Find the missing side length, indicate whether the side lengths form a Pythagorean triple, and identify the correct explanation.
2 answers:
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Answer:
Object A will have greater acceleration.
Step-by-step explanation:
Given that,
The mass of object A = 50 kg
The mass of object B = 75 kg
They were pushed with the same amount of force.
We know that, the force acting on an object is given by :
F = ma
Here F is same for both mass
Mass and acceleration have inverse relation. It means the object whose mass is less will have greater acceleration. Hence, the acceleration is greater for object A.
The best prediction of the height of a student with an arm span of 143 cm is 143 cm
Step-by-step explanation:
The missing graph is attached
The graph below shows the heights and arm spans of students in
a classroom
- The x-axis represents the height in cm
- The y-axis represents the arm span in cm
We need to find the height of a student with an arm span of 143 cm
∵ The graph does not contain the value of the given arm span
∴ We will use the line best fit (sold line in the attached graph) to find
the best predication of the height
∵ The line passes through points (150 , 150) and (160 , 160)
- The x-coordinates are equal the y-coordinate
∴ The equation of the line is y = x
∵ The arm span of a student is 143 cm
∵ y represents the arm span of a student
∴ y = 143
- Substitute the value of y in the equation of the line best fit
∵ y = x
∴ 143 = x
∵ x represents the height of a student
∴ The height of the student is 143 cm
The best prediction of the height of a student with an arm span of 143 cm is 143 cm
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