+ Save & Exit Certify Lesson: 2.1 Frequency Distributions Question 2 of 7, Step 5 of 5 5/21 Correct Consider the following frequency table representing the scores on a test. Scores on a Test Class Frequency 50–55 14 56-61 5 62–67 9 68–73 11 74–79 6 Step 5 of 5: Determine the number of scores between 49.5 and 79.5. ​

step-by-step explanation:

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answer is 8x+24

area of vanessa's patio = length × width

given, length = (3x² + 5x + 10)

width = (x² - 3x - 1)

area of vanessa's patio = (3x² + 5x + 10)(x² - 3x - 1)

= 3x²(x² - 3x - 1) + 5x(x² - 3x - 1) + 10(x² - 3x - 1)

= 3x⁴ - 9x³ - 3x² + 5x³ - 15x² - 5x + 10x² - 30x - 10

= 3x⁴ - 4x³ - 8x² - 35x - 10

hence, expression of vanessa's patio = (3x⁴ - 4x³ - 8x² - 35x - 10)

$649.60

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6

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