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Vlada [557]
4 years ago
10

After a rainstorm, a rainbow appears across the sky in the shape of a parabola. The equation of the parabolic rainbow is y = −x 

2 + 100, where 2x is the width and y is the height. How wide is the rainbow 25 miles above the ground?
Mathematics
1 answer:
Charra [1.4K]4 years ago
8 0
X=37.5
so 2x=75
.............
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yaroslaw [1]

Answer:

see below

Step-by-step explanation:

3)   8

4)  4

5)  14

6)  47

7)  18/5

8)  3/2

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11)  21

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14)  1

15)  25/2 or 12.5

16)  0

17)  48

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19)  9765625

20)  343

21)  8.1x10⁻³

22)  10.24

23)  1/156

24)  n⁷

25)  y⁶

26)  t⁴

27)  error is 0.4² should be 0.02²

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29)  9

30)  100

31)  1

32)  1331

33)  125

34)  1024

35)  64

36)  1296

37)  1/16

38)  16/81

39)  27/125

40)  1/216

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3 years ago
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