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2 years ago

PLEASEE answer correctly !!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

natita [175]2 years ago

7 0

Answer:

Step-by-step explanation:

4 boys and 5 girls ratio (4:5)

Anon25 [30]2 years ago

7 0

4:5 ratio

hope this helps

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2 years ago

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Evaluate the expression when r = 8.2 and s = –3.7.

kiruha [24]

When you plug in the numbers for the integers, you get
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If you then add 8.2, you get 15.6. So the answer is D.
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3 years ago

What is 6+7??????????????

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2 years ago

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3 years ago

Write the equation x² + 6x + y² – 8y = 19 in standard form.

kirza4 [7]

Answer:

Formula used :

x²+2xy+y² = (x+y)²
x²-2xy+y² = (x-y)²

$→{x}^{2} + 6x + {y}^{2} - 8y = 19 \\ ({x}^{2} + 2.3.x + {3}^{2} ) +({y}^{2} - 2.4.y + {4}^{2} ) = 19 + {3}^{2} + {4}^{2} \\ {(x + 3)}^{2} + {(y - 4)}^{2} = 19 + 9 + 16 \\ \boxed{ {(x + 3)}^{2} + {(y - 4)}^{2} = 44}✓$

3) (x+3)²+(y-4)²=44 is the right answer.

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2 years ago

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