Answer:
9
Step-by-step explanation:
7x+3+5x²
ax²+bx+c
5x²+7x+3
Hoped this helped!
Answer:
The answer is 6x10^-4.
Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10
.
If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
No, it is not a valid inference because her classmates do not make up a random sample of the students in the school.
20% of $720( original cost)= $144 (discount)
$720- $ 144 = $576 (discounted cost)
5% tax = $36 (tax payed)
tax + cost of phone = $612 (total of both tax and discounted cost)
20% of $612=$122.40 (deposit cost?)