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Svet_ta [14]
2 years ago
12

Find the percent change from the first value to the second 50;30

Mathematics
1 answer:
Alex787 [66]2 years ago
5 0

Answer:

-40%

Step-by-step explanation:

NV = new value

OV = old value

percent change = (NV - OV)/(OV) × 100%

percent change = (30 - 50)/(50) × 100%

percent change = -20/50 × 100%

percent change = -40%

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Determine the x- and y-intercepts of the graph ofx−4y=8Then plot the intercepts to graph the equation.
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The x-intercept is the point where the graph cuts the x-axis, and the y-intercept is the point where the graph cuts the y-axis.

The x-axis is the line y = 0 and the y-axis is the line x = 0. To find the intercept between each axis and our graph, we just need to evaluate our function at x = 0 and y = 0.

Calculating the x-intercept, we have

\begin{gathered} x-4\cdot0=8 \\ x=8 \end{gathered}

The x-intercept is (8, 0).

Calculating the y-intercept, we have

\begin{gathered} 0-4y=8 \\ y=-\frac{8}{4} \\ y=-2 \end{gathered}

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given: Trey's test score average decreased by 14 points this semester.

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The decrease can be denoted by minus (-) sign and increase can be denoted by plus (+) sign.

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Answer:

Step-by-step explanation:

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