10/29/17

f(x)=2sqrtX then f'(4) =
f(x)=2sqrtX then f'(4) =
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10/29/17

Suppose an initial population of 28 million people increases at a continuous percent rate of 1.8 % per year since the year 2000.
NEED ANSWERS FOR a-c   a.) Determine the function f that give the population (in millions) in terms of the number of years t since 2000.b.) Determine the population in the year 2019.c.) What is... more
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10/29/17

What was the magnitude of the net gravitational force (in N) on Apollo 11 (mass 3.01 ✕ 104 kg) when it was halfway in its journey between Earth and the Moon?
Take the distance between Earth and the Moon as 3.84 ✕ 105 km. Consider that the shuttle is moving in the direction from Earth to the Moon.
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10/29/17

Rotational Dynamics with sphere?
A uniform solid disk rolls without slipping down a 15.0° inclined plane. What is the acceleration of the disk's center of mass?The moment of inertia of a uniform solid disk about an axis that... more
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10/29/17

A person weighing 170 lb burns 8.6 calories per minute while mowing a lawn. How many calories would be burned in 3 hr of mowing?
How many calories would be burned in 3 hr of mowing?
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10/29/17

Find the answers
Bullet wait is 0.05 kg penetrates into a block of food of mass 2 kg velocity of 150 M per second hand gets embedded in the block of wood if the block of wood was initially at rest calculate the... more
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10/28/17

Find the value
i24+i-26
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10/28/17

Tickets sold between adults and students
640 tickets sold. There were 60 fewer student tickets than adult ticket. How many adult tickets were sol? 
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10/28/17

Marie has 24 coins in half-dollars and dimes. Their total value is $3.60. How many coins of each type are there?
I need help with this algebra word problem. Please show your work, so that I understand your thinking and how you solved it.
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10/28/17

A bullet was fired with a 10 m/s horizontal velocity and a 29.4 m/s vertical velocity. The total time of the bullet's flight was 6 secs.
What was the maximum height and maximum range of the bullet? I got the answers of Δy=44.1 m And Δx= 60.0 m
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10/28/17

A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by th
A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by the quadratic function h left... more
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10/28/17

A 10kg sample of caesium-137 has half life of 30 years
a) What is the half life of a 5kg sample of it?
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10/28/17

Knowing the total distance traveled, and angle of launch, how would you find the velocity?
The total distance traveled by a ball launched at an angle of 15 degrees is approximately 1.38 meters. Not counting air friction, and the final velocity being zero, how would you find the velocity?
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10/27/17

Which of the following describes the graphs y = 3x and y = −3x correctly?
A. These graphs are similar because they have the same y-intercept. B. These graphs are similar because they both have positive slopes. C. These graphs are similar because they both have negative... more
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10/27/17

what is the speed of an object that travels 2 miles in 15 seconds?
Simple math problem.
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10/27/17

is line (1,0),(7,4) parallel to line (7,0), (3,6)
I am trying to find out a question that is on my geometry assignment.
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10/27/17

A bacteria culture contains 1300 bacteria initially and doubles every hour. (a) Find a function N that models the number of bacteria after t hours. N(t) =
What is the number of bacteria after 24 hours?
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10/27/17

How would I solve a problem of this type?
line parallel to y = 1/2x - 6 and whose x intercept is -4
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Set

10/27/17

Which of the following sets are equal
A={O L W D } B={FOLLOW} B={WOLF} C={FLOW}
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10/27/17

i want to simplify 5x-1+x+10
what are the procedures in simplifying 5x-1+x+10
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10/27/17

2300 students out of 4500 what is the acceptance rate
A local university accepted 2300 students out of 4500 applicants. What was the acceptance rate, expressed as a percent?
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10/27/17

Jen deposited $3900 in a savings account. How much will she have in her account in 3 years if her account is compounded annually at a 4% interest rate?
I need the actual Equation 
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10/26/17

Consider the quadratic function w(x)=-3x^2-15x+49. What is the vertex of this parabola at the point?
Thank you!!!
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10/26/17

What number multiplied by itself is equal to the product of 16 and 144?
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10/26/17

Differential Equations - Fundamental Set of Solutions
Find the fundamental set of solutions for the given differential equation L[y]=y′′−9y′+20y=0 and initial point t0=0 that also specifies y1(t0)=1, y′1(t0)=0, y2(t0)=0 and y′2(t0)=1.
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