Which step is the first incorrect step in the solution shown below?
Solve: 7(x + 1) = 8x + 14
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Mathematics, 17.12.2020 21:10, llama1314
Which step is the first incorrect step in the solution shown below?
Solve: 7(x + 1) = 8x + 14
Step 1: 7x + 7 = 8x + 14
Step 2: -x + 7 = 14
Step 3: -x = 21
Step 4: x = -21
A. step 1
B. step 2
C. step 3
D. step 4
Answers: 1
Mathematics, 21.06.2019 16:00, isabellemaine
Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v
Answers: 2
Mathematics, 21.06.2019 18:40, calebhoover03
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
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