There were 20 girls and 30 boys in the second session what is the percentage of boys in the second session of swimming class
2 answers:
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Answer:
Step-by-step explanation:
The smallest side of a triangle is formed by the smallest angle in the triangle.
To find the side opposite (formed by) the 20 degree angle, we can use the Law of Cosines. The Law of Cosines states that for any triangle, , where
,
, and
are the three sides of the triangle and
is the angle opposite to
.
Let be the side opposite to the 20 degree angle.
Assign variables:
Substituting these variables, we get:
Therefore, the shortest side of this triangle is 3.5.
Answer:
Step-by-step explanation:
for this equation
a=3
b= -5
c = -7
The sum of equal to
and the product is equal to
. All you do is replace the values. You can prove both of those using the quadratic formula.