Answer:
Step-by-step explanation:
Let for simplicity. now our equation is
(2a+1)(3a-1)
now expand
2a*3a-2a+3a-1 = 6a^2+a-1
remember that
thus we get
If there is supposed to be picture here, then it’s not showing.
For the first one I guess you'd divide 3/10 to get:0.03=3%
And for the second one I think you'd have to multiply 3% by 116 to get your answer as 3.48 million children from ages 15 and under
Hope this helps:)
Answer:
-20
Step-by-step explanation:
let x be the whole. 2/5 of x = -8 so -8 1/5 is -4. -4*5 to find the whole so its -20
Answer:
Matt was paid an average of $10 per hour of babysitting for the day.
Step-by-step explanation:
He babysat in the morning for 3 hours being paid $10 per hour. He later babysat in the evening for 5 hours being paid $20 per hour. Since he was being paid two different amounts throughout the day, the average would be $10. He was being paid atleast $10 per hour for babysitting because even though he was being paid $20 in the evening, the lowest amount of money that he was paid, was $10 making that the average.