59,249 Answered Questions for the topic Math

Math

03/20/24

Common logarithm of an integer
I am trying to figure out how to figure out if a common logarithm is an integer or not. For example, the common logarithms 1, 2, 3, are the common logarithms of 10, 100, 1000 respectively. The... more
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03/20/24

Suppose you want to integrate f(x,y) = 8xy over the domain you just found
okay so the previous question was finding the domain ie the polar cords fromintegral sign (b=5, a =0)integral sign (b=sqrt(25-x^2) a= 0) f(x,y) dy dxfound to be 0 <= r <= 5 and 0<= theta... more
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Math

03/19/24

Related Rates (One Formula)
The radius of a cylinder is decreasing at a constant rate of 9 meters per minute. The volume remains a constant 728 cubic meters. At the instant when the height of the cylinder is 33 meters, what... more
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Math

03/19/24

speed and kilometer's
Yochanan walked from home to the bus stop at an average speed of    5/km . He immediately got on his school bus and traveled at an average speed of  60km   until he got to school. The total... more
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Math

03/19/24

speed and kilometer's
Yochanan walked from home to the bus stop at an average speed of    5/km . He immediately got on his school bus and traveled at an average speed of  60km   until he got to school. The total... more
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Math

03/19/24

What is the probability that a piece of this rope chosen at random will have the following breaking points?
Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table.The breaking point of a particular type of rope is normally... more
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Math

03/19/24

What percent of these light bulbs will last as follows?
Use the table to answer the question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table.A manufacturer of light bulbs finds that one light bulb model... more
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Math

03/19/24

Use a calculator to evaluate f(x) = log(x) at the given value of x. Round your result to three decimal places.
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Math

03/19/24

What is 1/5 + 2/6?
Adding FractionsFind common denominators, Divide 5 and 6 into the common denominators. Multiply the answer times 1 and 2 to get the numerators. Leave bottom numbers the same. Add numerators to get... more
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03/19/24

OceaN CrediT LoaN CustomeR CarE HelplinE+((+7439367021 +))))call((((+ 9382521654 √Toll Free..
OceaN CrediT LoaN CustomeR CarE HelplinE+((+7439367021 +))))call((((+ 9382521654 √Toll Free..OceaN CrediT LoaN CustomeR CarE HelplinE+((+7439367021 +))))call((((+ 9382521654 √Toll Free..OceaN... more
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Math Calculus

03/19/24

Evaluate the Integral. Show All Steps
Evaluate the Integral. Show All Steps. If possible attach a video going through the problem
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Math

03/19/24

Stretch y thinking

When you are subtracting from a 3 digit number, how do you know if you will need to ungroup?
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03/18/24

Help me with this problem
Hans is riding laps on his motorcycle. It takes him 5 minutes to complete a lap. He will ride for more than 25 minutes. Let's look at the possible numbers of laps Hans will ride. Write an... more
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Math Calculus

03/18/24

Evaluate the Integral. Show All Steps
Evaluate the Integral. Show All Steps. If possible attach a video going through the problem. Simplify by factoring then check by differentiation.
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Math Calculus

03/18/24

Trig Substitution with circle
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Math Calculus

03/18/24

Evaluate the Integral. Show All Steps

Evaluate the Integral. Show All Steps. If possible attach a video going through the problem.
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Math

03/18/24

John read the novel
John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. Write an equation to determine the total number of pages in the novel. Find the total number of pages in the... more
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03/18/24

Linear Algebra Basis/Subspaces Invertibility

Given A^T * A = (3 4 0; 4 10 -3; 0 -3 3).(a) Solve the homogenous system Ax = 0. Explain how you derive your answer.(b) Suppose (A^T * A)^-1 * A^T = (3/5 -4/5 0 3/5 1/5; -1/5 3/5 0 -1/5 -2/5; -1/5... more
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Math

03/18/24

Unknown Sweater d
She bought a sweater for 20% off the original price. She paid $24. What was the original price
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03/18/24

Linear Algebra Subsets/Row/Column Spaces
Let T = { v1 = (2 1 1 3), v2 = (3 2 0 1), v3 = (1 0 2 5), v4 = (-1 -1 1 2) v5 = (3 2 0 0), v6 = (13 8 2 8 ) } (a) Find a linearly independent subset S of T such that span(S) = span(T).(b) Does T... more
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03/18/24

Linear Algebra Subspaces / Basis
Let A = (a1 a2 a3 a4 a5), where ai is the i-th column of A, for i = 1,..., 5. It is known that a1 = (1 -1 0 0), a3 = (-2 0 1 1), a5 = (-3 3 4 3).Suppose A is row equivalent to R = (1 2 -1 2 -1; 0 1... more
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03/18/24

Half life Questions
The half-life of substance A is 16 years, and substance B decays at a rate of 30 % each decade.(a) Find a formula for a function f(t) that gives the amount of substance A, in milligrams, left... more
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03/18/24

Math Half life equations
The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was the initial mass (in mg) of the sample? What is the mass 6 weeks after... more
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Math Calculus

03/17/24

Integrate the function below. Show All Steps
Integrate the function below. Show All Steps. If possible attach a video going through the problem
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03/17/24

Please help with this magnet physics problem
On the internet, I came across an interesting physics problem. Can you help with this:The weight of a small, flat refrigerator magnet is "M". We place the magnet on the refrigerator's vertical... more
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