Hello!
To find cosine, use the formula cos = adjacent / hypotenuse.
According to angle B, adjacent of angle B is side A, and the hypotenuse is side c because the hypotenuse is always opposite the right angle.
Therefore, the cosine of angle B is a/c.
Answer:
8x-13x²-3
Step-by-step explanation:
you first have to work with the negative sign and the brackets by multiplying the negative sign by everything in the second brackets
3x-5-7x²+2-6x²+5x
then group the like terms
3x+5x-7x²-6x²+2-5
8x-13x²-3
I hope this helps
Answer:
Is =-61 part of the question
Step-by-step explanation:
Answer:
Its 13
Step-by-step explanation:
Answer:
2*2=4, 9*2=18, so 2/9 = 4/18, 4 students are Minton walkers.
Step-by-step explanation: