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lyudmila [28]
3 years ago
10

Karl bought 3 and 1/2 gallons of milk that cost $2.70 per gallon.

Mathematics
2 answers:
Vesna [10]3 years ago
5 0

Answer:

9.45

Step-by-step explanation:

3.5 x 2.7 = 9.45

Elena L [17]3 years ago
4 0

Answer:

Step-by-step explanation:3 1/2 gallons = 3.5

if it costs $2.70 per gallon then you can do

2.70*3.5 = 9.45

it will cost $9.45 for 3 1/2 gallons

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A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only
makvit [3.9K]

Answer:

The sample size is  n = 3139    

Step-by-step explanation:

From the question we are told that

   The margin of error is  E = 0.02

From the question we are told the confidence level is  97.5% , hence the level of significance is    

      \alpha = (100 - 97.5% ) \%

=>   \alpha = 0.025

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } = 2.241

Generally we will assume the sample proportion to be \^ p = 0.5

Generally the sample size is mathematically represented as  

    n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )

=>  n = [\frac{2.241}{0.02} ]^2 *0.5 (1 - 0.5 )

=>  n = 3139    

   

7 0
2 years ago
Which number produces an irrational number when added to 0.4?
ivanzaharov [21]
Any number that is irrational, such as
0.4 + pi because pi is an irrational number.
6 0
3 years ago
Read 2 more answers
Answer ASAP I needs this like asap
jonny [76]

Answer:

1. 84 in

2. 300 ft

3. 2500 cm

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8. 4.375 c

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10. 6000 mg

11. 48

12. 80000 lbs

13. 1.5 m

14. 1500 mm

15. Dan's phone is 157 millimeters long. How many inches is this? 5

Step-by-step explanation:

3 0
3 years ago
Add: 7,288 + 6,627 + 4,515
PIT_PIT [208]
18,430! I hope this helps you out!
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3 years ago
The 6% state income tax on a $42.00 salary​
prisoha [69]

Answer:

75 cents

Step-by-step explanation:

5 0
2 years ago
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