221.1 and .0004 are the answers.
Step-by-step explanation:
Step-by-step explanation:
\begin{gathered} \frac{8x - 3}{3x} = 2 \\ 8x - 3 = 6x \\ 8x - 6x = 3 \\ 2x = 3 \\ x = \frac{3}{2} \end{gathered}
3x
8x−3
=2
8x−3=6x
8x−6x=3
2x=3
x=
2
3
The given operation involves just swapping the two rows, so carrying out
![R_1\leftrightarrow R_2](https://tex.z-dn.net/?f=R_1%5Cleftrightarrow%20R_2)
on the matrix gives
Answer:
c Aerobics and jumping rope
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Answer:
yes
Step-by-step explanation:
The graph is of a function (one output for every input) that also passes the horizontal line test (one input for every output). Hence it is one-to-one.
For a <em>function</em>, the key for it being one-to-one is that it pass the horizontal line test.