Divide both sides by 25 to isolate x:
two consecutive odd number are such that three times the first is 5 more than twice the second. What are those two odd numbers?
1 answer:
<h2>Answer:</h2>
The first consecutive odd number is: 9
and the second consecutive odd number is: 11
<h2>Step-by-step explanation:</h2>Let the two consecutive odd numbers be: a and a+2
( Since, we know that the difference between two consecutive odd or two consecutive even numbers is always 2 )
Now, it is given that:
Three times the first is 5 more than twice the second.
i.e.
Hence, we get:
The first consecutive odd number is: 9
and the second consecutive odd number is: 9+2=11
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Divide both sides by 25 to isolate x:
Answer:
9......
Step-by-step explanation:
A right-angled triangle in the image below will be formed.
Now, we will make use of the trigonometric rule......
But before that, how do know the perfect rule to apply so as to solve the problem?
#. The side facing the angle 65 deg. is called the Opposite side
#. The side facing the angle 90 deg. is called the Hypotenuse
#. While the last side is called the Adjacent
Now, Looking at our question, we were given the Hypotenuse and asked to look for the Opposite side....This is where we apply the trigonometric rule
Sine(θ)=Opposite/Hypotenuse
Therefore,
Sine 64 = Opposite/10
Opposite = 10 x sine64
Opposite = 10 x 0.9
Opposite = 9cm
