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3 years ago

12

Marco bounces a basketball 45 times in 60 seconds.at the rate approximately how many times will Marco bounce the ball 150 secon

ds?

1 answer:

worty [1.4K]3 years ago

4 0

Answer:

Approximately : 135

Step-by-step explanation:

60sec x 3 = 180sec

45 x 3 = 135

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REY [17]

Answer:

Step-by-step explanation:

Rationalize the denominator by multiplying both denominator & numerator by the conjugate of the denominator.

Conjugate of the denominator 1 + √3 is 1 - √3

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3 years ago

Slope of the line y=2x+5/2

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Jimay has 4 cups of sugar for a batch of cookies how many ounces of sugar does he have?

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The sum of a whole number and twice its square is 21. Find the whole number

I am Lyosha [343]

SOLUTION:

Let whole number = x

x + 2x^2 = 21

2x^2 + x - 21 = 0

2x^2 + 7x - 6x - 21 = 0

x ( 2x + 7 ) - 3 ( 2x + 7 ) = 0

( 2x + 7 ) ( x - 3 ) = 0

2x + 7 = 0

2x = - 7

x = - 7 / 2

OR

x - 3 = 0

x = 3

ANSWER:

Therefore, as 3 is a whole number while - 7 / 2 isn't a whole number, the whole number must be 3.

Hope this helps! :)
Have a lovely day! <3

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3 years ago