Basic Math question and answers for May 26, 2024
- Q Change the following fraction to a percent rounded to the nearest tenth. Write your answer in percent form.87
- Q 3Joaquin takes 3-hours to take a test; Sherrie takes 14and reduce if possible.hours. Calculate the time difference in hours. Express your answer in mixed number form.8100
- Q When children start to abuse drugs, theirdrug usage usually increases as they growolder, peaking when they areA. young adultsB. middle-agedC. elderly
- Q Use the basic proportionnecessary.P100 B=to solve the following problem for the unknown quantity. Round your answer to the nearest hundredth, ifAnswer How to enter your answer (opens in new window)...
- Q Which one of the following may be detrimentalto your ability to get into college or get a job inthe future?A. travelingC. reading for funB. posting on social mediaD. exercising
- Q To buy a car you can pay $16,000 cash or put down $3000 and make 24 monthly payments of $592.55. How much would you save by paying cash(to the nearest...
- Q The 1906 San Francisco earthquake had a magnitude of 8.3 on the Richter scale. At the same time in SouthAmerica there was an eathquake with magnitude 4 that caused only...
- Q Convert the units of measure as indicated.272 oz =lb
- Q City Cabs charges a $2.75 pickup fee and $1.75 per mile traveled. Diego's fare for a cross-town cab ride is $29.00. How far did he travel in the cab?Diego traveled...
- Q Which statement about weight loss isNOT true?A. Fad diets are not a healthy way to lose weight.B. Losing weight too fast is not healthy.C. Losing weight will not decrease your...
- Q The existence of a Fixed Point is:A) Let g e C[a, b] be such that g(x) = (a, b), In addition, if g' exists on (a, b) and that a...
- Q If a truck travels 316 miles on 24 gallons of gas, how many miles per gallon does it average (to the nearest tenth)?
- Q According to a weather report, there is a 46% chance it will rain tomorrow. What is the probability that it will not rain tomorrow?The probability that it will not rain...
- Q D. Roberto is an insurance agent who sells two types of policies: a $50,000 policy and a$100,000 policy. Last month, his goal was to sell at least 57 insurance policies....
- Q A scientist conducted an experiment to measure the effect of apple cider vinegar on blood sugar levels. The scientist randomly selected 200 adults and randomly assigned them to two subject...
- Q Which of the following recursive formulas represents the same arithmeticsequence as the explicit formula an = ?2+(n-1)3?
- Q Write the indicated sum in decimal form rounded to the nearest thousandth, if necessary.27/100+ 25.1 + 1/4
- Q ProportionA clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 340 babies were born, and 272 of them were girls. Use the...
- Q Question 14-of 23 Step 1 of 1Change the following fraction to a percent. Write your answer in percent form. Round your answer to the nearest tenth of a percent, if...
- Q Use the basic proportionnecessary.100to solve the following problem for the unknown quantity. Round your answer to the nearest hundredth, ifB749 is.% of 133
- Q Which of the x-values are solutions to the following inequality?38 < xChoose all answers that apply:ABx = 25x=40x=120
- Q Solve 7 sin (5)x==4 for the four smallest positive solutions
- Q From 19,000 graphing calculators produced by a manufacturer, an inspector selects a random sample of 525 calculators and finds 6 defective calculators. Estimate the total number of defective calculators out...
- Q Change the following percent to a decimal.50%
- Q Write the following ratio as a fraction in lowest terms.28 to 21
- Q question 2 of 15, Step 1 of 1Use the basic proportionP100to solve the following problem for the unknown quantity. Round your answer to the nearest tenth, if necessary.% of 80...
- Q Express the function h(x) = 2e+6 in the form fo g. If f(x) = 2e, find the function g(x).Your answer is g(x)=
- Q Write the following rate as a unit rate.56 miles to 4 hours
- Q The first case of COVID-19 was confirmed in New York State on March 1, 2020.On March 9, Mayor Bill de Blasio announced that there were 16 confirmed cases of COVID-19...
- Q Convert the units of measure as indicated.6 lb =OZ
- Q A new living room set costs $1390. Not included in the price are the cost of delivery, which is $90, and tax, which is $95. If Julie pays $569 today,...
- Q Suppose that, in 1997, Poland produced 4.276 million bikes. The total world production that year totaled 135 million bikes. What percent of the world's total production of bikes is contributed...
- Q David is investing his money. He thinks that he should make $8 for every $100 he invests. How much does he expect to make on an investment of $700?
- Q The number of bacteria in an experiment can be represented by f(x) = 4x,where x represents the number of hours.What is x when f(x) = 64?A. x= 3; In the...
- Q Recall that Mirabelle needs to wrap the cans in her beverage taste test toconceal the manufacturers' brand names. Now you will determine how muchblue paper she will need to wrap...
- Q If the mean weight of 3 outfielders on the baseball team is 192 lb and the mean weight of the 6 other players is 223 lb, what is the mean...
- Q Use the basic proportion P/100 =A/B to solve the following problem for the unknown quantity. Round your answer to the nearest hundredth, if necessary 30% of 80 is
- Q If a car travels 408 miles on 21 gallons of gas, how many miles per gallon does it average (to the nearest tenth)?
- Q Find the unit price of each of the following items. Round your answer to the nearest tenth.AnswerHow to enter your answer (opens in new window)18 oz at $1.4132 oz at...
- Q You invest $1000 in an account at 2.5% per year simple interest. How muchwill you have in the account at the beginning of the 4th year? Round youranswer to the...
- Q Many firms use on-the-job training to teach their employees computer programming. Suppose you work in the personnel department of a firm that just finished training a group of its employees...
- Q A certain drug is used to treat asthma. In a clinical trial of the drug, 15 of 280 treated subjects experienced headaches (based on datafrom the manufacturer). The accompanying calculator...
- Q The baseball team won 6 of the 20 games they played during the season. What percent of games did they win? Round your answer to the nearest hundredth, if necessary.
- Q Over the past 6 seasons, one baseball player's batting averages were 0.262, 0.321, 0.339, 0.274, 0.278, and 0.269. A second player's batting averages were 0.297, 0.227, 0.288, 0.254, 0.267, and...
- Q Select all numbers that have an absolute value of 12.Choose all answers that apply:A -1/12B -12C 1.2D 12
- Q A medical treatment has a success rate of 0.8. Two patients will be treated with this treatment. Assuming the results are independent for the two patients, what is the probability...
- Q There are 350 eighth graders at Wilson Middle School. In the class president election, 224 students voted for Luke, 70 students voted for Alice, and 56 students voted for Chris....
- Q For the functions f(x)=?x-11 and g(x)=?11-x, find the functions f+g, f-g, fg, andThe domain off + g is {11}.(Use a comma to separa answers as needed.)What is the domain of...
- Q First find f+g, f-g, fg, and f/g Then determine the domain for each function.What is the domain of f-g?What is the domain of fg?
- Q Which of these shows the result of using the first equation to substitute for yin the second equation, then combining like terms?y= 2x2x+3y=16A. 5y=16B. 8x = 16C. 5x = 16D....
- Q Suppose an investment of $14,000 is invested at an annual rate of 7.6%, compounded continuously. What is the value of the account after 14 years? Round your answer to the...
- Q A common design requirement is that an environment must fit the range of people who fall between the 5th percentile for women and the 95th percentile for men. Indesigning an...
- Q Find the original investment in an account if the final amount of money is $9998. It was invested in an account earning 4% interest compounded weekly and the money is...
- Q Find the final amount of money in an account if $3, 700 is deposited at 7% interest compoundedquarterly (every 3 months) and the money is left for 9 years.Round answer...
- Q Use mathematical induction to prove the statement is true for every positive integer n.8+16+24+...+8n=4n(n+1)What is the first step in a mathematical induction proof?Show that So is true.Show that S? is...
- Q Select all numbers that have an absolute value of 1.8.Choose all answers that apply:A -1/8B 1.8C -1.8D 18
- Q In a medical experiment, the number of bacteria is halved every hour. What type of function represents this pattern?A. Exponential decayB. Exponential growthC. Decreasing linearD. Increasing linear
- Q The expression 5(4+v) +6v is simplified in several steps below.For each step, choose the reason that best justifies it.
- Q For f(x)=2x-5 and g(x) = x - 2, find the following functions.a. (f o g)(x); b. (g of)(x); c. (f g)(1); d. (g of)(1)a. (fog)(x) = 2x -9 (Simplify your...
- Q A car was valued at $28,000 in the year 1995. The value depreciated to $15,000 by the year 2007.A) What was the annual rate of change between 1995 and 2007?T=...
- Q Explain why the statement is incorrect.The probability of rain tomorrow is 152%.What makes the statment incorrect?A. An event needs to have more than one possible outcome.B. The probability of an...
- Q Write the following rate as a unit rate.1720 words to 40 minuteswords per minute
- Q There were 567 people at a concert when a band started playing. After eachsong, only one-third of the people stayed to hear the next song. How manypeople were left at...
- Q If the mean weight of 4 backfield members on the football team is 220 lb and the mean weight of the 7 other players is 203 lb, what is the...
- Q TechWiz Electronics makes a profit of $35 for each MP3 player sold and $18 for each DVD player sold. Last week, TechWiz sold a combined total of 141 MP3 and...
- Q A statement S, about the positive integers is given. Write statements SK and Sk+ 1, simplifying statement Sk+1 completely.S: 8+16+24+...+ 8n=4n(n+1)Write statement Sk.Sk: 8+16+24+..Write SK+1-(Do not simplify.)Sk+1: 8+16+24+...+0=0(Type your answers...
- Q Maria invested $2000 in an account that earns 4.5% interest, compoundedannually. The formula for compound interest is A(t) = P(1 + i)tHow much did Maria have in the account after...
- Q Which of the x-values are solutions to both of the following inequalities?1<x and x < 13Choose all answers that apply:A x = 0B x = 2C x = 14
- Q A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have an average of 79?73,...
- Q The function f(x) = 12,419(1.4)x represents the number of visitors to a.website x years after it was launched. Each year, the number of visitors isthe number the year before.A. 0.4...
- Q If the annual number of retail drug prescriptions (in millions) can be approximated by the least squares line y = 82.51x + 2917.93 where x = 0 corresponds to the...
- Q For f(x) = 6x and g(x)=x+5, find the following functions.a. (fog)(x); b. (gof)(x); c. (fog)(2); d. (gof)(2)a. (fog)(x) = 6x +30(Simplify your answer.)b. (gof)(x) = 6x + 5(Simplify your answer.)c....
- Q Prehistoric cave paintings were discovered in a cave in France. The paint contained 28% of the original carbon-14. Use the exponential decay model for carbon-14, A=Age -0.0001211 to estimate the...
- Q 64% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have very little confidence...
- Q Wally Chin, the owner of an ExxonMobil station, bought a used Ford pickup truck, paying $2,300 as a down payment.He still owes 75% of the selling price. What was the...
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