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DaniilM [7]
3 years ago
15

Yea I need help !! I can't understand this!!

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0
40. 24+26=50 41. I don't understand that one either what grade are you in?
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Solve –16t² +144= 0 to find the number of seconds, t, it takes for an object dropped from 144 ft above the ground to hit the gro
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Answer:

h(t) = -16t2 + 144

h(1) = -16(12) + 144 = 128 ft

h(2) = -16(22) + 144 = 80 ft

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It fell 48 ft between t = 1 and t = 2 seconds.

It reaches the ground when h(t) = 0

0 = -16t2 + 144

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Step-by-step explanation:

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/Which of the following is a solution of y - x < -3? A= (6,2) B= (2,6) C= (2,-1)
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In similar figures, the angle measures are the same but the side lengths are different.  So in #4, x = 42.  Since all the angles of a quadrilateral added up equal 360, then y is 360-90-90-42=138.  For number 5, make sure you match up the sides correctly in your ratio: \frac{2}{x}= \frac{4}{8}.  You could cross multiply to get 4x=16, and x = 4, or you could just realize that reducing 4/8 will give you 2/4 and x = 4.  Going back to the idea that in similar shapes corresponding angles are the same measure, x in #6 is 63
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