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katrin [286]
2 years ago
13

If postage costs $.54 for the first ounce and $.22 for each additional ounce, calculate the cost of mailing a 10-ounce envelope.

Mathematics
2 answers:
zzz [600]2 years ago
5 0

Answer:

$2.52

Step-by-step explanation:

Mass of envelope = 10 ounce

Now, it has been given that postage costs $.54 for the first ounce and $.22 for each additional ounce.

Therefore, the cost of first ounce =$ 0.54

Now, we are left with 9 more ounces. hence cost of 9 ounces should be 9×0.22 = $1.98

Therefore, total cost of mailing a 0- ounce envelope is

0.54 + 1.98

= $2.52

timofeeve [1]2 years ago
4 0
First = $ 54 Another postage = $ 22 So the cost is = ($ 54 x 1) + ($ 22 x 9) Cost = $ 54 + $ 198 = $ 252 #brainly.co.id/profil/FadhilPrawira-230178
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What is the slope of the line through ( − 5 , − 10 ) (−5,−10)left parenthesis, minus, 5, comma, minus, 10, right parenthesis and
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Answer:

3.75

Step-by-step explanation:

We have to find the slope of a straight line through points (-5,-10) and (-1,5).

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2 years ago
A teacher decides to purchase a new car and considers two options. Option one is the new Zoomba for $60,000 with an expected dep
kupik [55]

Answer:

She chose Option 2 which is a linear option, because it offers a smaller lose    

in value compared to option 1 which is an exponential option.

The final value for option 2=$32,800

Step-by-step explanation:

Option 1

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Exponential equation;

y=a(1-r)^t

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Option 2

New starfish for $40,000 with a depreciation of $200 per month for 3 years

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y=a-bt

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b=the depreciation amount per time interval=$200 per month for 3 years

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Replacing;

y=40000-(200×36)

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Initial value-Final value=(40000-32800)=$7200

Percentage of initial value lost=((Final value-Initial Value)/(Initial Value))×100

(7200/40000)×100=18%

Option 1(51.68%)>Option 2(18%) therefor Option 1 loses value at a faster rate than Option 2

She chose Option 2 which is a linear option, because it offers a smaller lose    

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