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padilas [110]
3 years ago
14

Solve the system of equations and choose the correct orderd pair 4x-2y=-2 and 6x+3y=27

Mathematics
1 answer:
insens350 [35]3 years ago
6 0

Answer:

the answer is written in the picture

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Help please if you can. Thank you
abruzzese [7]
27/50 is the answer. Why? Because 54 and 100 are both divisible by 2. hope this helps
4 0
3 years ago
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there are 800 seats in the varsity theater. during regular preformances, all seats cost $12 each. It costs the owner $275 to pay
r-ruslan [8.4K]

Answer:

The correct answers are the following:

A) <u>P=12n-275 </u>

B) <u>124 </u>

C) <u>Decrease by $100 </u>

Step-by-step explanation:

A) <u>P=12n-275 </u> - Each person (n) pays $12, then the cost/expense ($275) is subtracted from the income to get the profit.

B) <u>1,213=12n-275</u>  - Plug in the value for P ($1,213).

1,488=12n  - Add $275 to both sides.

124=n  - Divide both sides by $12.

<u>n=124 </u> - This the number (n) of people that attended.

C) <u>P=12n-375 </u> - Change the value for expense to $375.

P=12(124)-375  - Plug in the value for n (124).

P=1488-375  - Simplify and find the difference.

<u>P=1,113 </u> - This is your profit.

<u>1,113-1,213=-100 </u> - $100 reduction/decrease of profit (or -$100 to profit)

Hope this helps!

6 0
3 years ago
Rachel reads 1/5 of the pages of a book plus 12 pages on the first day.
kkurt [141]

Answer:

Let's say that the whole book have 5a pages.

First day: a + 12

Second day: (4a)1/4+15= a + 15

Third day: (1/3)[ 4a - (a+15)] +18= a + 13

Forth day: 70

So we get this:

(a + 12) + (a + 15) + (a + 13) + 70 = 5a

a + 12 + a + 15 + a + 13 + 70 = 5a

3a + 110 = 5a

3a - 5a = -110

-2a = -110

a = 55

5a = 5(55) = 275

So the total pages are in the book is:

275 pages

6 0
3 years ago
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A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. if a marble is selected at random, what is the probability of
juin [17]
7 + 2 + 1 = 10
10 - 2 = 8

probability
= 8/10
= 4/5
6 0
3 years ago
Read 2 more answers
I need help with this
Tresset [83]

Answer: don't know sorry

Step-by-step explanation:

4 0
2 years ago
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