What is the solution to the equation 7(3-x)=-7(x+3)-4
1 answer:
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Answer:
Option A is correct
Step-by-step explanation:
Given:
There are four option is given.
We need to find correct option.
Now we check the given option.
Option A.
Now we simplify the left side of the equation.
Simplify
And 2.4 replaced by
So the value of left side of the equation is equal to the value of right side of the equation.
Therefore, option A is correct
Answer:
Step-by-step explanation:
Given that both men moves at constant speed on the same trail, the motion equations that describes each motion are, respectively:
Man 1
Man 2
Where x is measure in kilometers and t in hours, respectively.
The time taken for both men to meet each other is:
Answer:
0.726 < p < 0.874
Step-by-step explanation:
p = 64/83 = about 0.8
confidence interval = p +- z
= 0.8 +- (1.64 x 0.04472)
= 0.8 +- 0.073343
= (0.726656 and 0.873343)
0.726 < p < 0.874