Plz help!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Andrews [41]3 years ago

8 0

Perpendiculars are any lines that intersect to make or forms a right angle.

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You fly in a helicopter for 20 minutes that goes at a speed of 240 km per hour.How far did you go?

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You would go 4800 km per hour

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3 years ago

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A cell phone company charges a flat Rate of 4.75 per month with an additional charge .19 per minute. How many minutes did alexan

mote1985 [20]

Answer:The number of minutes that Alexandra talked on her cell phone is 120

Step-by-step explanation:

A cell phone company charges a flat rate of 4.75 per month with an additional charge 0.19 per minute. Assuming the total number of minutes of call made for the month is represented by x and the total cost of x minutes of call is y, then

y = 0.19x + 4.75

To determine how many minutes that Alexandra talked on her cell phone if his monthly bill was 27.55, we would substitute y = 27.55 into the equation. It becomes

27.55 = 0.19x + 4.75

0.19x = 27.55 - 4.75 = 22.8

x = 22.8/0.19 = 120 minutes.

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3 years ago

6. Ed bought a coat that usually costs $150. He purchased the coat at a 20% DISCOUNT. How much did Ed

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Answer:

6. c. 120

7. $6.45

Step-by-step explanation:

1. 150 x 0.20 = 30