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MATH SOLVE
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The sum of two numbers iş -316. One number is 94 less than the other. Find the numbers.
General
4 months ago
1. For centuries, mathematicians believed that quadratic equations, like the one below, had no solutions and were not solvable. a. Why did they believe this? Explain your answer. x^2 -10x+40=0b. Using the concept of i, complete the problem above and find the two complex solutions. c. Substitute your value into your equation to prove that your solutions found in part b are correct.
General
4 months ago
Please help! I do not understand this type of math no matter how hard I try, and I would be so glad to recieve some help with his. Thank you!Ben is making a dessert that requires 212 lb of strawberries and 112 lb of blueberries. Strawberries cost $1 less per pound than blueberries. Ben spent a total of $9.50 on the fruit. What is the price per pound of each type of fruit?
General
4 months ago
At the grocery store, three brands of raisin bran are sold. For Brand A, a 15-ounce box of raisin bran costs $3.19. For Brand B, the equation y = 0 . 18 x represents the cost, y, of x ounces of raisin bran. For Brand C, the table shows the amounts paid for different amounts of raisin bran. Which brand provides the best deal for raisin bran? Explain your reasoning. Number of Ounces Total Cost 0 0 $010 $1.6024 $3.8427 $4.32
General
4 months ago
a merchant buys a television for $125 and sells it for $75 more. what is the percent markup??
General
4 months ago
Consider each of the following relationships. Which school shows the greatest rate of change between male and female students? In school A, the ratio of male students to female students is 5:2. In school B, the relationship between the number of male students, y, and the number of female students, x, is given by the equation y = 2 x . In school C, the number of male and female students are as shown in the table. Female students Male students 120 200
General
4 months ago
How many ML of a 35% acid mixture and a 95% acid mixture should be mixed to get 120 ML of a 40% acid mixture?
General
4 months ago
4/w - 10 = 5this is 8th grade
General
4 months ago
O.9c + 1.89r = 17.01 c=18.9 - 2.1r equation answer
General
4 months ago
PLEASE HEP ME QUICK!!!!: Tom travels between the two mile markers shown and then finds his average speed in miles per hour. Select the three equations that represent this situation.
General
4 months ago
Write the equation of a line perpendicular to y=0.25x-7 and passes through the point -6,8
General
4 months ago
Given a || b , and c is not parallel to a or b,which statements must be true?Select each correct answer.m<4=m<8m<7=m<10m<8 = m<29m<2=m<7
General
4 months ago
A pair of shoes usually sells for $67. If the shoes are 30% off, and sales tax is 7%, what is the total price of the shoes including tax?
General
4 months ago
I NEED HELP PLEASE who ever can help me with this you are amazing!i know it looks like a lot but it is not :)Delaney would like to make a 5 lb nut mixture that is 60% peanuts and 40% almonds. She has several pounds ofpeanuts and several pounds of a mixture that is 20% peanuts and 80% almonds. Let p represent the number ofpounds of peanuts needed to make the new mixture, and let m represent the number of pounds of the 80% almond20% peanut mixture.(e) Identify two relationships, setup an equation for each relationship, and use those two equations to setup asystem that models this situation.(f) Use the system you found from Part A to determine which of the following is a solution to the system:a. 2 lb peanuts and 3 lb mixtureb. 2.5 lb peanuts and 2.5 lb mixturec. 4 lb peanuts and 1 lb mixtureNote: Make sure to show your work verifying if the answer is a solution to the system.
General
4 months ago
A large mixing tank currently contains 350 gallons of water, into which 10 pounds of sugar have been mixed. A tap will open, pouring 20 gallons of water per minute into the tank at the same time sugar is poured into the tank at a rate of 3 pounds per minute. Find the concentraion (pounds per gallon) of sugar in the tank after 15 minutes. Is that a greater concentration than at the beginning?
General
4 months ago
A multiple choice test has 10 questions, each of which has 4 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly? Round your answer to four decimal places.
General
4 months ago
A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way trip is 27 minutes, with a standard deviation of 3.7 minutes. Assume the distribution of trip times to be normally distributed. Complete parts (a) through (e) below.a. What is the probability that a trip will take at least ½ hour?b. If the office opens at 9:00 A.M. and he leaves his house at 8:45 A.M. daily, what percentage of the time is he late for work?c. If he leaves the house at 8:35 A.M. and coffee is served at the office from 8:50 A.M. until 9:00 A.M., what is the probability that he misses coffee?(d) Find the length of time above which we find the slowest 10% of trips.(e) Find the probability that 2 of the next 3 trips will take at least one half1/2 hour.
General
4 months ago
A manufacturer has been selling 1000 television sets a week at $500 each. A market survey indicates that for each $10 rebate offered to the buyer, the number of sets sold will increase by 100 per week. Round your answers to the nearest dollar.(a) Find the linear demand function (price as a function of units sold).(b) How large a rebate should the company offer the buyer in order to maximize its revenue?(c) If the company experiences a cost of C(x) = 76,000 + 110x, how should the manufacturer set the size of the rebate in order to maximize its profit?
General
4 months ago
Let R be the relation consisting of all pairs (x,y) such that x and y are strings of uppercase and lowercase English letters with the property that for every positive integer n, the nth characters in x and y are the same letter, either uppercase or lowercase. Show that R is an equivalence relation.
General
4 months ago
For a particular flight from Dulles to SF, an airline uses wide-body jets with a capacity of 460 passengers. It costs the airline $4,000 plus $60 per passenger to operate each flight. Through experience the airline has discovered that if a ticket price is $T, then they can expect (460−1.T) passengers to book the flight. Determine the ticket price, T, that will maximize the airline's profit.
General
4 months ago
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