find the roots of a quadratic equation?</h3>

Suppose that the given quadratic equation is

ax^2 + bx + c = 0

Then its roots are given as:

x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}

The given quadratic equation is

y = -2.2x^2 + 63.5x - 17

now, the roots of the equation are

x = \dfrac{-63.5 \pm \sqrt{63.5^2 - 4(-2.2)(-17)}}{2(-2.2)}\\\\\\x = \dfrac{-63.5 \pm \sqrt{4032.25 - 149.6}}{(-4.4)}\\\\\\x = \dfrac{-63.5 \pm \sqrt{3882.65}}{(-4.4)}\\\\\\x = \dfrac{-63.5 \pm 62.31}{(-4.4)}

The two roots are 0.27 and 28.59.

Thus, the larger of the two roots of the equation y = -2.2x^2 + 63.5x - 17would be 28.59.

Learn more about finding the solutions of a quadratic equation here:

brainly.com/question/3358603

#SPJ1

7 0
2 years ago
Which represents the measures of all angles coterminal with a 400° angle?
ozzi
It’s c, for any integer,n
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3 years ago
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Which one of these diagrams shows its reference angle in standard position?
Svetach [21]

Answer:

A

Step-by-step explanation:

MARK AS BRAINLIEST!!

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3 years ago
Can we all agree that math is hard??
TEA [102]

Answer:  sometimes

Step-by-step explanation:

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2 years ago
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