Solve for x using the quadratic formula. 4x^2-3x+8=0
2 answers:
Answer:
answer : x = 3±√ 119 / 16
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Answer:
x=
1
/3
+
−1
/3
√7
or
x=
1/
3
+
1
/3 √7
Step-by-step explanation:
−12x2+8x+8=0
a=-12, b=8, c=8
−12x2+8x+8=0
x=
−b±√b2−4ac
/2a
=
x=−(8)±√(8)2−4(−12)(8)
/2(−12)
x=
−8±√448
−/24
x=
1/
3
+
1
/3 √7 or x=
1
/3
+
−1
/3
√7
(btw not sure)
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Answer:
Step-by-step explanation:
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.55*X=231 .....X=231/.55.......X= 420
Imma take a guess maybe C
Answer:
54 cm
Step-by-step explanation:
Using the formula for the area of a trapezoid (area is the sum of the two bases times the height and then halved):
A = 1/2 (h) (b1 + b2)
5350 = 1/2 (h) (135 + 65)
5350 = 1/2 (h) (200)
5350 = h (100)
5350/100 = h
h = 53.5
h ≈ 54 cm
