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MATH SOLVE
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Explaining Factored Form The trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. What is the relationship between the values of m and n? Explain.
General
2 months ago
Triangles ABC and DEF are similar. The ratio of the side lengths in triangle ABC to triangle DEF is 1:3. If the area of triangle ABC is 1 square unit, what is the area of triangle DEF?
General
2 months ago
Which of the following activities are examples of data gathering? Check all that apply. A. Surveying students about their favorite type of math problem B. Making a spreadsheet from data found in a survey C. Sampling water for contaminants D. Making a pie chart about a group's favorite activities E. Finding the mean weight of heart-disease patients in a study
General
2 months ago
Use the distance formula to find the distance between (−8, 2.5) and (0, −4.5). 1. Substitute coordinates: 2. Simplify parentheses: 3. Evaluate powers: 4. Simplify. What is the distance between (–8, 2.5) and (0, –4.5)? Round to the nearest hundredth. d ≈
General
2 months ago
you compared the two functions below. f(x) = 1.2t g(x) = 1.2t-5 What did subtracting 5 in the exponent do to the function? Check all that apply. A. It shifts the graph of f left 5 units. B. It shifts the graph of f right 5 units. C. It multiplies all the y-values by 5. D. It divides all the y-values by 5. E. It multiplies all the y-values by 1.25. F. It divides all the y-values by 1.25.
General
2 months ago
The graph of the function y=tan(x) was horizontally stretched so that its period became 10 pi. Which is the equation of the transformed function?
General
2 months ago
Write the related series for the finite sequence –7, –10, –13, . . ., –22. then find the sum.–7 + (–10) + (–13) + (–16) + (–19) + (–22) = –87 –7 + (–10) + (–13) + (–15) + (–18) + (–22) = –85 –7 + (–10) + (–13) + (–14) + (–18) + (–22) = –84 –7 + (–10) + (–13) + (–17) + (–20) + (–22) = –89
General
2 months ago
A deck of playing cards has four suits, with thirteen cards in each suit consisting of the numbers 2 through 10, a jack, a queen, a king, and an ace. The four suits are hearts, diamonds, spades, and clubs. A hand of five cards will be chosen at random.Which statements are true? Check all that apply.The total possible outcomes can be found using 52C5.The total possible outcomes can be found using 52P5.The probability of choosing two diamonds and three hearts is 0.089.The probability of choosing five spades is roughly 0.05The probability of choosing five clubs is roughly 0.0005.
General
2 months ago
based on the ordered pairs in the data below, state whether there is no correlation, a weak correlation or a strong correlation. If there is indeed correlations, determine whether the correlation is negative or positive. x: 1 2 3 4 5 6 7 8 9 y:300,293,276,270,250,249,233,221,219
General
2 months ago
The numbers of rooms for 15 homes recently sold were: 8, 8, 8, 5, 9, 8, 7, 6, 6, 7, 7, 7, 7, 9, 9. what is the sample standard deviation?
General
2 months ago
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