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Oliga [24]
3 years ago
15

Solve each system substitution 6x - 12y=24 And -x - 6y=4

Mathematics
1 answer:
almond37 [142]3 years ago
4 0
6x-12y=24
x=-6y-4
6(-6y-4)-12y=24
-36y-24-12y=24
-48y=48
y=-1
6x-12(-1)=24
6x+12=24
6x=12
x=2

6(2)-12(-1)=24
12+12=24
 24=24 true
and
-(2)-6(-1)=4
-2+ 6=4
4=4 true
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Answer:

<u><em>9 (3x+2)</em></u>

Step-by-step explanation:

<u>27x + 18 = 9 (3x+2)</u>

<em>By simplifying the Given expression you get 9 (3x+2) </em>

<em>and no matter how many times you simplify that expression you always get the expression you started with so in other word their equavalent to each other</em>

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3 years ago
In a school, 2/3 the students study a language.
xxTIMURxx [149]

Answer:

4:11

Step-by-step explanation:

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6 0
2 years ago
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Which phrase best describes the translation from the graph y = (x + 2)2 to the graph of y = x2 + 3?
Mashutka [201]

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(x,y)→(x+2,y)

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2. Consider the transformation that maps the graph of the function y=x^2 into the graph of the function y=x^2+3. This transformation has a rule:

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3 years ago
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If $25, 000 is invested into an account paying 4.5% per year, compounded quarterly, how much money can be withdrawn from the acc
pogonyaev

The money can be withdrawn from the account every two months for the next 6 years is $20, 625, 000

<h3>What is compound interest?</h3>

The formula for compound interest is given as;

A = P ( 1 + \frac{r}{n} )^n^t

P = principal interest = $25, 000

r = rate = 4. 5%

n = 2 months

t = 6 years

A = 25, 000 ( 1 + \frac{4. 5}{2} )^2 ^*^6

A = 25, 000(1 + 0. 75)^1^2

A = 25, 000( 825. 00)

A = $20, 625, 000

Thus, the money can be withdrawn from the account every two months for the next 6 years is $20, 625, 000

Learn more about compound interest here:

brainly.com/question/2455673

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7 0
2 years ago
Nine times the sum of a number and two is forty five. What is the number?
kondaur [170]

Answer:

3

Step-by-step explanation:

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9N              = 27  

N                 = 3  

6 0
3 years ago
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