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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 473542: What is the solution set of the system of equations below? {2x+5y=8 {6x+4y=-20 Click here to see answer by jorel1380(2518)

 Question 473541: h(x) = 1/x-3 +1 (Graphs of Rational Functions) Click here to see answer by ccs2011(207)

 Question 472341: Short Answer. The length of the side of a rectangular desk is given by 3x - 2y cm. The length of the front is given by 3x + 2y cm. What is an algebraic expression for the area of the top of the rectangular desk? Include correct units as part of your answer Click here to see answer by richard1234(5390)

 Question 473420: A survey of flower gardeners showed the following: 45 grew roses 7 grew both roses and tulips 4 grew all three types 16 grew tulips 5 grew both orchids and tulips 9 grew none of these three 13 grew orchids 10 grew both roses and orchids Create a Venn diagram to reflect the above data, label your diagram clearly and Use your diagram to answer the following questions here. (a) How many grew only roses? (b) How many grew both roses and tulips, but not orchids? (c) How many grew only tulips? (d) How many grew none of these three or only orchids? (e) How many flower gardeners were surveyed? Click here to see answer by Edwin McCravy(8909)

 Question 473661: 18 workers do a job in 40 days, if 6 workers were added from the beginning of the job , how many days it will need to finish that job? Click here to see answer by stanbon(57361)

 Question 473668: Find the largest power of 6 which divides 10^33 6^23 9^24 Click here to see answer by Alan3354(30993)

 Question 473685: If a/b=6/7 and a/c=2/5,what is the value of 3b+c in terms of a? (A)12a (B)9a (C)8a (D)6a (E)4a Thank you so much! Click here to see answer by stanbon(57361)
 Question 473685: If a/b=6/7 and a/c=2/5,what is the value of 3b+c in terms of a? (A)12a (B)9a (C)8a (D)6a (E)4a Thank you so much! Click here to see answer by Alan3354(30993)

 Question 473683: if p+q=4 and p^2+q^2=7,then the value of p/q is Click here to see answer by stanbon(57361)

 Question 473709: If we roll 4 dice once, what is the chance the sum will be 12? Click here to see answer by stanbon(57361)
 Question 473709: If we roll 4 dice once, what is the chance the sum will be 12? Click here to see answer by Edwin McCravy(8909)

 Question 473716: Essay: Show all work. The area of a rectangular swimming pool is given by 5x^2 + 31x + 6 ft^2 . One side length of the pool is given by 5x + 1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of your answer. Click here to see answer by jorel1380(2518)

 Question 473717: Essay: Show all work. Find the quotient: 9a^2 – 25b^2/3a – 5b Click here to see answer by jorel1380(2518)

 Question 473675: If 5x+y=19 and x-3y=7,then x+y= (A)-4 (B)-1 (C)3 (D)4 (E)It cannot be determined from the information given. Thank you so much! Click here to see answer by Theo(3464)

 Question 473678: If 1/x+1/y=1/4 and 1/x-1/y=3/4,then x= (A)1/4 (B)1/2 (C)1 (D)2 (E)4 Thank you so much! Click here to see answer by Theo(3464)
 Question 473678: If 1/x+1/y=1/4 and 1/x-1/y=3/4,then x= (A)1/4 (B)1/2 (C)1 (D)2 (E)4 Thank you so much! Click here to see answer by MathTherapy(1425)

 Question 473681: If and ,what is the value of ? (A) (B) (C)4 (D)8 (E)16 Thank you so much! Click here to see answer by Edwin McCravy(8909)

 Question 473774: What is the jeweler's cost of a bracelet if the selling price is \$4500 after a markup of 100 percent. Click here to see answer by Edwin McCravy(8909)

 Question 473902: A store owner purchased 20 halogen light bulbs and 30 fluorescent light bulbs for a total cost of \$630. A second purchase, at the same prices, included 30 halogen bulbs and 10 fluorescent bulbs for a total cost of \$560. Find the cost of a halogen bulb and a fluorescent bulb. Click here to see answer by jorel1380(2518)

 Question 473720: Essay: Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 5y inches, the other side should be x^2 – 5 5xy – 4y^2 inches. Write an algebraic expression for the area of such a whiteboard, simplify it, and include correct units with your solution. Click here to see answer by richard1234(5390)

 Question 473965: Find an equivalent expression without parentheses for -(c+58) Click here to see answer by Tatiana_Stebko(1326)

 Question 474019: Micheal had a triangle with angle 30cm,12.5 cm and 32.5 cm. using pythagorean theorem Is it a right angle triangle explain Click here to see answer by stanbon(57361)

 Question 473995: The difference between two positive number is 72 and one of them is divided by the other, the quotient is 4.Find those numbers. Option: a) 22&94 b) 24&96 c) 20&92 d) 30&102 Click here to see answer by stanbon(57361)

 Question 474206: Factor. Remember to use the largest common factor and to check by multiplying. Factor out a negative factor if the first coefficient is negative. 10x4 − 30x3 − 50x – 20 Click here to see answer by stanbon(57361)

 Question 474209: Factor completely. Remember to look first for a common factor. If a polynomial is prime, state this. 6p^2 − 6q^2 Click here to see answer by stanbon(57361)
 Question 474209: Factor completely. Remember to look first for a common factor. If a polynomial is prime, state this. 6p^2 − 6q^2 Click here to see answer by solver91311(16897)

 Question 474207: Factor completely. If a polynomial is prime, state this. 6x^2 + 19x + 10 Click here to see answer by stanbon(57361)
 Question 474207: Factor completely. If a polynomial is prime, state this. 6x^2 + 19x + 10 Click here to see answer by solver91311(16897)

 Question 474265: This a SAT comparison question.Thank you so much! Column A: The sum of three different prime numbers if each number is less than 10. Column B: The sum of three different positive even integers if each integer is less than 10. (A)if the quantity in Column A is greater (B)if the quantity in Column B is greater (C)if the two quantities are equal (D)if the relationship cannot be determined from the information given. Click here to see answer by stanbon(57361)

 Question 474331: How do you work the problem 16 to the 3/4 power Click here to see answer by stanbon(57361)

 Question 475016: Find a polynomial, step by step, having real coefficients, with the degree and zeroes indicated: degree 3, x = -5, x = -3i. The lead coefficient is 1. Click here to see answer by ewatrrr(10682)

 Question 475118: can someone help me? four fifths of the sum - 20 and 5 Click here to see answer by Alan3354(30993)

 Question 475122: can someone help me plss? 12 lesss than the product of - 3 and - 6 Click here to see answer by Alan3354(30993)

 Question 475124: can someone help me plss? write a mathematical expression for each phrase and simplify the expression the difference between two-thirds of nine and five Click here to see answer by Edwin McCravy(8909)

 Question 475127: can someone help me plss? write a mathematical expression for each phrase and simplify the expression the sum of one half and reciprocal of two-thirds Click here to see answer by Alan3354(30993)

 Question 475125: can someone help me plss? write a mathematical expression for each phrase and simplify the expression the sum of eight and quotient of ten and five Click here to see answer by Alan3354(30993)

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