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Gwar [14]
3 years ago
11

Elizabeth wants to change cell phone plans. Before contacting the service provider, she makes a table of her cell phone minutes

used over the course of a week.
Monthly Water Bills
Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec
$40 $42 $40 $38 $48 $50 $58 $62
$62 $56
$56 $46
$46 $44 $44
Round the following value
to the nearest minute.

Mathematics
1 answer:
ad-work [718]3 years ago
8 0

Answer:

  • 43 minutes
  • $47

Step-by-step explanation:

<u>1. Cell phone usage</u>

Mon to Sun = 38, 62, 40, 10, 30, 55, 65

  • Mean = (38+62+40+10+30+ 55 + 65)/7 = 43 minutes rounded

<u>2. Water bills</u>

Jan to Dec = $40 $42 $40 $38 $48 $50 $58 $62  $56 $46  $44 $44

  • Mean = (40+42+40+38+48+50+58+62+56+46+44+44)/12 = $47 rounded

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Which of the following sets of ordered pairs represents a function
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Answer: A

Step-by-step explanation:

Each value of x maps onto only one value of y.

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Find y, if x = 60.<br> A) 30° <br> B) 35° <br> C) 40° <br> D) 45°
MArishka [77]
The answer is 30°.
Rule: All three sides must add up to 180
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I hope I helped!
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Alex was trying to guess the month of her brother's birthday? She knew that the
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Answer:

16.67

Step-by-step explanation:

2/12

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3 years ago
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A rectangular poster is 3 times as long as it is wide. A rectangular banner is 5 times a long as it is wide. Both the banner and
deff fn [24]

Answer:

The answer to your question is

a) Poster             width = 3 in

                            lenght = 9 in

b) banner

                           width = 2 in

                           lenght = 10 in

Step-by-step explanation:

a) For the poster

   width = x

   lenght = 3x

Perimeter of a rectangle = 2base + 2 height

                                         = 2(x) + 2(3x) = 24

                                         2x + 6x = 24

                                         8x = 24

                                           x = 24/8

                                           x = 3

    width = 3 in

     lenght = 3(3) = 9 in

b) For the banner

    width = y

    lenght = 5y

Perimeter of a banner = 2 base + 2 height

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                                        2y + 10y = 24

                                        12y = 24

                                           y = 24/12

                                           y = 2

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7 0
3 years ago
What is the value of x?
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Answer:

72

Step-by-step explanation:

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Substitute the values for RQS and KLM:

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2x = 144 -->

x=72

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3 years ago
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