02/26/17

How to find sin 1degree without using a calculator
Kayla claims that she can find an approximate value for sin 1o without using a machine to do anycomputations. Explain or show how she can do this.
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02/26/17

taking the derivative using the basic power rule (what am I doing wrong?)
I was given Suppose f(3) = 4 and f '(3) = 5. Find the derivatives of the following function. g(x) =  √f(x) So I raised it to a 1/2 power and did the power rule and got 1/4 but apparently that is... more
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02/26/17

Finding the derivative using the chain rule
I have been at this problem for and hour now, and i got 4 answers that were all wrong. I only have one attempt left on my homework, and I have no idea how to remanipulate it. At first i mistook it... more
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02/26/17

I'm the formula GPE=Mgh , which symbols represent the constants and which symbols represent the variables?
I'm stuck on this problem and don't understand what it's asking. Can someone please help?
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02/26/17

The answer is "1 second" but how do I set up and solve the problem?
"If an object is thrown upward from the ground with an initial velocity of 16 ft/sec, its height after t seconds is given by h=16t-16t2. Find the number of seconds before the object hits the ground."
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02/26/17

Find three consecutive even intergers such that the square of the sum of the first and second intergers is equal to twice the third interger
Help on solving word equation set up to solve
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02/26/17

Quadratic functions
Which of the following conditions must be true for the parabola  y=ax2+c to have exactly two x? 
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02/26/17

When would you recommend using EVM? When would you not recommend using EVM? Why or why not?
When would you recommend using EVM? When would you not recommend using EVM? Why or why not?
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02/26/17

Factorising
Factorise completely: a4-13a2+3b
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02/25/17

What is the net force action on the sofa?
While preparing to move, Jeremy pushes his couch slowly across the floor with a force of 250.0 N to the left. The force of friction opposing his motion is 295.0 N, and the sofa itself weighs 1225.0... more
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02/25/17

Physics EMF
A metal rod of length 0.50 m is used to complete a circuit.  The circuit is perpendicular a magnetic field bit B = 0.15 T into the page.  If the resistance in the circuit is 3.0 Ohms and the rod is... more
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02/24/17

Averag induced emf
A 50 loop circular coil has a radius of 0.03 m.  It is oriented so that the field lines of a magnetic field are normal to the area of the coil.  Suppose that the magnetic field is varied so that B... more
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02/24/17

An Object That Can Be Burned But Doesn't Melt
Is there a object that can be burned and DOESN'T MELT
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02/24/17

A population of 110,000 grows 3% per year for 16 years. How much will the population be after 16 years?
really don't get this question.
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02/24/17

if the temperature was between -14 degrees F and -3 degrees F, write an inequality that represents the range of temperatures, t, during that day.
if the temperature was between  -14 degrees F and  -3 degrees F, write an inequality that represents the range of temperatures, t, during that day.
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02/24/17

Algebra word problem
When we say y is directly proportional to x , we write y = kx where k is some constant. Suppose we have a spring and we stretch it a distance of x beyond its natural length. Hooke's law says that... more
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02/24/17

use Logarithmic differentiation to find the derivative of the function Y= (x^2 +2)^2 / (x^4+ 4)^4
 How do you find the derivative using logarithmic differentiation
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02/24/17

What is the weight and mass of a person falling from some height freely?
One person named john was working at a height of 10 meters from ground level unfortunately due to slip hazard/ imbalance he fell down freely from that height. so What is the weight and mass of that... more
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02/23/17

Besides the gravitational force, a 3.35-kg object is subjected to one other constant force.
Besides the gravitational force, a 3.35-kg object is subjected to one other constant force. The object starts from rest and in 1.20 s experiences a displacement of (4.15î − 3.30ĵ) m, where the... more
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02/23/17

Y=x+3 8x-7y=12
the second equation 8x-7y=12 I need to get y alone so I can then find the ordered pairs to the problem 
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02/23/17

10/4 = 8/x What is the value of x?
I get x=3.2 but can a denominator be a decimal?
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02/22/17

"Find two consecutive integers such that the sumo their squares is 365."
The final answer is "13 and 14 or -14 and -13", but how do I set the problem up and translate it into an equation that I can then solve?
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02/22/17

The larger of two consecutive integers is 7 greater than twice the smaller. Can you help me fiind the integers?
This is a story problem on odysseyware and I have no clue how to even go about figuring it out.
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02/22/17

William tried to solve x=10-2y and y-x=5. He substituted 10-2y for x in the second equation. He got y-10-2y=5 anda Found y= -15 .
By substituting y=-15 in the first equation he found x=40 but the answer did not check. . Find his error and correct the solution
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02/22/17

Algebra Factoring
I know how to do factoring with an exponent of 2 after the coefficent but i'm confused at how to do ones squared such as: 27x^3+125Thank you
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