Let the amount that the man placed in the first investment be
. Then, the amount that he placed in the second investment has to be
. Using those as the investment amounts, the total profit is given by adding the two separate profits as shown:
We can now solve for x:
Thus,
First investment:
Second investment:
Answer:
cut the two lines at the corner, don't let the lines touch
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y-intercept )
to calculate m use the gradient formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (0, - 2) and (x₂, y₂ ) = (4, - 1) ← 2 points on the line
m = =
note that the line crosses the y-axis at (0, - 2) ⇒ c = - 2
y = x - 2 ← equation of line
Answer:
17/7
Step-by-step explanation:
2g+2(-8+2g)=1-g
2g-16+4g=1-g
6g-16=1-g
6g-(-g)-16=1
6g+g=1+16
7g=17
g=17/7