Answer:
-3
Step-by-step explanation:
GCF = greatest common factor
What is in common with 3x and 18? They are both multiples of 3.
3 times x = 3x
3 times 6 = 18
However, it is -3x and -18
So we can add a negative sign in front of the 3
Therefore, the GCF is -3.
I hope this helped and please mark me as brainliest!
1+3+5+7+...+999 =
= 1+2+3+4+...+500
+1+2+3+...+499
= 2·(1+2+3+...+499) + 500
= 2·(499·500)/2 + 500
= 499·500 + 500
= 500·(499 + 1)
= 500·500
= 250.000
Answer:
try A
Step-by-step explanation:
Answer:
7 horses and 8 chickens
Step-by-step explanation:
To solve this, first you would need to list out all of the available ratios. Then, find out how many legs are in each option.:
14 horses and 1 chicken = 58 legs
13 horses and 2 chickens = 56 legs
12 horses and 3 chickens = etc.
11 horses and 4 chickens
10 horses and 5 chickens
9 horses and 6 chickens
8 horses and 7 chickens
7 horses and 8 chickens = 44 legs!
6 horses and 9 chickens
5 horses and 10 chickens
4 horses and 11 chickens
3 horses and 12 chickens
2 horses and 13 chickens
1 horses and 14 chickens
Answer:
Step-by-step explanation:
