Answer:
19
Step-by-step explanation:
Answer:
#1 is 3x + 4 =-17 #2 is 3x =-21 #3 is x = -7 #4 is 2x + x +4 = -17
Step-by-step explanation:
#1 gives you the problem ready to be worked out. #2 all you need to do to finish it is divide both sides by 3. #3 the answer is already there. #4 You need to combine the like terms then solve the problem.
Answer:
$0.04/lb
Step-by-step explanation:
Cost per lb for the 3 lb package is $7.80/(3 lb), or $2.60/lb)
Cost per lb for the 1/2-lb package is $1.28 / [(1/2) lb], or $2.56.
The difference in cost per pound is $2.60 - $2.56, or $0.04/lb
Answer: 28 <= h <= 32
Step-by-step explanation:
the actual height can be at most 2inches higher or lower than the average
Answer:
Let the number of females and males be 5x and 9x respectively.
- <em><u>Given </u></em><em><u>-</u></em><em><u> </u></em><em><u>number </u></em><em><u>of </u></em><em><u>females </u></em><em><u>=</u></em><em><u> </u></em><em><u>2</u></em><em><u>5</u></em>
Therefore ,

Then ,

hope helpful~