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Kazeer [188]
2 years ago
11

On a skiing trip there are five people but only three pairs of skis how many different groups of three could ski

Mathematics
1 answer:
____ [38]2 years ago
3 0
10 different groups can ski.

This is a combination of 5 items taken 3 at a time:
_5C_3=\frac{5!}{3!(5-3)!}=\frac{5!}{3!2!}=\frac{120}{12}=10
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2 years ago
Solve the system of equations. Type in all points of intersection for the two functions and round to the nearest tenth if necess
Veseljchak [2.6K]

The points of intersection for the two functions and round to the nearest tenth are (0.5, 1.4) and (4.85, -0.3)

<h3>System of equations</h3>

Given the following function

f(x) = - 0.5x + 2

g(x) = x^3 - 5x^2 + 3

The point of intersection is the point where f(x) = g(x)

x^3 - 5x^2 + 3 = - 0.5x + 2

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Factorize and determine the value of x

x = 0.53 and 4.85

If x = 0.53

f(0.53) = -0.5(0.53) + 2

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If x = 4.85

f(4.85) = -0.5(4.85) + 2

f(4.85) = -2.425 + 2

f(4.85) = -0.245

Hence the points of intersection for the two functions and round to the nearest tenth are (0.5, 1.4) and (4.85, -0.3)

Learn more on functions here: brainly.com/question/10439235

#SPJ1

3 0
1 year ago
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