Answer:
x = 64
Step-by-step explanation:
To find the value of x, just divide 128 by 2.
It'll get you 64.
To check your answer, just: 2 · 64 = 128
Answer:
9'9 and 81'1
Step-by-step explanation:
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Answer:
Call the numbers a, b, c, d. What does it say if their mean is 15? That would be that added together then divided by 4 you get 15. So the number before you divided by 4, which is the sum, was 60. If you know some algebra, the equation (a+b+c+d)/4=15 gives the sum of 60 when you multiply both sides
A=x^2
B=-3x
C=10
Thats the a,b, and c for that question
Point slope form
(y-y1)= m(x-x1)
Point
(X1= -6, y1=4)
Slope
m= 3-4/1+6= -1/7
Answer is
y-4= -1/7(x+6)
Slope intercept
y= mx +b
y-4= (-x/7) -6/7
y= -x/7 -6/7+4
Answer is
y= -x/7 +22/7