03/07/21

Outside temperature over a day can be modeled as....
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 96 degrees occurs at 5 PM and the average temperature for the day is 85 degrees.... more
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03/07/21

A Ferris wheel is....
A Ferris wheel is 15 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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03/07/21

Hello please help me with my homework please thank you

1.) A.) 4.5 B.) 1.5C.) 3.5D.) 2.5
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03/07/21

Find an equation in x and y whose graph contains the points on the curve C. x = 4t^2 − 5, y = 2t + 3; t in ℝ
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03/07/21

An airplane flies 190 miles from point A in the direction 140°

An airplane flies 190 miles from point A in the direction 140° and then travels in the direction 225° for 60 miles. Approximately how far is the airplane from A? (Round your answer to the nearest... more
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03/07/21

Physics Car Question
A car slows to a stop in 5 seconds. If it was going 80km/hr A) Find the acceleration B) Find the stopping distance
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03/06/21

how do I solve this question
A bicycle with 20-in.-diameter wheels has its gears set so that the chain has a 6-in. radius on the front sprocket and 3-in. radius on the rear sprocket. The cyclist pedals at 185 rpm.(a) Find the... more
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03/05/21

Use the Law of Cosines to solve the triangle. (Round your answers to two decimal places.)
a = 1.42, b = 0.75, c = 1.25A = _____°B = _____°C = _____°
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03/05/21

Can I please receive help my math homework please thanks

1.) Identify the matrix transformation of ΔDEF, which has coordinates D(3, −2),E(4, 1), and F(7, 2), for a translation 1 unit left and 2 units up. Then identify the correct vertices of the... more
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03/05/21

Solve for all solutions
Solve for all solutionsSolve 3sin(2w)+4sin(w)=0 for all solutions 0≤w<2πSolve 3cos(2t)=3sin2(t)+2 for all solutions 0≤t<2π
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03/05/21

simplify the following expression
√x7y7 • 3√5x3y10=
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03/05/21

Use the Reciprocal and Quotient Identities to find sec x if cos x = 2√5 over 5
using the reciprocal and quotient identities, find sec x.
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03/05/21

In a triangle angle A measure 42 degrees, side a is 6 in and side c is 9 units. What are the possible measurements for angle B?
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03/05/21

Find a + b, a − b, 4a + 5b, 4a − 5b, and ||a|| .
Find a + b, a − b, 4a + 5b, 4a − 5b, and ||a|| .a = i + 3j,     b = 8i − 2j a + b  =      a − b  =      4a + 5b  =    4a − 5b  =      ||a|| =
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03/05/21

can someone please answer this!!
Kevin gets on an elevator in a skyscraper. The elevator starts to move at a rate of -15ft/s. After 4 seconds on the elevator, Kevin is 260 ft from the ground floor of the building. Write an... more
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02/20/21

Can someone tell what I'm doing wrong with this question?
A satellite circles the earth in an orbit whose radius is six times the earth's radius. The earth's mass is 5.98  1024 kg, and its radius is 6.38  106 m. What is the period of the satellite?I used... more
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02/20/21

Solve the Quadratic Equation by hand
y=-2x^2+12x-1
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02/19/21

Line segment AB has a midpoint of M. The coordinates of A are (-3, 6) and the coordinates of M are (-7,8). What are the coordinates of B?
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01/31/21

Particle movement: total distance
A particle moves along the x-axis so that at time t>=0  its position is given by x(t)=(2t^3)-(9t^2)-60t+4. What is the total distance traveled by the particle over the time... more
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01/31/21

Physics centripetal acceleration
Zach drives his car around a circular section of a road having a radius of 50 meters at a constant speed of 20 m/s. What is the centripetal acceleration of Zach's car?
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01/31/21

Physics centripetal acceleration
Calculate the total acceleration path knowing that the angular speed of the ball is 3 Rad/s and it makes a 0.8 m radius Circle .
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01/31/21

Physics centripetal acceleration
Heather drives her Super-Beetle around a turn on a banked circular track which has a radius of 200 m. The Super-Beetle has a mass of 1500 kg and Heather maintains a speed of 20 m/s around the turn.... more
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01/31/21

Sketch the graph of the function
Sketch the graph of the function.g(x) = {x+5, x ≤ -2g(x) = {1/2x-2, x > -2
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01/31/21

If ∆DEF ≅ ∆XYZ, XZ = 12 and DF is 18 less than 3XY. Find XY.
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01/31/21

business math 3 problem question
Country Day's scholarship fund receives a gift of $ 145000. The money is invested in stocks, bonds, and CDs. CDs pay 2 % interest, bonds pay 5.4 % interest, and stocks pay 11.1 % interest. Country... more
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