4*(2x+1)=(2x+1)+(2x+1)+(2x+1)+(2x+1)=
2x+2x+2x+2x+1+1+1+1=
=8x+4
I hope this is ok !
Answer:
240
Step-by-step explanation:
1 percent=10 dollars
10 percent=100 dollars
=120 dollars in one year
times 2 [2x]=
240
Check:
10 times 10=100 dollars
100+20=120
x2=
120+120 <em>or</em> 120 times 2=
240
32001 in scientific notation is:
3.2001 x 10^4.
Answer:
25.5 m
Step-by-step explanation:
solve for the area of the triangle and the rectangle separately, then add the values together.
Answer: Jiří is 5 years old.
Step by step:
Let x denote Jiří's age in years. Then Pamela's age is 3x. Their sum is x + 3x = 20. So we solve for x:
x + 3x = 20
4x = 20
x = 5
Jiří's age is 5 years
