She would weigh 48.98
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The average speed is 104 kilometer per hour
<em><u>Solution:</u></em>
Given that,
A car drives 494 km in 4 hours 45 minutes
To find: Average speed in kilometers per hour
<em><u>The average speed is given by formula:</u></em>
From given,
Distance = 494 km
Time = 4 hours 45 minutes
We know that,
1 hour = 60 minutes
Therefore,
Thus,
time = 4 hours 45 minutes = 4 hour + 0.75 hour = 4.75 hour
<em><u>Thus average speed is:</u></em>
Thus average speed is 104 kilometer per hour
Answer:
(C) Whether or not a subject attends preschool
Step-by-step explanation:
In research studies, variables are used to explain differences in another variable. The explanatory variable (also known as independent or predictor variable) is used to explain differences in the response variable (dependent or outcome variable).
<em>It is important to know that the explanatory variable is the variable that is manipulated by the researcher. </em>
The facts that are not being manipulated are the income of the children studied, and what happens after attending or not preschool program. The variable the researcher is manipulating is the assignation to groups that will or will not attend preschool. Therefore the correct answer is:
(C) Whether or not a subject attends preschool
I hope you find this information useful and interesting! Good luck!
Answer:
The root of x = -2 + √2
Step-by-step explanation:
<u><em> Step(i):-</em></u>
Given
⇒
⇒
⇒
<u><em>Step(ii):-</em></u>
Rationalizing
Apply ( a-b ) ( a+b) = a²-b²
The root of x = -2 + √2
Hello!
Answer:
Explanation: You can also take 3 from your answer and it becomes a whole number. Next take the remainder and make it the numerator. Then you keep from the denominator by the same thing. Hope this helps! Thank you for posting your question at here on Brainly. Have a great day! -Charlie