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AlekseyPX
3 years ago
12

Help math math please please

Mathematics
1 answer:
maxonik [38]3 years ago
4 0

Answer:

\displaystyle 7x + 9y = 45

Step-by-step explanation:

y = –⁷⁄₉x + 5

+ ⁷⁄₉x + ⁷⁄₉x

___________

⁷⁄₉x + y = 5 [We CANNOT leave the equation like this, so multiply by 9 to eradicate the fraction.]

9[⁷⁄₉x + y = 5]

\displaystyle 7x + 9y = 45

I am joyous to assist you at any time.

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2 years ago
Can a triangle have sides with the given lengths? Explain.
Amiraneli [1.4K]

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Option A.

Step-by-step explanation:

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7 0
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Teresa is 25 years old, and she makes $30,000 per year. If Teresa were to die,
REY [17]

Answer:

They would receive $22,500 which is 75% of her income

Step-by-step explanation:

Here, we want to know how much the beneficiaries of a life insurance scheme would receive if their principal die.

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3 0
4 years ago
Which of the following rational functions is graphed below?
kvasek [131]

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3 0
4 years ago
Consider the function f(x) = x2 - 6x +8.
MAVERICK [17]

Answer:

A function that has an axis of symmetry at x = 3 is:

f (x) = x ^ 2 - 6x - 1

Step-by-step explanation:

A parabola has an axis of symmetry at x = 3 if the x-value of the vertex is 3.

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f(x) = x^2 - 3x - 3 = x^2 - 3x + 9/4 - 21/4 = (x - 3/2)^2 - 21/4 => vertex = (3/2, -21/4)

f(x) = x^2 + 6x + 3 = x^2 + 6x + 9 - 6 = (x + 3)^2 - 6 => vertex = (-3, -6)

f(x) = x^2 - 6x - 1 = x^2 - 6x + 9 - 10 = (x - 3)^2 - 10 => vertex = (3, -10)

Therefore, f(x) = x^2 - 6x - 1 has an axis of symmetry at x = 3.

Hope This HELPS!!!

8 0
4 years ago
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