Basic Math question and answers for July 18, 2024
- Q If we assume that the conditions for correlation are met, which of the following are true? If false, explain briefly. a) A correlation of -0.98 indicates a strong, negative association....
- Q If you have $15 and you spend $8 on baseball tickets, what fraction of your money did you spend?
- Q Zoe has 8 cups of whole-wheat flour. If each loaf of her favorite bread requires 3/4 of a cup of whole-wheat flour, how many whole loaves of bread can she...
- Q If the point (2,-5) is reflected in the line y = x, then the image is:A. (-2,5)B. (-5,-2)Oc. (-5,2)D. (5,-2)
- Q Given the points (7,3) and (k, -7), for which values of k would the distance between the points be 2?/41?A. 17 or 2B. 15 or -1C. 14 or -4D. 17...
- Q If an oxygen bottle delivers 7 cubic feet of oxygen in 4 minutes at 27,000 feet and -65 degrees F. How much will the system deliver in 13 minutes?Note: this...
- Q A dilation has center (0, 0). Find the image of each point for the given scale factor. C(0, 4); D(1/2)(C)A. (0,2)B. (1/2,0)C. (1/2, 4/1)D. (4,0)
- Q Decide whether the following statement makes sense (or is clearly true) or does not make sense (or is clearly false). Explain your reasoning. If interest rates stay at 4% APR...
- Q At a local Brownsville play production, 400 tickets were sold. The ticket prices varied on the seating arrangements and cost $8, $10, or $12. The total income from ticket sales...
- Q Decibels are a measure of sound on a logarithmic scale, where the number in front of the zero represents the number of powers of 10 (can think of as the...
- Q Find the distance between the points (4, 0) and (-3, 4).A. ?17B. ?65C. 65D. 17
- Q The pressure gauge, which is reading in gauge pressure, on a cylinder with a volume of 2310 cu. in. reads 1475 psig. If the gas were transferred to a new...
- Q Country Day's scholarship fund receives a gift of $ 195000. The money is invested in stocks, bonds, and CDs. CDs pay 4.5 % interest, bonds pay 3.5 % interest, and...
- Q Select the correct answer.The Richter scale measures the magnitude, M, of an earthquake as a function of its intensity, I, and the intensity of a reference earthquake, Io.M = log...
- Q An assistant is in charge of ordering lunch for the monthly office meeting. For the first month, she orders five Falafel wraps, fifteen Turkey BLT sandwiches, and twenty hot Ham...
- Q What type of triangle has side lengths 9, 10, and ?130?A. rightB. obtuseC. acuteD. not a triangle
- Q If the length of one leg of a right triangle is 4 and the hypotenuse is ?65, what is the length of the other leg?A. 7B. ?33Oc. ?69D. ?3
- Q Our hearts beat approximately 70 times per minute. Express in scientific notation how many times the heart beats over a lifetime of 68 years (ignore leap years). Round the decimal...
- Q The number of stickers Kevin had was 1/4 more than the number of stickers John had. After Kevin gave 96 stickers to John, John had twice as many stickers as...
- Q You just drove your car 500 miles and used 60 gallons of gas. You know that the gas tank on your car holds 13 1/2 gallons of gas.Step 1 of...
- Q The height, h, in metres, of the tide in a given location on a given day at "t" hours aftermidnight can be modelled using the sinusoidal function: h(t) = 5...
- Q At Edmonds Community College freshman need to take a 100 level Math and English plus optional Philosophy course. In any quarter the college needs to make available 4 less English...
- Q Suppose you have borrowed two calculators from friends, but you do not know whether they are set to work in radians or degrees. You ask each calculator to evaluate cos3.14...
- Q Suppose you bought XYZ stock 1 year ago for $6.52 per share and sell it at $9.56. You also pay a commission of $0.15 per share on your sale. What...
- Q How much must be deposited today into the following account in order to have $50,000 in 5 years for a down payment on a house? Assume no additional deposits are...
- Q Quadrilateral ABCD is similiar to quadrilateral EFGH. The lengths of the three longest sides in quadrilateral ABCD are 60 feet, 40 feet, and 30 feet long. If the two shortest...
- Q In a hydraulic system, an input piston has an area of 18.7.0 in and an output piston with an area 90.0 in. A weight or resistance of 284 pounds is...
- Q The midpoint of a segment is (6, -6) and one endpoint is (13,-1). Find the coordinates of the otherendpoint.A. (-1,-11)B. (20, 4)C. (-1,4)D. (20, -11)
- Q If the lengths of the legs of a right triangle are 5 and 7, what is the length of the hypotenuse?A. 2?3B. 12C. ?74D. ?35
- Q The system below has the solution (z + 11, z ? 8, z) . If z = 12, find z and y.x-3=y+16z-4=x- 15y+20=z+12
- Q The admission fee at an amusement park is $1.50 for children and $4 for adults. On a certain day, 283 people entered the park, and the admission fees collected totaled...
- Q Solve the following system of equations. Record your answer as an ordered triple. Don't forget to include the parentheses in your answer. { 4y-2z=18{5x-4y+2z= -23{-x+y+5z=11(x,y,z)=
- Q Mr. Cutler makes clay bricks and clay tiles to sell at maker fairs. It takes him 10 minutes to make a brick and 20 minutes to make a tile. Each...
- Q Let x represent one number and let y represent the other number. Four times a first number decreased by a second number is 2. The first number increased by twice...
- Q The midpoint of a segment is (-6, -5) and one endpoint is (1, 3). Find the coordinates of the other endpoint.A. (8, 11)B. (-13, -13)C. (8,-13)D. (-13, 11)
- Q If the length of one leg of a right triangle is 8 and the hypotenuse is ?113, what is the length of the other leg?A. 19B. 9C.7D. ?177
- Q Suppose someone wants to accumulate $40,000 for a college fund over the next 15 years. Determine whether the following investment plans will allow the person to reach the goal. Assume...
- Q A triangle drawn on a map has sides that measure 7 cm, 14 cm, and 12 cm. The shortest of the corresponding real-life distances is 120 km. Find the longest...
- Q Sally receives a bill from the medical clinic for services totaling $350.00. A 10% discount is offered to patients who pay their bill within 60 days. How much would Sally...
- Q For the following distribution, decide whether you expect the mean, median, or mode to give the best representation of the center of the distribution, and explain why.Daily snowfall in Omaha...
- Q Give an example of the type of distribution. J-shapedWhich of the following are examples of a J-shaped distribution? Select all that apply.A. The number of children per family.B. The results...
- Q A weight-loss clinic guarantees that its new customers will lose at least 5 lb by the end of their first month of participation or their money will be refunded. If...
- Q The fifth grade class surveyed 144 people. They found that of the people have umbrellas. Of the people who have umbrellas, have black umbrellas. How many people in the survey...
- Q Compute the total and annual returns on the following investment.Fifteen years after purchasing shares in a mutual fund for $5900, the shares are sold for $11,200.The the total return is
- Q Solve and check the linear equation.3(x-4)+15=2(x+5)What is the solution? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.A. The solution set is.B....
- Q Find the midpoint of the segment between the points (17, 1) and (-2,8)A. (15/2,9/2)B. (19/2,-7/2)C. (-15,-9)D. (15,9)
- Q Compute the total and annual return on the following investment.Three years after paying $2600 for shares in a startup company, you sell the shares for $2500 (at a loss).The total...
- Q Use the properties of inequalities to solve the inequality. Write the solution set using set-builder notation.?3(x + 2) ? 5x+9{x|]Graph the solution set.
- Q Graph the solution to the following linear inequality in the coordinate plane.5x -y > -3
- Q Consider the following fractions.31/60 , 29/36Step 2 of 2: How much larger is the larger fraction? Express your answer in simplest form.
- Q The count in a bateria culture was 700 after 20 minutes and 1600 after 35 minutes. Assuming the count grows exponentially,What was the initial size of the culture?Find the doubling...
- Q Solve the given system of equations.5x + 4y - 5z = -212x - 5y + 2z = 264x - 2y + 4z = 20Select the correct choice below and fill...
- Q Use a calculator with a yX key or a A key to solve the following.The exponential function f(x)=544(1.026)X models the population of a country, f(x), in millions, x years after...
- Q Find the value of the expression below and write your answer in mixed number form. Reduce if possible.2/5 of 3 3/4
- Q A car was valued at $43,000 in the year 1991. The value depreciated to $15,000 by the year 2002.A) What was the annual rate of change between 1991 and 2002?r...
- Q The points (3, 10) and (1, 9) fall on a particular line. What is its equation in point-slope form?Use one of the specified points in your equation. Write your answer...
- Q The area of a square depends on the length of its sides. This can be written in function notation as a(s). What is the best interpretation of a(2) = 4?A....
- Q The formula A=21.2e0.0411t models the population of a US state, A, in millions, t years after 2000.a. What was the population of the state in 2000?b. When will the population...
- Q A car was valued at $35,000 in the year 1991. The value depreciated to $13,000 by the year 2006.A) What was the annual rate of change between 1991 and 2006?r=...
- Q Company XYZ closed at $47.87 per share with a P/E ratio of 14.14. Answer the following questions.a. How much were earnings per share?b. Does the stock seem overpriced, underpriced, or...
- Q The diameter of a bicycle wheel is 29 in. How many revolutions does the wheel make when the bicycle travels 200 ft? Round your answer to the nearest whole number....
- Q At age 19, someone sets up an IRA (individual retirement account) with an APR of 6%. At the end of each month he deposits $100 in the account. How much...
- Q The mass of a gas is determined as in the experiment described in Experiment 8. The mass is de- termined to be 2.01 g. The volume of the water, which...
- Q The sum of three numbers is 16. The sum of twice the first number, 3 times the second number, and 4 times the third number is 55. The difference between...
- Q A line with a slope of 4 passes through the point (-5, -3). What is its equation in point-slope form?Use the specified point in your equation. Write your answer using...
- Q An entrepreneur estimates his total profit (total revenue minus total cost) for his proposed company as p(x)=x-4x + 5x-20, where p is in hundreds of dollars and x is number...
- Q You want to purchase a new car in 4 years and expect the car to cost $84,000. Your bank offers a plan with a guaranteed APR of 6.5% if you...
- Q The 1985 explosion at a nuclear lab sent about 1000 kilograms of a radioactive element into the atmosphere. The function f(x)=1000(0.5) describes the amount, f(x), in kilograms, of a radioactive...
- Q The diameter of a bicycle wheel is 27 in. How many revolutions does the wheel make when the bicycle travels 100 ft? Round your answer to the nearest whole number....
- Q The formula S=C(1+r)' models inflation, where C=the value today, r= the annual inflation rate (in decimal form), and S = the inflated value t years from now. If the inflation...
- Q Aldo has two coupons for pants.Coupon A: $55 rebate on $87 pantsCoupon B: 60% off of $87 pantsChoose the coupon that gives the lower price.Then fill in the blank with...
- Q Consider a right triangle that contains a 90 angle. If the hypotenuse of this triangle is 34 meters and the shorter leg is 16 meters, find the longer leg of...
- Q Your goal is to create a college fund for your child. Suppose you find a fund that offers an APR of 7%. How much should you deposit monthly to accumulate...
- Q The exponential function f(x)=544(1.026)* models the population of a country, f(x), in millions, x years after 1975. Complete parts (a)-(e).a. Substitute 0 for x and, without using a calculator, find...
- Q Calculate the annual interest that you will receive on the described bond.A $500 Treasury bond with a current yield of 2.9% that is quoted at 105 points
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