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d1i1m1o1n [39]
3 years ago
7

What is the solution to the system of equations?

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
7 0

Answer:

  A.  (5, 9)

Step-by-step explanation:

The first equation tells you x=5, so the only viable choices are A and C.

The second equation tells you ...

  y = 2·5 -1 = 10-1 = 9

so the only viable choice is A.

  (x, y) = (5, 9) . . . . . matches choice A

kotegsom [21]3 years ago
4 0
The correct solution would be A
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We factor the equation to get:

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B.  The x-intercepts are the values of x for which f(x) is 0.  This equation can be factored as (-a+6)(a-44)=0, with solutions 6 and 44.  Therefore, by selling either 6 memberships or 44 memberships, the studio breaks even, neither making nor losing money.
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2 years ago
Who is square<br> root 3​
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3 years ago
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3 years ago
Does the table show a direct proportional relationship? If so, what is the constant of proportionality?
lesantik [10]

Answer:

C. Yes, 3.5.

Step-by-step explanation:

If there is a relationship of direct proportionality for every ordered pair of the table, then the constant of proportionality must the same for every ordered pair. The constant of proportionality (k) is described by the following expression:

k = \frac{y}{x} (1)

Where:

x - Input.

y - Output.

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k_{1} = \frac{y_{1}}{x_{1}}

k_{1} = \frac{45.5}{13}

k_{1} = \frac{7}{2}

k_{2} = \frac{y_2}{x_2}

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Since k_{1} = k_{2} = k_{3}, the constant of proportionality is 3.5.

8 0
3 years ago
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