variables in algebra

1. A researcher wants to look at the effect of time on test scores, believing test scores will change over the semester from the pre-test to the post-test. What are the variables in this specific study? Identify each as an independent or dependent variable. The independent variable and dependent variable is the same in dependent […]

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Algebra mcq

Algebra multiple choice questions: 1.How much water, in cubic feet, will a cylindrical tank with a radius of 12 feet and a height of 30 feet hold (use 3.14 for pi)? The formula for volume of cylinder is pi r^2 h A. 12,482.8 B. 13564.8 C. 14128.6 D. None of these 2.In the formula V=lwh, […]

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convergent or divergent.

1.Solve the inequality x>log611. Answer x > 2 or x = 2,3,4,….. 2.Determine whether the series (-1/4)+(-1/8)+(-1/16)…is convergent or divergent. Answer: It is convergent 3.Find the 4th term of the expansion of (x-4y)^7. Answer: -2240x^4y^3 12.Use the first five terms of the exponential series of e^x and a calculator to approximate e^2.4 to the nearest […]

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Body mass index

The formula for body mass index is, I = 700W / H^2 If the weight of Francis is 176 pounds and if his height is 72 inches, then his body mass index is, I = 700(176) / 72^2 = 23.7654….. Therefore, Francis approximate body mass index is 24 (rounded to nearest whole number) To be […]

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