Paul M.

03/18/20

algebra question

The amount of acid used to neutralize a base is directly proportional to the amounts used. If 9g of hydrochloric acid neutralizes 10g of lye, how many grams of lye are neutralized by 72g of... more

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Math Calculus Precalculus

03/18/20

Calculus Question

Express this product as an algebraic sum: 2 sin 3θsin 5θ.a. – cos 8θ + cos 2θ b. – cos 8θ- cos 2θc. cos 8θ - cos 2θd. cos 8θ + cos 2θ

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Math Calculus

03/18/20

Find an equation of the tangent line to the curve at the given point. y = 6x + 6 cos(x), P = (0, 6)

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Algebra 2 Quadratic Equation System Of Equatons

03/18/20

Math word problem

The length of a rectangle is three more than twice the width. Determine the dimensions that will give a total area of 27m2. What is the minimum area that this rectangle can have?

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Algebra 2

03/17/20

Find two numbers whose sum is 38 and whose product is as large as possible.

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Math Calculus Sat Math

03/16/20

If h(2) = 9 and h'(2) = −4, find

If h(2) = 9 and h'(2) = −4, find d/dx((h(x))/x)^2. x=2

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Calculus Evaluate Sequences In Recursive Form

03/15/20

Evaluate sequences in recursive form. f(1)=3 , f(n)=f(n-1)+5.5

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Calculus

03/14/20

Arithmetic Sequences(Please help - Don't understand)

Find the the 25th term of an arithmetic sequence s whose 16th term is 11/2 and whose 41st term is 43/3 If s is an arithmetic sequence (with associated series S ) such that the 28th term = -101 and... more

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Trigonometry

03/14/20

Bearing and distance

Two ships A and B leave the same harbour at the same time in the directions 152° and 142° respectively. What is the bearing of A from B at this time when A travelled 10km and B travelled 12km.

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Algebra 1 Algebra 2 Algebra

03/13/20

Algebra Problem:

Solve: -3x2 = 6x + 9 The solution is a complex number consisting of a “real” part ± an “imaginary” part ± .What is this “imaginary” part of the complex number solution?(A) ± 2√3 i(B) ± √2 i (C) ±... more

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Calculus

03/13/20

Find the inflection point, if any, for the function f(x) = x^3 + 3x^2 + 1

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Geometry

03/12/20

Given segRS, with point P on the segment between point R and point S. RP = 2x - 3, PS = 3x + 6, and RS = 38. a) Find RP.

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Algebra 1 Algebra 2 Algebra

03/10/20

Is this the correct answer?

Simplify: (m)/(1+(x/(p+n/2)(A) (mn+2mp)/(n+2p+2x)(B) (m(n+2p))/(2x)(C) m + (2x)/(n+2p)(D) m(n+2p)/(2p+np+2x+nx)(E) None of the above For this I got; (A) (mn+2mp)/(n+2p+2x). Is this correct?

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Algebra 1 Algebra 2 Algebra

03/09/20

Algebra Problem:

Simplify: 1———— 4 + a -— 4 + 4 — b(A) (4 + b)/(16+(4+a)b)(B) (1)/(4ab)(C) (4(1+b))/(16(1+a+b))(D) (4+4b)/(ab+16b+16)(E) None of these For this I got; (D)... more

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Trigonometry

03/09/20

If cos(θ)=3/5, and θ is in Quadrant I, then what is sin(θ/2)?

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Math Calculus Precalculus

03/09/20

Evaluate the integral

Evaluate

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Calculus Precalculus Pre Calculus

03/08/20

Pre Calc Question

A straight road makes an angle of 14° with the horizontal. When the angle of elevation, B, of the sun is 58°, a vertical pole beside the road casts a shadow 8 feet long parallel to the road.... more

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Calculus

03/07/20

The drug concentration in the bloodstream after injection is given approximately by C(t) = 4.35e^-t. What is the rate of change after 3 hours and after 5 hours?

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Calculus Mathematics

03/06/20

Two circles of radius 8 are tangent to the graph of y2 = 4x at the point (1, 2). Find equations of these two circles. (Enter your answers as a comma-separated list.)

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Algebra 2 Algebra

03/06/20

Write the quadratic equation whose coefficient with x^2 equal to 1 and roots are (sqrt(3)-1)/2 and (sqrt(3) 1)/2

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Algebra 1

03/05/20

how do I determine all solutions (real and non-real) for this?

52.9(x + 8.62)(x^2 + 11)(x-46.3)^7 = 0my teacher told me "set all equal to zero and solve for x" but I have no clue how to actually do that someone please help

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Calculus

03/05/20