Mathematics, 04.03.2021 08:10, josleemarecharl
There are 5 people in a raffle drawing. Two raffle winners each win gift cards Each gift card is the same How many ways are there to choose the winners? Decide if the situation involves a permutation or combination, and then find the number of ways to choose the winners.
Combination;number of ways=10
Permutation; number of ways =10
Combination;number of ways=20
Permutation; number of ways =20
Answers: 2
Mathematics, 21.06.2019 17:00, nelyanariba981p555ve
Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?
Answers: 1
Mathematics, 21.06.2019 23:30, haybaby312oxdjli
Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?
Answers: 1
There are 5 people in a raffle drawing. Two raffle winners each win gift cards Each gift card is the...
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