Y=a(x-h)^2+k
is what vertex form look like. (h,k) is your vertex so in this problem your vertex would be (60,200)
1,5,25
I write all the multiples that equal 25 out,
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Answer:
p=8
n=3
Step-by-step explanation:
let number of pennies=p
number of nickels=n
p+n=11
n=11-p
1*p+5*n=23
p+5(11-p)=23
p+55-5p=23
55-4p=23
4p=55-23=32
p=32/4=8
n=11-8=3
Answer:
17°
Step-by-step explanation:
ΔXWZ = ΔYWZ (they are congruent triangles so ∠XWZ = ∠YWZ)
5x - 8 = 9x - 28
Rearrange and collect the like terms
-8 + 28 = 9x - 5x
20 = 4x
x = 5°
∠YWZ = 9x - 28
sub x = 5
= 45 - 28
= 17°
Answer:
the third one
Step-by-step explanation:
8x + 40 ≥ 0
8x ≥ -40
x ≥ -5
