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zimovet [89]
3 years ago
14

What are the solutions if 1/4x^2 =-1/2x+2?

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
7 0

Answer:

Step-by-step explanation:

\frac{1}{4}x^{2}= \frac{1}{2}x +2\\\frac{1}{4}x^{2}- \frac{1}{2}x -2=0\\\frac{x^{2}-2x-8 }{4}=0\\\\x^{2}-2x-8=0\\ x^{2}-4x+2x-8=0\\x(x-4)+2(x-4) = 0\\(x-4) (x+2) = 0\\SO, \\x= 4 or x= -2

Korvikt [17]3 years ago
6 0

Answer:

A. on edge 2020

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The perimeter of a rectangle is 32 inches. The length is 1 foot. What is the width of the rectangle in inches? A. 4 inches B. 10
alekssr [168]

Answer:

A. 4 inches

Step-by-step explanation:

Applying,

P = 2(L+W)............. Equation 1

Where P = Perimter of the rectangle, L = Length of the rectangle, W = width of the rectangle.

make W the subject of the equation

W = (P/2)-L............ Equation 2

From the question,

Given: P = 32 inches, L = 1 foot (Convert from Foot to inches), L = 12 inches

Substitute these values into equation 2

W = (32/2)-12

W = 16-12

W = 4 inches.

Hence the right option is A.

6 0
3 years ago
Mr. peters buys 3 1/4 pound of grapes for $4.55 what is the unit cost of the grapes
anastassius [24]
Divide 3 1/4 with 4.55
6 0
2 years ago
Hello! please help with this question.
Harlamova29_29 [7]

Answer:

D

Step-by-step explanation:

A) more like parallel line

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3 0
3 years ago
6x(4²-9) help please
Anastasy [175]
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2 years ago
What is a solutions of x^2-2x+10=0?​
Debora [2.8K]

Answer:

x = 1± 3i

Step-by-step explanation:

x^2-2x+10=0

We can complete the square to solve by subtracting 10 from each side

x^2-2x+10-10=-10

x^2 -2x = -10

We need to add (2/2) ^2  to each side or 1

x^2 -2x+1 = -10 +1

x^2 -2x+1 = -9

The left side factors into (x- (2/2) ) ^2

(x-1) ^2 = -9

Take the square root of each side

sqrt((x-1) ^2 =± sqrt(-9)

x-1 = ±sqrt(-1) sqrt(3)

Remember the sqrt(-1) = i

x-1 = ± 3i

Add 1 to each side

x-1+1 = 1± 3i

x = 1± 3i

8 0
2 years ago
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