Answer: 
Step-by-Step Explanation:
Let's solve for 
.
Step 1: Multiply both sides by 
.
Step 2: Multiply both sides by 
.
Step 3: Add 
to both sides.
Step 4: Add 
to both sides.
Step 5: Add 
to both sides.
Step 6: Factor out variable .
Step 7: Divide both sides by 
.
Answer:
Answer:
2 hours
Step-by-step explanation:
Let's denote the amount of time we need to find out, t.
=> 600 + 50t < 500 + 100t
or 600 - 500 < 100t - 50t
or 100 < 50t
or 100/50 < t
or t > 2
=> After 2 hours, company B will be cheaper option than company A
Answer:
6x^2-10
Step-by-step explanation:
You add like terms. All the x^2 you add them and you add together the ones that are not multiplied by x. Make sure to distribute the negative.
Answer:
The third option
Step-by-step explanation:
The third option represents 65 over 100, meaning 65% of whatever of it would the 65% of 90 be
20? I’m not for sure maybe look in the book? That’s the answer I got and it was right
