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ASHA 777 [7]
2 years ago
14

Solve the simultaneous equations x2 + y2 = 10 and x – 3y + 10 = 0.

Mathematics
1 answer:
ch4aika [34]2 years ago
3 0

Answer:

x = - 1, y = 3  or     (-1 , 3)

Step-by-step explanation:

x – 3y + 10 = 0              x = 3y - 10    ... plug in

x² + y² = 10

(3y-10)² + y² = 10

10y² - 60y +90 = 0

y² - 6y + 9 = 0

(y - 3)² = 0

y = 3

x = - 1

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Answer:

131/333

Step-by-step explanation:

999x = 393

x = 393/999

simplify by dividing by 3

x = 131/333

this is its simplest form

8 0
2 years ago
they ordered 3sodas for 11.25. Jason ordered one cheeseburger and one soda for $5 how much dose one cheeseburger cost ​
drek231 [11]

Answer:

1.25

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8 0
3 years ago
Which measurements could NOT represent the side lengths of a right triangle? A. 12 in, 35 in, 37 in B. 10 in, 24 in, 26 in C. 4
11Alexandr11 [23.1K]
<h2>Answer:</h2>

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4 0
3 years ago
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murzikaleks [220]

( - x + 3) - (x - 5)

=  - x + 3 - x + 5

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6 0
3 years ago
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ivann1987 [24]
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6 0
3 years ago
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