42 = 3x - 15 Since you know x = 19, you can plug in 19 for "x" in the equation
42 = 3(19) - 15
42 = 57 - 15
42 = 42 This is the solution
x = 19 is the solution because 3 • 19 – 15 = 57 – 15 = 42. (3rd choice)
Answer:
A
Step-by-step explanation:
The answer is A, because with absoulute value, the negative number will become positive. So positive 16 is obviously a bigger number than positive 4.
Have a great day friend! :D
Answer:
Step-by-step explanation:
The sum of an alternating geometric series SUM((-1)^n*ar^n) = a/(1+r). The given series has r=2/3 and a=1. The sum will be 1/(1+2/3)= 3/5
Answer:
(x - 6)^2 + (y + 4)^2 = 4
Step-by-step explanation:
formula for a circle
( x - h )^2 + ( y - k )^2 = r^2
(h,k) is the center
r is the radius
(6,-4) is center
2 is radius
Substitute in numbers and watch the negatives.
-7x-3x+2=-8x-8 | combine like terms
-10x+2=-8x-8 | add 8x
-2x+2=-8 | subtract 2
-2x=-10 | divide by -2
x=5