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The function f n equals n over 45 describes the total distance traveled after n hours at a constant speed of 45 mph Is this true or false?
False. f(n) = n/45 describes how long (in hours) it takes to travel n miles at 45 mph since time = distance ÷ speed. Whereas distance = speed x time which would be f(n) equals n times 45.
Why is scale important in models and maps?
It shows the distance a certain measurement equals on a map.
What terms best describes the set of all points in a plane for which the difference between the distances of a given point to two fixed foci equals a certain constant?
The question asks about the "following". In those circumstances would it be too much to expect that you make sure that there is something that is following?
Why is the equation of a horizontal line y equals c where c is the constant?
In the Cartesian plane, a horizontal line is a constant distance away from the horizontal or x axis. If this fixed distance is c, then every point on the line is a distance c away from the x-axis. Distance from the x-axis is measured by the y coordinate so, for every point on the line, y = c.
How do you calculate miles per hour for a certain distance?
The rate equals the distance divided by the time it takes to cover the distance. If you go 6 miles in 2 hours, the rate is 3 miles an hour.
Which term best describes the set of all points in a plane for which the sum of the distances to two fixed points equals a certain constant?
Sounds like an elliptical to me.
The function f n equals n over 45 describes the total distance traveled after n hours at a constant speed of 45 mph Is this true or false?
False. f(n) = n/45 describes how long (in hours) it takes to travel n miles at 45 mph since time = distance ÷ speed. Whereas distance = speed x time which would be f(n) equals n times 45.
Which of the following is an expression of Boyle's law A equals constant B PT equals constant C equals constant D PV equals constant?
C.
Why is scale important in models and maps?
It shows the distance a certain measurement equals on a map.
What equals force and distance?
Work equals force multiplied by distance. It is a measure of the energy transferred to or from an object when a force is applied over a certain distance. Mathematically, work = force x distance x cos(theta), where theta is the angle between the force and the direction of motion.
What terms best describes the set of all points in a plane for which the difference between the distances of a given point to two fixed foci equals a certain constant?
The question asks about the "following". In those circumstances would it be too much to expect that you make sure that there is something that is following?
Which of these is the best definition of an ellipse?
The set of all points in a plane for which the sum of the distances to two fixed points equals a certain constant. - APEX
Why is the equation of a horizontal line y equals c where c is the constant?
In the Cartesian plane, a horizontal line is a constant distance away from the horizontal or x axis. If this fixed distance is c, then every point on the line is a distance c away from the x-axis. Distance from the x-axis is measured by the y coordinate so, for every point on the line, y = c.
How do you calculate miles per hour for a certain distance?
The rate equals the distance divided by the time it takes to cover the distance. If you go 6 miles in 2 hours, the rate is 3 miles an hour.
What is the value of the constant c in the weight formula w equals C divided by r squared where are is the distance from the center of the earth?
'C' can't be a constant. It has to be ( GM1M2 ), with G = the universal gravitational constant M1 = mass of the earth M2 = mass of the thing you're weighing
What is force times distance equals?
Force times distance equals work.
What is d when t equals 2.5hours?
You didn't provide the relationship between the two variables. If it is a constant-speed problem, use the formula distance = speed x time.
