03/19/20

Steps figuring out this answer

A solid cylinder has a mass of 0.5 kg and is 10 cm tall with a radius of 3 cm. If the volume of a cylinder can be found from the formula 𝑉 = 𝜋𝑟 2ℎ, find the density of the solid.
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03/18/20

Ming says that 0.24 > 1/4 because 0.24 = 2/4. Which best explains Ming's error?
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03/18/20

What is a(9b+13)
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03/18/20

How does multiplying powers with the same base differ from multiplying powers with the same exponent big different bases
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03/18/20

Tanx + cotx = secx^2cotx
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03/18/20

Write the statement “y is more than -8” as a mathematical equation

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03/18/20

Speed and Distance

Two objects are released from a height near the surface of the Earth. Object A has a mass of m and Object B has a mass of 3m. After 4 seconds of free fall, Object A has reached a speed of v and has... more
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03/18/20

Use the midpoint formula to determine the midpoint of the segment with endpoints A(7, -3) and B(-5, 1)
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03/18/20

A line passes through the points (4,w) and (6,7) and has a slope of 3. Find the value of w that would make this true.
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03/18/20

A 1,250 kg Toyota Supra makes a right turn on a race track that has a radius of 10 meters. What is the coefficient of friction for the surface if the car makes the turn at a constant speed of 5 m/s?
A.0.66B.0.25C.0.33D.0.15
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03/17/20

There was a sample of 800 milligrams of a radioactive substance to start a study.
There was a sample of 800 milligrams of a radioactive substance to start a study. Since then, the sample has decayed by 5.3% each year. Let t be the number of years since the start of the study.... more
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03/17/20

Algebra homework

Iodine -131 has a half life of about 8 days. This means that approximately every 8 days, half the mass of the iodine decays into another element. If a container held a mass of 64 milligrams of... more
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03/17/20

A company makes steel rods shaped like cylinders. Each rod has a diameter of 6 centimeters and a height of 40 centimeters. If the company used 48,607.2 cm^3 of steel, how many rods did it make?

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03/17/20

find the slop intercept form of the equation of the line through (3,-3) and parallel to y=-7/3x-5
I don't know how to convert to slope intercept form in this context.
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03/17/20

How much work is done by a 75W lightbulb in 60 seconds?
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03/17/20

Point slope form

A line that includes the points (-9, 4) has a slope of 1/2. What is its equation in point slope form?
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03/16/20

Finding time with an initial velocity of 29ft/s.
A ball is thrown at an initial height of 3 feet with an initial upward velocity at 29 ft/s. The balls height h (in feet) after t seconds is give by: h= 3 + 29t -16t^2. Find the values of t if the... more
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03/16/20

Find the 8th term of the geometric sequence 7, -21, 63
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03/16/20

An object’s mass and volume contribute to its kinetic energy, so if one of those factors increases, then the object’s kinetic energy will increase as well.
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03/16/20

What is the solution?
What is the solution of 5 = 17x2 - 200x ?(A) 1 real number(B) 2 complex numbers that are conjugates(C) 2 real unequal numbers(D) ∅(E) None of the aboveIs the correct answer, (E) None of the above ?
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03/16/20

24 divided by some number is less than 7
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03/16/20

A hamster runs in it's wheel whose radius is 3 inches. The wheel completes 7.3 revolutions in 6 seconds. What is the linear velocity of the hamster's wheel?
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03/16/20

Physics Newtons laws
A 873-kg dragster, starting from rest, attains a speed of 26.3 m/s in 0.59 s. a. Find the average acceleration of the dragster. b. What is the magnitude of the average net force on the dragster... more
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03/16/20

Bacteria are multiple-celled microscopic organisms.
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03/16/20

What is 2^2 times 2^n=(2^4)^3
There are four answers:A)5B)6C)10D)12Which one is correct?
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