Answer:
a and b.
Step-by-step explanation:
I’ll explain by giving an example.
Let’s say that: a=3;b=4;c=5; => they all are consecutive -> their sum is 12.
=> if we use a) n=3 => 3*n+3=3*3+3=12 => correct.
b) n+(n+1)+(n+2)= 3+4+5=12=> correct.
c)n+2n+3n=3+6+9=18=>incorrect.
d)3n=3*3=9=>incorrect.
Answer:
x = -3/89
Step-by-step explanation:
The mistake Shawna made was in her answer the 54 repeats so the bar should be over the .54 not the .545
Answer:
$18.24 (C)
Step-by-step explanation:
15.20 x 0.20 = 3.04
3.04 + 15.20 = 18.24
Hope this helped!
Answer:
A AND B IS TRUE C IS FALSE
Step-by-step explanation:
