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levacccp [35]
3 years ago
8

Diane purchased a prepaid phone card for $15. Long distance calls cost 17 cents a minute using this card. Diane used her card on

ly once to make a long distance call. If the remaining credit on her card is $11.26, how many minutes did her call last?
Mathematics
1 answer:
tester [92]3 years ago
8 0

Answer:

22 minutes

Step-by-step explanation:

15-11.26=3.74

3.74 divided by .17 eqauls 22

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Answer:

C) $20.80

Step-by-step explanation:

1 kg of cooking oil = $6.5

1 packet of cooking oil =2/5 kg

If 1 kg of cooking oil = $6.5

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Cross Multiply

1kg × $X = 2/5kg × $6.5

$X = 13/5

$X = 2.6

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The amount she spent if she bought if she bought 8 packets of the cooking oil is calculated as:

1 packet of oil = $2.6

8 packets of oil =

$2.5 × 8

= $20.80

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7 0
3 years ago
A taxi charges a fee, plus $1.80 per mile. how far can you go for $12?
EleoNora [17]

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7 0
3 years ago
Need help<br> Question in the screenshot below<br> NO spam<br> Please show your work
Alja [10]
<h3>Answer:   x = 6</h3>

======================================================

Work Shown:

\log_{4}(x+10)+\log_{4}(x-2)=\log_{4}(64)\\\\\log_{4}\left((x+10)(x-2)\right)=\log_{4}(64)\\\\(x+10)(x-2)=64\\\\x^2-2x+10x-20=64\\\\x^2-2x+10x-20-64=0\\\\

x^2+8x-84=0\\\\(x+14)(x-6)=0\\\\x+14=0 \ \text{ or } \ x-6=0\\\\x=-14 \ \text{ or } \ x=6\\\\

Those are the possible solutions, but plugging x = -14 back into the original equation will lead to an error. So we rule x = -14 out

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3 years ago
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Answer:

Here you go.

Step-by-step explanation:

Hope this helps you!

5 0
3 years ago
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Marianna [84]
The answer is x=3. Work shown in the photo above!

3 0
3 years ago
Read 2 more answers
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