You are told that the perimeter is 146 units. You look at the diagram and add up all the sides, which tells you the total perimeter. You then equate 146 and the total perimeter, as you know both these equal the perimeter. Then solve for x by using algebra.
A- the answer is 2, because it has the most amount of crosses or is the highest bar, showing that it is the most popular (mode)
mean is adding all the numbers divided by how many numbers there are, so 20/10=2
median is the number in the middle of an (ordered) row. but since the numbers are already ordered, it is in between 33 and 35, so the median is 34
C and D since they both show the most and least popular result, rather than estimating percentages.
D because each sample adds up to 200.
Answer:
x=150°
Step-by-step explanation:
Using the vertical angle theorem, you can infer that AEC and DEB are in fact the same angle, 20°, and the same goes for FED and CEG, both 130°.
So, x spans AEC and CEG so is 20° + 130° = 150°
Answer:
y = 3·2^x
Step-by-step explanation:
At x=0, f(0) = a = 3
At x=1, f(1) = a·b = 3b = 6 ⇒ b = 6/3 = 2
So, the function is ...
f(x) = 3·2^x
A and B are equivalent and C and D are equivalent
