JACQUES D.

Calculus

08/23/22

Find the component form and magnitude of the vector v with the given initial and terminal points. Then find a unit vector in the direction of v.

Initial point: (4, −3, −4)Terminal point: (5, 0, 6)V=||V||=V/||V||=

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Physics

08/21/22

Physics (vector) Question

Dear experts,Im having an issue understanding the following Physics question...The vector product between two vectors of known intensity is maximum when:1) the scalar product between the same... more

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Statistics Probability

08/20/22

Probability of A give B

This is a probability question. What is the probability of A and B if the Probability of A|B = .6What is the Probability of A intersect B?

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Biology Chemistry Biochemistry

08/20/22

Chemistry uncertainty and sig figs

can anyone help me with this1) which number if the measure value is 8.4I26, which of the numbers has uncertainty2) if the scale division 0.1 unit, and the measurement values at 3.2 units, how do u... more

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Precalculus

08/19/22

Derivatives Lesson

Can somebody please introduce me to derivatives and explain them fully and how to solve them? Please include all the formulas necessary. If you can provide a couple examples step by step as well... more

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Chemistry

08/15/22

Balance the redox equation below in acidic solution.

[a] H+ + [b] ClO31- + [c] Cl1- → [d] Cl2 + [e] ClO2 + [f] H2Othe answers are: 4, 2, 2, 1, 2, 2 respectively.Having trouble balancing the electrons to get to the answer.

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Calculus

08/13/22

Hi please help me Thanks

The polynomial of degree 4, P(x)P(x) has a root of multiplicity 2 at x=2x=2 and roots of multiplicity 1 at x=0x=0 and x=−3x=-3. It goes through the point (5,216)(5,216).Find a formula for P(x)P(x).

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Chemistry

08/12/22

at 603K, Kc for the reaction NH4Cl(g) ==> NH3(g) + HCl(g) is 1.1X10^(-2). what is the equilibrium concentration of NH3(g) if 6the initial concentration of NH4Cl(g) is 0.500M

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Math Calculus Differential Equations

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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Precalculus

08/11/22

Convert the Cartesian coordinate (− 3 , − 2) to polar coordinates, 0 ≤ θ < 2 π r = θ =

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Chemistry

08/11/22

chemistry question about reduction

"The more negative a reduction potential is, the stronger of a reducing agent it will be". does that means the further away from 0 on the number line the value is, the better reducing agent it will... more

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Chemistry

08/07/22

А сеrtаіn rеасtіоn А → рrоduсtѕ іѕ ѕесоnd оrdеr іn А. Іf thіѕ rеасtіоn іѕ 85% соmрlеtе іn 12 mіnutеѕ, hоw lоng wоuld іt tаkе fоr thе rеасtіоn tо bе 20.% соmрlеtе?

how would i get the percentages into values to use in the integrated rate law?

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Chemistry

08/07/22

Lattice and hydration energies

Consider the dissolving of calcium chloride crystals in water:CaCl2(s) → Ca(aq) 2+ + 2Cl(aq) − ∆H= –75.6 kJ(i) Compare the lattice energy and hydration energy for calcium chloride.(ii) If 50.0 g of... more

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Calculus

08/07/22

maclaurin series

The Maclaurin series for f(x)=cos(x) is given by (fill in the blanks below):cos(x)= __ +__x + __/(2x2) + ____/(6x3) + ____/(24x4)

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Probability

08/06/22

Probability with binomial distribution

A basketball player has a 0.603 probability of making a free throw. If the player shoots 28 free throws, what is the probability that she makes no more than 20 of them? Round to 3 decimal places... more

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Calculus

08/06/22

find an antiderivative

Find an antiderivative F(x) with F′(x)=f(x)=8+15x2+21x6F'x=fx=8+15x2+21x6 and F(1)=0F1=0. Remember to include a "+ C" if appropriate. F(x)=

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Precalculus

08/05/22

Pre-Calculus probl

How much more intense is a sound at the level of the threshold of pain (110 dB) than a conversation at 48 dB?A sound at the level of the threshold of pain (110 dB) is................ times as... more

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Math Physics

08/05/22

Find the Maximum height reached

A stode is thrown upward so that any time x (in second) after throwing, the height of the stone is y=100+10x-5x^2 (in meter) . Find the maximum height reached?

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Chemistry

08/04/22

Mass defect and binding energy

Calculate the mass defect and the binding energy/nucleon of the nuclide , which has a mass of 9.012 182 24 amu. The mass of a proton is 1.007 276 47 amu and the mass of a neutron is 1.008 664 90.... more

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Algebra 1

08/04/22

HELLLLLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPP MMMMMMMMMMMMMMEEEEEEEEEEEEEE

Write a function to model the data. x −1 0 1 2 3 y 0 −6 −6 0 12 The function is y= .

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Statistics Probability

08/03/22

Binomial distribution

Using the binomial distribution to determine the following: a)If n = 4 and p = 0.20, then P(X=1) = ? b)If n = 3 and p = 0.10, then P(X<2) = ? c)If n = 6 and p = 0.30, then P(X>1) = ?

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Answers •1

Precalculus

08/03/22

Let f(x) =1/x evaluate and simplify f(2+h)=f(2)/h

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Answers •2

Precalculus

08/03/22

Given that f(x)=6x-4 and g(x)=1-x^2 calculate f(g(0)) , g(f(0))

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Trigonometry

08/02/22

need answer for this question asap

A gardener has 520 feet of fencing to fence in a rectangular garden. One side of the garden is bordered by a river and so it does not need any fencing. What dimensions would guarantee that the... more

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Science Physics Act Science

08/02/22

Body rotating about its axis problem

A rigid body composed of n particles with positions xi, and masses mi (i = 1, 2, . . . , n), rotates about the z-axis with constant angular speed ω. Show that the body’s kinetic energy is T = 0.5... more

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Answers •1

Find the component form and magnitude of the vector v with the given initial and terminal points. Then find a unit vector in the direction of v.

Physics (vector) Question

Probability of A give B

Chemistry uncertainty and sig figs

Derivatives Lesson

Balance the redox equation below in acidic solution.

Hi please help me Thanks

at 603K, Kc for the reaction NH4Cl(g) ==> NH3(g) + HCl(g) is 1.1X10^(-2). what is the equilibrium concentration of NH3(g) if 6the initial concentration of NH4Cl(g) is 0.500M

Calculus Math Help

Convert the Cartesian coordinate (− 3 , − 2) to polar coordinates, 0 ≤ θ < 2 π r = θ =

chemistry question about reduction

А сеrtаіn rеасtіоn А → рrоduсtѕ іѕ ѕесоnd оrdеr іn А. Іf thіѕ rеасtіоn іѕ 85% соmрlеtе іn 12 mіnutеѕ, hоw lоng wоuld іt tаkе fоr thе rеасtіоn tо bе 20.% соmрlеtе?

Lattice and hydration energies

maclaurin series

Probability with binomial distribution

find an antiderivative

Pre-Calculus probl

Find the Maximum height reached

Mass defect and binding energy

HELLLLLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPP MMMMMMMMMMMMMMEEEEEEEEEEEEEE

Binomial distribution

Let f(x) =1/x evaluate and simplify f(2+h)=f(2)/h

Given that f(x)=6x-4 and g(x)=1-x^2 calculate f(g(0)) , g(f(0))

need answer for this question asap

Body rotating about its axis problem

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