<h3>Answer: 5x-3</h3>
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Explanation:
Think of x as a placeholder for a number. For me, I tend to think of it as a box. It's handy that the letter x is part of box, to help make that connection better. We have some box and inside the box goes a number.
If we multiply 5 by whatever is in the box, we can write it like
Then let's say we fill that box with the value 7. We would then have
If we put 3 in the box instead we'll have and so on
Unfortunately the box symbol isn't something we could easily write on a keyboard, so we go with x instead to make life simpler.
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So far we've shown that "5 times a number" turns into 5*x or just 5x.
From here we subtract off 3 to get 5x-3 as the final answer. Whatever the result of 5x is, we subtract off 3.
The answer would not be 3-5x since this means "subtract 5x from 3". The order of subtraction matters. In general, A-B is not the same as B-A.
Answer:
5 day book fee would be $1.25 and 5 day video is $2.25 + 1.25= $3.50
Step-by-step explanation:
Answer:
Tan (M) = m/p
Step-by-step explanation:
Tan (M) = Oppo. / Adj.
Tan (M) = m/p
Answer:
136 un²
Step-by-step explanation:
Rectangles/linear faces: <em>7 * (5 + 6 + 5) = 7 * 16 = 112</em>
Triangles/bases:<em> 2 * 1/2(6 * 4) = 24</em>
Total: <em>24 + 112 </em>= 136 un²
I really think it is 10/3, you can't simplify it any more so I think that that is the answer