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3 years ago

9

Brain operation

1 answer:

Yuliya22 [10]3 years ago

4 0

{-1,-3,-7,-9}

hope it helps

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Find m∠POQ if ∠POQ and ∠QOR form a linear pair, as shown in the figure.

il63 [147K]

Answer:

155

Step-by-step explanation:

∠QOR= 25

∠POQ = x

here sum of both angles is 180 ( by linear pair)

therefore,

∠QOR + ∠POQ =180

25 + x = 180

x=180-25

x=155

hence, ∠POQ= 155

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3 years ago

Give an example of a repeating decimal where two digits repeat

Novay_Z [31]

27.33333333 I hope it helps!

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4 years ago

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A tennis club has 27 members. 19 have black hair, 14 have brown eyes, and

Valentin [98]

Answer: 11

Because if you minus 11 from both brown eyes and black hair your left with 8 from black hair and 3 from brown eyes

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3 years ago

Set up a table of values and then graph the line from its parametric form.

lina2011 [118]

Answer:B

Step-by-step explanation:

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3 years ago

Need help will give you a good rating us

vovikov84 [41]

Answer:

$\boxed{2\pm \frac{\sqrt{2}}{2}}$

Step-by-step explanation:

$2x^2-8x=-7$

$\sf Add \ 7 \ on \ both \ sides}.$

$2x^2-8x+7=-7+7$

$2x^2-8x+7=0$

$ax^2 +bx+c=0$

$\sf Apply \ quadratic \ formula.$

$a=2 \ \ \ b=-8 \ \ \ c = 7$

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$x=\frac{-(-8)\pm\sqrt{(-8)^2-4(2)(7)}}{2(2)}$

$x=\frac{8\pm\sqrt{64-56}}{4}$

$x=\frac{8\pm\sqrt{8}}{4}$

$x=\frac{8\pm2\sqrt{2}}{4}$

$x=2\pm \frac{\sqrt{2}}{2}$

4 0

3 years ago