Answer:
a = - 4
Step-by-step explanation:
Given x = - 2 is a root then f(- 2) = 0
f(x) = x³ + x² + ax - 4, thus
f(- 2) = (- 2)³ + (- 2)² - 2a - 4 = 0, that is
f(- 2) = - 8 + 4 - 2a - 4 = 0, thus
- 8 - 2a = 0 ( add 8 to both sides )
- 2a = 8 ( divide both sides by - 2 )
a = - 4
Answer:
its 2.62
Step-by-step explanation:
Answer:
the answer is 4
Step-by-step explanation:
because i did it on desmos that is a graphic calculator
Answer: 27 candles.
Step-by-step explanation:
A rectangular prism has a volume calculated by length x width x height.
In this case, the candles have a volume of 220 cm³.
If the company used 5940 cm³ of wax, to find how many candles they made, you just divide them:
You get 27 candles.
16 vegetables because 75-68=7 and 80-71=9 and 9+7=16
