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yuradex [85]
4 years ago
11

|2x-5|=9 what is the positive and negative answer

Mathematics
1 answer:
irinina [24]4 years ago
6 0
  • Answer:

x = 7 or x = -2

  • Explanation:

|2x − 5| = 9 and |2x − 5| = -9

  • |2x − 5| = 9

Add 5 to both sides

2x - 5 + 5 = 9 + 5

Simplify

2x = 14

Divide both sides by 2

2x / 2 = 14 / 2

<u>x = 7</u>

  • |2x − 5| = -9

Add 5 to both sides

2x - 5 + 5 = -9 + 5

Simplify

2x = -4

Divide both sides by 2

2x / 2 = -4 / 2

<u>x = -2</u>

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A submarine has a radius of 920 meters and a height of 85 meters. Find the volume of the submarine.
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Answer:

V = 71944000pi

Step-by-step explanation:

V = 226,018,741.869864

The approximate volume of this cylindrical sub is 226,018,741.869864 cubic meters

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S_A_V [24]
It’s 130°, because 50+50=100 and 2x is equal to the same angel on the direct opposite side so work where you have 50. then the 4 angles should add to 360° and 360-100= 260, then you have to divide 260 by 2 because it has to be equal to both side so then 260/2=130° and to know that it’s correct add 130+130+50+50 and you get 360°!
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3 years ago
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Y = sin (x) + 60, What transformation does + 60 cause to the sine graph?
mamaluj [8]

Answer:

1. There is a vertical shift.

Step-by-step explanation:

The component +60 translates the original function in the +y direction. The operation is described by following formula:

f'(x) = f(x) + k (1)

Where:

f(x) - Original function.

f'(x) - Resulting function.

k - Vertical translation distance.

Since resulting function is a consequence of a translation in +y direction, then k>0. Hence, correct answer is 1.

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3 years ago
Find the equation of the linear function represented by the table below in slope-intercept form.
Vitek1552 [10]

Answer:

y = 10x - 8

Step-by-step explanation:

The slope is "m", or how much the y-value changes on a line when the x-value changes by one.

The y-intercept is the y value of the line when it is intersecting the y-axis, or when the x-value is 0.

To find the slope, take 2 points from the graph and plug into the slope formula:

\frac{y_2-y_1}{x_2-x\\_1}

I'll use (0, -8) and (1,2).

Plug into the formula.

\frac{2--8}{1-0}

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1 year ago
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bekas [8.4K]

Answer: 373/50

Step-by-step explanation:

Step 1: convert to a fraction

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Step 2: Write the number as a fraction of one: 7.46 = 746/100

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