3 years ago

Please help me! Thanks

Mathematics

1 answer:

Yuki888 [10]3 years ago

4 0

Answer:

The answer is D. 22

Step-by-step explanation:

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Elodia [21]

Answer:

Step-by-step explanation:

We are asked to perform the subtraction

x² + xy - 3y² - (5x² - xy + y²) ← distribute the parenthesis by - 1

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= (x² - 5x²) + (xy + xy) + (- 3y² - y² )

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3 years ago

What is the standard form of the equation of the circle?

lisabon 2012 [21]

The standard form of the equation of a circle is:
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Where the point (a,b) represents the centre and r is the radius. So, given your information, the equation will be:
${(x + 4)}^{2} + {(y + 3)}^{2} = 25$

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3 years ago

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Lera25 [3.4K]

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Find the circumference of the circle in terms of π.

SSSSS [86.1K]

Answer:

C) 12π cm

Step-by-step explanation:

<u>Circumference formula:</u>

C = 2πr

Given r = 6 cm

<u>Circumference is:</u>

C = 2π*6 cm = 12π cm

Correct choice is C

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2 years ago