Answer:
3.
Step-by-step explanation:
Let's break it down.
Sparkles used 12 balloons total to make 4 balloon animals. Divide 12 by 4, and you will get 3.
What I did for part 2 of the equation, is I multiplied 4 and 5 by 3 to ensure the variable matched my calculations. 4x3 is 12, and 5x3 is 15. add 12 and 15, and you will get 27 total balloons.
Answer:
https://www.khanacademy.org
Step-by-step explanation:
Khan Academy is free and you can choose by grade level or course. It's a personalized learning experience with videos and practice exercises that includes progress tracking.
Answer:
2 - 2<em>n</em>
Step-by-step explanation
We can use<em> n</em> for the number.
2 - 2(<em>n</em>)
2- 2<em>n</em>
•Using the formula the first term is a1 = −3
•Using the formula the second term is a2 = −1
•Using the formula the third term is a1 = 6
•Common difference formula:
a2 - a1 = (-1) - (-3) = 2
