A 9 3/5 inch long pipe is cut into eight equal length pieces. How long is each piece?
Answers
Answer:
1.2
Step-by-step explanation:
9 3/5 divided by 8
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Which equation is shown on the graph? A.y = 2x B.y = x + 2 C.y = 2x + 2 D.y = x – 2
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8n + 5n = 13n
Answers
Answer:
90% of the class has brown eyes
Step-by-step explanation:
=
27 x 100 = 2700/30 = 90 so 90%
Answers
6 · g · g · g
2g · 2g · 2g
2 · g · g · g
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Answer:
6g
Step-by-step explanation:
Answer:
G=-6
Step-by-step explanation:
Answers
Answer:
your answer is C.
Step-by-step explanation:
Check all that apply.
2x2 +9x + 4 = 0
Answers
Answer:
Step-by-step explanation:
Use quadratic formula:
x=((-b+-sqrt(b^2-4ac))/2a
x=((-9+-sqrt(9^2-4(2)(4))/2(2)
x=((-9+-sqrt(81-32))/4
x=((-9+-sqrt(49))/4
x=(-9+-7)/4
Solution 1:
x=-2/4
x=-1/2
Solution 2:
x=-16/4
x=-4
Now we check:
2(-1/2)^2+9(-1/2)+4=2/4+-9/2+4=1/2+-9/2+4=-8/2+4=-4+4=0 (x=-1/2 works)
2(-4)^2+9(-4)+4=2(16)+(-36)+4=32-36+4=-4+4=0 (x=-4 works)
So the solutions of the equation are x=-1/2 and x=-4
in this case
a=2 b=9 c4
for this equation we have the formula
x1/2 = (-b +- (root of) b2 -4ac) /2a
x1/2 = (-9 +- (root of) 81- 4×2×4)/2×2
x1/2= (-9 +- (root of) 81-32)/4
x1/2 = (-9 +- (root of) 49/4
x1/2 = (-9 +- 7)/4
x1= -9+7/4
x1=-2/4
x1=-1/2
x2= -9-7/4
x2= -16/4
x2= -4