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Marianna [84]
2 years ago
5

Acellus If f(x) = -x2 – 1, and g(x) = x + 5, then g(f(x)) = -x2 + [? ]x + [ ] Enter

Mathematics
1 answer:
SOVA2 [1]2 years ago
5 0

Answer:

I don't know I wanted help

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A line segment has endpoints A(4, 8) and B(2, 10). The point M is the midpoint of AB. What is an equation of a line perpendicula
Vera_Pavlovna [14]
I)

The Midpoint M of the line segment AB is found using the Midpoint formula:

M=( \frac{4+2}{2} , \frac{8+10}{2})=(3, 9)

ii)

the slope of the line through A and B is found by the slope formula:

m= \frac{y_1-y_2}{x_2-x_1}= \frac{10-8}{2-4}= \frac{2}{-2}=-1

iii)

the product of the slopes of 2 perpendicular lines is -1, so the slope of the line perpendicular to the line through A and B is -1/(-1)=1

iv) 

the equation of the line with slope 1, which contains point M(3, 9) is found by the slope point form equation of a line:

y-9=1(x-3)

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y=x+6


Answer: y=x+6

7 0
3 years ago
A bag contains 3 blue marbles, 2
mr_godi [17]

Answer:

D 1/6

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The probability would be 31/100.
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