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3 years ago

Evaluate 13 - x when x = 9.

Mathematics

1 answer:

gulaghasi [49]3 years ago

4 0

Answer:

$13 - x \\ here \: given \: that \: x = 9 \\ then \\ 13 - 9 = 4 \\ thank \: yo$

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elixir [45]

Answer:

$y = -\frac{1}{4}x$

Step-by-step explanation:

1. The slope-intercept form of a linear equation is $y = mx + b$ , where y = y-coordinate, m = slope, x = x-coordinate, and b = slope.

2. To find the slope, let's take the two points (0,0) and (-40,10). After that, let's plug in the values to their corresponding variable in the formula: $\frac{y_2-y_1}{x_2-x_1}$

$\frac{10-0}{-40-0}$
$\frac{10}{-40}$
$-\frac{1}{4}$

3. Since we now know our slope, the equation looks like this so far: $y = -\frac{1}{4}x + b$ .

4. Because b is the y-intercept, b = 0 because the line intersects the y-axis at (0,0).

5. Now that we have the values of m and b, we plug in them to get the equation of: $y=-\frac{1}{4}x$

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2 years ago

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Sholpan [36]

Answer:

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Step-by-step explanation:

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3 years ago

What is the decimal conversion of 8 39/40 and does the decimal repeat or terminate?

alukav5142 [94]

The decimal conversion to 8 39/40 is 8.975 and the decimal terminates.

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3 years ago

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Vikentia [17]

Answer:

x ≈ 14.57

Step-by-step explanation:

using the sine ratio in the right triangle

sin59° = $\frac{opposite}{hypotenuse}$ = $\frac{x}{17}$ ( multiply both sides by 17 )

17 × sin59° = x , then

x ≈ 14.57 ( to 2 dec. places )

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