Answer:
x+10
Step-by-step explanation:
Since the denominator is the same, we can subtract the numerators
2x+3 - (x-7)
Distribute
2x+3 - x+7
Combine like terms
x +10
If the variance is 5 then the standard deviation is √5.
If Z is the score then Z=(8-16)/√5=-3.58 approx.
The GCF of 120 and 220 Is 20 :) Its is 20 because both numbers are divisional by 20 Hope this helped and thank u
Answer:
well..the only equation is thats wrote right is(D)
Step-by-step explanation:
i wasnt sure if that was the correct answer and the way to know is by using i personally think which is desmos graphing calculator you can type in your equation and it graphs the line for you
20 ribbons
Explanation:
1st day— 5 ribbons
2nd day—2 x 5 = 10 ribbbns
3rd day— 2 x 10 = 20
Hope this helps
