Answer:
1.-113
2.62
Step-by-step explanation:
1.-9^2+3(-9)-5
-81+-27-5
-113
2.5(7-(-9))+2(-9)
5*16-18
80-18
62
Answer:
2/4-5
Step-by-step explanation:
Cindy needs to buy 8 packs of invitations.
Answer:
3.3333333333333...
Step-by-step explanation:
5 (2/3) = 3.33333333333 (repeating decimal)
Also,
10 (2/3) = 6.66666666666666666 (repeating decimal)
6.66666666666666 / 2 = 3.33333333333333 (repeating decimal)
Answer:
8, 18 and 36 respectively.
<h2>explanation</h2>
sum=54
1st number=x
2nd number=x+10
3rd number =2(x+10)=2x+20
x+x+10+2x+20=54
put the liketerms together
x+x+2x=54-10-20
4x=24
divide both sides by 4 to get
x=8
Input the other values
