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MATH SOLVE
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A warehouse charges its customers 5 dollars per day for every 10 cubic feet for space used. Suppose the number of cubic feet a company uses on day t is given by s(t)=29000−200t. Find how much the company pays for 30 days.
General
2 months ago
AFLATI 2 NUMERE STIIND CA AL DOILEA NUMAR ESTE DE 7 ORI MAI MARE DECITPRIMUL IAR SUMA DINTRE DUBLUL PRIMULUI NUMAR SI TRIPLUL CELUI DEAL DOILEA ESTE 460
General
2 months ago
The East Los Angeles Interchange is the busiest freeway interchange in the world. In 2008, an average of 550,000 cars passed through the intersection per day with a standard deviation of 100,000. What is the probability more than 620,000 use the interchange on a random day? Assume the number of cars on the interchange is approximately normally distributed.
General
2 months ago
Two tracking stations are on the equator 117 miles apart. A weather balloon is located on a bearing of Upper N 43 degrees Upper E from the western station and on a bearing of Upper N 15 degrees Upper E from the eastern station. How far is the balloon from the western station? Round to the nearest mile.
General
2 months ago
Independent flips of a coin that lands on heads with probability p are made. What is the probability that the first four outcomes are (a) H,H,H,H? (b) T,H,H,H? 3 (c) What is the probability that the pattern T, H, H, H occurs before the pattern H, H, H, H? Hint for part (c): How can the pattern H, H, H, H occur first?
General
2 months ago
Annabell invested $2000 into an account earning 3.5% interest compounded continuously. How long will it take to double her investment?
General
2 months ago
Melissa made three batches of oatmeal cookies. Her recipe calls for amounts of sugar (in cups) and flour (in cups) in the following ratios.
General
2 months ago
A hypothesis will be used to test that a population mean equals 8 against the alternative that the population mean does not equal 8 with known variance σ. What are the critical values for the test statistic [tex]Z_0[/tex] for the significance level of 0.10? Round your answer to two decimal places.
General
2 months ago
Abel is making brownies for a bake sale. The recipe shows the amount of each ingredient needed to make 9 brownies. Complete each statement to adjust the ingredients for each new situation if Abel uses this recipe. To make 45 brownies, Abel needs eggs. Abel needs 5 cups of flour to make brownies. If Abel uses 4 cups of sugar, he will need to use cups of cocoa powder. The recipe will make brownies if Abel uses only 1 egg.
General
2 months ago
Let F(x, y, z) = xi + yj + zk. Evaluate the integral of F along each of the following paths. (a) c(t) = (t, t, t), 0 ≤ t ≤ 5 Incorrect: Your answer is incorrect. (b) c(t) = (2 cos(t), 2 sin(t), 0), 0 ≤ t ≤ 8π Correct: Your answer is correct. (c) c(t) = (2 sin(t), 0, 2 cos(t)), 0 ≤ t ≤ 8π (d) c(t) = (2t2, 3t, t3), −2 ≤ t ≤ 3
General
2 months ago
The volumes of the two solids are equal, and the cross sections shown are taken at the same height above the bases. Find the missing length of the cross section of the rectangular pyramid. Round your answer to the nearest hundredth.A. 1.59mB. 1.62mC. 1.67mD. 1.76m
General
2 months ago
On an average day, 38 customers buy a bag of grapes at Jerry's Market. There are an average of 47 grapes in each bag. Round to the nearest ten and then multiply to estimate the number of grapes Jerry's customers buy every day.
General
2 months ago
What's the area of the triangle below
General
2 months ago
Find the volume of the composite solid.A. 420 ft^3B. 530 ft^3C. 630 ft^3D. 840 ft^3
General
2 months ago
The length of ZX is 2 units. What is the perimeter of triangle XYZ? 5 + + 2 units5 + 3 units5 + + 2 units10 + 2 units
General
2 months ago
James lives in San Francisco and works in Mountain View. In the morning, he has 3 transportation options (bus, cab, or train) to work, and in the evening he has the same 3 choices for his trip home. If James randomly chooses his ride in the morning and in the evening, what is the probability that he'll take the same mode of transportation twice?How do you do it??
General
2 months ago
The mean of the scores obtained by a class of students on a physics test is 42. The standard deviation is 8%. Students have to score at least 50 to pass the test. Assuming that the data is normally distributed, % of the students passed the test.
General
2 months ago
What is the equation of a line that passes through the point (9, −3) and is parallel to the line whose equation is 2x−3y=6 ?Enter your answer in the box
General
2 months ago
James is writing a coordinate proof involving a parallelogram. Knowing that the opposite sides of a parallelogram are congruent, James places his parallelogram on the coordinate plane such that one vertex is at the origin and one side lies along the x-axis. What coordinates should he assign to the fourth vertex of the parallelogram? (2a, a) (2a, a2) (a2, 0) (2a, 2a)
General
2 months ago
If the length between points on a map is 6 inches, 8 inches, and 9 inches, and the scale is one inch equals 5 miles, find the distances in miles.a.) 1.2, 1.6, and 1.8 milesb.) 11, 13, and 14 milesc.) 30, 40 and 45 miles
General
2 months ago
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