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SVEN [57.7K]
3 years ago
10

Need help geometry question central angles and arcs??

Mathematics
2 answers:
Alex73 [517]3 years ago
7 0
Answer is 140 sddyfhg
WINSTONCH [101]3 years ago
3 0

Answer:

I think the answer may be 140°

360 - 160 - 60 = 140

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Select two ratios that are equivalent to 2:9, colon, 9. Choose 2 answers:
ira [324]

Answer:

4:18 and 6:27

Step-by-step explanation:

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4 years ago
Read 2 more answers
X^2-5x-8=0 find the roots (zeros)
melomori [17]

Answer:

             x_1=\dfrac{5-\sqrt{57}}{2}\ ,\quad x_2=\dfrac{5+\sqrt{57}}{2}

Step-by-step explanation:

x^2-5x-8=0\\\\a=1\,,\ b=-5\,,\ c=-8\\\\x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x=\dfrac{-(-5)\pm\sqrt{(-5)^2-4\cdot1\cdot(-8)}}{2\cdot1}=\dfrac{5\pm\sqrt{25+32}}{2}=\dfrac{5\pm\sqrt{57}}{2}

5 0
4 years ago
Evaluate the following expressions for a = -3,b=2,c=5
Ksju [112]

Hey!

----------------------------------------------------------------------

We know that (a = -3), (b = 2), (c = 5), and (d = -4).

----------------------------------------------------------------------

Solution #1:

=\frac{a-4b}{3c+2d}

=\frac{(-3) - 4(2)}{3(5) + 2(-4)}

=\frac{(-3) - 8}{15 +( -8)}

=\frac{-11}{7}

≈ 1.57

----------------------------------------------------------------------

Solution #2:

= a - 4b / 3c + 2d

= (-3) - 4(2) / 3(5) + 2(-4)

= (-3) - 8 / 15 + (-8)

= (-3) - 0.53 + (-8)

= (-3.53) + (-8)

= -11.53

----------------------------------------------------------------------

Solution #1 Answer: 1.57

Solution #2 Answer: -11.53

----------------------------------------------------------------------

Hope This Helped. Good Luck! Brainly is here to help :)

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You took 600mg of pain reliever at
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It’s not a question for studying

Step-by-step explanation:

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