Answer:
3x+6
Step-by-step explanation:
(x+2)3
3(x)+3(2)
3x+6
Answer:
2.5
Step-by-step explanation:
Basically, you take your total of $9.25 and subtract $1.75. That gives you $7.5 so then you divide by 3 which gives you your answer: $2.5
It is exactly the same thing except your just adding more multiplication
Mwamini drinks juice at the rate of 40 sec per liter, and her time limit is 120sec.
I think not sure
22. Step by step: 2x^2+5x-3=0
factor the left side
(2x-1)(x+3)=0
set the factors to equal zero
2x-1=0 and x+3=0
x=1/2 x=-3
23. Use same technique.
3x^2-13x-10=0
factor the left side once more
(3x+2)(x-5)=0
set factors to zero
3x+2=0 and x-5=0
x=-2/3 x=5
