Answer:
x = 8/7
Step-by-step explanation:
log (X + 8) = log x + log 8
We know that log a + log b = log ab
log (X + 8) = log 8x
Raise each side to base 10
10^log (X + 8) = 10^log 8x
x+8 = 8x
Subtract x from each side
x+8-x = 8x-x
8 = 7x
Divide by 7
8/7 = 7x/7
8/7 =x
Answer:
5
Step-by-step explanation:
500 divided by 100
Answer:
y= 6x - 5
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
Put the given point into the equation and solve for a.
f(-2) = a(-2 +3)² -4 = a -4 = 2
a = 6 . . . . . add 4
The a-value in the equation is 6.
Answer:
jack (with the lower case j) is 11 years old
Step-by-step explanation:
(x - 5) + (3x - 5) = 34
x - 5 + 3x - 5 = 34
4x = 34 + 10
4x = 44
x = 11
So, jack = 11 years old.
Jack = 33 years old.