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iragen [17]
3 years ago
9

2x + 3y = 12 4x - 3y = 6

Mathematics
2 answers:
lana66690 [7]3 years ago
6 0

Answer:

x=3 , y=2

Step-by-step explanation:

2x + 3y = 12

4x - 3y = 6

+_________

2x + 4x + 3y - 3y = 12 + 6

6x = 18

x = 18/6

<em>x = 3</em>

<em>Now, we can find ''y'' :</em>

4x - 3y = 6

<em>plug in 3 for ''x'' then find y</em>

4.3 - 3y = 6

12 - 3y = 6

3y = 6

<em>y = 2</em>

Hope this helps ^-^

8_murik_8 [283]3 years ago
3 0

<em>So</em><em> </em><em>the</em><em> </em><em>value</em><em> </em><em>of</em><em> </em><em> </em><em>X </em><em>is</em><em> </em><em>3</em><em> </em><em>and</em><em> </em><em>y</em><em> </em><em>is</em><em> </em><em>2</em><em>.</em>

<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

<em>Hope </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em>

<h2><em>FOLLOW</em><em> </em><em>ME</em><em> </em><em>FOR</em><em> </em><em>MORE</em><em>.</em></h2>

<h3><em>-pragya~</em><em>~</em></h3>

<em> </em>

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2 years ago
There are 1,023 M&amp;M's in a bag. Out of 1,023 M&amp;M's, 132 M&amp;M's are blue, 69 are green, 68 are brown, 63 are olive, 62
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The probability that the person pulls 1 blue M&M given that one is only allowed to pull 5 random M&M's per day will be 0.6450.

<h3>How to calculate probability?</h3>

From the information given, there are 1,023 M&M's in a bag and out of 1,023 M&M's, 132 M&M's are blue.

Therefore, the probability of getting a blue M&M will be:

= 132/1023

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Therefore, since the person is given the chance to pull 5 random M&M's per day, the probability will be:

= 0.1290 × 5

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4 0
2 years ago
Stephanie has 60 tickets to the carnival.She used 3/4 of her 60 tickets to play games.Then she used 1/5 of her remaining tickets
Lera25 [3.4K]

Answer:

<h2>She gave her brother 6 tickets</h2>

Step-by-step explanation:

This problem is on fractional numbers.

given that she has 60 tickets

1.She used 3/4 of her tickets to play game

=(3/4)*60

=180/4

=45

She is left with (60-45)= 15 tickets

2. She used 1/5 of her remaining tickets for rides

    =(1/5)*15

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She is left with (15-3)= 12 tickets

3. She gave half of her tickets to her brother.

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3 years ago
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Step-by-step explanation:

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The population of Mexico has been increasing at an annual rate of 1.7%. If the population was 100,350,000 in the year 2000, pred
Svetllana [295]

We can withdraw a equation to give mexico population

P = M.(1 + i)^t

So,

First of all, how many years passed? 2015 - 2000 = 15. Our time is 15, our annual rate is 1,7%, time to calc.

P = 100350000.(1 + 1,7%)^15

1,7% = 0,017

P = 100350000.(1 + 0,017)^15

P = 100350000.(1,017)^15

P = 100350000.1,2876988084901218382866596204289

P = 129220575,43198372647206629291004

Rounding

P = 129,220,575

8 0
2 years ago
Read 2 more answers
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