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3 years ago

Which ordered pair is a solution to this equation? y = 2x + 1

Mathematics

2 answers:

Irina18 [472]3 years ago

8 0

Y = 2x + 1
y - 1 = 2x
x = y - 1/2

balu736 [363]3 years ago

4 0

I think this is the answer: (0,1),(1,3),(2,5)

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A rectangle with a perimeter of 19m^2+2m-10 and a width of m^2 write an expression for the lenght

never [62]

Answer: $\frac{17}{2}m^2+m-5$

Step-by-step explanation:

By definition, the perimeter of a rectangle is:

$P=2l+2w$

Where "l" is the lenght and "w" is the width.

If you solve for "l":

$P-2w=2l\\\\l=\frac{P-2w}{2}$

In this case, you know that the following expression represents the perimeter of the rectangle:

$19m^2+2m-10$

And the width of that rectanle is represented wih this expression:

$m^2$

Therefore, based on the explained above, you can conclude that the lenght of that rectangle is given by:

$\frac{19m^2+2m-10-2(m^2)}{2}$

Finally, simplifying the expression, you get:

$=\frac{17m^2+2m-10}{2}=\frac{17}{2}m^2+m-5$

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4 years ago

Spencer has a Doctorate degree and earns an annual salary of $96,000. He works 40 hours per week for 48 weeks per year. His brot

Stells [14]

Answer:

23 or 23.00

Step-by-step explanation:

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6 0

3 years ago

X+4/4=x/x-2 A:{-4,2} B:{-2,4} C:{}

Andreyy89

Answer:

The correct answer is B. {-2,4}

Step-by-step explanation:

Let's solve for x, this way:

x + 4/4 = x /x -2

(x + 4) * ((x - 2) = 4 * x

x² - 2x + 4x -8 = 4x

x² - 2x + 4x -8 - 4x = 0

x² - 2x -8 = 0

(x - 4) * (x +2) = 0

x - 4 = 0

x + 2 = 0

x₁ = 4

x₂ = - 2

The correct answer is B. {-2,4}

3 0

3 years ago

(x^2+10x+20)/(x+4) find the quotient and remainder

denis23 [38]

The correct answer is x + 6, with a remainder of -4.

Work is shown using synthetic division.

4 0

3 years ago

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Olenka [21]

Answer:

divide the numbers that are on the paper

Step-by-step explanation:

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3 years ago