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Veseljchak [2.6K]
2 years ago
11

PLEASE I NEED HELP ASAP THIS IS ALSO MIDDLE SCHOOL/ pancho writes a check for $140 a month for the electric bill. He writes anot

her check for $105 four times a year for the water bill. He writes a check for $55 a month for the phone and internet bill. Write an expression involving multiplication and addition to describe how these expenses affect his checking account balance on a yearly basis. Then evaluate the expression and explain its meaning.
Mathematics
1 answer:
Margaret [11]2 years ago
7 0

Answer:

140x12+105x4+55x12= 86,340 a month

Step-by-step explanation:

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Answer:

x = 82°

y = 59°

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Step-by-step explanation:

∠x = 1/2(134° + 30°) = 82°

∠z = 180° - 59° - 82° = 39°

arc DF = 2(39°) = 78°

arc DB + arc DF = 134° + 78° = 212°

draw a diameter down from point B to the opposite side of the circle, call that point P:

arc BDP = 180°

(arc BDF) 212° - 180° = 32° (arc PF)

∠PBG = 1/2(32°) = 16°

∠DEB = 1/2(134°) = 67°

∠DBE = 180° - 59° - 67° = 54°

(∠DBE) 54° - (∠z) 39° + (∠PBG) 16° = (∠PBE) 31°

y = 90°- 31° = 59°

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Orlov [11]

angle QRO is 126 degrees

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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