499 Answered Questions for the topic Mathematica

Mathematica Math Calculus Precalculus

09/09/22

The points P({4},{1}) and Q(x,y) are on the graph of the function f(x) = {\sqrt{x}-1}.
The points P(4, 1) and Q(x, y) are on the graph of the function f(x) = √x - 1. Complete the table with the values for the slope of the secant line passing through points P and Q. Do not round until... more
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09/07/22

find the determinant
If a 4×4 matrix A with rows v1, v2, v3, and v4 has determinant detA=7,row 1 [ v1]row 2 [ 4v2 + 9v4 ]row 3 [ v3 ] row 4 [3v2 + 2v4 ]what is the det of this matrix?
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09/06/22

matrix help finding X
Solve for X. Assume X is a 2×2 matrix and I denotes the 2×2 identity matrix. Do not use decimal numbers If there are fractions, leave them unevaluated.
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08/30/22

matrix arithmetic help
Determine the value(s) of x such that [3 -6 -3] [x][ x 2 1] -6 -2 3 -1 -3 -2 0 ... more
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Mathematica Math Physics

08/28/22

Need help with physics problem
Charge q2 in the figure is in equilibrium. Assume q = 5.4 nC. (+)q1 q ... more
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Mathematica Math Physics

08/28/22

i need help with physics
Two point charges q and 4q are at x=0 and x=L, respectively, and free to move. A third charge is placed so that the entire three-charge system is in static equilibrium.What is the x-coordinate of... more
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Mathematica Math Physics

08/28/22

physics problem
A 0.11 g honeybee acquires a charge of +25pC while flying. The earth's electric field near the surface is typically (100 N/C, downward).What electric field (strength) would allow the bee to hang... more
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Mathematica Math Calculus Physics

08/28/22

Help needed with physics problem
What is the net electric force on charge B in the figure? Suppose that a = 1.6 cm and b = 0.60 cm.^A | (+) 1.0 nC|||| a||B | (-) -2.0 nC|| b|C| (+) 2.0 nC(Express your answer to two significant... more
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08/26/22

Linear system what does H not equal
Let k, h be unknown constants and consider the linear system:x - 4y + 7z = -77x - 4y +8z = 317x - 20y + hz = kThis system has a unique solution whenever h does not equal ???
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Mathematica Algebra 2

08/25/22

Write the area A of the triangle as a function of x, and determine the domain of the function.

A right triangle is formed in the first quadrant by the x- and y-axes, from (0,y) and (x,0) and a line through the point (5, 3). Write the area A of the triangle as a function of x, and determine... more
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08/24/22

parabola find the equation
The equation for a parabola has the form y = ax^2 + bx + c, where a, b, and c are constants and a≠0. Find an equation for the parabola that passes through the points (−1,−9), (−3,1), and (3,19).y =... more
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08/24/22

rate investment system of equations

A man invests his savings in two accounts, one paying 6% and the other paying 10% simple interest per year. He puts twice as much in the lower-yielding account because it is less risky. His annual... more
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Mathematica Math Algebra 1 Algebra 2

08/12/22

Find the area and perimeter of the figure determined by the points. (−5, 5)​, (0, 1)​, (4, 6)
Find the area and perimeter of the figure determined by the points. (−5, 5)​, (0, 1)​, (4, 6)​(Simplify your answer. Type an exact​ answer, using radicals as​ needed.)
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08/12/22

Calculus Math Help
Given f(x, y) = x4 - 5xy5 - 4y3, find the following numerical values:fx(2, 2) fy(2, 2)---------------------------------------I was able to find for fy(2, 2) which is -848 and my online homework is... more
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08/10/22

Probability &statistics
News reports tell us that the average American is overweight. Many of us have tried to trim down to our weight when we finished high school or college. And, in fact, only 20% of adults say they do... more
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Mathematica Math Algebra 1 Algebra 2

08/02/22

Math problem solve

Using the company's most popular brand of rope material, your team determined a rule for a standard length of rope and the number of knots as:L(k)=200−12kwhere kk is the number of knots in the rope... more
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Mathematica Math Algebra 1 Algebra 2

08/02/22

REDO Math Problem
You are assigned by High School to design a playground as part of your volunteer service. The playground consists of two brands of rope used for ladder assembly. Brand X of rope takes 4 hours to... more
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Mathematica Math Algebra 1 Algebra 2

08/02/22

REDO Math Problem
You are assigned by High School to design a playground as part of your volunteer service. The playground consists of two brands of rope used for ladder assembly. Brand X of rope takes 4 hours to... more
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Mathematica Math Algebra 1 Algebra 2

08/02/22

Math Problem Knot
You are assigned by High School to design a playground as part of your volunteer service. The playground consists of two brands of rope used for ladder assembly. Brand XX of rope takes 44 hours to... more
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08/01/22

HELP, please. How can I get to that solution by solving the equation other than by trial and error?
Example 3.38. An electric cable of 12 mm diameter is insulated to increase the current capacity. Due to insulation the current carrying capacity is increased by 15% without increasing cable surface... more
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08/01/22

HELP, please. How can I get to that solution by solving the equation other than by trial and error?
Example 3.38. An electric cable of 12 mm diameter is insulated to increase the current capacity. Due to insulation the current carrying capacity is increased by 15% without increasing cable surface... more
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Mathematica Math Geometry

07/25/22

A basketball was thrown upward. The basketball’s path is given by the table
d 1 1.5 2 2.5 3 3.5 4 4.5 5h 3.2 3.55 3.8 3.95 4 3.95 3.8 3.55 3.2Where h is the basketball’s height, in meters, above the ground and d is the basketball’s horizontal distance, in meters, from... more
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Mathematica Math Matlab

07/22/22

Taylor Method iterative formula, HELP please
dY/dt = 2tyy(0)=1a) Determine the order 2 Taylor Method iterative formula for the above equation and calculate y(1) with step h = 0.2.b)calculate the exact solution of the PVI and the error made in... more
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07/22/22

Need help to solve this please
A soccer club wants to create an experienced team and need to organise an event to run a series of trials.The teams combination is to include experienced soccer players (d ) and training analysts... more
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07/22/22

Need Help to solve
Demand and cost equation.q = quantity in kgp = price in $c = total costs in $p = 350 - 68qc = 265 + 70qa. Break-even level(s) of production to four decimal places.b. Profit maximising level of... more
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