06/25/17

explain why 19 - x is not a correct translaion of "19 less than a number"
decide whether the following translates is expression or an equation.
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06/25/17

Simplifying
P^2+2p-15/ P^2-p-35 How do you simplify?
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06/25/17

Raising a positive proper fraction to a natural number __________________ has a result that is less than that fraction a. Sometimes b. Always c. Never
Raising a positive proper fraction to a natural number __________________ has a result that is less than that fraction a. Sometimes b. Always c. Never
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06/24/17

How much 50% gold alloy and 30% gold alloy should be combined to obtain 8 ounces of 45% gold alloy?
applying the concept
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06/24/17

An older person is 6 years older than five times the age of a younger person. The sum of their ages is 18 . Find their ages
word problems
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06/24/17

The hydrosphere is the layer of air that surrounds the earth.
The hydrosphere is the layer of air that surrounds the earth.
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06/24/17

To receive a B in a course, you must have an average of at least 80% but less than 90% on five exams...
To receive a B in a course, you must have an average of at least 80% but less than 90% on five exams. Your grades on the first four exams were 95%, 79%, 91%, and 86%. What range of grades on the... more
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06/23/17

What does an electrochemical cell do?
a. An electrochemical cell uses a spontaneous redox reaction to produce chemical energy.b. An electrochemical cell uses a spontaneous redox reaction to produce optical energy.c. An electrochemical... more
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06/23/17

finding area
I have a circumference of 28cm. I want to find the area. I know the formula for area but I'm getting stuck on the 28cm. Is that the diameter or radius? If the question was asking me to find the... more
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06/23/17

A rock is thrown horizontally from a cliff with a speed of 15 m/s. It falls 1/2 of the cliff height in the last three seconds of its fall. Find free fall time.
Also find the find the cliff height and the horizontal distance from the cliff. 
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06/23/17

what is a squre root of al 1-i
Question from complex no. and quadratic equations
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06/23/17

a bullet is fired at an angle of 30 degres below the horizontal with an initial v of 800m/s from the top of a cliff 80m high. How far will it travel horizontly?
Sorry for the word errors. It will only allow so many characters. 
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06/23/17

A car is traveling at 16 m/s. It begins to slow with an acceleration of a = (-1/2)t. How far has it traveled by the time t= 4s?
I am aware that you cannot use kinematic equations for this problem because acceleration is not constant. This is why I am confused on how to solve this problem. I know the answer is 59, but how do... more
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06/22/17

A polynomial of degree 3 that has three distinct x-intercepts and whose graph rises to the left and falls to the right
write a polynomial with the given charactistics
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06/22/17

Why are two electrodes physically separated?
Chemistry Question
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06/22/17

One year we had 2500 endangered sea turtles hatch. After one year there were only 1500. What percentage of turtles died?
I got 40% but I'm not sure
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06/22/17

Find the distance of 4th Q ?
There are given 3 source charges Q1= Q, Q2=Q and Q3= 2Q. Q3 is on top of triangle and Q1 and Q2 on bottom. The distance of q1=q2=q3= X where to place 4th Q in way electric field equals to 0 ?
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06/22/17

Your instructor assigned the class to write an essay about a famous artist. What is the first step you should take to begin this project?
A. Decide the exact number of sources you will use   B. Devise a title for your essay   C. Construct your thesis statement   D. Do some reading and prewriting about the topic to focus your view
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06/22/17

When a baseball is hit, the distance it will travel depends on its speed.
Choose the most appropriate name for the function described below.
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06/21/17

To the nearest foot, the lampost is how many feet tall?
the light from a lamp casts a shadow of a man standing 10 feet away from the lampost. The shadow is 5 feet long. The angle of elevation from the tip of the shadow to the lamp is 50 degrees.
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06/21/17

What is the mass of mercury in a barometer containing 100.0 mL mercury?
The sp gr of mercury is 13.6
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06/21/17

what is the density of indium?
a piece of idium metal weighing 17.289 g is placed into 41.1cm^3 of ethyl alcohol (d=.789 g/cm^3) in a graduated cylinder, and it sinks to the bottom. The alcohol increases to 43.4cm^3.
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06/21/17

If 3/4x+y=1, then what does x equal in terms of y?
 Algebra 2
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06/21/17

The formula for the area of circle is A=πr2. what is r equal to, in terms of A?
Algebra 2
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06/21/17

What is the whole number for 52.6666667
what is the whole number for 52.6666667
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