The quadratic that has the roots x=8 and x=-5 is
x^2-3x-40
Hope this helps you! (:
-Hamilton1757
Answer:
0.0365 pounds per dollar
$2.79 per pound
$2.79 per pound is typically used
Step-by-step explanation:
13.95/5 = $2.79 per pound
5/13.95 = 0.0365 pounds per dollar
Answer:
7j+7
Step-by-step explanation:
2j+4j+j+7
combine like terms
7j+7
Sorry I don't really know how to explain it, but you just have to combine terms with the same unit
Answer:
241 tons
Step-by-step explanation:
312-170=142
142÷2=71
170+71=241
241+71=312
train B weighs 241 tons
When you divide two fractions, you do Keep, Change, Flip or KCF. So you keep the 3/5, you change the division sign to a multiplication sign, then flip the 3/15 to 15/3. So the new equation is 3/5x15/3. Then you simply the two sides so it becomes 1/1x3/1.....
Meaning the answer is 3.
