Recent activity by Stelian

Recent activity by Stelian

Moving a sofa into a moving truck requires 2925 J of work by the moving man. If the work done by the inclined plane to move the sofa is 2205 J, what is the efficiency of the inclined plane? a) 75.5% b)

asked Dec 21, 2024

1 answer 63.3k views

Which expression is equivalent to 21 ∛15 ÷ 9 ∛15? 1) 3 2) -3 3) 6 4) -6

answered Jul 23, 2024

1 answer 89.0k views

Which of the following is true regarding orthodontic treatment? It deals only with the position of the teeth Surgical solutions are more often used in younger patients It is always esthetic in nature It

asked Jul 11, 2024

1 answer 172k views

What's the solution for inaccurate observations when doing an inquiry?

answered May 12, 2024

1 answer 80.7k views

What is the term for the distance traveled from the moment the brain signals to move the foot from the accelerator until it presses the brake pedal?

asked Apr 26, 2024

1 answer 148k views

Assume the moment of inertia of the rod around the axis of rotation is (I), and we now apply a constant torque of 2 Nm to the rod. Calculate the angular acceleration of the rod. Report the angular acceleration

asked Apr 25, 2024

1 answer 154k views

before teaching an alternative to problem behavior the behavior analyst must first do what? identify the function of the problem behavior identify the alternative behavior to teach ensure the alternative

answered Mar 25, 2024

1 answer 79.4k views

What is the advantage of having small, needlelike leaves? A) better protection against insects and herbivores B) decrease in transpiration rate C) decreased efficiency of light capture D) increase in transpiration

asked Mar 12, 2024

1 answer 7.8k views

A sledge of mass 15 kg is being pulled up a slope which makes an angle of 10° to the horizontal. The sledge is being pulled by a rope which makes an angle of 20° to the slope. The sledge starts at rest

answered Mar 6, 2024

1 answer 199k views

A key component of estimating the amount of ending inventory is to determine the gross margin percentage for prior years, The gross margin percentage is calculated by_______

answered Feb 2, 2024

1 answer 67.5k views

44. What are inherited features that vary among species called?A. cladisticsB. charactersC. phylogeny

answered Dec 31, 2023

1 answer 214k views

6. A(n) ______ of an atom has the same atomic number but a different atomic mass.

asked Dec 4, 2023

1 answer 191k views

HELP PLEASE??????????

asked Sep 28, 2023

1 answer 185k views

What is the formula for arithmetic mean

asked Aug 13, 2023

1 answer 96.9k views

Her students have sent her flowers.(into passive voice)

asked Apr 9, 2023

2 answers 119k views

What is 2 x 7 divided by 3 subtracted by 2.

answered Apr 8, 2023

1 answer 2.7k views

The area of the triangle 5yd 16yd 12yd

answered Mar 24, 2023

1 answer 146k views

Zeros of fx³ - 5x² + 36x - 180 Zeros of the function = ?

asked Mar 9, 2023

1 answer 72.7k views

Given z (x)=15x-x^2+3

answered Mar 1, 2023

1 answer 83.0k views

11. What shape does this graph have? Does the polonium-211 decay at a constant rate or does the rate decrease over time?

asked Dec 22, 2022

1 answer 110k views

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