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Katen [24]
3 years ago
8

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Mathematics
1 answer:
sleet_krkn [62]3 years ago
6 0

Answer: what is the question?

Step-by-step explanation:

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I already solved this problem. I just need help with the HINT part.
frutty [35]
x+y=25 \\ y=25-x~~Other~number~in~terms~of~x \\ \\ x^2+y^2=313 \\ x^2+2xy+y^2=313+2xy \\ (x+y)^2=313+2x(25-x) \\ \frac{25^2-313}{2} =25x-x^2 \\ x^2-25x+156 \\ \\ \Delta =(-25)^2-4\times 1\times 156 \\ \Delta =625-624 \\ \sqrt{\Delta}=1 \\ \\ x= \frac{25 \pm 1}{2} \\ x= \left \{ {{x_1=13} \atop {x_2=12}} \right.

     The number "x" is given by:
y= \left \{ {{y_1=25-13 \rightarrow~y_1=12} \atop {y_1=25-12 \rightarrow ~y_1=13}} \right.
  
     Therefore, we have:

\boxed {S=({12,13})} \rightarrow~The~curly~braces~does~not~want~appear~here.
8 0
3 years ago
Pleaseeee answer as fast as possible
WINSTONCH [101]

Answer:

$986.84

Step-by-step explanation:

exchange rate is the rate at which one currency is exchanged for another currency

Amount of dollars bought = amount of RS / selling rate

75,000 / 76 = $986.84

5 0
2 years ago
At the market you purchase some apples and oranges. There were 12 items purchased. You buy twice as many apples as oranges. (10
musickatia [10]
8 apples were purchased.

4 oranges were purchased.

8 + 4 = 12
5 0
3 years ago
Is 0.270 greater than 0.27 answer quick this us to double check
Nostrana [21]

Answer:

No, they're both equal

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which graph shows the original figure rotated 180 degrees
Sphinxa [80]
It should be B because 180° should transfer it to the opposite quadrant and change the signs of both x and y
7 0
2 years ago
Read 2 more answers
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