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General
Determine if each statement is true or false. If the statement is false, explain why, or show work proving that it is false.a. If a = 5, then ac = 5c.b. If ac = 5c, then a = 5.
General
4 months ago
43. The surface area of Jupiter is 6.14 × 1010 km2, and the surface area of Earth is 5.10 × 108 km². Without using a calculator but using the table of logarithms, find how many times greater the surface area of Jupiter is than the surfacearea of Earth.
General
4 months ago
50.The amount of caffeine in a patient’s bloodstream decreases by half every 3.5 hours. A latte contains 150 mg of caffeine, which is absorbed into the bloodstream almost immediately. b. Do you have enough information to find a model that is appropriate for this situation? Either find a model or explain what other information you would need to do so.
General
4 months ago
49.The amount of caffeine in a patient’s bloodstream decreases by half every 3.5 hours. A latte contains 150 mg of caffeine, which is absorbed into the bloodstream almost immediately. a. What type of function models the caffeine level in the patient’s bloodstream at time ???????? hours after drinking the latte? Explain how you know.
General
4 months ago
Verify that the function u(x, y, z) = log x^2 + y^2 is a solution of the two dimensional Laplace equation u_xx + u_yy = 0 everywhere, except of course at the origin where f is not defined. Verify that the following functions solve the wave equation, u_tt = u_xx u(x, t) = cos(4x) cos(4t) u(x, t) = f(x - t) + f(x + 1), where f is any differentiable function of one variable.
General
4 months ago
Find the quotient. Justify your answer. x^5+2x^4-7x^2-19x+15/x^2+2x+5
General
4 months ago
I have 20 min to submit this someone please helpName the angle pairs shown. Then find the missing angle measure.1. Angle Pair:2. m∠x =
General
4 months ago
A local telephone company offers a long-distance telephone plan that charges $5.25 per month and $0.08 per minute of calling time. This expression 0.08t +5.25 represents the monthly long-distance bill for a customer who takes t minutes (min) of long-distance calls on this plan. Find the monthly bill for a customer who makes 173 min of long-distance calls on this plan.
General
4 months ago
two winners are to share a prize of $750. If one winner receives twice as much as the other, how much will they each receive?
General
4 months ago
Find the equation of the line passing through the 2 points (9,-1) (0,-8)
General
4 months ago
The lengths of three sides of a triangle are m units, n units, and p units, respectively. Which inequality must be true?A) m > n + p B) n < m + p C) p > m + n D) p < m – n
General
4 months ago
The length of each edge of a cube is decreased by 40 percent By what percent does the volume of the cube decrease? Express your answer to the nearest tenth.
General
4 months ago
A grinding wheel is in the form of a uniform solid disk of radius 7.05 cm and mass 2.10 kg. It starts from rest and accelerates uniformly under the action of the constant torque of 0.595 N · m that the motor exerts on the wheel. (a) How long does the wheel take to reach its final operating speed of 1 160 rev/min? 1.07 Correct: Your answer is correct. s (b) Through how many revolutions does it turn while accelerating?
General
4 months ago
If f(x)=3 x -1 and g(x)=0.03x^3-x+1 an approximate solution for the equation f(x)=g(x) is
General
4 months ago
A company plans to manufacture a rectangular bin with a square base, an open top, and a volume of 13,500 in3. Determine the dimensions of the bin that will minimize the surface area. What is the minimum surface area? Enter only the minimum surface area, and do not include units in your answer.
General
4 months ago
The dealership main office floor is in the shape of a rectangle with a perimeter of 202 feet. The length is 1 foot more than 3 times the width. What is the length and width of the main office floor?
General
4 months ago
Find the area of a regular pentagon with apothem length of about 10.3 meters. Round to the nearest tenth if necessary.Options:77.3 units2386.3 units2154.5 units2772.5 units2
General
4 months ago
At 82°F, a certain insect chirps at a rate of 61 times per minute, and at 91°F, they chirp 124 times per minute. Write an equation in slope-intercept form that represents the situation.
General
4 months ago
A student would like to find the height of a statue. The length of the statue's right arm is 33 feet. The student's right arm is 2 feet long and her height is 5 ⅓feet. Use this information to find the height of the statue. How close is the approximate height to the statue's actual height of 88 feet, 2 inches from heel to top of head?
General
4 months ago
The histogram shows the number of cell phone calls received by Medera, a middle school student, one Saturday from 10 a.m. to 10 p.m. m Which statement most reasonably explains the hours when zero calls were received? Medera turned the phone off while playing in a soccer game. Medera’s phone can only receive 22 calls a day. Medera only receives calls in clusters. Medera lost her phone for two hours.
General
4 months ago
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