Answer:
4
Step-by-step explanation:
Answer: 7t-28
Step-by-step explanation: Distribute the 7
Answer:
13x - 8 ≤ -32
Step-by-step explanation:
8 less than means subtract 8: -8
13 times the number x: 13x
is less than or equal to -32: ≤ -32
13x - 8 ≤ -32
The graph of a quadratic function does not cross the x-axis if the discriminant has negative value.
Answers:
C ) -25
D ) -7
Well if the alloy makes the 1000 grams, but you are dealing with copper that isn't even 100% copper, than you either need 55% more copper, which isn't given, which means you really need 550 grams of alloy copper.