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sukhopar [10]
3 years ago
13

Sammy can roll a bowling ball at a rate of 5 miles in 30 seconds. How fast can he

Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

600 mph

Step-by-step explanation:

Given that,

Distance covered by ball, d = 5 miles

Time taken, t = 30 seconds

1 second = (1/3600) hour

Speed = distance/time

v=\dfrac{5\ \text{miles}}{30\times \dfrac{1}{3600}\ \text{hour}}\\\\v=600\ mph

So, the speed of the ball is 600 mph.

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What is the value of the rational expression 2x^2+5x+9/x^2+2x-1 when x=-2
Sergio039 [100]

Answer:

The value of the Rational expression when x=-2 is: -7

Step-by-step explanation:

For this exercise is important to remember:

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Then, given the following Rational expression:

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You need to follow these steps in order to find its value when x=-2:

1. Substitute the given value of "x" (x=2) into the expression:

 \frac{2(-2)^2+5(-2)+9}{(-2)^2+2(-2)-1}

2. Evaluate and simplify:

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3 years ago
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What is three ways to express 3^5 as a product of powers
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Hope I helped!

Good Luck!

3 0
3 years ago
I need help with this ?
algol [13]

Answer:

[ - 2, - 7 ]

Step-by-step explanation:

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