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notka56 [123]
3 years ago
7

Ariel has already spent 79 minutes on the phone and she expects to spend 4 more minutes with every phone call she routed. In all

, how many phone calls does Ariel have to route to spend a total of 131 minutes on the phone.
Mathematics
1 answer:
arlik [135]3 years ago
6 0

Answer:4

Step-by-step explanation:

1)  So the question is asking you how much phone calls you will need to get 131 minutes

2)now that you know that,you will have to divide 131 by 4 which is 32.75

3)so now you know that 32.75 is the unit rate so you will have to divide 131 minutes by 32.75

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7x²=28 I'm not sure about how to do thus problem
OverLord2011 [107]
7x^{2} = 28

x^{2} =  \frac{28}{7}

\frac{28}{7} = 4

x^{2} = 4

x = 2 or  x = -2

<u>______________________________________
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<em>-Have a nice day</em>

<em>        </em>

6 0
4 years ago
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Given the following statistics for women over the age of 50 entering our medical clinic: 1% actually have breast cancer 90% of t
vazorg [7]

Answer: 91.2%

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Of the 1% of women that have breast cancer, 90% of those are tested positive with 8% of those being false positive. 8% of 90% is 8.8% so 91.2% chance.

4 0
4 years ago
If your purchases of shoes increase from 9 pairs per year to 11 pairs per year when your income increases from $19,000 to $21,00
Leni [432]

Answer: commom resources good

Step-by-step explanation:

The question above signifies that I can't eliminate shoes from my list. To me, shoes are inexcludable. You can see that as my income increases, my purchases of shoes increase.

I chose common resources good because they are non-excludable (something difficult to eliminate), but can compete with other goods. This means that their availability to other people decreases when they are being used up.

Other types of goods besides common resources good are

- Private goods (products that are easily eliminated and rival)

-Club goods (excludable products but non rival)

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8 0
3 years ago
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Harman [31]

Answer: 0.7893g//mL

If 20 mL of ethanol (density =0.7893g//mL) is mixed with 40mL water (density = 0.9971g//mL)

Step-by-step explanation:

4 0
3 years ago
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slavikrds [6]
If 5 is a factor of the number, then its ones place is either a 5 or a zero.
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3 years ago
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