BRAINLIEST ASAP! PLEASE HELP ME. :)
1 answer:
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Answer:
She can choose her electives in 20 ways.
Step-by-step explanation:
The order in which she chooses the courses is not important, which means that the combinations formula is used to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
How many ways can she choose her electives?
3 electives from a set of 6. So
She can choose her electives in 20 ways.
Answer:
x = 8
Step-by-step explanation:
The line segment inside the triangle is an angle bisector and divides the opposite side into segments that are proportional to the other 2 sides, that is
=
( cross- multiply )
6x(11x - 4) = 63x² ← distribute left side
66x² - 24x = 63x² ( subtract 63x² from both sides )
3x² - 24x = 0 ← factor out 3x from each term on the left side
3x(x - 8) = 0
Equate each factor to zero and solve for x
3x = 0 ⇒ x = 0
x - 8 = 0 ⇒ x = 8
But x > 0 , then x = 8