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The relationship between distance travelled, d, and time, t, can be represented by a linear relation. In 45 minutes, a bus traveled 60 km...?
In 100 minutes, the same bus travelled 120 km. An equation that represents this linear relation is:
A. y-45=12/11(x-60)
B.y-45=-12/11(x-60)
C.y-60=12/11(x-45)
D.y-60=-12/11(x-45)
Physics4 years agoWritten in slope-intercept form, the equation 3x-2y+16=0 is:?
A. y= 3/2x+8
B. y=3/2x-8
C.y=3/2x+16
D. y=-3/2x+8
Physics4 years agoDetermine the x-intercept and the y-intercept for the graph of the relation defined by -5x-2y-20=0?
A. x-intercept: 4; y-intercept: 10
B. x-intercept: 10; y-intercept: 4
C. x-intercept: -10; y-intercept: -4
D. x-intercept: -4; y-intercept: -10
Physics4 years agoA correct description of the line defined by y+2=1/4(x-3) is:?
A. It is a line through (3,-2), with a slope of 1/4
B. it is a line through (-3,2), with a slope of 1/4
C. It is a line through (3,-2), with a slope of -1/4
D. It is a line through (-3,2), with a slope of -1/4
Physics4 years agoThe y-intercept of the graph defined by the relation y-2=3(x-3) is:?
A. -11
B. -7
C. 2
D. 7
Physics4 years agoA zip line drops 20 metres in height over a horizontal distance of 38 metres. Determine the rate of change of the zip line.?
A. -10/19... For every 19 metre vertical increase, there is a horizontal increase of 10 metres.
B. -10/19... For every 10 metre vertical increase, there is a horizontal increase of 19 metres.
C. -19/10... For every 10 metre vertical increase, there is a horizontal increase of 19 metres.
D. -19/10... For every 19 metre vertical increase, there is a horizontal increase of 10 metres.
1 AnswerMathematics4 years agoGiven a line with point A(4,2) and slope m= -1/4, another point on the line is:?
A. (-3,6)
B. (3,6)
C. (5,6)
D. (8,1)
3 AnswersMathematics4 years ago10 pts!!! Ben came up with a formula to determine wages, where h represents number of hours worked and w represents total wages earned.?
w=13.50h
A. Write a word description for his equation.
B. If you were to graph this relation, what would be appropriate labels for the vertical and horizontal axis?
C. Is this relation a function? Explain.
1 AnswerMathematics4 years agoFor the function f (x)= -5x+7, determine f(x)= -3?
4 AnswersMathematics4 years agoIs this a scalar or vector quantity?
I`ve solved the following two questions. Please determine for each question if its a scalar or vector quanity?
1.) What is the mass of an object that has a height of 3.40 m and a gravitational potential energy of 96.0 J?
answer:
(96/3.4)/g = 2.88kg.
g = 9.8 used.
Scalar or vector_____________
2.) A ball if thrown straight into the air with a speed of 25 m/s. Ignoring air resistance, how high will it go?
answer:(v^2/2g) = 32 metres
Scalar or vector_____________
2 AnswersPhysics4 years agoA ball if thrown straight into the air with a speed of 25 m/s. Ignoring air resistance, how high will it go? SHOW STEPS PLEASE?
Write your answer using 2 significant digits
2 AnswersPhysics4 years agoWhat is the mass of an object that has a height of 340m and a gravitational potential energy of 96.0 J?
Write your answer using 3 significant digits.
1 AnswerPhysics4 years agoTo the nearest tenth of a metre, what is the height of the flagpole? EXPLAIN?
A flag is attached to a flagpole atop a building. The building is 5 stories high. Each story is 5 m high. From a point some distance from the building, the angle of elevation to the top of the flagpole is 32 degrees,and the angle of elevation to the bottom of the flagpole is 30 degrees.
To the nearest tenth of a metre, what is the height of the flagpole? EXPLAIN
4 AnswersMathematics4 years agoWhat is the angle of elevation of the kite?
ben and joey fly went to the park to fly a kite. The two friends are standing 75m apart. Once they get the kite flying, Joey takes out his clinometer and measures the kite's angle of elevation to the kite, at his location, to be 51 degrees. The kite is 97.5 m above the ground.
What is the angle of elevation of the kite from BEN's location?
A. 32.3 degrees
B. 39.0 degrees
C. 39.9 degrees
D. 50.7 degrees
1 AnswerMathematics4 years agoKelly has 25 yards of plastic edging that she needs to cut into strips that are each 10 inches in length. How many strips can she make?
A. 2
B. 20
C. 30
D. 90
2 AnswersMathematics4 years ago
