11/21/22

The velocity function is v(t)=t^2−4t+3 for a particle moving along a line. Find the displacement (net distance covered) of the particle during the time interval [−1,5].
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11/21/22

What is the price (in dollars) of the land per acre?
You want to buy a triangular lot measuring 1380 feet by 1840 feet by 2470 feet. The cost of the land is $62,000. What is the price (in dollars) of the land per acre? (Hint: 1 acre = 43,560 square... more
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11/21/22

Antiderivatives and Indefinite Integration
Consider the function f(x) whose second derivative is f''(x) = 7x+7sin(x). If f(0) = 3 and f'(0)= 4, what is f(3)?
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11/21/22

Use Newton's method to approximate the value of the cube root of 59.
Use Newton's method to approximate the value ofas follows:Let x1 = 3 be the initial approximation.The second approximation x2 isand the third approximation x3 is
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11/21/22

Let y=y(x$ be implicitly defined by the equation x=2xy+6ln(y)
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11/21/22

How much HCO2H is obtained by reacting 3.97 g of FeS, 1.98 g of H2S, and 1.98 g of CO2 if the reaction results in a 51.0% yield?
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11/21/22

What is the limit of the following series and is it conditionally or absolutely convergent?
∞∑(-2/arctan(n))^n n=1
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11/21/22

Find y as a function of x if x2y′′+13xy′+36y=x2, y(1)=5, y′(1)=−2.
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11/20/22

A scale reads 136 N when a piece of copper is hanging from it. What does it read (in N) when it is lowered so that the copper is submerged in water?
A scale reads 136 N when a piece of copper is hanging from it. What does it read (in N) when it is lowered so that the copper is submerged in water?
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11/20/22

The Rf value was calculated to be 0.7 for a pigment spot that had travelled 14 cm on a chromatogram. What distance had the solvent front travelled?
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11/20/22

Algebra functions

f(x) = 2x^2 - 4, g(x)= 3x + 1, find (fg)(4)
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11/20/22

Evaluate ∫∫C xy dx + (x − y) dy; C consists of the line segments from (0, 0) to (2, 0) and from (2, 0) to (3, 2).
Evaluate ∫∫C xy dx + (x − y) dy; C consists of the line segments from (0, 0) to (2, 0) and from (2, 0) to (3, 2).
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11/19/22

Use synthetic division to determine if the given value for k is a zero of this polynomial. If not, determine p(k). p(x)=3x^4−5x^3−4x^2+13x−7;k=1
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11/19/22

Arrange the compounds according to the magnitudes of their lattice energies based on the relative ion charges and sizes.
The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic interaction between the ions and thus the strength of the lattice energy of the ionic compound.... more
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11/19/22

ANALYTICAL QUESTION HELP
Determine the molar solubility of copper(I) azide (CuN3CuN3) in a solution with a pH of 10.20. Ignore activities. The Ksp for CuN3 is 4.9×10−9. The Ka for HN3 is 2.2×10−5
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11/19/22

Five cards are dealt from a standard deck of 52 cards. The probability of having one heart is?
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11/18/22

Circular Motion problem

A point starts at the location (2.5,0) and moves counter-clockwise along a circular path with a radius of 2.5 units that is centered at the origin of an x-y plane. An angle with its vertex at the... more
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11/18/22

Find the minimum value of the expression radical(a^2+4)+radical((3-a)^2+16)
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11/18/22

Solve for x. 3600=400(2^10x)
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11/18/22

If log M/N=5 and log P/N=7, what can you say about the relationship between M and P?
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11/18/22

redox reaction help
Balance the following in a basic solution. (Omit states-of-matter from your answer. Use the lowest possible whole number coefficients.)Ti(s) + CrO42−(aq) → Ti(OH)3(s) + Cr(OH)4−(aq)
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11/16/22

Find the Differential Question!
Let y = tan(5x+5).Find the differential dy when x = 5 and dx = 0.3IFind the differential dy when x = 5 and dx = 0.6
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11/16/22

Maximizing profit help?
If C(x) = 18000 + 500x − 1.2x2 + 0.004x3 is the cost function and p(x) = 2900 − 6x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized,... more
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11/16/22

This is a physics question

A 6.00 kg block rests on a plane with a coefficient of friction of 0.10 and set at a 30-degree angle with respect to the horizontal. It is attached to a rope wrapped around a 4.66 kg drum with a... more
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11/16/22

Calculate the molarity of the student's sodium hydroxide solution. Be sure your answer has the correct number of significant digits.
A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 68.mg of oxalic acid H2C2O4, a diprotic acid that can be purchased inexpensively in high... more
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