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Romashka [77]
3 years ago
9

5. Solve for each inverse. a. If y = 4x - 10, solve for x.

Mathematics
1 answer:
GREYUIT [131]3 years ago
5 0

Answer:

x = \frac{y+10}{4}

Step-by-step explanation:

Given

y = 4x - 10 ( add 10 to both sides )

y + 10 = 4x ( divide both sides by 4 )

\frac{y+10}{4} = x

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Write the equation of the circle graphed below
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Answer:

The equation of the circle is

(x + 2)² + (y + 2)² = 9

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Step-by-step explanation:

The general equation of a circle is given as

(x - h)² + (y - k)² = r²

Where (h, k) is the center of the circle, and r is the radius.

Looking at the graph, the center is the red dot. It corresponds to -2 on the y-axis, and -2 on the x-axis. So, the center (h, k) is (-2, -2).

The radius is the distance from the center of the circle to the edge of the circle. The red dot is the edge of the circle, there are 3 lines that represent 3 units, so we have a radius of 3 units.

Using these in the general equation, we have

[x - (-2)]² + [y - (-2)]² = 3²

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And this is the equation.

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Which typing time is the fastest? A. 320 words in 8 minutes; B. 600 words in 12 minutes; C. 350 words in 10 minutes; D. 225 word
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Answer:

B - 600 words in 12 minutes

Step-by-step explanation:

So most of this has to do with division. So let's look at answer one

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350 words in 8 minutes

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