Answer: 7.29 or 7 1/4 or 29/4 (they're all equal, just rewritten)
Step-by-step explanation:
the angles are equal, so we set the equations to each other and then solve. here's my work:
12k - 9 = 8k + 20
12k (- 8k) - 9 = 8k ( - 8k) + 20
4k - 9 = 20
4k -9 ( + 9) = 20 ( + 9)
4k = 29
k = 7.29 or 7 1/4 or 29/4
Answer:
option ( c ) is correct !!
Step-by-step explanation:
Given equations :-
y = -6x + 9 ________ ( i )
y = -3x + 3 .....( ii )
Equating both i and ii
-6x + 9 = -3x + 3
-6x + 3x = 3-9
-3x = -6
x = -6/-3
x = 2
Also, y = -3x + 3
y = -3(2) + 3
y = -6 + 3
y = -3
So, ( x , y ) = ( 2 , -3 )
Answer: 2 x2=4 or 2x-2=-4
Step-by-step explanation: its simple math
Answer:
V = 32
Step-by-step explanation:
Comment
I think you should try this one yourself after I post my answer. Estimation is a very valuable tool -- the more you use it, the handier it gets.
Formulas
pi = 3
V = 4/3 * pi * r^3
Givens
r = 2
pi = 3
Solution
V = 4/3 * pi * r^3 Substitute values for symbols
V = 4/3 * 3 * 2^3 Cancel the 3s
V = 4 * 2^3 Expand the 2s
V = 4 * 2 * 2 * 2 Find V
V = 32
It's a deal.
Tell us the ratio, and we'll get right to work on it.
