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siniylev [52]
3 years ago
7

Brianna loves to compete in triathlons. At a race a few months ago, she finished in 360 minutes. At a race yesterday, she took 3

0% more time to finish. What was her time at yesterday's race?
Mathematics
1 answer:
QveST [7]3 years ago
4 0

Answer:

468 minutes

Step-by-step explanation:

Given data

At a race a few months ago, she finished in 360 minutes

let us find 30% of 360 minutes

=30/100*360

=0.3*360

=108 minutes

Hence she finished with an added time of 108minutes

Therefore, in all she finished in

=108+360

=468 minutes

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Nataly_w [17]

Answer D). 9 ft is correct

Height of the ball at a horizontal distance of 10 feet is 9 ft

Step-by-step explanation:

A ball is thrown and it follows a parabolic path. At each horizontal distance (x) the following equation models the ball’s height (y).

Y(x) = -0.02x^{2} +0.8x+3

Question asked is " What will be height (Y) of the ball when X=10 ft "

Simply putting value of X in given equation

we get,

Y(x) = -0.02x^{2} +0.8x+3

Y(x) = -0.02(10)^{2} +0.8(10)+3

Y(x) = -0.02(100)} +8+3

Y(x) = -2 +8+3

Y(x) = 9

<em>Therefore,</em> Height of the ball at a horizontal distance of 10 feet is 9 ft

Answer D.  9 ft is correct

6 0
3 years ago
Find the probability of rolling a 4 or less on the first die, and a 5 or less on the second die
bearhunter [10]

Answer:

first dice-4/6

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Step-by-step explanation:

if you have six possible outcomes for the first dice and you want it to roll 1 thru 4 then you have a four out of six chance and you have a 5 out of six chance for the second dice

3 0
3 years ago
Help me with this equation Please
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Answer:

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Step-by-step explanation:

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Total = $2598.80

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2 years ago
Someone please help me answer this!!
dybincka [34]

Answer:

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Step-by-step explanation:

points are (-7,-2) and (9,6)

Pythagorean theorem can be written as,

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Rounding off,

d = 17.9 units

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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