08/30/16

A number is more than 9 units from 3
i would like to know how to make an inequality 
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08/30/16

What is equivalent to ln(17e^2)?
What is equivalent to ln(17e^2)?   So I am really bad at reducing log and natural log expressions. I thought it might be 17^2, because natural log and e cancel but then I noticed they aren't... more
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08/30/16

Word problem
With an eccentricity of 0.25, Pluto's orbit is the most eccentric in the solar system. The length of the minor axis of its orbit is approximately 10,000,000,000 km. Find the distance between Pluto... more
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08/30/16

What is equivalent to ln(13 + e^6)?
Which of the following is equivalent to ln(13 + e^6)? 1) (13) + 62) 13 + e^63) 784) 6ln(13 + e)5) None of the above   I think it's 5 because of the parenthesis you cant simplify the inner terms.... more
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08/30/16

My question is a word problem and I have no idea where to start
Nick needs to be at school by 7:45 a.m. It takes him 15 minutes to walk to school, 5/12 hour to eat breakfast, 0.7 hour to get dressed, and 0.15 hour to shower. At what time should Nick get up to... more
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08/30/16

Why are equations of motion the most often expressed as a function of time instead of simply relating position to velocity and acceleration?
Physics Questions
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08/30/16

Can the atomic weight be used to identify some or all possible isotopes of an element?
Can the atomic weight be used to identify some or all possible isotopes of an element? Is this reliable?
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08/30/16

Write an equation for each description
1.  Eight times the difference of a number and 2 is the same as a 3 times the sum of the number of 3.    2. The sum of -7 times a number and 8 times the sum of the number and 1 is the same as the... more
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08/30/16

Trisha ran 10 km in 2.5 h. Jason ran 7.5 km in 2 h. Olga ran 9.5 km in 2 h. Who had the fastest average speed?
Algebra 1 word problem
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08/30/16

Why can the atomic number be used to identify an element but the neutron number cannot? Can the mass number be used to identify an element?
 Why can the atomic number be used to identify  an element but the neutron number cannot? Can the mass number be used to identify an element?
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08/30/16

The first stage of a rocket burns 28 s longer than the second stage. If the total burning time for both stages is 152 s, how long does each stage burn?
I need an equation to solve the problem, please help. Thank You.
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08/30/16

exponential decay to natural exponential decay equation
if P=176(0.7)t   and I have to put it in P=P0ekt  How can I find k?    Note: I know that P0=176
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08/30/16

A light bulb uses 100 watts of power. 95 watts are wasted on heat. What percent of energy is used to light the bulb?
 A light bulb uses 100 watts of power. 95 watts are wasted on heat. What percent of energy is used to light the bulb?
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08/29/16

Bea can run 1/6 mile in 2 minutes. How long should it take her to run 2 miles?
Nothing. Just answer the question, and how can I show work?
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08/29/16

What is the slope of the line whose equation has the following solutions? Give an exact number.
x=2.8y   y=-3.2 x=4.4     y=-2.6
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08/28/16

13 less than the product of 4 with the sum of a number and 1
Trying to find the mathmatical equation
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08/28/16

What takes more energy; a 100 lb. weight moving on a level plain 20 ft. versus a 100 lb. weight on a 30 % grade moving 20 ft.
A 100 pound gate moving on a level grade a distance of 20 feet. A 100 pound gate moving up a 30% slope a distance of 20 feet. Which one takes more power/energy?
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08/28/16

Matt and cara take eight hours to mow the lawn. Cara alone takes four times as long as Matt. How long does Matt take alone?
Matt and cara, working together, can mow a lawn in eight hours. Working alone, cara takes four times as long as Matt. How long does it take Matt to mow the lawn alone?
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08/28/16

How many moles are in 1.00 gram of each of the following substances?
How many moles are in 1.00 gram of each of the following substances? (a) __________Au (b)___________ NH3  
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I'm

08/28/16

A spotlight is set up on the ground with an angle of 70°. The light is 240 inches from the building. At what height does the spotlight hit the building?
intergrated math high school math
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08/28/16

How many molecules are there in 16.1 grams of acetic acid
How many molecules are there in 16.1 grams of acetic acid?
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08/27/16

A student has some $1 bills and $5 bills in his wallet. He has a total of 15 bills that are worth $47. How much of each type of bill does he have?
 I have to have two answers and I need to show my work.
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08/27/16

Story Problem
The first stage of a rocket buns 28 seconds longer than the second stage.  If the total burning time for both stages is 152 seconds, How long does each stage burn?
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08/27/16

Do 3 noncollinear points have to be coplanar?
If you have a rectangular prism and the points are the vertices, when picking noncollinear points, do they have to be on the same plane?
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08/27/16

Rate problems
can anybody tell me why my approach to  the following question in this way is wrong? Q. A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through... more
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