Answer:
280
Step-by-step explanation:
when you estimate your problem becomes 4x70 so the answer is 280
7!/3!
7! = 7 X 6 X 5 X 4 X 3 ...
3! = 3 X 2 x 1
since the 3 X 2 X 1 part are repeated in both the numerator and denominator, we can divide them out
7!/3! = 7 X 6 X 5 X 4 = 42 X 20 = b. 840
Answer:
x <-10
Step-by-step explanation:
4/5 x +5 <-3
(-5 from both sides)
4/5x < -8
(Times both sides by 5/4)
x <-10
It’s either c or d i’m going more towards c so yeah sorry if it’s not right
A) i) - 1 + 2 + -3 = -2
ii) 4 - 9 = -5
b) i) xy
ii) y * y+1 ??