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Zarrin [17]
3 years ago
13

Evaluate v(x)=12-2x-5.8 when x =-2,0, and 5

Mathematics
1 answer:
Nata [24]3 years ago
5 0

Answer:

Step-by-step explanation:

<u>Is this equation written correctly?:</u>

<u></u>

v(x)=12-2x-5.8

v(x) = -2x+6.2

v(-2) = -2(-2)+6.2

<u>v(-2) = 2.3</u>

v(0) = -2(0)+6.2

<u>v(0) = 6.2</u>

v(-5) = -2(-5)+6.2

v(-5) = 10+6.2

v(-5) = 16.2

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8ft x 8ft + 14ft x 6ft = 148ft^2

The front facing is the same area as is back facing counterpart so we can multiply the surface area by 2:
148ft^2 x 2 = 296f^2

Adding the bottom surface area 6ft x 14ft:
6ft x 14ft + 296ft^2 = 380ft^2

Adding the right side 6ft x 14ft:
6ft x 14ft + 380ft^2 = 464ft^2

Adding the left side 8ft x 6ft:
8ft x 6ft + 464ft^2 = 512ft^2

Adding the 3 sides on the top 8ft x 6ft (top facing), 6ft x 6ft (top facing), and 6ft x 6ft (left facing):
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5 0
3 years ago
Post-test about graphs need help
Murrr4er [49]

Answer:

O A.     y=\frac{4}{3} x-\frac{1}{3}

Step-by-step explanation:

To find the equation of the line, we need to know the slope and the y-intercept.

so, let's start by the slope. We need two points given in the graph.

(4, 5) and (-2, -3)

Then use the Slope-Formula to identify the Slope of the line.

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m = \frac{y2-y1}{x2-x1}          Slope Formula

m = \frac{-3-5}{-2-4}           subtract the second y from the first y / second x from first x

m = \frac{-8}{-6}               Turn the fraction to positive because two negatives = positi-

m = \frac{8}{6}                 Simplify

m = \frac{4}{3}                 Final Answer

The slope of the line is \frac{4}{3} now what about the y-intercept?

The y-intercept is located at the y axis.

It determines how many units the graph goes up or down depending...

Well in this case, the y-intercept is negative because it is below on the yaxis

Then we must determine the y-intercept.

so we know is negative but it isn't exactly on a point so it is formed as a fra-

then we can determine it by seeing when it hits another unit (hard explainin)

y-intercept = -1/3

Final Answer: y = \frac{4}{3} x-\frac{1}{3}

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3 years ago
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Arte-miy333 [17]

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4 years ago
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Step-by-step explanation:

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5 0
3 years ago
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pogonyaev
1054 (9-8x)=78
(9-8x)= (78÷1054)
9-8x = 0.074
-8x=0.074-9
-8x=-8.926
x= (-8.926÷-8)
x= 1.1157
4 0
4 years ago
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