It's a bit of a bummer to have to work through all of these to find the answer. That a lot of slope calculations (or graphing, or whatever). When there are this many, a spreadsheet or other machine help can make it easier.
The correct choice is the last one, XYZ, with vertex X being where the right angle is located.
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Slope of XY is 4/7; slope of XZ is -7/4. The product of these is -1, so those segments are at right angles.
Answer:
6 * 5 * 4 * 3 * 2 * 1, i.e. 6! or 720. Of course, since both sets have the same number of elements, you can't have one-to-one without being onto, aka a surjection, so “one to one correspondence” is the right term (or bijection—merci, M.
Hope it helps >3!
Answer:
1.2 miles per hour
Step-by-step explanation:
I did this a long time time ago but I believe I am correct.
Hope this helps!
Answer:
<h2>(A.B.)-32, 64</h2>
Step-by-step explanation:
Each next term is created by multiplying the previous term by (-2).
