06/11/19

Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is selected. Find the probability of selecting a three and then selecting a five

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06/11/19

The probability that an event will happen is P(E)=14/19. Find the probability that the event will not happen.
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06/11/19

The probability that an event will happen is P(E)=14/19. Find the probability that the event will not happen.
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06/11/19

Blocky is sliding down a hill. His mass is 15 kg, and the hill has an angle of 35 degrees. If the hill is 80 m long, find the following.
a) Blocky’s velocity at the bottom of the hill. b) The time it takes for blocky to reach the bottom of the hill.This is Physics 1 Please show work and explain
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06/11/19

2y< -12x+4 y<-6x+4
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06/11/19

A car can be accelerated with maximum acceleration of 4m/s^2 and it brakes can produce a maximum retardation of 2 m/s^2.
A car can be accelerated with maximum acceleration of 4m/s^2 and it brakes can produce a maximum retardation of 2 m/s^2. The minimum time to cover a distance of 1200 m starting from rest and... more
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06/08/19

Find the number of waterfalls that will maximize the manufactuer's proft?
A manufacturer of pond waterfalls knows that the total cost C dollars of making X waterfalls is given by C=100x+0.1x^2+1200 and that the corresponding sales revenue R dollars is given by R=750x.... more
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06/07/19

Find an equation of a cosine function with maximum of 7, minimum of -7 and period of 7.
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06/05/19

System of equations: how do i solve this? 3x+2y=10 and 2x-y=9
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06/05/19

How do I use the following number to get the right result in this equation?
In the following equationx-32/3.142+110/3.142=28x≈3.17505x + 24.825 = 28However we are given the equation in the test without telling us that the equation equals 28 so it would look like... more
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06/05/19

A drop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. What is its volume in cubic centimeters? Express your answer in cubic centimeters.
A drop of acetone (nail polish remover) has a mass of 35 mg and a density of 0.788 g/cm3. What is its volume in cubic centimeters?Express your answer in cubic centimeters.
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06/05/19

Calculate the amount of heat required to raise the temperature of an 76 g sample of water from 31 ∘C to 62 ∘C. Express your answer using two significant figures.
Calculate the amount of heat required to raise the temperature of an 76 g sample of water from 31 ∘C to 62 ∘C.Express your answer using two significant figures.
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06/04/19

Help, please !?What is the lateral area of the pyramid shown below?

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05/31/19

∫(lnx)^ndx=x(lnx)^(n)-n∫(lnx)^(n-1)dx;
All I need to know is what dv=I already found u=(ln(x))^ndu= n(ln(x))^(n-1)*(1/x)
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05/31/19

The mathematics section of a standardized college entrance exam had a mean of 22.522.5 and an SD of 5.15.1 for a recent year.
The mathematics section of a standardized college entrance exam had a mean of 22.522.5 and an SD of 5.15.1 for a recent year. Assume these are well modeled by a Normal distribution.​a) About what... more
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05/31/19

if 30.0 ml of 0.500 m KOH are needed to neutralize 10.0 mL of H2SO4 of unknown concentration what is the molarity of the sulfuric
please help i dont understand
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05/30/19

Assignment For Physics
Why is the electron in the hydrogen atom not falling into the nucleus?
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05/30/19

Function Questions

1) Given h(x) = x - 4 g(x) = x2 - 6x Find (h + g)(x) 2) Given g(x) = 4x - 4 f(x) = x2 - 2x Find (g * f)(n)3) Given h(n) = 4n - 2 g(n) = -2n +... more
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05/29/19

DC = 10 what is the value of AB and what is the measure of angle ABD
It is a rectangle made of up two right triangles. Between D and C it is 60 degreesexample:A. BD. 60 Cthe options for the first question are10sqr 3 , 10 sqr 2 , 20, 10
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05/28/19

What is the relation between single variable and multivariable?
What is the relation between single variable and multivariable?
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05/28/19

Academic math help please
Determine the dimensions of a square-based open topped prism with a volume of 24cm and a minimum surface area
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05/27/19

Given: circle: k(O), m∠A = 101° m∠L = 79°, m LK = 122° Find: m AJ

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05/26/19

How do you graph f(x) = -2^(x+3) + 4. Can you explain?
I know x+3 is a shift to the left, so we subtract 3 from each original x point (what are the original x and y points?).I know +4 is the constant, so it’s the horizontal asymptote? How do I know... more
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05/26/19

Sentence equations

A manager wants to separate his 25 employees into two teams. One team has seven fewer members than three times the other team. Find the number of employees on each team.
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05/26/19

Differentiation
y= (x^2) / cos4x a) find dy/dxb) find the approximate change in y when x is increased from pi/4 to pi/4 + p, where p is small
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