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4 years ago

Solve the following non-linear system of equations algebraically.

Mathematics

1 answer:

ExtremeBDS [4]4 years ago

6 0

Answer:

x = -2

Step-by-step explanation:

since y is common in both equations, you can equate them to be equal

-2x² - 4x + 5 = 2x² + 4x + 5

4x² + 8x = 0

factor out 4x

4x(x + 2) = 0

divide both sides by 4x

x + 2 = 0

x = -2

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larisa86 [58]

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3 years ago

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4 years ago

What is the value of x?

torisob [31]

Answer:

$x=45^{o}$

Step by step explanation:

We have been given that measure of angle A is fifty five degrees, the measure of angle B is eighty degrees and the measure of angle C is x.

Since we know that sum of measures of all the three angles of any triangle equals to 180 degrees.

Let us set sum of measures of all angles of our triangle equal to 180 degrees.

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Upon substituting our given values in our equation we will get,

$55^{o}+80^{o}+x=180^{o}$

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3 0

4 years ago

A snack mix recipe calls for 5 3/4 cups of cereal and 3 5/12 cups less of raisins. How many cups of raisins are needed? Write in

Ghella [55]

Answer:

2 1/3

Step-by-step explanation:

5 3/4 - 3 5/12

5 3/4 into 5 9/12 for common denominators or wtvr

5 9/12 - 3 5/12= 2 4/12

which in simpilist form is 2 1/3

because 2 4/12 to 2 2/6 to 2 1/3

hope this helps :)

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2 years ago