In right triangle ABC, ∠B is a right angle and AB=72, BC=65, and AC=97.
1 answer:
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Answer:
1,001 ways for them to decide.
Step-by-step explanation:
The order in which they will visit the countries is not important, so we use the combinations formula 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.
In this question:
10 countries from a set of 14. So
1,001 ways for them to decide.
Answer
a) 3/4 x = 9
x =
x = 12
b) 10+ 3x = 5x
2 x = 10
x = 5
c) a + x = b
x = b - a
d) c x = d
x =
e)
x < 2( m + g)
f) q + 5 x = 7 x - r
q + r = 2 x