Mathematics, 28.07.2021 22:50, dixks
Select the correct answer from each drop-down menu.
A student begins a proof of the law of cosines. His work is shown.
(png/image displayed in download)
The next step in the proof is to write an expression for the length of side AZ in terms of _
Then the student should write an expression for the length of side AY in terms of_
Next he can use the _
to relate x, y, z, and _
(_) = blank, not known
1. blank choices
y, z and x
y, z and y
x, z and z
2. blank choices
z and Y
x and Z
z and X
3. blank choices
Pythagorean Theorem
Law of sines
tangent function
4. blank choices
X
Z
Y
Thanks for your time, have a nice day!
Answers: 2
Mathematics, 21.06.2019 15:30, izquierdohannah
David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.
Answers: 2
Mathematics, 21.06.2019 19:00, lexipooh7894
What are the solutions of the system? y = x^2 + 2x +3y = 4x - 2a. (-1, -6) and (-3, -14)b. (-1, 10) and (3, -6)c. no solutiond. (-1, -6) and (3, 10)
Answers: 1
Select the correct answer from each drop-down menu.
A student begins a proof of the law of cosines....
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