19,133 Answered Questions for the topic Algebra
Algebra Math
08/13/21
What do I do to rearrange the formula y=a-bx^2 to make x the subject?
Rearrange the formula y=a-bx^2 to make x the subject
Find the point at which the line
Find the point at which the line ⟨1,−2,1⟩ + t⟨−1,5,1⟩ intersects the plane −x−4y−z=−74.( , , )
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Vectors and the Geometry of Space
Find an equation of the plane consisting of all points that are equidistant from (3, -3, 5) and (3, 0, 1).
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Find an equation of the plane parallel to the plane
Find an equation of the plane parallel to the plane 9x−8y−9z=−6which passes through the point (-4, 2, -9).Give your answer in the form ax+by+cz=d (with a=9).a =b =c =d =
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08/13/21
need help with precalculus (check my answer)
f(x) = ; g(x) = 8x - 13Find f(g(x)).f(x) = ; g(x) = 8x - 11Find f(g(x)).f(x) = 5x + 3; g(x) = 6x - 5Find f/gmy answer : (f/g)(x) = domain {x|x ≠ }
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08/13/21
need help with precalculus
Determine the intervals on which the function is increasing, decreasing, and constant. is it Increasing x > 0; Decreasing x < 0 ??Use the graph of f to estimate the local maximum and local...
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Algebra
08/12/21
I need help solving this equation
The longer leg of a right triangle is 1 meter longer than the shorter leg. The hypotenuse is 1 meter shorter than twice the short leg. Find the lengths of the sides of the triangle.
Algebra
08/10/21
A(2x+3) = 9x + 15 + x
08/10/21
Pattern Practice, College Mathematics
X, 2X + 11 and 4X - 3 are consecutive terms of an arithmetic sequence.
Find the constant difference between terms.
Give a formula for finding the nth term of the sequence.
Use your formula to find...
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Describe the graph of the parametric curve
Describe the graph of the parametric curve x= tan (t) y=tan^2(t)by first eliminating the parameter.
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08/10/21
Find two pairs of polar coordinates for the point (−2,−3)r
Find two pairs of polar coordinates for the point (−2,−3)r, one pair with positive r and one pair with negative r.
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Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance has a melting point of -44.14 C and a boiling point of 337.82 C.
Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance has a melting point of -44.14 C and a boiling point of 337.82 C....
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Six more than twice a number is less than negative twelve. Solve the inequality for the unknown number
Six more than twice a number is less than negative twelve. Solve the inequality for the unknown number(Simplify your answer. Type an inequality using x as the variable.)
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You are designing a lamp reflector for a spotlight.
You are designing a lamp reflector for a spotlight. If you want to placc the lamp 50cm from the vertex of the parabolic reflector, find the equation of the parabola that describes the shape of the...
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You are designing a lamp reflector for a spotlight.
You are designing a lamp reflector for a spotlight. If you want to placc the lamp 50cm from the vertex of the parabolic reflector, find the equation of the parabola that describes the shape of the...
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Give three points that are equivalent to the polar point ( 4 , 235 ∘ ) . Write the three points in polar form, with the angles in degrees.
Give three points that are equivalent to the polar point (4,235∘). Write the three points in polar form, with the angles in degrees.
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Algebra
08/09/21
Find the speed of the whale and current
A whale swimming against an ocean current traveled 160 mi in 5 h. Swimming in the opposite direction, with the current, the whale was able to travel the same distance in 2.5 h. Find the speed of...
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Algebra
08/08/21
a diver was 7 m below the surface of the water the diver then descended 3 m. what integer represents the diver's position after the descent
A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used.
A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used. For a can with radius r and height h, this goal is reached when 2πr3=πr2h. Answer parts...
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A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used
A manufacturer can save money by making a can that maximizes volume and minimizes the amount of metal used. For a can with radius r and height h, this goal is reached when 2πr3=πr2h. Answer parts...
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Algebra
08/06/21
Find the equation (in slope-intercept form) of the line passing through the points with the given coordinates: (4,−2) , (0,5)
Algebra Maths
08/06/21
The product of 3 consecutive positive even integers is 84 times their sum. Find the 3 numbers.
The telephone company offers two billing plans for local calls. Plan 1 charges $24 per month for unlimited calls and Plan 2 charges $17 per month plus $0.04 per call.
The telephone company offers two billing plans for local calls. Plan 1 charges $24 per month for unlimited calls and Plan 2 charges $17 per month plus $0.04 per call.a. Use an inequality to find...
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