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At Liberty School, 168 students, or 56% of the total student body, are taking a foreign language course. How many students does Liberty School have in all?
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Please help me in Math Write two expressions (with at least two terms each) that when added together have a sum of -4n + 6.
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1.) Solve by substitution. What is the solution set?
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Michael and Abdi share some football cards between themselves. They share them in ratio Michael: Abdi of 4: 5 Abdi gets 35 cards. a) What fraction does Abdi get? b) What fraction does Michael get? c)
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I have a few math questions (without calculator) 1. lne^2 = 2. ln (square root of e) = 3.
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Barry crogran is a sales representative for a medical supply company. His 2010 sales increased by 16% over 2009 sales, s. Write an Expression for 2010 sales
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A new fitness center opened up with 24 clients. Each week they are signing up an average of 5 new members. The business owner wrote the explicit formula for this situation as being A(n) = 24 + (n - 1)
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Marrisa added 1.56 and 13.47. She got 29.07. What mistake could Marrisa have made? She forgot to move the decimal point to the left after she added. She lined up the front numbers instead of the decim
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50% of all the cakes jenny baked that week were party cakes, 1/5 were fruit cakes and the remainder were sponge. What percentage of cake were sponge cakes?
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While on a ski vacation, a group can rent pairs of skis and snowboards by the week. They get a reduced rate if they rent 7 pairs of skis for every 3 snowboards rented. The reduced ski rate is $45.50 p
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If sin(x) = 1 10 and x is in quadrant i, find the exact values of the expressions without solving for x.
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Bonnie made two trips to Sweet Frog for frozen yogurt this week. She paid $0.45 per ounce each time. She purchased 7.2 ounces the first time and 6.8 ounces the second time. Rounded to the nearest cent
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Elle placed a bucket under a leaky roof. The bucket was 2/5 full after one-half hour. What is the rate in buckets per hour
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Find the limit. use l'hˆopital's rule if appropriate. if there is a more elementary method, consider using it. if l'hˆopital's rule does not apply, explain why. lim x→∞ (1 + a x ) bx
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"a clinical trial tests a method designed to increase the probability of conceiving a girl. in the study 320 babies were born, and 288 of them were girls. use the sample data to construct a 9999
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Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = i + (x + yz)j + (xy − z )k, c is the boundary of the part of the plane 7x + 6y + z =
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Use spherical coordinates. find the volume of the solid that lies within the sphere x2 + y2 + z2 = 81, above the xy-plane, and below the cone z = x2 + y2 .
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Suppose a student has no more than t minutes to write an examination consisting of twoquestions, 1 and 2. he receives a points if he gets question 1 correct and b points if he gets question 2 correct.
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One-way anova partitions the total sum of squares into the sum of squares between and the sum of squares block.
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Prove that however one selects 55 integers 1 ≤ x1 < x2 < x3 < ... < x55 ≤ 100, there will be some two that differ by 9, some two that differ by 10, a pair that differ by 12, and a pair that differ
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Obtain a point estimate of and calculate the estimated standard error. [round your answer to 2 decimal places.] the point estimate of is
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carton has a length of 1 2/3 feet width of one and 16 feet and height of 1 1/5 feet what is the volume of the carton
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Lindsey found a new job as an insurance salesperson. She has her choice of two different copensation plans. Plan F was described to her as a $450 base weekly salary plus a 10% commission on the amount
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Convert the following using conversion factor method. show your work. round to the nearest tenth if necessary. 9000 pounds to tons= Also, 13 miles to kilometers=
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Using a graph find the Constant of Proportionality. Then explain what the points (0,0) and (6,72) represent
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What is the percent increase if your salary went from $95 to $100 per week? Round your answer to the nearest tenth, if necessary.
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According to the school survey, 12% off the students at rockwood high school speak Spanish. There are 36 students at the high school who speak Spanish. How many students were surveyed?
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Which statement best reflects the solution(s) of the equation? 1/x+1/x−3=x−2/x−3 a. There is only one solution: x = 1. The solution x = 3 is an extraneous solution. b. There are two solutions:
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12 POINTS!!! Rhonda plans to buy an $85 Father's Day present for her father, and the holiday falls on the third Sunday of June. She can afford to put it on layaway with a 20% down payment and $8 a mon
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Sylvia has a catering business. She is putting 1,120 mints into trays. Each tray holds 35 mints. How many trays does Sylvia need?
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Candace is at a coffee shop and knows she can spend no more than $52 before tax. She sees this price list in the coffee shop. Write an inequality to determine how many pounds of Dark Roast coffee, p,
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The interest rate on a car loan has decreased 21.6% over the last 10 years and is now 8.2%. What was the rate 10 years ago?
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Barbara has a goal to read 45 minutes every day. If she meets her goal, how many minutes will she have read in 360 days?
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Find the constant of variation k for the direct variation. x -1 0 2 5 f(x) 2 0 -4 -10 k = –1.5 k = –2 k = 2 k = –0.5
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Graph yhe region in the plane that represents the solution set of the following inequalitiesy-2x<03y+x<9-5y+3x<-5
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Mrs. Morton has a special reward system for her class went on his students behave well she Woods them by putting three marbles into a marble jar when the jar has 100 marbles or more the class has a pa
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Which is the following is not a way to represent the solution of the inequality 3(2x - 1) > 4(2x -3) -3
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Maria, age 28, wants to pay no more than $300 a year in life insurance. What is the face value of the largest 20-year term policy she can buy without spending more than $300 annually? a. $234,000 b. $
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Jade wants to buy a $200,000 term life insurance policy. She is 34 years old. Using the premium table, what is her annual premium for a 10 year policy? a. $1,290 b. $1,202 c. $6,010 d. $820
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A random sample of 15 Rocky Mountain Credit Union checking account balance indicated a sample mean of $1396.60 with a standard deviation of $256.0. A 95% confidence interval for the mean checking acco
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Andy ran the 100-meter dash in 12.3 seconds. Below is a table showing Andy's heart rate before, during, and after his race. What parent function best represents Andy's data?
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Quadrilateral ABCD 2004-02-04-02-00_files/i0210000.jpg quadrilateral WXYZ. If AD = 12, DC = 6, and ZY = 36, find WZ. A. 18 B. 24 C. 72 D. 10
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Solve the following: Three times the 1st number plus the 2nd number plus twice the 3rd is 5. If three times the 2nd number is subtracted from the sum of the 1st and three times the 3rd number, the res
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In a right triangle, the length of the hypotenuse is 20 inches and the length of one leg is 15 inches. What is the length of the other leg in inches? A. 5√ 7 B. 5 C. 25 D. √ 7
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Twenty-five members of the eighth grade class at Park Center Middle School are going to a museum and then to lunch. Each student must pay an entrance fee to the museum and $7.25 for lunch. The total c
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Suppose that a household's monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, HCF). When graphed, the function gives a line with
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Brand X copier has improved its copier so that it produces 24% more copies than its old model if the old model ran 351 copies per hour how many copies would the new model run
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∆ABC has side lengths of 10 units, 20 units, and 24 units. ∆XYZ is similar to ∆ABC, and the length of its longest side is 60 units. The perimeter of ∆XYZ is ? units. If the height of ∆ABC, w
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Do the following. a = 16 (a) Use six rectangles to find estimates of each type for the area under the given graph of f from x = 0 to x = 48. (i)...
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Given 1 = 123 and 8 = 7z + 11. What is the value of z, if lines a and b are parallel?
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