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Elza [17]
2 years ago
6

Use the substitution method to determine the solution to the system of equations below. y-2x+2=1 6x-3y=3​

Mathematics
1 answer:
vesna_86 [32]2 years ago
4 0

Answer:

y-2x=-1

y=-1+2x

y=-(2x-1)

y=-2x+1---->

6x-3y=3 (or 2x-y=1)

2x-(-2x+1)=1

2x+2x-1=1

4x=2

x=1/2

-------------

subtitate 1/2

y-2(1/2)=-1

y-1=-1

y=0

hope it helps you

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Step-by-step explanation:

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6 0
2 years ago
To put a narrow border around a square photo, Alicia has 32 inches of trim. The area of the photo is 60 square inches. Will she
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Answer: Yes, she will have enough trim for all four sides of the square, because the perimeter of the square photo (30.98 inches) is less than  32 inches of trim she has.

Step-by-step explanation:

The formula for calculate the area of a square is:

A=s^2

Where "s" is the lenght of any side of the square.

The formula for calculate the perimeter of a square is:

P=4s

Where "s" is the lenght of any side of the square.

We know that that the area of the photo is 60 square inches, therefore, we can solve for "s" from the formula  A=s^2 and find its value:

A=s^2\\\\s=\sqrt{A}[\\\\s=\sqrt{60in^2}\\\\s=2\sqrt{15}in

Substituting the value of "s" into the formula P=4s, we get that the perimeter of the photo is:

P=4(2\sqrt{15}in)=30.98in

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8 0
3 years ago
I don’t know how to do this one.
serious [3.7K]

Answer:

(a) The unit circle is centered at (0,0) with a radius of 1.

(b) The equation of a circle of radius <em>r</em>, with a center located at (0,0):

<em>x</em>²<em>+ y</em>² <em>= r</em>².

(c) (i) P(1,0)

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    (iii) P(-1,0)

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Step-by-step explanation:

5 0
3 years ago
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Step-by-step explanation:

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y = 2x + 1

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Substitute y = 2x + 1 into 4x - 2y = 4

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4x - 4x - 2 = 4

0x = 4 + 2

0x = 6

Anything to the multiple of zero is zero. Hence 0x = 0, and 0 ≠ 6

So there is no solution to the equation.

8 0
2 years ago
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Answer:

True

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