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konstantin123 [22]
3 years ago
8

The school production of​ 'Our Town' was a big success. For opening​ night, 391 tickets were sold. Students paid ​$4.00 ​each, w

hile​ non-students paid ​$6.00 each. If a total of $1786 was​ collected, how many students and how many​ non-students attended?
Mathematics
1 answer:
drek231 [11]3 years ago
3 0

Answer:

280 students

111 non students

Step-by-step explanation:

number of students (S)

number of non students (N)

S+N=391     S=391-N

4S+6N=1786

substitute S

4(391-N)+6N=1786

1564-4N+6N=1786

subtract 1564 from each side

2N=222

N=111

S=391-111=280

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slava [35]

Answer:

Collen's average speed was 11.875 miles/h

Step-by-step explanation:

The average speed is given by the total distance travelled divided by the time at which the route was completed. So in this case the total distance is 9.5 miles and the time to complete it was 0.8 hour. We then have:

average speed = total distance/ time

average speed = 9.5/0.8 = 11.875 miles/h

Collen's average speed was 11.875 miles/h

3 0
3 years ago
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Please be quick !! this is due in 30 minutes !! <br> Simplify the expression: (7x - 8)(-5)
Ivanshal [37]

Answer:

-35x + 40

Step-by-step explanation:

  1. Re-arrange: -5(7x - 8)
  2. Apply the distributed property, so it now looks like this: -35x - -40
  3. Simplify: -35x + 40

I hope this helps!

3 0
3 years ago
Of a line passes through the points (1, 2) and (5, 3) the equation of the line is...
Ksju [112]

Answer:

y=1/4x+7/4

Step-by-step explanation:

i think its right

4 0
3 years ago
I’m supposed to simplify; however, I’m absolutely clueless on how to simplify a radical. Can anyone help?
anyanavicka [17]
Your answer simplified should be
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7 0
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Multiply and give the answer in scientific notation: (2.3 x 10-3)(3 x 108) A) 6.9 x 105 B) 6.9 x 1011 C) 6.9 x 10-5 D) 6.9 x 102
Furkat [3]

Answer: A) is the right answer. 6.9\times10^{5}


Step-by-step explanation:

Given product : 2.3\times10^{-3}\times3\times10^8

To multiply above expression, first we need to combine like terms and then we need to use the law of exponents.

2.3\times3\times10^{-3}\times10^8\\=(2.3\times3)\times(10^{-3}\times10^8)\\=6.9\times10^{-3+8}......[\text{by law of exponents }a^n\cdot\ a^m=a^{m+n}]\\=6.9\times10^{5}

Thus, the answer is 6.9\times10^{5}.


8 0
3 years ago
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