Answer: A
Step-by-step explanation:
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Which of the following is a factor of 450 and multiple of 25?
1 answer:
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Answer:
t = 21d
Step-by-step explanation:
Here tension and distance are denoted t by d and respectively. Since t varies directly with d , then the relation between t and d is k=td Given that, for the tension 42 pounds, the spring is stretched 2 inches. Substituting t = 42 and d= 2 into t = kd find the value of k . Therefore,
42= K (2)
K= 21
Thus the relationship is t = 21d
(Hope this helps can I pls have brainlist (crown)☺️)
Answer:
Option B is correct
circumference of a circle is 785 m
Step-by-step explanation:
Circumference of the circle(C) is given by:
where
r is the radius of the circle
As per the statement:
radius of the circle is 125 m
then substitute in [1] we have
Simplify:
C = 785 m
Therefore, the circumference of a circle is 785 m
Answer: 0.064
Step-by-step explanation:
The formula to find the margin of error :-
Given : Significance level :
Critical value :
Sample size : n=400
The proportion of people support the candidate :p=0.44
Then ,
Hence, Margin of error = 0.064