Step-by-step explanation:
i didn't get your question..but if it was meant..to put the value of B in A.. i did it this way! if it's not the right way i am sorry!
Answer: where are the questions?
Step-by-step explanation:
Answer:
The first one
Step-by-step explanation:
Because the dots are near each other and the line fits perfectly.
Given:
In a right triangle at B,

To find:
The length of the sides b and c and angle B.
Explanation:
Using the trigonometric ratio,

Using the trigonometric ratio,

Using the angle sum property,
The angle B becomes,

Final answer:
The values are,
Answer:
The vertex is at (-1, -4).
Step-by-step explanation:
Y=4x2+8x Covert to vertex form:
y = 4(x^2 + 2x)
y = 4[(x + 1)^2 - 1)
= 4(x + 1)^2 - 4
The vertex is at (-1, -4).