03/09/20
speed and current question
Flying against the wind, an airplane travels 8640 kilometers in 9 hours. Flying with the wind the same plane travels 11,040 kilometers in 8 hours what is the rate of the plane in still air and what...
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03/09/20
If sin(θ)=12/13, and θ is in Quadrant II, then what is sin(θ/2)?
Simplify your answer completely.
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03/08/20
what is twice the difference of a number and 8 is at least 29
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03/08/20
The probability to win a gift
Everyone has 5% chances to win a gift then how about the chance of a 4 men's team to win 1 gift? Is 0.95^4 right? How to calculate it with 5% ?
03/08/20
A(2,2) B(11,4) C(14,8): AC is the perpendicular bisector of BD. Find the coordinates of D
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03/08/20
Quiz question please help
If two rays are opposite rays, then their union is a straight line. True or false
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03/08/20
Quiz question please help
The exterior sides of adjacent angles 1 and 2 are perpendicular. If BD is the bisector of < 1and BE is the Bisector of < 2, find the measure of < DBE.
03/07/20
Use a calculator to find sin ^-1 (0.3536) in radians and degrees
sin^-1(-0.3536) round the answer to 4 decimal places as needed.
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03/07/20
How do you know if a triangle is acute, obtuse, or a right triangle by looking at it's side lengths?
A train traveled 400 miles in 9 hours. The speed of the train for the first part of the journey was 40 miles per hour while the speed for the second part of the journey was 50 miles per hour.
Find the distance traveled when the train was traveling at 50 per hour.
A train traveled 400 miles in 9 hours. The speed of the train for the first part of the journey was 40 miles per hour while the speed for the second part of the journey was 50 miles per hour.
Find the distance traveled when the train was traveling at 50 per hour.
03/06/20
how many different family night possibilities are there? (info in description - pls help!!!)
Can someone please help me with this question? I don't understand how to do it and my teacher explained it but it still makes no sense to me. If it helps, we have been using permutations etc on the...
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03/06/20
Find the equation for the nth term where the first term is 8 and the common difference is -2
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03/05/20
Trigonometric Identities
If cos(θ)=24/25, and θ is in Quadrant I, then what is cos(θ/2)?
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03/05/20
Twice the difference of a number and 3 equals 5
Twice the difference of a number and 3 equals 5
At the beginning of an experiment, a scientist has 352 grams of radioactive goo. After 120 minutes, her sample has decayed to 44 grams. What is the half-life of the goo in minutes?
please help this assignment is due soon
03/05/20
Domain and Range
I was just wondering if it is applicable to write the domain of the parabola y=x^2 can be:-∞<x<∞
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03/05/20
Graph the equation to show one rotation of a Ferris Wheel
The equation h(t)=30cos π/10+50 has three parts in my book yet I don’t know where to begin!A: graph the equation to show one complete rotation and label the Period, Midline and AmplitudeB: What is...
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How do I solve this system of questions?
The length of a rectangular garden is four more than three times the width, if the perimeter of the garden is 104 feet, then what are the dimensions?
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