caschmitt3821
28.07.2019 •
Mathematics
Which expression has an equivalent value to x2 + 9x + 8 for all values of x?
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Ответ:
We cant not use the numbers that are above to would give us 8. 2+9 would not equal 8 which would then show us that your answer may be the following:
Your
Ответ:
(x+1) (x+8)
Step-by-step explanation:
Ответ:
sin 20 = x/3.4
Multiply by 3.4:
3.4sin20 = x
This gives us 3.1 for the vertical distance.
If, however, you need to know the horizontal distance from the starting point, we would use cosine, since that leg is adjacent to the given angle:
cos 20 = x/3.4
3.4cos 20 = x
1.4 = x
The helicopter comes down 1.4 kilometers away from where it lifted off.