Answer:
C
Step-by-step explanation:
You combine like terms and then order them according to their exponents (order)
Since the 4 has a negative but is going to get subtracted it becomes positive and therefore added
2 +(7x³ + 4x³) - 5x² = 2 + 11x³ - 5x²
Answer:
C. No, this is not a good statistical question because there are not a.
Step-by-step explanation:
- <em>Because you need a big amount of people to ask for it to be a A good statistical question.</em>
<u>Your welcome! Please mark brainliest</u>!
<u>(Or please correct me if I'm wrong)</u>
Answer x=22/5 or 4.4
Step-by-step explanation:
1. Combine like terms
15x-12=54
2. Add 12 to both sides
15x=66
3. Divide both sides by 15
15x/15=66/15
4. x=22/5 or 4.4
Answer:
[[[[[[[[[[[[[[[[
Step-by-step explanation:
oooo[
You could set up a ratio given that it is a 5% solution (5% of the total, not 5% of water.
5/100 = x/473 You need to find out how much is vinegar. Cross multiply
5 * 473 = 100 x Find the number on the left.
2365 = 100 x Divide by 100
2365 / 100 = x
x = 23.65 mL of vinegar.
The water is found by subtraction
473 - 23.65 = 449.35 mL of water.