Answer:
50kg
Step-by-step explanation:
K = Keith B = Beth H = Henry
K = 20 + B
H = 2B - 30
K = H
20 + B = 2B - 30
B = 50kg
Answer:
20 units²
Step-by-step explanation:
I have included the answer as well as an explanation and formula above. Note that the formula is only for area of trapeziums/trapezoids
Answer:
there is no pictures sorry


-3 is our y-intercept is plotted on both graphs yet one is negative and the other is positive and

Is our slope and is positive and the graph that is positive is the first graph.
Answer:
1
Step-by-step explanation:
Given 
multiply the numerator and denominator with 2
we get 
We know that sin2x=2sinxcosx

Now consider y=2x
As x→0 2x→0 y→0
Now limit changes to
=1