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Robert C.'s Resources

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This is a polynomial with 2 terms. The minus sign in front of the 9 indicates subtraction. Everything before that minus sign is the first term and everything after that minus sign is the second term.   Each term consists of a series of things being multiplied together. When no other...

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-p+10=2(p+8) (answer)

We want to get p by itself on one side of the equal sign. We can add, subtract, multiply, and divide as long as we do it to both sides.   First, distribute the 2: -p + 10 =2(p +8) -p + 10 =2p + 16 Now add p to both sides to get rid of the p on the left. -p...

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The best way to see the slope is to put each equation in the slope/y-intercept form. To do this, solve for y. One of these equations is already in the slope y-intercept form but the other is not. The slope/y-intercept form looks like this: y=mx+b M is the slope and b is the y-intercept...

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We are given three pieces of information. The hare's speed, the tortoise's speed, and the head start that the tortoise has. The units are feet/second for speed and feet for distance. Time will then be in seconds. The principle is DISTANCE = RATE • TIME, or D = R • T The rate is...

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KCl is a neutral SALT. It is ionic and is usually called a compound, not a molecule. (Molecule refers to the smallest unit of a covalent bond containing compound. The atoms in KCl undergo ionic bonding.) Potassium and all the other group IA elementas (lithium, sodium, cesium, rubidium,...

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Stephanie is correct. I only wish to add to her answers. The +2 charge on platinum is indicated by the oxidation number in "Platinum (II) Acetate." The roman numeral II (2) indicates the oxidation state of the platinum.  There are other oxidation states possible, such as +4...

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I think problem 3 will let me show you a general technique that can be used for all of these problems. -4(2-3x)= 7-2(x-3) Let's expand everything that is in parentheses using the distributive property. On the left side of the equation, the -4 is being multiplied by everything inside those...

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What is an MP(Member of Parliament)? There are many kinds of governments in the world. Parliamentary governments are where a group of representatives vote to make law and policy for a nation. There are many variations of this kind of government. In many European democracies, the representatives...

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There are branches of mathematics where division by zero is defined as infinity. Those branches have severe limitations in solving most real world problems. Let us define division by zero and see what happens. X/0 = Y Now if we accept that any number times 0 is 0, we have problem. (5)0=0 (4)0=0 Therefore...

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I am going to spell out each property along the way. x/2 = 2 Multiply both sides by 2. The Multiplication Property of Equality allows us to multiply both sides by the same number. The Multiplication Property of Equality says if a = b, then a·c = b·c. In this case, a is x/2 and b is the 2...

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Hello Anne. Without seeing the table, I'm not sure if I will be able to understand the whole problem. Here is my best. The table probably has two columns or two rows where the numbers go. One row might have temperature (t) values and the other would have amount or mass of chemical (m) values...

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