6,969 Answered Questions for the topic mathematics

Mathematics Math Algebra Functions

03/31/22

The cost function for a telephone manufacturing plant is... Determine the following...
Question #1:The cost function for a telephone manufacturing plant is  and the revenue function is , where x is the number of telephones sold, in thousands.a) Determine the profit function for the... more
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Mathematics Math Algebra Equations

03/31/22

A quadratic function has these characteristics. Please determine the following...
Question #1:A quadratic function has these characteristics:x = 1 is the equation for the axis of symmetry.x = –1 is an x-intercept.y = –4 is the minimum value.Determine the y-intercept of this... more
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Mathematics Math Algebra Equations

03/31/22

A highway tunnel has a shape that can be modelled by the equation of a parabola. Determine the following...
Question #1:A highway tunnel has a shape that can be modelled by the equation of a parabola. The tunnel is 18 m wide and the height of the tunnel 16 m from the edge is 5 m.a) Determine the equation... more
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Mathematics Math Calculus

03/31/22

Setting up double integral
Set up (do not evaluate) a rectangular double integral which gives the volume of the solid in the first octant with faces determined by the planes x + y + z = 6, x + 2y = 6, z = 0, and x = 0.
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Mathematics Math Calculus

03/31/22

Mass of lamina double integral
Consider a lamina the shape of a region in the first quadrant, inside the circle (x − 2)2+y2= 4 and outside the circle x2+y2= 8. Set up (do not evaluate) a polar double integral equal to the mass... more
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Mathematics Math Calculus

03/31/22

Double Integral Region
∫∫R (2xy)/(x2+y2)dA here R is the region in the first quadrant bounded by x2+y2= 4, x2+ y2= 1, y = x/√3 , and x = 0
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Mathematics Math Algebra Functions

03/31/22

The cost function for a telephone manufacturing plant is... Determine the following...
Question #1:The cost function for a telephone manufacturing plant is  and the revenue function is , where x is the number of telephones sold, in thousands.a) Determine the profit function for the... more
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Expert Answers •1
Mathematics Math Algebra Equations

03/31/22

A quadratic function has these characteristics. Please determine the following...
Question #1:A quadratic function has these characteristics:x = 1 is the equation for the axis of symmetry.x = –1 is an x-intercept.y = –4 is the minimum value.Determine the y-intercept of this... more
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Mathematics Math Math Graphs

03/30/22

A highway tunnel has a shape that can be modelled by the equation of a parabola. The tunnel is 18 m wide and the height of the tunnel 16 m from the edge is 5 m.
Question #1:Question #2:A highway tunnel has a shape that can be modelled by the equation of a parabola. The tunnel is 18 m wide and the height of the tunnel 16 m from the edge is 5 m.a) Determine... more
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Mathematics Math Algebra 1 Algebra 2

03/30/22

Dot product problem
a*b=|a||b|cosθ; |a|=1, |b|=4, θ=π/3Find: 1) (2a-3b)(a+b)2) |2a-3b|How to solve these kind of problems?
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Mathematics Math Algebra 1 Algebra 2

03/30/22

Vector dot product problem
a*b=|a||b|cosθIt is known that |a|=1, a*b=-2a) find θ, if |b|=2b) find the interval of |b|
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Mathematics Math Equations Functions

03/30/22

The graph shows a function f that is a parabola. Determine the following...
Question #1:The graph shows a function f that is a parabola.a) Determine the equation of f(x). b) Determine the equation(s) of . Question #2:Muhammad is disc shooting. The height of the disc, in... more
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Mathematics Math Algebra Equations

03/30/22

The graph shows a function f that is a parabola. Please determine the following...
Question #1:The graph shows a function f that is a parabola.a) Determine f(x).b) Determine the domain and range of f-1(x).c) Determine the equation(s) for .Question #2:A highway tunnel has a shape... more
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Mathematics Math Functions Graphing

03/30/22

A quadratic function has these characteristics: x = 1 is the equation for the axis of symmetry. x = –1 is an x-intercept. y = –4 is the minimum value. Determine the y-intercept of this parabola.
Question #1:A quadratic function has these characteristics:x = 1 is the equation for the axis of symmetry.x = –1 is an x-intercept.y = –4 is the minimum value.Determine the y-intercept of this... more
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Mathematics Math Science Physics

03/30/22

Help needed with physics
A 1200 kg safe is 2.4 m above a spring when the rope holding the safe breaks. The safe hits the spring and compresses it 42 cm. What is the spring constant of the spring?
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Mathematics Math Science Physics

03/30/22

Help with physics question
A system in which only one particle can move has the potential energy shown in the figure. Suppose U1 = 92 J. What is the y -component of the force on the particle at y = 0.5 m ? What is the ... more
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Mathematics Math Science Physics

03/30/22

Help needed with physics question
A 58.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.70 m. What speed does he need at the bottom?Any help... more
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Mathematics Math Calculus Maths

03/30/22

Find the equation of the tangent line and normal line to the curve e^(-x)-y=0 at (-1,0).
Find the equation of the tangent line and normal line to the curve e^(-x)-y=0 at (-1,0). Tangent lineis y=-e(x+1) correct?Normal Lineis y=1/e (x+1) correct?
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Mathematics Math Calculus Maths

03/30/22

An airplane is flying parallel to the ground at an altitude of 2 km and at a speed of 4(1/2km)/minf the plane flies directly over the Statue of Liberty,
An airplane is flying parallel to the ground at an altitude of 2 km and at a speed of 4(1/2km)/min. If the plane flies directly over the Statue of Liberty, at what rate is the line- of- sight... more
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Mathematics

03/29/22

At a certain zoo, the average mass of one cow is measured to be 410 kilograms. Use scientific notation to express the mass of 95 cows.
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Mathematics Math Sat Math Maths

03/29/22

Show that line 1: <1+t, -3-t, 5+2t > and line 2: < 4-s, -3+s, 6+2s >are skewed.
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Mathematics

03/29/22

select all the expressions that equal to 4 x 10 to the sixth power
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03/29/22

what is the measure of the following angle
NOTE : TRIANGLEIHAVE C = 85E = 50A = 45
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Mathematics Math Calculus Maths

03/29/22

An airplane is flying parallel to the ground at an altitude of 2 km and at a speed of 4(1/2km)/minf the plane flies directly over the Statue of Liberty,

An airplane is flying parallel to the ground at an altitude of 2 km and at a speed of 4(1/2km)/min. If the plane flies directly over the Statue of Liberty, at what rate is the line- of- sight... more
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Mathematics Math Algebra 2 Algebra

03/29/22

Sharon shared a Tik Tok with 3 of her friends. Within 1 hour , each of her friends had shared it to 3 of their friends. Sharon wants to know how many people would have seen the Tik Tok after 6 hours.
Sharon shared a Tik Tok with 3 of her friends. Within 1 hour , each of her friends had shared it to 3 of their friends. Sharon wants to know how many people would have seen the Tik Tok after 6... more
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