Using the intersecting chord theorem:
15 x 2 = 5 x n
Simplify:
30 = 5n
Divide both sides by 5:
n = 30/5
n = 6
Answer:
y=(3/2)x + 1
Step-by-step explanation:
use formula y=mx+b
M is slope
B is y intercept
use point (2,4) for Y2 and X2, and point (0,1) for Y1 and X2 to find the slope.
(Y2(4) - Y1(1))/ (X2(2) - X1(0)) =
(4-1)/(2-0)= 3/2 for slope=M
y intercept is just the point found on the y axis (0,1) so it's just 1. B=1
so then plug in the numbers for the variables.
y=(3/2)x + 1
A is the only option so that is the answer, i guess.
Distributive
(10 + 6)60
600 + 360
960
so first find decrease
72-60=12
now find percent discount of 100
12/72=1/6=0.16666/1
percent means parts out of 100 so j x%=x/100
make 0.1666/1 into over 100
0.166666/1 times 100/100=16.6666/100=16.6666%
roound to tenth
16.7%
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