Mathematics, 13.07.2019 18:30 ozheng24112
Riley makes a mistake in step 2 while doing her homework. what is the mistake? x/x^2-5x+6 + 3/x+3 step 1: x/(x-2)(x-3) + 3/x+3 step 2: x/(x-2)(x+3) + 3(x-2)/(x-2)(x+3) step 3: x+3x-6/(x-2)(x+3) step 4: 4x-6/(x-2)(x+3) a. she added the two fractions incorrectly. b. she used the wrong common denominator. c. she did not distribute the negative correctly. d. she did not multiply the first fraction by a factor.
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Mathematics, 21.06.2019 18:50
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
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Mathematics, 21.06.2019 23:00
I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )
Answers: 1
Mathematics, 21.06.2019 23:40
Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me
Answers: 1
Riley makes a mistake in step 2 while doing her homework. what is the mistake? x/x^2-5x+6 + 3/x+3...
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