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Jet001 [13]
4 years ago
9

Andrea wants a diamond necklace and its selling price is $60. There was a discount of 5%. How much did Andrea pay?

Mathematics
2 answers:
devlian [24]4 years ago
6 0
So discount means less so find 5%
remember that percent means parts out of 100 so
5%=5/100=1/20
find 1/20 of 60
'of' means mulitpy in math
1/20 ties 60=3
5%=3
discoutn is 3
subtract 3 from 60
60-3=57


she paid $57
mojhsa [17]4 years ago
6 0
You would need to take the known information. you have $60 and a 5% discount. multiply 60 by 0.95 to figure out how much was payed :)
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The height, h, in feet of a gold ball above the ground after being hit into the air is given by the equation. H=-16t2+64t, where
stiv31 [10]

Answer:

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Step-by-step explanation:

Given : H = -16t^{2} +64t

To Find: How many seconds does it take for the golf ball to hit the ground?

Solution :

Since we are given an equation : H = -16t^{2} +64t

Where H denotes height

t denotes the number of seconds elapsed since the ball was hit.

When he golf ball to hit the ground at that time the height becomes 0

So, put H = 0 in the equation

H = - 16t^{2} +64t

0 = - 16t^{2} +64t

16t^{2} = 64t

16t = 64

t =\frac{64}{16}

t =4

Thus it take 4 seconds for the golf ball to hit the ground

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Step-by-step explanation:

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