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Pepsi [2]
2 years ago
15

Easy question right here!

Mathematics
2 answers:
Bad White [126]2 years ago
6 0
12 glad I could help!
Oduvanchick [21]2 years ago
3 0

Answer: z=-9.5

Step-by-step explanation: -9.5/2=-4.75

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multiply each side

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3 years ago
Round to nearest tenth
Goshia [24]

Answer:

Step-by-step explanation:

this is exactly the same as the 1st one,  just  they put it in a different orientation.   sooo use law of cosines , where

QR = c

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cos(120) = cos (P)

c = sq rt [ a^2+b^2﹣2*a*b*cos(P) ]

QR = sq rt [ 12^2 + 23^2 - 2* 12*23*cos(120) ]

QR = sq rt [ 144 + 529 - 552 * (-0.5 0 ]

QR = sq rt [ 673 + 276 ]

QR = sq rt [ 949 ]

QR = 30.8058

rounded to nearest 10th is

QR = 30.8  :)

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2 years ago
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Step-by-step explanation:

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3 years ago
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