05/31/18

You have 5.50L of oxygen gas at a temperature of 21.0°C. What is the volume of the gas at 35°C?
This is a chemistry question i need help with
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05/31/18

alegerbra equation
can somebody please expand 6g + 2g (3g + 7)..... my revision guide states that it is equal to.... 6g + 2g x 3g + 2g x 7 but I thought that it would equal to 6g + 2g x 3g + 6g +2g x 7... if I am... more
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05/31/18

A bal kicked 42 degrees horizontally off the ground at 25m/s. How far horizontally did the back go before it hit the ground
Please show the provess for solving the problem!!
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05/30/18

When the reactants get colder in an endothermic reaction, what has happened to the heat energy?
When the reactants get colder in an endothermic reaction, what has happened to the heat energy?
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05/30/18

a culture starts with 34 bacteria and it triples every hour write an equation for this data
 I don't know how to write the equation and my teacher is not good at explaining.
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05/30/18

If you need 4.8ml, how many days needed if using .40ml a day
Nothing else just a simple question bottle actually says 5ml we are using 40ml(.40ml) and wanted know how determine if we have enough for 12 days?
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05/30/18

Finding equations of parallel and perpendicular lines
Consider the line y=7/2x+6Find the equation of the line that is perpendicular to this line and passes through the point (-7,-4)Find the equation of the line that is parallel to this line and passes... more
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05/30/18

Writing equation in slope-intercept form
A line passes through the point (8,-7)and has a slope of -3/4Write an equation in slope-intercept form for this line.   Thank you in advance!
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05/30/18

What is the KE of a 1.00 kg hammer swinging at 20.0 m/s?
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05/30/18

The function g(x) is defined by g(x)=-2x^3 +3x^2 -5x +7
find g(2) find g‘(x) find gradient of the curve x=2   write the equation of the line tangent to g(x) where x=2 in slope intersect form
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05/30/18

Jeremy eats 6 slices of a pizza that is cut into 14 slices. What fraction of the pizza did Jeremy eat?
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05/29/18

physic question
Assume hydrogen atoms in a gas are initially in their ground state.If free electrons with kinetic energy 12.75 eV collide with these atoms, what photon wavelengths will be emitted by the... more
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05/29/18

Algebra maybe
The air pressure, P, in a bubble, varies inversely with the volume, V, of the bubble.   i) write an equation relating P, V and a, where, a, is the constant?   ii)it is known that P=3 when... more
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05/29/18

Finding Slope and y-intercept
How do I find the slope of 2y=-x+6
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05/29/18

To find a 25% decrease in an amount why do we multiply the original value by 0.75 instead of 0.25
The description for my question is basically a math question and I don't get this. It was question on my homework and I don't know if this was a trick question but I need help
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05/29/18

which of the following is a statistical question:
A. How long does it take students to get to school using bus number 245? B. How far is it from the school to the school bus stop at Main Street and 24th street? C. How many students were in... more
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05/29/18

Which process will decrease the level of CO2 in the atmosphere?
 Which process will decrease the level of CO2 in the atmosphere?growing treescutting treesburning treesincreasing the human population
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05/29/18

If 2 cannons are fired at the same time, then the first 1 is fired every 96 hours and the other is fired every 108 hours. How long after it start will it take
It is very very very very very hard
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05/29/18

how do you solve this
Ari spent $525 buying some CDs in a sale. He bought some rock CDs for $20 each and some blues CDs for $5 each. Ari bought five times as many rock CDs as blues CDs.
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05/29/18

Metallic bonding between sodium atoms is more preferrable or ionic bonding
If two sodium atoms are there with chlorine atoms then what would happen metallic bonding of two sodium atoms or ionic bonding between chlorine and sodium
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05/29/18

sec(theta)/1+tan^2(theta)
i need this so i can finish my math work that is all due by tomorrow i will repay 
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05/29/18

the graph of f(x)=e^sin(x)-2 crosses the x-axis at the point on the interval [0,1]. The slope of f(x) at this point is?
AP Calculus Help!
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05/28/18

Easy physics question, just don't understand the question!
full workings with explanation please, and thanks in advance! :) ---------- A ball is projected vertically upwards from the top of a building which is 300m high. The speed of the ball after 1s is... more
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05/28/18

variaveis separaveis
resolva as equações diferenciais propostas por variaveis separaveis dy/dx x^2/y(1+x^3)
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05/28/18

family trip train ride $5.80 per person there a four members of the family how much will the train ride cost
Justify your answer 
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