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A farmer plants corn and wheat on a 180-acre farm. The farmer wants to plant three times as many acres of corn as wheat. Write a system of linear equations that represents this situation. Use x to rep
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Recall that two angles are complemetray if the sum of their mesure is 90°. Find the mesures of two complementary angles id one angle is 8 times the other
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A chemical company makes two brands of antifreeze. The first brand is 30% pure antifreeze, and the second brand is 55% pure antifreeze. In order to obtain 150 gallons of a mixture that contains 45
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For a chemistry lab, you used 2 ounces of calcium sulfate, 2.5 pounds of copper, and 1/4 pound of a nickel. What is the combined weight of your materials? ____pounds ____ounces
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The line with equation y=kx intersects the circle with equation x^2-10x+y^2-12y+57=0 at two distinct points
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Noah wants to display his 72 collectors flags he is going to put 6 flags in each row of flags will he have in his display?
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A biologist is studying a certain type of algae. She starts with only 1 algae bloom and observes that the number of algae blooms triples every hour. Which equation can be used to find the number of ho
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If the ratio of men to women in a room is 12:17, what are the odds of women being chosen if a person in the room is chosen at random?
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Find the error in the work below. Then show the correct calculation 8/12 x 6 = 8 x 1/12 x 6 = 8 x 1/72 = 8/72 = 1/9
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Last year Terry earned 19,436. this year Terry got a raise that increased her income to 23,457 how much more money did Terry make this year? if Terry get a the same raise again next year what will her
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If the ratio of the number of states of United States using the common core standards to those not using it is 9:10, how many states are not using these standards?
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What could be the ratio of the length of the longer leg in a 30-60-90 triangle to the length of its hypotnuse
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If C(x) = 16000 + 600x − 1.2x2 + 0.004x3 is the cost function and p(x) = 3000 − 6x is the demand function, find the production level that will maximize profit. (Hint: If the profit is maximized, t
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Wendy is researching the climate in four cities. Each location was picked for its specific land elevation. Before conducting her research, she wants to verify that she plotted land elevations of the f
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Can somebody please help me with this problem:Mark has 312 books his bookcases.He has 11 times as many fiction books as nonfiction books.How many fiction books does Mark have???
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A customer placed an order with a bakery for muffins the baker has completed 37.5% of the order after baking 81 muffins how many muffins did the customer order
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The local high school held a fundraiser for the new gym. The school had expected to raise $15,000. However, they had overwhelming support and collected $27,000. What percent of the expected amount was
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You are on a low fat diet. Which of the following sandwiches would be the best choice for your lunch? tuna mayonnaise 10.3 g of fat cheese 10 g of fat chicken salad 9.74 g of fat egg salad 9.8 g of fa
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Janet can do a job in 3 hours while Garry can do the same job in 2 hours. If Janet works for an hour before Garry helps her, how long will it take them to finish the job together?
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Please help! Correct answer will get brainliest! How many gallons of a 21% acid solution and a 28% acid solution need to be mixed to make 7 gallons of a 25% acid solution???
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A used appliance store estimates that the value of an oven-range combination decreases by about 10% in the first year of use. If the original price of a one-year-old oven-range combination was $1,100,
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Allison spent a total of 16.20 for lunch at burrito de lite, including tax and tip. She paid 8 percent sales tax on her purchase and then left the waiter a tip equivalent to 20 percent of her total bi
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If Machine A makes a yo-yo every five minutes and Machine B takes ten minutes to make a yo-yo, how many hours would it take them working together to make 20yo−yos?
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There is a hot chocolate machine in the student center at a local university that dispenses hot chocolate into 18 cups. The machine has been proven to be normally distributed with a mean amount of hot
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Find the unit tangent vector (t) and the curvature (t) for the given parameterized curve. (give exact answers.)
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Makers of generic drugs must show that they do not differ significantly from the "reference" drugsthey imitate. one aspect in which drugs might differ is their extent of absorption in the blood.the da
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A baker has 20 pounds of sugar.he uses 3/4 of sugar to bake muffins.how many sugar does he have left
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The force of an object is equal to its mass time is deceleration the Supreme formula for calculating force is f equals ma based on this information which of the following equation would be used to cal
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A 15 foot building casts a 9 foot shadow. How tall is the building if it casts a 30 foot shadow at the same time?
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Decide whether the answer is "yes", "no", or "unknown since it would decide p versus np". give a brief explanation. (a) define the decision version of the interval scheduling problem as deciding, for
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Example execution: how many times should the dice be rolled? 15 roll statistics for single die object die one: 5 die one: 6 die one: 5 die one: 2 die one: 5 die one: 5 die one: 4 die one: 6 die one: 6
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A 15 buildings casts a 9 foot shadow. how tall is the building that casts a 30 foot shadow at the same time?
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MATH399 Statistics—Lab Week 2Question 1 is worth 5 points and each question after that is worth 4.5 points, for a total of 50 points for the lab. Name:_______________________ Statistical Concepts:
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MATH 399N Statistics for Decision MakingWeek 6 I Lab Name: Statistical Concepts:· Data Simulation· Confidence Intervals· Normal Probabilities Short Answer Writing Assig
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For which Of the values of P and Q does the following equation have infinitely many solutions Pz+q=46z+23
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In the human body, all body systems work to maintain homeostasis. One system stands out as a leader, as it works with all other body systems. That is the ___________ system. A) circulatory B) endocrin
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If equal amounts of a 40% alcohol solution and a 50% alcohol solution are mixed. What percentage of the mixture is alcohol? Explain.
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How many gallons of a 23% acid solution and a 34% acid solution need to be mixed to make 11 gallons of a thirty percent acid solution?
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You pick a number between 2 and 6 at random (each with probability 1/5) and your friend picks a number between 3 and 8 at random (each with probability 1/6). what is the expected value of the sum of s
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Question :1 Which of these variables could be investigated ONLY through observational studies? A) all of the variables B) the brand of detergent used to remove a stain C) the presence or absence of sk
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Assume a loan balance of $174,000, a monthly payment of $1,395, and an interest rate of 8%. On next month's payment, how much of the $1,395 will be applied to principal?
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A waitress sold 14 ribeye steak dinners and 15 grilled salmon dinners totaling 578.08. Another day she sold 14 ribeye steak dinners and five grilled salmon dinners totaling 583.57. How much did each t
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Please help! Please help! How many gallons of a 12% acid solution and a 19% acid solution need to be mixed to make 7 gallons of a 14% acid solution?
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The circumference of a circle increases as the diameter increases, where π is the constant of proportionality. Which of these is the constant of proportionality for the length of an arc on a circle f
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Please help! How many gallons of a 12% acid solution and a 19% acid solution need to be mixed to make 7 gallons of a 14% acid solution?
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A science fair poster is a rectangle 4 feet long and 2 feet wide .what is the area of the poster square inches
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If the voltage V in an electric circuit is held constant, the current I is inversely proportional to the resistance R. If the current is 40 amperes when the resistance is 228 ohms, find the curr
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A party rental company has chairs and tables for rent. The total cost to rent 9 chairs and 7 tables is $86. The total cost to rent 3 chairs and 5 tables is $52. What is the cost to rent each chair and
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2. Suppose you find that a firm produces and sells x blenders annually, with their total profit (in hundreds of dollars) given by p(x)=1.11x-23.943-0.003x^2 a) Using a graphing utility produce the gra
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Scores on a standardized exam are normally distributed with a mean of 504 and a standard deviation of 56 . The figure below shows the distribution of the scores on a standardized exam. Calculate the s