William W.

03/03/19

In chemistry the volume for a certain gas is given by V = 10T, where V is measured in cc and T is temperature in °C. If the temperature varies from 90°C to 130°C, find the set of volume values.

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03/03/19

Can someone please help me figure this out??

1. A tank contains 150 L of water, and water is added to it through a hose at a rate of 50 L/min. V is the volume of water in the tank in litres, and t is the time in minutes.1a. Write down an... more

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Probability Problem Sums

03/03/19

Problem Sums which kills your mind

John has a box of marbles. The marbles can be put into bags of 3 or 8 with no leftover. When the marbles are put equally into 9 bags, there are three marble left.What is the smallest possible... more

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Algebra 2

03/03/19

College Algebra

Find the equation of the linear function g that has g(2)=8 and that is perpendicular to m(a)=8/7a+33

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Calculus

03/03/19

Volume Calculus

Consider the solid obtained by rotating the region bounded by the given curves about the line y = 4.Find the volume V of this solid.

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Algebra 2 Word Problems Quadratic Equation

03/03/19

Instead of -1/10 I have -1/3 is that wrong?

R(x)=-1/3(x)^2+100(x) My teachers tells us to use -1/3 instead of -1/10 is this correct or is my teacher wrong? Or am I doing my problems wrong?

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Physics

03/03/19

Physics help plz

A student is rushing to class and collides with a vice principal, who was standing still just before the collision. The vice principal has a mass of 100. kg, and the student has a mass of 50. kg,... more

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Algebra 2

02/26/19

for the p(-15,10) and (-8,13) find the distance d(p,q) and the coordinates of the midpoint m of the segment pq

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Calculus

02/26/19

calculus value of constant

Find the value of constants a and b so that the given function is continuous everywhere. f(x)={-ax^2+bx x<2 , 3 x=2, a+bx x>2}

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Calculus Derivative

02/26/19

Calculus deriveatives

Let f(x)=xsin(x). Find f′′(3.2).

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Precalculus Trigonometry

02/26/19

Trig Precalculus Help

If sin θ = 0.25, find the value of sin(−θ).If cos θ = 2 3 , find the value of cos(θ + π).How do I solve this?

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Algebra 1

02/26/19

Given the following find TM?

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Algebra 1

02/26/19

please walk me through how to solve this.

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Why?

02/25/19

Mary is 4 years younger than 4 times Chris' age. If Mary's age 3 years ago was equal to what Chris' age will be in 9 years, how old is each person?

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Astronomy

02/25/19

Astronomy ch 3 pg 94

An astronaut in space is floating 10 meters away from the command module, whose mass is 6000 kg. If the astronaut's mass is 80 kg, what is the gravitational force acting on the astronaut due to the... more

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Algebra 1

02/25/19