59,606 Answered Questions for the topic Math

03/22/24

Linear Algebra ( Subspaces )
Let vector w = (1, 1, 2, -1).W = { u ∈ R^4 | u ⋅ w = 2 }, and V = { u - (1, 0, 1, 1) | for all u ∈ W }.(a) Is W a subspace? Explain your answer.(b) Show that V is a subspace and that T = {... more
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Math

03/22/24

help pleaseeeeeeeeeeeeeeeee
A scale that ranges from minus 7 to minus 4. The region from minus 6.75 to minus 4.25 is highlighted. What is the length of the red line segment on the number line?
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Math

03/22/24

help pleaseeeeeeeeeeeeeeeee
A scale that ranges from minus 7 to minus 4. The region from minus 6.75 to minus 4.25 is highlighted. What is the length of the red line segment on the number line?
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Math

03/22/24

Find the equation of the linear function represented by the table below in slope-intercept form.
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Math Calculus

03/22/24

Need help with this Calculus problem!
5. The integrals defined in line (3) are meaningful numbers for any integrable function f. Treating a given function as if it were a combination of periodic functions opens the door to Fourier... more
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Math

03/22/24

What is the answer below
Here is a scatter plot that shows the most popular videos in a 10-year span.  Use the scatter plot to estimate the number of views for the most popular video in this 10-year span. 
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Math Calculus

03/21/24

Suppose we want to integrate
Sometimes we switch coordinates because it makes the integrand easier. Let D� denote the triangular region with vertices at (0,0),(1,0) and (0,1). This region is not round. However, suppose we want... more
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Math

03/21/24

Related Rate for Calculus 1
Water is flowing into a vertical cylindrical tank of radius 3 meters at the rate of 18 cubic meters per minute. How fast is the water level rising?
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Math

03/20/24

Use the distributive property to express 8+36
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Math

03/20/24

Three less than one-fourth of the product of eight thirds and nine
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Math

03/20/24

Find the present value of $10,000 if interest is paid at a rate of 9% per year, compounded semiannually, for 4 years.

Math
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03/20/24

Statistical test for percentages values with different denominators !!!
Hello, What statistical test can you do with percentage values that do not have the same sample size (do not have the same denominator). For example : 43/53, 21/30, 11/24 would be 81% , 70% , 46%... more
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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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