She has to donate 46 more 127 x 2 +n=300 You have to add 127 twice, which gives you 254. Then you subtract that from 300.
Answer:
( 9w - 2z)^2
Step-by-step explanation:
81w^2 - 36wz + 4z^2
Rewriting as
(9w)^2 - 2 * 9 w 2z + (2z)^2
We recognize that this is a perfect square binomial
a^2 -2ab + b^2 is a perfect square binomial because it factors to (a - b)^2
let a = 9w b = 2z
81w^2 - 36wz + 4z^2 = ( 9w - 2z)^2
Answer:
Y=x+6
Step-by-step explanation:
Answer:
-14/25
Step-by-step explanation:
-4/5 * 7/10
Multiply the numerators
-4*7 = -28
Multiply the denominators
5*10 = 50
numerator/ denominator
-28/50
Divide top and bottom by 2
-14/25
