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Troyanec [42]
3 years ago
8

Write an equation that represents the following problem. There are two cell phone plans available from Cell Phones R Us company.

Plan A charges $35 a month plus $0.05 for every text message. Plan B charges $50 a month plus $0.01 for every text message. How many text messages do you need to send in order for Plan A to cost the same as Plan B?
35 + 5m = 50 + m

50 + 0.05m = 35 + 0.01m

35 + 0.05m = 50 + 0.01m

35 + m = 50 + 5m
Mathematics
2 answers:
ANTONII [103]3 years ago
7 0
If every .01=m so we have 35+5m=50+m
jarptica [38.1K]3 years ago
6 0

Answer:

c 35+0.05m=50+0.01

Step-by-step explanation:

because the person who commented said

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baherus [9]

Answer:

21.38

Step-by-step explanation:

Find the diagram attached

In order to get PS, we need to get the length of QS first

According to triangle QRS;

QS =opposite

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Using SOH CAH TOA

Tan theta = opp/adj

Tan 28 = QS/39

QS = 39tan28

QS = 39(0.5317)

QS = 20.74

Get PS

sin theta = QS/PS

sin 76 = 20.74/PS

PS = 20.74/sin76

PS = 20.74/0.9703

PS = 21.38

Hence the length of PS is 21.38

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