Answer:
x=9
Step-by-step explanation:
Using elimination method.
Add equation 1 to equation 2
x + y = 11
x - y = 7
---------------
2x + 0 = 18
Divide both sides by 2
2x = 18
---- ----
2 2
x = 9
Answer:
the answer is A
Step-by-step explanation:
lemme kno if i got it wrong !
The base is 44 cut that in half to get the radius, R=22 height=6
fill in v=1/3 x 3.14 x r^2 x H
v = 1/3 x 3.14 x 22^2 x 6
22 x 22= 484
484 x 6 = 2904
2904 x 3.14= 9118.56
9118.56 x 1/3 = 9118.56/1 divided by 2735568/3 = 300
Answer:
q4. 3/8 chance of landing on even in one spin.
times 120 spins = 45.
Step-by-step explanation:
q5. first option is the answer.
Answer:
(1,6)
Step-by-step explanation:
To solve by substitution, rearrange -x+y=5 to y=x+5 and substitute it into 4x+y=10.
4x + (x+5) = 10
4x+x+5=10
5x+5=10
5x=5
x=1
Now substitute x = 1 back in to find y.
y= (1) + 5
y=6
Solution is (1,6)
Verify substituting both values into each equation in to verify true.
-x+y=5
-(1)+6 = 5
-1+6=5
5=5 True
4(1)+6=10
4+6=10
10=10 True
