Answer:
Option C. 3
Step-by-step explanation:
Let M1 be the slope of the red line
Let M2 be the slope of the green line
From the question:
Slope of red line (M1) = – 1/3
Slope of green line (M2) =.?
The slopes of perpendicular lines are related as follow:
M1 = –1 / M2
With the above formula, the slope of the green line (M2) can be obtained as illustrated below:
Slope of red line (M1) = – 1/3
Slope of green line (M2) =.?
M1 = –1 / M2
– 1/3 = –1 / M2
Cross multiply
– 1 × M2 = – 1 × 3
– 1 × M2 = – 3
Divide both side by –1
M2 = – 3/ –1
M2= 3
Therefore, the slope of the green line is 3.
Step-by-step explanation:
15÷3=5
There are 5 equal groups of 3
8÷4=2
There are 4 equal groups of 2
18÷6=2
There are 3 equal groups of 3
45÷5=9
There are 9 equal groups of 5.
Note that the ratio is <em>boys to girls</em>
Therefore, boys go first, then girls
boys = 5
girls = 8
A) 5:8 is your answer, for it follows the boys : girls pattern
hope this helps<em />
I think this should be right
Answer:
-2x^3+x^2+5x-5
Step-by-step explanation:
f(x) = 4 - 2x – 2x^3
g(x) = x² + 7x-9
f(x) + g(x)=4 - 2x – 2x^3+ x² + 7x-9
Combine like terms
f(x) + g(x) = -2x^3+x^2+5x-5
