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Reika [66]
3 years ago
7

Simplify: 7x + 5y - 6x - y A. x + 5 B. x + 4y C. 13x + 5 D. 13x + 6y

Mathematics
2 answers:
Daniel [21]3 years ago
4 0
The answer would be B.x+4y
Bad White [126]3 years ago
4 0

Answer:

x+4y

Step-by-step explanation:

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So it's 4x-5 equal to -20 to the second power
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Step-by-step explanation:

She bought 18 ride tickets at $0.75 per ticket, so she spent 18 * $0.75 = $13.50 on rides. She spent a total of $33.50 for only admission and rides.

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2 years ago
You roll a 6-sided die.<br> What is P(even or factor of 45)?<br> Write your answer as a percentage.
jonny [76]

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What function is shown by the graph below?
Airida [17]

Answer:

The function f(x)=\sqrt{x+2}  is shown by the graph below ⇒ 2nd answer

Step-by-step explanation:

<em>To find the right function chose two points from the graph and substitute the x-coordinate of each point in the function to find the y-coordinate, if they are the same with the corresponding y-coordinates of the points, then the function is shown by the graph</em>

From the figure:

The curve passes through points (-2 , 0) and (2 , 2)

∵  f(x)=\sqrt{x-2}

∵ x = -2

- Substitute x by -2

∴ f(-2)=\sqrt{-2-2}

∴ f(-2)=\sqrt{-4} ⇒ it is impossible no square root for (-) number

∴ f(x)=\sqrt{x-2} is not the function shown by the graph

∵  f(x)=\sqrt{x+2}

∵ x = -2

- Substitute x by -2

∴ f(-2)=\sqrt{-2+2}

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∵ x = 2

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∴ f(2) = 2 ⇒ same as the y-coordinate of x = 2

∴ The function f(x)=\sqrt{x+2} is shown by the graph below

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