Answer:
140r2
Step-by-step explanation:
Answer:
x=0, x=-7
Step-by-step explanation:
x(x+7)=0
Solution 1:
x=0
Solution 2:
x+7=0
x=-7
Answer:
No graph was put in, but heres a helpful answer.
Step-by-step explanation:
There is no graph, but
Y=-1(2x-2)+1
y=-2x+2+1
y=-2x+3
Answer:
2nd option
Step-by-step explanation:
r + 1 = 23 ( subtract 1 from both sides )
r = 22 ( multiply both sides by 3 to clear the fraction )
r = 66 ( divide both sides by )
r = 
× 
( rationalising the denominator )
r = 
= 33
