9514 1404 393
Answer:
x = 6
Step-by-step explanation:
The parallel lines divide the side lengths proportionally.
21/14 = (x+3)/x
1.5 = 1 +3/x . . . . perform the division
0.5 = 3/x . . . . . .subtract 1
x = 6 . . . . . . . . . multiply by 2x
Answer:
6-n
Step-by-step explanation:
The first term, a is 5 and the common difference is - 1.
So an=a+(n-1)d, an=5+(n-1)(-1)=5-n+1=6-n. Answered by Gauthmath
Answer:
Step-by-step explanation:
The Midpoint formula is
where the x's and y's come from the coordinates of the endpoints. Filling in:
![M=(\frac{-2+(-1)}{2},\frac{-4+(-5)}{2})=(\frac{-3}{2},\frac{-9}{2})=(-1.5,-4.5)](https://tex.z-dn.net/?f=M%3D%28%5Cfrac%7B-2%2B%28-1%29%7D%7B2%7D%2C%5Cfrac%7B-4%2B%28-5%29%7D%7B2%7D%29%3D%28%5Cfrac%7B-3%7D%7B2%7D%2C%5Cfrac%7B-9%7D%7B2%7D%29%3D%28-1.5%2C-4.5%29)
Answer:
1
Step-by-step explanation:
For example our number is 7
7 can be written as 7/1
the reciprocal is 1/7(interchanging the denominator and numerator)
7/1 * 1/7 = 7x1/1x7 = 7/7 = 1
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