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ra1l [238]
3 years ago
12

Determine whether the system of equation has one solution, no solution, or infinitely many solutions. PLS ANSWER​

Mathematics
1 answer:
Simora [160]3 years ago
7 0
Answer:

C I think it if not correct me
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The sum of the digits of a two-digit number is 12. The number with the digits reversed is 15 times the original tens' digit. Fin
nika2105 [10]

a-digit\ of\ tens\\b-digit\ of\ ones\\10a+b-the\ number\\10b+a-the\ number\ with\ reversed\ digits\\\\\left\{\begin{array}{ccc}a+b=12&\to b=12-a\\10b+a=15(10a+b)\end{array}\right\\\\\text{Substitute}\\\\10(12-a)+a=15(10a+12-a)\\10(12-a)+a=15(9a+12)\qquad\text{use distributive property}\\(10)(12)+(10)(-a)+a=(15)(9a)+(15)(12)\\120-10a+a=135a+180\\120-9a=135a+180\qquad\text{subtract 120 from both sides}\\-9a=135a+60\qquad\text{subtract 135a from both sides}\\-144a=60\qquad\text{divide both sides by (-144)}\\\\a=-\dfrac{60}{144}

a is negative and it's not a digit.

<h3>Conclusion: Such a number does not exist.</h3>
8 0
3 years ago
Will give brainliest!!!!!!!!!!!!!!!
Sati [7]
Perpendicular: slope is -3/2

Based on this I would already know the answer is A.
3 0
3 years ago
What is the simplest form of 0.0115
Roman55 [17]

23/200

Hope this helps! :)

8 0
3 years ago
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Which complex number is represented by the point graphed on the complex plane below?
Oxana [17]

We need a graph to be able to give an answer however,

it should follow this formula,

a+bi

where a is the real aspect of the point and b is the imaginary aspect.

Hope this helps.

4 0
3 years ago
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2:3:5 = ? : 9 : ?<br> it is ratios<br> help i will give you 20 points
allsm [11]

Answer:

6:9:15

Step-by-step explanation:

multiply each number in the first ratio by three. They multiplied 3 times three to get 9, so you have to do that to each number to make it a ratio.

A ratio is like an equivalent fraction. It all has to be proportionate to the other fraction.

Examples:

4:3   is equal to 8:6

16:6 is equal to 32:12

6 0
3 years ago
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