C = pi * d
a = pi * (d/2)^2
Answer:
The first graph.
Step-by-step explanation:
Algebra Calculator.
#2 #3 and #5 I think but I could be wrong. Good luck!
Answer:
0333
Step-by-step explanation:
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1112222
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11122222 ans
Step-by-step explanation:
problem 1.
1. 6y = 30
2. y = 5
3. 3x + 2(5) = 16
4. 3x+10=16
5. 3x=6
6. x=2
solution: (2,5)
problem 2.
1. x=7
2. 4(2)-2y=18
3. 28-2y=18
4. -2y= -10
5. y=5
solution (7,5)
problem 3
10x=10
x=1
7(1) +y =-2
y=-9
(1,9)
problem 4
0= -6
no solution
problem 5
0=0
Infinite many
