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suter [353]
3 years ago
5

If y equals -6 when x equals 9 find X when y equals -3

Mathematics
2 answers:
lora16 [44]3 years ago
8 0
X would equal 12 because, to go from -6 to -3 you would need to add 3. Do the same with nine, 9 + 3 = 12.
Aleonysh [2.5K]3 years ago
6 0
The thought process here is meant to be along these lines:

y = -6 when x =9

y = -3, and -3 is half of -6. so, proportionally speaking, if -3 is half of 6, the x value that the question asks for will have to be half of 9 -- 4.5.
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The equation in Slope-Intercept Form is y = -2/5 x + 4.

We have given that,

y−2=−2/5(x−5)

We have to rewrite the equation in Slope-Intercept Form.

<h3>What is the slope-intercept form of the line?</h3>

slope-intercept form is y = mx + b

for equation y - 2 = -2/5 (x - 5) we need to simplify/rearrange

so y - 2 = -2/5 x + -2/5 (-5)

= -2/5 x + 2

=> y = -2/5 x + 4

This line has a gradient of -2/5 (goes down 2 units and across 5 units) and a y-intercept of 4 so passes through the point (0,4).

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4 0
2 years ago
A travel agent is booking trips for tourists who travel from New York to Chicago. Tourists have three choices for how to travel
Hitman42 [59]

List all the different combinations with total cost:

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Train + cab = 225 + 40 = $265

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There are 2 that are more than $300

The probability would be quantity higher than 300 / total combinations.

Probability = 2/6 = 1/3

4 0
3 years ago
You roll two dice. Let event A be "The first die shows a 1, a 2, a 3, or a 6" and event B be "The second die shows an even numbe
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lina2011 [118]
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3 0
3 years ago
45 of the 80 children in the club or girls what was the ratio of boys to girls in the club?
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There are 80 children. 45 of them are girls. The amount of boys is equal to:

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Your answer is 7:9

5 0
3 years ago
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