04/09/15

Chemistry help
022 (part 1 of 2) 10.0 pointsThe double-replacement reaction between silvernitrate and sodium bromide produces silverbromide, a component of photographicfilm. If 6 mol of silver nitrate reacts,... more
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04/08/15

Values of C?
Consider the function f(x) = 4 x^3 - 4 x on the interval [ -4 , 4 ].   Find the average or mean slope of the function on this interval.    By the Mean Value Theorem, we know there exists at... more
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04/08/15

The sum of 2 numbers is 80. One fifth of one of them plus one quarter of the others is 17. Find the numbers.
I need to find the value of both numbers using only one algebraic variable. 
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04/08/15

Radicals in fractions
I hope it is clear, fraction with radicals to multiply, calculate:   √2 ___ √7*√14
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04/07/15

I have 1750000000000 spheres that are 120 nanometers in diameter. How much space would they occupy in cubic inches?
Volume of spheres 
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04/07/15

(aSinA-bCosA)/(aSinA+bCosA)
Given that, CotA = b/a
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04/07/15

Find the sum of the first five terms of the geometric series in witch
a2 is -12 and a5 is 768
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04/07/15

Enter only the sum evaluate
S7for 5+10+20+40+....
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04/07/15

River, triangle
The angles of depression To the near and far banks of a river measure 49 degrees and 11 degrees respectively. If the observer's eyes are 5ft above the ground, how wide is the river? 
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04/06/15

cos(theta) = .12 list six specific solutions
need help solving for theta and also finding six solutions for the equation. k is the interger
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04/06/15

If |a-b| = 5 and |a-c| = 3, which of the following could be the value of |b-c|?
I. 2 II. 4 III. 8   which combination and why?
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04/06/15

If j and k are integers, j>k, and j^2 + k^2= 25, what is the least possible value of j?
how do you get to the answer, which is -3?
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04/06/15

How many cords of wood could fit in a room that is 4 yards long,4 yards wide, and 2 yards high?
Use the fact that 1 cord=128ft^3 and 1yd^3 =27ft^3
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04/04/15

calculate the number of carbon-12 atoms in 20.0 g of carbon-12
I have to solve this question and I have no clue how to slove it can someone please help me. I need to have details to solve it thank you.
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04/04/15

When graphing a linear inequality, how do you know which area of the inequality to shade? Also, how do you know whether the line is solid or dashed?
 When graphing a linear inequality, how do you know which area of the inequality to shade? Also, how do you know whether the line is solid or dashed?
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04/03/15

describe and correct the error
(3x-2)(2x-3) =3x(2x-3)-2(2x-3) =6x2-13x-6
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04/03/15

completely factor the following expressions
5c2- 24cd-5d2
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04/03/15

what is the missing number in the sequence below
16, 6, 68, 88, ?, 98
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04/02/15

If you roll 2 dice and the you have a 1/9 chance of rolling a 5 and a 1/6 chance of rolling doubles then what is the chance of rolling either a 5 or doubles
Find the probability of rolling a five or doubles on 2 six sided dice is the probability of rolling five is 1/9 and the chance of rollinh doubles is 1/6
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04/01/15

This is a word problem that I need help solving
Juan makes two types of wood clocks to sell at local stores. It takes him 2 hours to assemble a pine clock, which requires 1 ounce of varnish. It also takes 2 hours to assemble an oak clock, which... more
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04/01/15

to paint a building that is 100'x20' on 2 sides and 25'x20' on 2 sides. One gallon of paint covers 333 square feet. How much paint?
Please show steps .
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04/01/15

The question is in the description. Thank u so much lovese?
The distance on a map between the two cities Monona and Fitchburg is 3.5 inches If the two cities are actually 875 miles apart in real life what is the constant of proportionality of the map scale?
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04/01/15

Different type of bread
The chart below shows the different types of breads and sandwich fillings that Jack can choose from to make his lunch   Breads: Rye, roll, bagel, wheat Sandwich filling: cream cheese, turkey,... more
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04/01/15

Number cards
The number cards shown below are placed inside of a box.   1,2,2,5,6,7,8,8,8,10   One card will be removed at a time and not replaced    A) what is the probability the first two cards removed... more
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04/01/15

How many moles of KF are contained in 347 g of water in a 0.175M KF solution?
How many moles of KF are contained in 347 g of water in a 0.175M KF solution?  1.65 x 10-2 mol KF 3.22 x 10-2 mol KF 6.07 x 10-2 mol KF 1.98 x 10-2 mol KF 5.04 x 10-2 mol KF
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