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sasho [114]
3 years ago
7

The four swimmers listed in the table are trying out for the swim team. If 3 swimmers will make the team, how many combinations

of 3 swimmers are possible? 3
Mathematics
1 answer:
dolphi86 [110]3 years ago
5 0
Number of combinations =( 4 x 3 x 2) / (1 x 2 x 3) = 4

Answer: 4 Combinations
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I would reject the null hypothesis because it falls outside of the 95% confidence interval.

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Please please help me I don't understand
Alona [7]

Answer:

4th option - over the interval (4,7) the local minimum is -7

Step-by-step explanation:

There's only one local minimum in this graph and it's the one between (4,7), so this is the only plausible answer.

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HELP HELP HELP<br><br> Just 5 quick algebra 1 questions for 50 points!
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1. x = a

2. y = b

3. It has an undefined slope.

4. You can either use, rise/run or change in y / change in x.

5. Rewrite the given equation in slope-intercept form, then determine the y-intercept, b, of the line.

<h3>What is the Equation of a Line?</h3>

Equation of a line with m as slope and b as y-intercept is given as: y = mx + b.

1. Vertical lines have undefined slope. This implies that, for a given point, (a, b), the equation that models the line would be expressed as x = a, where a is the x-intercept.

Vertical line equation is: x = a.

2. Horizontal lines have 0 as a slope value, therefore, given (a, b), the equation that models the line is: y = b.

3. Equation for a vertical line cannot be written in slope-intercept form because the slope for a vertical line is undefined.

4. Using the following, rise/run or change in y / change in x, the slope (m), can be calculated given the coordinates of two points on a line.

5. To find an equation in point-slope form, e.g. y - 3 = 6(x - 4), rewrite the equation in slope-intercept form:

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The y-intercept, b, is: -21.

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2 years ago
Leticia charges $8 per hour to babysit. She babysat Friday night for 4 hours,
Dmitriy789 [7]

For this case we have that the variable "x" represents the number of hours that Leticia uses to take care of children on Saturday.

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We apply distributive property:

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So, on Saturday she spent 5 hours.

Answer:

8 (4 + x) = 72\\x = 5

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The tuition costs, C, for a local community college are modeled by C(h) = 250 + 200h, where h represents the number of credit ho
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