3 years ago

Let a be a rational number and b be an irrational number. Which of the following are true statements?

Mathematics

1 answer:

Setler79 [48]3 years ago

7 0

A the sum of a and b is never rational

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Write the letters of the expressions that are equivalent to the given expression.

Tresset [83]

Answer: A.) 10x + 15

Step-by-step explanation:

You would distribute (multiply) the 5 to the 2x which would then make it 10x and you would distribute (multiply) the 5 to the 3 which would then make it 15. Because the 5 is a positive number the sign stays the same.

Therefore, 10x + 15 is your answer.

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Solve the system of equations y=2x+1 y=x^2+2x-8

Lemur [1.5K]

Answer:

(3,7) and (-3,-5)

Step-by-step explanation:

To solve the system of equations, graph both functions. The (x,y) point(s) where the functions intersect is the solution(s).

See attached picture.

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4 years ago

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Answer:

two

Step-by-step explanation:

two pairs because four sides are parallel to each other.

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bogdanovich [222]

D, 8x^2 + 2xy - 3y^2.

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3 years ago

Identify the equation of a line that is parallel to the graph of the line y = -x + 12

marin [14]

No graphs but it will hit the y axis at 12 and go down starting high at the left and low on the right

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