Answers and Explanations:
4. They do not have a proportional relationship. For the first 3 sets, you can multiply x by 2.5 to get y. But that does not work for 8 and 18, so there is no proportional relationship between x and y.
5. Yes. For equilateral triangles, the side length is equal to the perimeter divided by 3, the number of sides. Vise versa, the side length times 3 equals the perimeter. If the side length is 3 in, multiply by 3 to get 9 in, the diameter.
6. Yes. it is proportional. X times 80 equals Y. In this case, in 8 hours, 640 tickets were sold.
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Step-by-step explanation:
no they are not parallel
Answer:
Step-by-step explanation:
16.
RT=17.885
RS=9.741
Angle T=33°
17
AB=7.077
Angle B= 47.291°
Angle A= 42.709°
19
∠A = 180° - B - C = 1.36944 rad =
A=78.463°
Answer:
Answers below
Step-by-step explanation:
a. Is x (approximately) a binomial random variable?
b. Give the probability distribution for x as a formula.
c. Find p(x = 2).
d. Find P(x <= 1).
Answer is A.
x2 = 2, x1 = -14 , m = 3 and = 2
plug in
(3/(3+5)(2(-14))+(-14)