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Hatshy [7]
3 years ago
12

6. What is the product of 3/5 x 2 1/3 written in simplest form?

Mathematics
1 answer:
Maslowich3 years ago
3 0
3/5 x 2 1/3.....turn mixed number to improper fraction
3/5 x 7/3 = 21/15 reduces to 7/5 or 1 2/5
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Shalnov [3]

Answer:

-44

Step-by-step explanation:

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Convert 450 MPa to psi. Note: 1 MPa = 145 psi.
Nastasia [14]

Answer:

65250 psi

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Bags of pretzels are sampled to ensure proper weight. The overall average for the samples is 9 ounces. Each sample contains 25 b
77julia77 [94]

Answer:

The value is UCL  =  10.8  

Step-by-step explanation:

From the question we are told that

    The sample mean is  \= x  =  9 \  ounce

    The sample size is  n =  25

    The standard deviation is  \sigma =  3 \ ounce

Given that the sample size is not large enough i.e  n<  30  we will make use of the student t distribution table  

From the question we are told the confidence level is  99.7% , hence the level of significance is    

      \alpha = (100 -99.7 ) \%

=>   \alpha = 0.003

Generally the degree of freedom is  df =  n- 1

=>  df =  25 - 1

=>  df =  24  

Generally from the student t distribution table the critical value  of  \frac{\alpha }{2} at a degree of freedom of df =  24   is  

   t_{\frac{\alpha }{2} , 24 } = 3.0

Generally the margin of error is mathematically represented as  

      E = t_{\frac{\alpha }{2} , 24} *  \frac{\sigma }{\sqrt{n} }

=>     E = 3.0 *  \frac{3 }{\sqrt{25} }

=>     E =1.8

Gnerally the  upper control chart limit  for 99.7% confidence is mathematically represented as

         UCL  =  \= x  + E

=>      UCL  =  9 + 1.8  

=>      UCL  =  10.8  

     

4 0
2 years ago
Find the volume of a sphere whose surface area is 1256 sq.cm (Take π = 3.14)<br>​
Alekssandra [29.7K]

Curved surface area of a sphere =1256 cm

2

We know that, Curved surface area of a spehre =4πr

2

⟹1256=4×3.14×r

2

⟹r

2

=

4×3.14

1256

⟹r

2

=100

∴r=10 cm

Hence, the answer is 10 cm.

4186.66666666 volume of sphere

6 0
3 years ago
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A small plane is 20 miles due north of the airport. a jet at the same altitude as the plane is 64.5 miles west of the airport. t
podryga [215]

okay realize that the distance traveled by the small plane, distance traveled by jet, and the distance between them makes a right triangle. Using Pythagorean theorem and allowing x be the distance between them, x² = (20 miles)² + (64.5 miles
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3 0
3 years ago
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