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3 years ago

12

What is the relationship between Za and Zb? D А E a 6 С B Choose 1 answer: A Vertical angles ® Complementary angles B C Suppleme

ntary angles D None of the above
please help me but don't send for me a link
tysm

1 answer:

Free_Kalibri [48]3 years ago

7 0

Answer:

D. none of the above.

Step-by-step explanation:

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can someone please answer the first four for me? Also can someone please explain it to me, because I don't fully understand

pentagon [3]

1 2

$a^{2} +b^{2} =c^{2} \\9^{2} + 13^{2} =c^{2}\\81+169=c^{2} \\250=c^{2} \\125=c$ $a^{2} +b^{2} =c^{2} \\16^{2} +18^{2} =c^{2} \\256+324=c^{2} \\580=c^{2} \\290=c$

3 4

$a^{2} +b^{2} =c^{2} \\19^{2} +14^{2} =c^{2} \\361+196=c^{2} \\557=c^{2} \\278.5=c$ $a^{2}+ b^{2}=c^{2} \\10^{2} +11^{2}=c^{2} \\100+121=c^{2} \\221=c^{2} \\110.5=c$

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3 years ago

The area of a circle is 39.62cm2.<br> Find the length of the radius rounded to 2 DP.

Shkiper50 [21]

Using the formula for area of a circle:

Area = pi x radius^2

Replace area with the given value:

39.62 = pi x radius^2

Divide both sides by pi

Radius^2 = 39.62/pi

Radius^2 = 12.62

Solve for radius by taking the square root of both sides

Radius = sqrt(12.62)

Radius = 3.55 cm

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3 years ago

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Harlamova29_29 [7]

The answer would be 22%

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The median of the values in a data set is y. If 48 were subtracted from each

3241004551 [841]

Answer:

Answer would be D.

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3 years ago

I need help on this question

Paul [167]

9P2 =72

= 9!/ (9-2)!

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