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2 years ago

14

The length of PQ is The midpoint of PQ is m(_,_)

1 answer:

nordsb [41]2 years ago

7 0

What first of all this is a test second how are we supposed to do that where can we find M

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1 + 5sin^2x= 7sin^2x solve trig equation. Can you show me how to solve this trig equation?

pantera1 [17]

Answer: $x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}$

Step by step:

$1 + 5\sin^2x= 7\sin^2x\\\sin^2 x\rightarrow z\\1 + 5z = 7z\\2z = 1\\z = \frac{1}{2}\implies \sin^2 x = \frac{1}{2}\\|\sin x| = \frac{1}{\sqrt{2}}\\\sin x = \pm\frac{1}{\sqrt{2}}=\pm\frac{\sqrt{2}}{2}\\\implies x = \frac{\pi}{4}\pm k\frac{\pi}{2}\,\,\,\,\,\,k=\{0,1,2,...\}$

(Used a table of common angles)

8 0

3 years ago

1(4 – 22); 2 – 2x<br><br> I don’t get this question can someone help me

sertanlavr [38]

Answer:

i dont know if this is what u wanted but it wasn't really specified

Step-by-step explanation:

1(4 – 22); 2 – 2x

simplified:

−18;−2x+2

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2 years ago

Parker puts 25 $ of her earnings

solong [7]

Answer:

12 months or a year

Step-by-step explanation:

300÷25=12

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2 years ago

Grace is comparing cell phone plans. A prepaid phone plan costs $0.20 per minute and has no monthly fee. A contracted phone plan

Digiron [165]

Answer:

The prepaid phone plan will have a steeper line and lower y-intercept.

I hope this is right

Step-by-step explanation:

prepaid phone plan y = .20x

contracted phone plan y = .02x + 50

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2 years ago

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I need help with this 20 points

iren2701 [21]

Answer:

I dont understand that sorry

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2 years ago

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