lcyaire
01.12.2019 •
Mathematics
Jadas family has completed 30% of a trip. they have traveled 15 miles. how far is the trip
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Ответ:
The trip is 50miles far
Step-by-step explanation:
If they have travel 15miles which is equal to 30% of the trip.
To find how far the trip is.
Let x represent the trip in miles
Therefore:
30% of x is 15miles
30/100 * x = 15miles
x = 15 miles ÷ 30/100
x = 15 miles * 100/30
x = 1500miles/30
x = 50miles
Ответ:
Shania is correct.
Step-by-step explanation:
For a right angled triangle, given two sides and an angle, we can use the sine rule or the various trigonometry identities to solve the triangle;
a/sin A = b/sinB
and
sin (angle) = opposite side/hypotenuse
cos (angle) = adjacent side/hypotenuse
tan (angle) = opposite/ adjacent
assuming a is the opposite side of angle A and b is also opposite of angle B
Otherwise, the only way to solve a triangle given two sides only is by the use of the Pythagoras theorem.
Hence, Shania is correct.