Answer:
- 15x² + 7x + 1
Step-by-step explanation:
Given
2x² - 9 - 17x² + 10 + 7x ← collect like terms
= (2x² - 17x² ) + 7x + 1
= - 15x² + 7x + 1
Answer:
24?
Step-by-step explanation:
Answer:
5 pounds
Step-by-step explanation:
Given that:
Amount of gift card = $80
Cost of coffee per pound = $8.24
Amount left in the card = $38.80
To find:
Number of pounds of coffee bought = ?
Solution:
Let the number of pounds of the coffee bought = pounds
Cost of 1 pound = $8.24
Cost of pounds = $8.24
Writing the equation as per question statement:
Therefore, 5 pounds of coffee was bought.
D the argument is not valid because the conclusion does not follow from the premises
25.65 ÷ 15 = 1.71
So, the answer to this problem is 1.17