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Mike C.'s Resources

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0.1 (t + 0.5) + 0.2t = 0.3 (t - 0.4); 0.1t + 0.05 + 0.2t = 0.3t - 0.12; 0.3t + 0.05 = 0.3t - 0.12; 0.05 = 0.12 which is obviously not true. Hence there is no solution to this problem.

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word problem ? (answer)

So when the problem is saying that 3 out of every 8 students prefer strawberry to vanilla, it means that 3/8 of all students like strawberry better. There are 160 students in total, so that means 3/8 * 160 or 60 students like strawberry.

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0.1 (w + 0.5) + 0.2w = 0.2(w - 0.4); 0.1w + 0.05 + 0.2w = 0.2w - 0.08; 0.1w + 0.05 = -0.08; 0.1w = -0.13; w = -1.3

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I often run into people who have a hard time completing their math homework; usually, when I ask them what's going wrong, they say that they don't know where to start tackling the problem. It's not really their fault because sometimes, the same thing happens to extremely hard-working individuals; I've seen a few ambitious straight-A students take much more time on a homework problem than needed... read more

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Destiny, I'll assume that the "_>" in your question means "greater than or equal to" (it's usually written >= on a computer). 4 + 2 (-8p - 1) >= -94; -16p - 2 >= -98; -16p >= -96; p <= 6. (Remember, if you're dividing by a negative in an...

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(3 - 2i) / (1 - i) = [(3 - 2i)(1 + i)] / (1 - i)( 1 + i) = (3 + 3i - 2i - 2i2) / (1 - i2) = (5 + i) / 2

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Hello Janie. Since you didn't get the right answer by taking answers out of the bank, let's try a solution method that doesn't involve guess-and-check. 5 (x + 3) - (4x - 6) = -4; 5x + 15 - 4x + 6 = -4; x + 21 = -4; x = -25. So your not finding an answer is...

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The basic idea is to divide both numerator and denominator by the factors that they share: 18/24 = (3 * 6) / (4 * 6) = 3/4. Here, 6 is the shared factor. 7rs3/21r2s = (7 * rs * s2) / (3 * 7 * rs * r) = s2 / 3r. Here, 7rs is the shared factor. 1/4 * 24x = 24x / 4 = 6x. Here, the shared...

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See how the two points have the same x-value (-3)? That means it's a vertical line and comes in the form of x = something. Here, that something is -3. It's not possible to write vertical lines in slope-intercept form, so x = -3 would be the answer to your question.

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I found an alternative answer. We can first factor (2s - 3)/(s2 - 4) into A/(s+2) + B(s - 2). By the solution methods in your book, you should get A = 7/4 and B = 1/4. We know that F(s) = A/(s - a) means that f(t) = e-at, so what you should get for the answer is f(t) = 7/4 * e-2t...

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