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vekshin1
3 years ago
5

A toll collector on a highway receives $8 for trucks and $3 for sedans. At the end of a 2 hour period, she collected $128. How m

any trucks and sedans passed through the toll booth during that period?
Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0
7 trucks & 24 sedans
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Find the sum of (1-1/n) + (1-2/n) + (1 - 3/n)....upto n terms
bija089 [108]

Answer:

<em> (n - 1)/2</em>

Step-by-step explanation:

F = (1 - 1/n) + (1 - 2/n) + (1 - 3/n) + ...(1 - n/n)

  = (1 + 1 ... + 1) - (1/n + 2/n + 3/n + ...n/n)

     (there are n terms of 1)

  = n - (1 + 2 + 3 + ... + n)/n

  = n - [n x (n + 1)/2]/n

  = n - [n x (n + 1)]/[2 x n]

  = n - (n+1)/2

  = (2n - n - 1)/2

  = (n - 1)/2

Hope this helps!

4 0
3 years ago
3. A system of functions is given. Select
Aleks04 [339]

Answer:

Step-by-step explanation:

The easiest way is to graph both functions and see where they intersect.  The intersection is where f(x) = g(x).

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5 0
3 years ago
on the first day if the month, John counted his money and found he had $28.35. since then he has received an additional $17.26 f
barxatty [35]
Dude, this is simple addition. 28.35 + 17.26 = 45.61

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8 0
3 years ago
At the beach 29% of people have red towels and 18% have white towels if the rest have blue ,what percentage of the people at the
Vikki [24]
The percent of people with blue towels would be the remaining percent when you add the red and wight towels together.
a.k.a
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6 0
3 years ago
find the slope between each pair of points please help with these three questions and i’ll mark the brain thing !
madam [21]

(If It's a number like this: 8/9 then it's a fraction)

Answer:

<h2><em><u>9. -2/6</u></em></h2><h2><em><u>10. -6/-10</u></em></h2><h2><em><u>11. 3/4</u></em></h2>

Step-by-step explanation:

Yay, I love doing these!

9.} 6 - 8 and 4- -2= -2/6

10.} 3 - 9 and -1 - 9= -6/-10

11.} -1 - -7 and 5 - -3= 6/8 simplify it by 2= 3/4

5 0
3 years ago
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