You take 5b and -2b which will make: 3b
then combine -11 and 6 to get: -5
full answer: 3b-5
Answer:
9y-24
Step-by-step explanation:
3(y-8)+3(2y)
3y-24+6y
9y-24
Answer:
Therefore,

Step-by-step explanation:
Consider a Δ ABC with
m∠ B= 45°
m∠ C = 90°
AB = c = 15 cm
To Find:
BC = a = y ?
Solution:
Triangle sum property:
In a Triangle sum of the measures of all the angles of a triangle is 180°.

We know in a Triangle Sine Rule Says that,
In Δ ABC,

substituting the given values we get

∴ 
Similarly for 'x',


Therefore,
