Answer:
3k^2 -k+5
reason:
when adding two equations together, you combine like terms.
First, add -2 to 7 to get 5
Then, add k, or 1k, to -2k, which gives you -1k, or just -k
3k^2 stays the same because there are no like terms in the other equation to combine it with
Answer:
heres a example
Step-by-step explanation:
A sports club needs to raise at least $500 by selling chocolate bars for $2.50 each. Sebastian wants to know how many chocolate bars, c, the sports club must sell in order to reach its goal. Which of the following must be true about the inequality and the resulting graph?
they must sell at least 200 choc bars
c=choc bars
2.5c>or=500
divide both sides by 2.5
c>or=200
Answer:
geometric sequence; common ratio: 2
Step-by-step explanation:
because you would have to multiply a number to get to the next and the next number in line, this is geometric. The common ratio is 2 because each time the number increases you multiplying by two
Hello here would be your answers:
mean: 13.6
mediun: 15.5
mode: 16
remember it like this
Mean is the average
Mode is the most often number
Range is when you subtract the smallest number from the largest number
Medium is the middle number when you line it up from the greatest to the least.
hope this helps!