The number 9 in scientific notation is 8•10^0
Let x is Jiri's age
2x is Pamela's age
x + 2x = 33
3x =33
x = 33/3
x =11
Answer: Jiri's age is 11
Answer:
90/200
Step-by-step:
Kahn Academy marked it correct
Answer:
1. x=3
2. x=2
3. 0 i think
4. y=6
5. x=7/5
Bonus: k=6
Step-by-step explanation:
combine like terms
Answer:
B
x is the price of the sweater so 3x and add $15 for the skirt which would add up to $90