1 answer:
Answer:
x = 100
Step-by-step explanation:
The ratios of long side to hypotenuse are the same for all these triangles.
x/(x+10) = (x+10)/(x+21)
x^2 +21x = x^2 +20x +100 . . . . . multiply by (x+10)(x+21), expand
x = 100 . . . . . . . . . . . . . . . . subtract x^2 +20x
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Answer:
the answer is A
y= 1.9x + 69
y=6x
Answer: 20%
Step-by-step explanation:
25 = 100%
25/5 = 5
100/5 = 20
That means 80% passed and 20% didnt.
208 + 10x = 36x
208 = 36x - 10x
208 = 26x
208/26 = x
8 = x......so she must sell 8 purses to break even
They are 7 points away from each other.
-17/24 in decimal form: -0.7083
