Answer:
x = 5 and -6
Step-by-step explanation:
Using the intersecting chord theorem which states that the products of the lengths of the line segments on each chord are equal.
Hence:
let
a = 6, b = 5, c = x+1 and d = x
Therefore, ab = cd
6*5 = x(x+1)
30 = x²+x
x²+x - 30 = 0
x²+ 6x - 5x - 30 = 0
x(x+6) - 5(x+6) =0
(x-5)(x+6) = 0
x-5 =0 and x+6 = 0
x = 5 and -6
Y=z/x
for the second case y₁=(z/3)/3x =(z/x)*(1/9) =y/9
thus answer is A
6 less than a number is equal to 1 and 4 tenths
Answer:
B) -30
Step-by-step explanation:
multiply -20 by 3/2 to solve for x
Answer:
Molly paid for each song $1.5
Step-by-step explanation:
Let
x ------> amount that Molly paid for each song
we know that
The amount that Molly paid for each song multiplied by 8 is equal to the gift card value
so
The linear equation that represent this problem is
Solve for x
Divide by 8 both sides
Molly paid for each song $1.5