A pitcher's arm rotates at a speed of 7 degrees per millisecond (degrees/ms)

2 answers:

8 0

To solve this problem, all we have to do is to use a conversion factor to convert millisecond into seconds. We know that there are 1000 milliseconds in a second, therefore:

pitcher’s arm rotation = 7 degrees / millisecond * (1000 milliseconds / second)

<span>pitcher’s arm rotation = 7,000 degrees / second</span>

IRISSAK [1]3 years ago

3 0

Answer:

7000 Hope this helps and if it does remember to give me a like , please and thank you!

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Without solving the equation, determine the nature of the roots of x^2 - 2x - 8 = 0.

noname [10]

Answer:

two real, unequal roots

Step-by-step explanation:

This is a quadratic equation. The quadratic formula can be used to determine how many and what kind of roots may exist:

Find the discriminant, which is defined as b^2 - 4ac, if ax^2 + bx + c = 0. In this case, a = 1, b = -2 and c = -8, so that the discriminant value is

(-2)^2 - 4(1)(-8), or 4 + 32 = 36.

Because the discriminant is real and positive, we know for certain that we have two real, unequal roots

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jeyben [28]

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