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3 years ago

What is the quotient? 2 1/2÷(−1 3/4)

Mathematics

1 answer:

anastassius [24]3 years ago

5 0

Answer:

$2 \times \frac{1}{2} \div ( - \frac{13}{4}) = \frac{5}{2} \times - \frac{4}{3} = - \frac{10}{13}$

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Answer:

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Step-by-step explanation:

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Nana76 [90]

Answer:

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3 years ago

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1) Solve the following system of equations algebraically. Give your solution as two

Bad White [126]

For this case we have the following system of equations:

$y = x ^ 2 + 7x + 12\\y = 2x + 8$

Equating both equations we have:

$x ^ 2 + 7x + 12 = 2x + 8\\x ^ 2 + 7x-2x + 12-8 = 0\\x ^ 2 + 5x + 4 = 0$

We must find the solutions, for this we factor. We look for two numbers that, when multiplied, result in 4 and when added, result in 5. These numbers are 4 and 1:

$4 + 1 = 5\\4 * 1 = 4$

Then, the factorized equation is of the form:

$(x + 4) (x + 1) = 0$

Thus, the solutions are:

$x_ {1} = - 4\\x_ {2} = - 1$

We look for solutions for the variable "y":

$y_ {1} = 2 (-4) + 8 = -8 + 8 = 0\\y_ {2} = 2 (-1) + 8 = -2 + 8 = 6$

Thus, the system solutions are given by: $(x_ {1}, y_ {1}): (- 4,0)\\(x_ {2}, y_ {2}): (- 1,6)$

ANswer:

$(x_ {1}, y_ {1}): (- 4,0)\\(x_ {2}, y_ {2}): (- 1,6)$

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3 years ago

24=6(-x-3) <br> in class need help

kherson [118]

Answer:

- 7

Step-by-step explanation:

6(- x - 3) = 24

-6x - 18 = 24

-6x = 24 + 18

-6x = 42

x = 42 ÷ - 6

x = - 7

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2 years ago

Solve the system of equations y= x+2. Y=x^2+5x+6

Serggg [28]

This is already solved.

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3 years ago

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