Answer:
Step-by-step explanation:
5(t+3)=-3.5
distribute
5t+15=-3.5
subtract 15 from both sides
5t= -18.5
divide both sides by 5
t=-3.7
Answer:
90 degrees
Step-by-step explanation:
A triangle equals 180
180 - 60
= 120
120 - 30
= 90
Also you can easily get the answer without doing any math because you can see the angle is a right angle
Right angles equal 90
Hope this helps dude
Answer:
a) Response error
b) coverage error
c) coverage error
Step-by-step explanation:
Given situation:
(a) You want to know about the dating habits of college students, so you go to a dorm meeting and ask students how many dates they have had in the last year.
Solution:
In such situations the dating habits is a private matter for every individual and would not be truy expressed or conveyed in a dorm meeting. The true response would either be false or hidden in context of a public gathering.. So the likely error would be " Response error"
Given situation:
b) You want to know how often people attend religious services, so you stand outside a particular church on Sunday and ask entering individuals how often they attend.
Solution:
The collection of sample from a "particular" church limits the diversity of responses. The spread of the data might be skewed to certain geographical or population or ethnical locations. A better coverage would be recommended for accurate sampling. Hence, "coverage error"
Given situation:
(c) You want to know how often people eat at McDonald's, so you stand outside a particular McDonald's and ask entering customers how often they eat at McDonald's.
Solution:
The collection of sample from a "particular" McDonalds limits the diversity of responses. The spread of the data might be skewed to certain geographical or population or ethnical or lifestyles. A better coverage would be recommended for accurate sampling. Hence, "coverage error"
Answer :
Length of rectangle = 14m
Width of rectangle = 12m
Explanation :
p = 2l + 2w = 68
l = w + 2
Substitute:
68 = 2(w + 2) + 2w
68 = 2w + 4 + 2w
4w = 64
w = 16
l = 18
I hope this helped out, have a nice day! :D
(P.s. Both taken from source)
The answer is 0.3 repeating. you just have to divide 1 and 3
