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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 164912: 32.)Solve each equation and check for extraneous solutions. (3sqrt(w+1=6) Click here to see answer by Mrs.moniek(1)

 Question 165813: 28.) If the length of a rectangle is 3 feet longer that the width and the diagonal is 15 feet, then what are the length and width? Click here to see answer by Mathtut(3670)

 Question 165811: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is \$8 for each football. Click here to see answer by stanbon(57361)

 Question 165905: 5.) Solve by using the quadratic formula. x^2 + 6x + 6 = 0 Click here to see answer by Alan3354(30993)

 Question 165911: 5.) If a ball is tossed into the air from a height of 6 feet with a velocity of 32 feet per second then its altitude at time t(in seconds) can be described by the function. a(t) = - 16t^2 + 32t + 6 find the altitude of the ball at 2 seconds. Click here to see answer by tutorcecilia(2152)

 Question 165908: 9.) Solve by any method. a^4 – 5a^2 + 4 = 0 Click here to see answer by tutorcecilia(2152)

 Question 165907: 8.) Solve by any method. x(x+1) = 12 Click here to see answer by Mathtut(3670)

 Question 165904: 35.) Show a complete solution to each problem Find the exact length of the side of a square whose diagonal is 3 feet. Click here to see answer by midwood_trail(310)

 Question 165903: 24.) Rationalize the denominator and simplify. sqrt 6 /( 4 sqrt 3 + sqrt 2) Click here to see answer by edjones(7569)

 Question 165910: 14.) Graph each parabola. Identify the vertex, intercepts, and the maximum or minimum y – value. f(x) = 16 – x^2 Click here to see answer by checkley77(12569)

 Question 166022: 7.) Sketch the graph of each function or relation and state the domain and range. y = {x) - 4 Click here to see answer by vleith(2825)

 Question 166061: 10.2 94) sharing cost: The members of a flying club plan to share equally the cost of \$200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by \$2000. How many members are currently in the club? Click here to see answer by gonzo(654)

 Question 166031: 10.2 94) Sharing cost: The members of a flying club plan to share equally the cost of \$200,000 airplane. The members want to find five more people to join the club so that the cost per person will decrease by \$2000. How many members are currently in the club? Click here to see answer by ankor@dixie-net.com(15656)

 Question 166033: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is \$8 for each football. This is the answer that it is showing r(q)= -150q^2 + 3000q, 14,400 Can you show me how they got this answer please. Click here to see answer by ankor@dixie-net.com(15656)

 Question 166179: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is \$8 for each football. This is the answer that it is showing r(q)= -150q^2 + 3000q, 14,400 Can you show me how they got this answer please. Click here to see answer by ankor@dixie-net.com(15656)

 Question 166178: 36.) If a manufacturer charges q dollars each for footballs, then he can sell 3000 - 150q footballs per week. Find a polynomial R(q) that represents the revenue for one week. Find the weekly revenue if the price is \$8 for each football. This is the answer that it is showing r(q)= -150q^2 + 3000q, 14,400 Can you show me how they got this answer please. Click here to see answer by Fombitz(13828)

 Question 166435: Thomas is going to make an open - box by cutting equal squares from th four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the base is to be 80 square inches, then what size should be cut from each corner? Click here to see answer by nerdybill(6962)

 Question 166492: please help me solve this problem. the area of a triangle is 13.5 meters. Find the base and height of the retangle if its height is 6 meters greaster than it's base. Use an equation and the formula area of a triangle =0.5(base)(height). Click here to see answer by nerdybill(6962)
 Question 166492: please help me solve this problem. the area of a triangle is 13.5 meters. Find the base and height of the retangle if its height is 6 meters greaster than it's base. Use an equation and the formula area of a triangle =0.5(base)(height). Click here to see answer by gonzo(654)

 Question 166491: please help me solve 1) 6x^2+24x=2x^2-36 2) 3x^2-17x+20=0 for this one i got (x-6)(3x-5) is this correct 3) x^2-36=0 Click here to see answer by stanbon(57361)

 Question 166418: 84.)Gone Fishing. Debbie traveled by boat 5 miles upstream to fish in her favorite spot. Because of the 4 - mph current, it took her 20 minutes longer to get there than to return. how fast will her boat go in still water? Click here to see answer by Alan3354(30993)

 Question 166509: a picture is 1 inch longer than it is wide. it is put into a frame one half inch wider on every side. find the area of the picture if the frame area is eight inches squared. Click here to see answer by ankor@dixie-net.com(15656)

 Question 164913: 96.) Find all real or imaginary solutions. use the method of your choice. sqrt(7x+29=x+3) Click here to see answer by Alan3354(30993)

 Question 166710: solve for W in the equation XW + Y = B / 4 show restrictions: Click here to see answer by nerdybill(6962)

 Question 166892: you invest \$400. After one year, the total of the investment is \$414.40. Use the formula A=P+Prt to find the annual simple interest rate for the investment, where A is the total of hte investment, P is the principal (amount invested), r is the annual simple interest rate, and t is the time in years. Click here to see answer by checkley77(12569)

 Question 167755: Find the area of a triangle whose base is 1.3 feet and whose height is 1.5 feet. Click here to see answer by stanbon(57361)

 Question 168459: What is 7/8 in decimal form? Click here to see answer by jim_thompson5910(28595)

 Question 168580: plot the points and the slope of the line passing through the points. (0,1) (-2,-6) Click here to see answer by checkley77(12569)
 Question 168580: plot the points and the slope of the line passing through the points. (0,1) (-2,-6) Click here to see answer by stanbon(57361)

 Question 169281: center oA suspension bridge has twin towers that are 1300 feet apart. Each tower extends 180 feet above the road surface. The cables are parabolic in shape and are suspended from the tops of the towers. The cables touch the road surface at the center of the bridge. Find the height of the cable at a point 200 feet from the f the bridge. Click here to see answer by ankor@dixie-net.com(15656)

 Question 169388: x is greater than 1 or less than -2 Click here to see answer by Mathtut(3670)
 Question 169388: x is greater than 1 or less than -2 Click here to see answer by gonzo(654)

 Question 169387: 7-3x<= 22 Click here to see answer by Mathtut(3670)

 Question 169389: 4x-2/3=>1/3 Click here to see answer by checkley77(12569)

 Question 169278: a right traingle has one vertex on thr graph y=x^2 at (x,y), ANOTHER AT THE origin, and the third on the (positive) y-axis at (0,y). Express the area A of the triangle as a function of x. Click here to see answer by Mathtut(3670)

 Question 169698: could you please solve the following question, a ball is thrown up into the air. its height h, in meters, after t seconds is h=-4.9t^2+38t+1.75. for what length of time is the ball above 50 m? and thank you, i will be waiting for the solution, and thank you again, Click here to see answer by stanbon(57361)

 Question 169283: the width of a box is 2 unites less than its length and 5 units more than its height. Write a polynomial function in x, where x equals the width, that represents the volume of the box. (note: x may need to be defined in the problem.) Click here to see answer by solver91311(16897)

 Question 166490: please help me solve. 1) (2x-3)(x-4) for an answer I got 2x^2-11x+12=0 is this correct 2) x^2+3x-28=2 3) x^2+16=-10x for an answer i got (x+2)(x+8)=0 is this one correct 4) 5x^2=6x-16x^2 Click here to see answer by chiefman(11)

 Question 167927: Could someone please explain to me how you can find the orthocenter, circumcenter, cetroid, and median of triangles, because it is on an upcomimg test and I am SOOO confused on how to draw them.!!! Click here to see answer by stanbon(57361)

 Question 167891: suppose you roll two dice. find the number of elements in the event space of rolling a sum of 4 Click here to see answer by stanbon(57361)

 Question 170516: solve 4(x+1)= 2(x-3)-(1-2x) Click here to see answer by Mathtut(3670)
 Question 170516: solve 4(x+1)= 2(x-3)-(1-2x) Click here to see answer by stanbon(57361)

 Question 170515: solve 6x-4(x+1)= 2(x-3)+2 Click here to see answer by stanbon(57361)

 Question 170629: can you please help me with this problem? thank you Hint: Group Factoring 4x^2-x-3 thanks Click here to see answer by jim_thompson5910(28595)

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