59,485 Answered Questions for the topic Math

Math

03/15/24

If f(x) = 3x - 11, find f(-4). Can someone help me with this problem please?
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03/14/24

Coaxial cable-physics problem
Please help with this problem.Problem:Power P is transmitted over a distance D on a coaxial cable. The radius of the cable's inner conductor with negligible resistance is Ri, and the radius of the... more
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Math

03/14/24

Question 6 options: If x and y vary inversely and x is 25 when y is 29, determine y when x is equal to 145.
help me
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Math

03/14/24

arithmetic reasoning

a jeweler had on sale on rings marked"Two for the Price of one."If the jeweler normally sells the ring for $50.00 and they cost him $20.00 each, his profit on the sale of two rings is
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Math

03/14/24

Write down the equation of an ellipse in standard form.
ellipse; length of LR = 3, minor axis coincideswith the vertical diameter of the circle (x - 2)2+ (y+9)2= 8
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Math Calculus

03/14/24

Evaluate the Integral
Evaluate the Integral. Please show all steps. If possible please attach a video going through the problem.
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Math Calculus

03/14/24

Write out the general form of the partial fraction decomposition of the function. Do not determine the numerical values of the constants.
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03/13/24

What is the volume of.

What is the volume of a thank 3ft by 1.5 ft by 2ft
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Math Prealgebra

03/13/24

Eva purchased a car for $26,000. One year later the value of the car had dropped to $8,000. What is the percent decrease in the value of the car?
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Math Geometry

03/13/24

Find the ratio of x to y, given the 2 equations.
6/y + 5/x = 31 10/y -4/x = 31
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Math

03/13/24

Is an elevation of -10 feet closer or farther from the surface of the ocean than an elevation of -8 feet?
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Math

03/13/24

A rectangular piece of metal is 5 centimeters wide and 6 centimeters long. What is its area?
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Math

03/13/24

what equation is equal to 3(4d + 9)
what
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Math

03/13/24

What’s the base of this shape?
What is the base of a shape if the width is 8 yards in the areas 96 yd.²?
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Math

03/12/24

At midnight, the temperature in a city was 5 degrees Celsius. The temperature was dropping at a steady rate of 2 degrees Celsius per hour.

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Math

03/12/24

Simplify the expression: 6 − 2x + 5 + 4x

i want to simpilfy 6 - 2x + 5 + 4x
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03/12/24

Calculus Help!!
A farmer wants to fence in a rectangular field. The farmer must use a different type of fencing for each pair of parallel sides of the field. One type costs $10 per metre, and the other type costs... more
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03/12/24

calculus Help!!!
Consider the function defined by f(x)= ln( sqrt(|1−x^2|)). •a) State the domain of this function.b) Determine the derivative of ln(sqrt(|1−x^2|)).Be careful to show your work.
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03/12/24

How much money should be deposited today in an account that earns 3.5 % compounded monthly so that it will accumulate to $ 12 comma 000 in 3 ​years?
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03/12/24

Urgent calculus help
I need help finding some contour lines for the following function:
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Math

03/12/24

Equation of a circle
What is the equation of a circle in standard form with the given characteristics?Center (-15,9)Tangent to y=8
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Math

03/12/24

The revenue R from the sale of x cameras is given by R=26x−x^2. The cost C of producing x cameras is given by C=40+13x .How many cameras must be produced and sold in order to break even?

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03/12/24

Differentiable function of two variables
                                                                 A differentiable function of two variables reaches its maximum value at (0,0) being the value of the function 5. A student... more
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03/12/24

Determining the maximum and minimum values of function
Determine the maximum and minimum values of the function f(x,y)=x^2+y^2-2x-4y+5 in the set D = {( x ,y )∈R^2 / x^2 + y^2 ≤ 45}.
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Math

03/12/24

in a farm, there are some goats and some ducks. if the animals have a total of 15 heads and 44 legs, how many goats are there
hard math
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