Answer:
option 3
Step-by-step explanation:
V= πr²h
to make h the subject
h= V÷πr²
just take πr² to the other side
as it in multiplication on the left hand side, it will in division in right hand side.
hope it helps!
Answer:
<em>- 4 </em>
Step-by-step explanation:
- 1 × f(- 1) - 4g(4) = - 1 × (- 8) - 4(3) = 8 - 12 = <em>- 4</em>
Keywords
system of equations, linear equation, elimination method
we have
Multiply by both sides
-----> <u>linear equation</u> A
-----> <u>linear equation</u> B
Applying the <u>elimination method</u> for solve the <u>system of equations</u>
Adds equation A and equation B
Find the value of y
therefore
the answer is the option D