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 Question 263229: Focus groups of 14 people are randomly selected to discuss products of the Yummy Company. It is determined that the mean number (per group) who recognize the Yummy brand name is 8.9, and the standard deviation is 0.69. Would it be unusual to randomly select 14 people and find that greater than 12 recognize the Yummy brand name? Click here to see answer by stanbon(57290)

 Question 263521: f(x)=x^2-2x-4 and graph your answer Click here to see answer by oberobic(2304)

 Question 263520: solve using quadratic formula x^2+4x-7=0? Click here to see answer by oberobic(2304)

 Question 263531: solve f(x)=x^2-2x-4 and then graph your answer? Click here to see answer by checkley77(12569)

 Question 263931: Please help. I am so lost I have to pass this final. I have a few questions. 1. Graph on a number line where x is a real number. -5 I think the graph should look like, a hollow circle on -5 with a solid line going to 5 and the circle on 5 is filled in, is this correct? 2. Solve by elimination method. 4x + 5y= 5 8x + 10y= 10 a. The solution is _____ b. There are infinitely many solutions. c. There is no solution. 3. Solve Using the multiplication principle. -6x > 1/3 The solution set is {x|x_____ ______} 4. The equation y= -1777x + 27,153 can be used to predict the number y of gun deaths in the United Steates x years after 2000, that is, x=0 corresponds to 2000, x=2 corresponds to 2002, x=6 corresponds to 2006, and so on. Predict the number of gun deaths in 2006 and 2008. In what year will the number of gun deaths be 9383? The predicted gun deaths in 2006 will be ________? The predicted gun deaths in 2008 will be ________? The predicted number of gun deaths will be 9383 in the year _____? 7. Solve using the multiplication principle. Don't forget to perform a checkl -1/6x = -9/10 This is all for now I thank you all in advance. Deborah Click here to see answer by stanbon(57290)

 Question 264137: solve t1/2+3t1/4+2=0 Click here to see answer by checkley77(12569)

 Question 264136: solve (x-6)^2=4 Click here to see answer by checkley77(12569)

 Question 264176: use the discrimint to determine whether the following equation have solutions v^2-6v-2=9 the answers to chose from are: 1.two different irrational solutions 2.exactly one rational solution 3.two different rational solutions 4.two different imaginary solutions Click here to see answer by Alan3354(30993)

 Question 264179: the cudly college football team scored 80 times last season,some seven point touchdowns and three point field goals.altogether the 80 scores accounted for 508.how many touchdowns and field goals did they score?let x represent the number of touchdowns and y represent the number of field goals. the answers to chose from are: 1.x+3y=80,7x+y=508 2.x-y=80,7x-3y=508 3.x+y=80,7x+3y=508 4.x+y=508,7x+3y=80 Click here to see answer by dabanfield(803)

 Question 264256: Veronica has a garden in the shape of a rectangle that has an area of 78 yards. The length of the garden is 1 yard more than twice the width what are the length and width of veronicas garden Click here to see answer by palanisamy(496)

 Question 264355: Please can anyone help me I am lost. 17. On three consecutive passes, a football team gains 9 yards, loses 16 yards, and gains 42 yards. What number represents the total net yardage? The total net yardage is _______yds. 18. Use the distributive property to help you solve the equation. 3(w-3)=-9 w=______ 19. Find the domain of the function. g(x)= 6/8-9x a. {x|x is a real number and x >= 8/9} that is greater than or equal too b. {x|x is a real number and x =/ 0} the = should have the / thru it. c. {x|x is a real number and x=/ 8/9} d. {x|x is a real number and x =/ 6} 21. Evaluate r+s/ 8 for r= 40 and s=16 r+s/8= _______ 22. Find the domain of the function. p(x)= x to the 2 power - 2x +7 A. {x|x is a real number and x =/0} b. {x|x is a real number and x =/7} c. {x|x is a real number} d. {x|x is a real number and x>0} 24. Solve using the multiplication principle. Dont forget to perform a check. 12x= -84 The solution is x= _______? I thank you in advance for you knowledge and generousity in helping people like me who are mathmatically challenged. Deborah Click here to see answer by JBarnum(2044)

 Question 264359: Please help me if you can. 25. solve then graph. y-1> -12 a. [------------------> -11 -9 b. <---------------) -13 -11 c. (---------------------> -11 -9 d. <-------------------] -13 -11 26. Slove then graph 9x>= 63 a.{x|x >= 7} b.{x|x <7} c.{x|x <=7} d.{x|x >7} graphs a. <----------------------------o shaded in 5 7 b. o---------------------------------> 7 not shaded in 9 c. <------------------------------------o not shaded in 5 7 d. o-------------------------------------> 7 shaded in 9 thank you Click here to see answer by JBarnum(2044)

 Question 264354: Please, any help will be appreciated. 10. Soybean meal is 20% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240lb mixture that is 7% protein? How many pounds of the soybean meal should be in the mixture? _____lbs. How many pounds of the cornmeal should be in the mixture? _______lbs. 11. Solve the compound inequality. 7> -5x + 6 or 6 <= -3x + 2 a. (-00,00) b. (-1/5, 00) c. (-00,-4/3) d. (-00, -4/3) u (-5,00) Those 00 are those little ones. 12. 80% of what number is 20? 15. Translate to an algebraic expression. The product of 32% and some number. The translation is ______? (type the percentage as a decimal. Use b to represent some number) 16. collect like terms 15x + 3y -7x -9y 15x + 3y - 7x - 9y =________ Please Please help, I thank you in advance this is a matter of life and death!!! Deborah Click here to see answer by JBarnum(2044)

 Question 264358: PLEASE HELP!! 21. Evaluate r+s/ 8 for r= 40 and s=16 r+s/8= _______ 22. Find the domain of the function. p(x)= x to the 2 power - 2x +7 A. {x|x is a real number and x =/0} b. {x|x is a real number and x =/7} c. {x|x is a real number} d. {x|x is a real number and x>0} 24. Solve using the multiplication principle. Dont forget to perform a check. 12x= -84 The solution is x= _______? Thank you Deborah Click here to see answer by JBarnum(2044)

 Question 264357: someone help me. 17. On three consecutive passes, a football team gains 9 yards, loses 16 yards, and gains 42 yards. What number represents the total net yardage? The total net yardage is _______yds. 18. Use the distributive property to help you solve the equation. 3(w-3)=-9 w=______ 19. Find the domain of the function. g(x)= 6/8-9x Thank you Deborah Click here to see answer by JBarnum(2044)

 Question 264356: Please someone help me I am so lost. 17. On three consecutive passes, a football team gains 9 yards, loses 16 yards, and gains 42 yards. What number represents the total net yardage? The total net yardage is _______yds. 18. Use the distributive property to help you solve the equation. 3(w-3)=-9 w=______ 19. Find the domain of the function. g(x)= 6/8-9x a. {x|x is a real number and x >= 8/9} that is greater than or equal too b. {x|x is a real number and x =/ 0} the = should have the / thru it. c. {x|x is a real number and x=/ 8/9} d. {x|x is a real number and x =/ 6} 21. Evaluate r+s/ 8 for r= 40 and s=16 r+s/8= _______ 22. Find the domain of the function. p(x)= x to the 2 power - 2x +7 A. {x|x is a real number and x =/0} b. {x|x is a real number and x =/7} c. {x|x is a real number} d. {x|x is a real number and x>0} I thank you in advance for you help. Deborah Click here to see answer by JBarnum(2044)

 Question 264360: please help me 27. Solve -15<=3x-4<= -3 The solution is {x|____<=x<=__________ (type and integar or a fraction) 28. Find the slope and the y-intercept. f(x)= -4x-5 The slope is __________ The y-intercept is (0,___) 29. Solve for the indicated letter a=7b,for b The solution is b= ______ 31. Use < or > to make the statement true. -12 ___15 Thank you bunches in advance. You are saving my life. Click here to see answer by JBarnum(2044)

 Question 264522: how to find the area of each trapeziod? Click here to see answer by CharlesG2(828)

 Question 265255: c^2 + 9c + 14 = 0 help me solve Click here to see answer by jim_thompson5910(28536)

 Question 265447: find the slope y=x^2 y=1 Click here to see answer by Alan3354(30993)

 Question 265545: Find the equation of the line that contains the given point and has the given slope. Let y be the dependent variable and let x be the independent variable. Point (1, 1), m = 4/5 Click here to see answer by dabanfield(803)

 Question 265841: a model of an airplane is 11 in in length. the actual length of the airplane is 209 feet. what is the scale used to build the model? Click here to see answer by asuar010(324)
 Question 265841: a model of an airplane is 11 in in length. the actual length of the airplane is 209 feet. what is the scale used to build the model? Click here to see answer by Alan3354(30993)

 Question 266018: a stone falls from a ledge and takes 16 seconds to hit the ground. The stone has an original velocity of 0 m/s. How tall is the ledge? Click here to see answer by Alan3354(30993)

 Question 266029: the ability of a material to transfer heat or electric current is called? Click here to see answer by Alan3354(30993)

 Question 266083: The ratio of output power to input power, in percent, is called A. conductivity. C. work. B. efficiency. D. horsepower. Click here to see answer by Alan3354(30993)

 Question 266060: If the speed of an object changes from 121 m/s to 98 m/s during a time interval of 12 s, what is the acceleration of the object? A. -276 m/s2 C. -18.25 m/s2 B. -1.92 m/s2 D. -11 m/s2 Click here to see answer by josmiceli(9668)

 Question 266082: If a stone falls past a bird on a ledge moving at 4 m/s, how fast will the stone be moving just before it hits the ground below 9 seconds later? A. 92.2 m/s C. 352.8 m/s B. 48.2 m/s D. 36 m/s Click here to see answer by Alan3354(30993)

 Question 266081: In a practical machine, the power output is ___small___ the power input. A. smaller than C. equal to B. larger than D. multiplied by Click here to see answer by Alan3354(30993)

 Question 266084: An object with a mass of 21 kilograms is lifted through a distance of 7 meters. How much work is done? A. 147 J C. 1,440.6 J B. 29.4 J D. 823.2 J Click here to see answer by Alan3354(30993)

 Question 266085: A car with a mass of 2,000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve has a radius of 80 meters. What is the centripetal force on the car? A. 625 N C. 15,625 N B. 703 N D. 20,250 N Click here to see answer by Alan3354(30993)

 Question 266159: According to Ptolemy’s model of the movement of celestial bodies, A. the earth rotates around the sun. B. the sun is the center of the universe. C. the earth rotates around the moon. D. planets orbit in circular paths around the earth. Click here to see answer by Alan3354(30993)

 Question 266160: A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centripetal force on the car is 6,000 newtons. What is the radius of the curve? A. 160 meters C. 32 meters B. 80 meters D. 16 meters Click here to see answer by Alan3354(30993)

 Question 266162: Oil flows upward in the wick of a lantern because of the liquid property called A. viscosity. C. meniscusity. B. capillarity. D. density Click here to see answer by Alan3354(30993)
 Question 266162: Oil flows upward in the wick of a lantern because of the liquid property called A. viscosity. C. meniscusity. B. capillarity. D. density Click here to see answer by rfer(12655)

 Question 266158: If a gas has a gage pressure of 206 kPa, its absolute pressure is approximately A. 2,060 kPa. C. 106 kPa. B. 306 kPa. D. 20.6 kPa. Click here to see answer by Alan3354(30993)

 Question 266163: A car travels from Boston to Hartford in 4 hours. The two cities are 240 kilometers apart. What was the average speed of the car during the trip? A. 4 km/hour C. 60 km/hour B. 36 km/hour D. 960 km/hour Click here to see answer by rfer(12655)

 Question 266154: A machine has an efficiency of 91%. If the energy supplied to the machine is 4,000 watts, what is the amount being used for work? A. 4,091 watts C. 360 watts B. 43.96 watts D. 3,640 watts Click here to see answer by Alan3354(30993)

 Question 266164: Which of the following is the term used to describe a body’s resistance to a change in motion? A. Inertia C. Gravity B. Acceleration D. Mass Click here to see answer by Alan3354(30993)
 Question 266164: Which of the following is the term used to describe a body’s resistance to a change in motion? A. Inertia C. Gravity B. Acceleration D. Mass Click here to see answer by rfer(12655)

 Question 266153: How much time should be allowed for a 392-km car trip if the car will be traveling at 120 km/h? A. 5.12 hours C. 2.72 hours B. 3.27 hours D. 0.31 hours Click here to see answer by rfer(12655)

 Question 266161: What force is required to accelerate a body with a mass of 18 kilograms at a rate of 36 m/s2? A. 2 N C. 648 N B. 54 N D. 6,350 N Click here to see answer by palanisamy(496)

 Question 266152: If a small-diameter open glass tube is partially immersed in a vessel containing mercury, the surface of the mercury inside the tube will be A. lower than the mercury in the vessel, and shaped like the outside of an umbrella. B. higher than the mercury in the vessel, and shaped like the outside of an umbrella. C. lower than the mercury in the vessel, and shaped like the inside of a bowl. D. higher than the mercury in the vessel, and shaped like the inside of a bowl. Click here to see answer by Alan3354(30993)

 Question 266385: find the line of symmetry f(x)=-(x+4)^2+9 Click here to see answer by checkley77(12569)

 Question 266384: apply quadratic formula 5x^2-3x-8=0? Click here to see answer by checkley77(12569)

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