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MATH SOLVE
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When a cold drink is taken from a refrigerator, its temperature is 5 degrees C. After 25 minutes in a 20 degrees C room its temperature has increased to 10 degrees C.(a) What is the temperature of the drink after 50 minutes?(b) When will its temperature by 15 degrees C?
General
6 months ago
I’m trying to help my brother with his homework but we both can’t solve this one
General
6 months ago
School newspaper staff went to three different sports games to survey students on their favorite sport, and the results are shown in the table below. Are these samples biased? Why or why not? Favorite Sport Survey Sample 1 Sample 2 Sample 3 Basketball 23 Basketball 1 Basketball 1 Football 2 Football 24 Football 2 Volleyball 0 Volleyball 0 Volleyball 22
General
6 months ago
What are the sine, cosine, and tangent of 11 pi over 6 radians? sin θ = square root 3 over 2; cos θ = 1 over 2; tan θ = square root 3 over 3 sin θ = negative square root 3 over 2; cos θ = 1 over 2; tan θ = negative square root 3 over 3 sin θ = negative 1 over 2; cos θ = square root 3 over 2; tan θ = negative square root 3 over 3 sin θ = 1 over 2; cos θ = negative square root 3 over 2; tan θ = negative square root 3 over 3
General
6 months ago
Trisha bought a flower vase that costs $25 and arug that costs $48, not including tax. She receiveda 5% discount on the cost of the flower vase and a10% discount on the cost of the rug.What is the cost for both items that Trisha boughtafter the discount, not including tax?A $62.05B $66.95C $68.10D $79.0510 Agnes put $500 into an account that earns 2%simple annual interest. How much money will shehave in the account after 6 years if she makes nowithdrawals or deposits?A $60B $560C $1,100D $6,500PLEASE HELP AND PLEASE SHOW STEPS!
General
6 months ago
A trail mix is made up of peanuts that cost p dollars per pound and dried fruit that costs d dollars per pound. A blend of 1/2 pound of peanuts and 3/4 pound of dried fruit costs $6.50. A blend of 3/4 pound of peanuts and 1/4 pound of dried fruit costs $4.50. Which matrix equation can be used to solve for the cost of 1 pound of peanuts and the cost of 1 pound of dried fruit?
General
6 months ago
99 POINTS!!!!What is the area of the triangle in the coordinate plane? 26 units² 33 units² 36 units² 66 units² The figure contains a right triangle in the first quadrant of a coordinate plane. Vertices of the triangle are located at begin ordered pair 2 comma 5 end ordered pair, begin ordered pair 13 comma 11 end ordered pair, and begin ordered pair 13 comma 5 end ordered pair.
General
6 months ago
Nadine walked 1⁄4 of a mile, Janet walked 3⁄8 of a mile, and Perry walked 5⁄6 of a mile. Who walked the farthest? How much farther did Perry walk than Nadine?
General
6 months ago
Describe the translation of the graph of y = x2 that results in the graph of y = (x - 3)2.left 3 unitsright 3 unitsdown 3 unitsup 3 units
General
6 months ago
Events a, b, and c in a sample space have p(a)=0.2, p(b)=0.4, and p(c)=0.1. find p(a ∪ b ∪c.if a and b are mutually exclusive, a and c are independent, and b and c are independent.
General
6 months ago
Appleseed, a tech company, spends a fixed cost of $1500 to manufacture the wristbands for their new Appleseed watch, plus $100 per unit manufactured .
General
6 months ago
A linear function has an x-intercept of 12 and a slope of 3/8. How does this function compare to the linear function that is represented by the table? X= -2/3, -1/6, 1/3, 5/8. Y=-3/4, -9/16, -3/8, -3/16. It has the same slope and the same y-intercept. It has the same slope and a different y-intercept. It has the same y-intercept and a different slope. It has a different slope and a different y-intercept.
General
6 months ago
Mikey has two mice that were about the same age and weight Mikey fed each of the 2 mice a different feed for a month. He measured how much the mice weighed every two days until the month was over Mikey’s results showed that although both mice Which graph below best shows these results?
General
6 months ago
Which geometric series converges 1/81+1/27+1/9+1/3+, 1+1/2+1/4+1/8?
General
6 months ago
A scientist is testing the effectiveness of a new medicine. The medicine is to be tested on two genetically identical lab rats. One rat receives a placebo pill, while the other rat receives the actual medicine. Which of the following methods is being used to investigate the effectiveness of the medicine?
General
6 months ago
Which of the following equations have a solution of n = 2 1/4? Select all that apply.4n = 92n + 3 = 72n = 0n - 2 = 0n ÷ =
General
6 months ago
In a certain algebra 2 class of 29 students, 22 of them play basketball and 12 of them play baseball. there are 9 students who play both sports. what is the probability that a student chosen randomly from the class plays basketball or baseball?
General
6 months ago
Two trains began their trip from the same station at 8:00 a.m. One train traveled North at a rate of 44 mph and the other traveled South at a rate of 46 mph. What time will it be when the trains are 405 miles apart?
General
6 months ago
What is the midpoint of a line segment with the endpoints (-6, -3) and (9, -7)?A. (1.5, -5) B. (1, -4.5) C. (-4.5, 1) D. (-5, 1.5)
General
6 months ago
A recent study was conducted to investigate the duration of time required to complete a certain manual dexterity task. the reported mean was 10.2 seconds with a standard deviation of 16.0 seconds. suppose the reported values are the true mean and standard deviation for the population of subjects in the study. if a random sample of 144 subjects is selected from the population, what is the approximate probability that the mean of the sample will be more than 11.0 seconds?
General
6 months ago
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