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ad-work [718]
2 years ago
6

A sphere is cut into 8 congruent pieces. The radius of the sphere is 8 centimeters. One piece is shown in the diagram. What is t

he surface area of one piece of the sphere, as shown in the diagram? Express the answer in terms of π. 64π cm2 80π cm2 256π cm2 384π cm2
Mathematics
2 answers:
mash [69]2 years ago
7 0

Answer:

B. 80pi cm^2

Step-by-step explanation:

fomenos2 years ago
4 0

Answer:

Option number 2

Step-by-step explanation:

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Tickets to a musical cost $30 for adults and $12 for children. At one particular performance 960 people attended and $19 080 was
postnew [5]
In order to solve this, you have to set up a systems of linear equations.

Let's say that children = c and adults = a

30a + 12c = 19,080
a + c = 960

I'm going to show you how to solve this system of linear equations by substitution, the easiest way to solve in my opinion.

   a + c = 960 
       - c    -    c
 ---------------------- ⇒ Step 1: Solve for either a or c in either equation.
   a = 960 - c 



20(960 - c)+ 12c = 19,080
19,200 - 20c + 12c = 19,080
   19,200 - 8c = 19,080
 - 19,200         - 19,200
---------------------------------- ⇒ Step 2: Substitute in the value you got for a or c
         8c = -120                    into the opposite equation.                                                
       ------  ---------
          8         8
 
         c = -15



30a + 12(-15) = 19,080
   30a - 180 = 19,080
          + 180  +     180
 -------------------------------
   30a = 19,260
  -------   -----------
    30          30
     
       a = 642
__________________________________________________________

I just realized that there can't be a negative amount of children, so I'm sorry if these results are all wrong. 


7 0
2 years ago
Read 2 more answers
In 2015, in Buffalo, New York, there were 8,625 arrests, 2,678 robberies, 865 assaults, and 20 murders. The population of Buffal
m_a_m_a [10]
I'm pretty sure simplest form would still be 865:2678
I could be wrong tho
6 0
2 years ago
Read 2 more answers
The conditional relative frequency table was generated using data that compared the cost of one ticket for a performance and the
Schach [20]

Answer:

Maybe its A

Step-by-step explanation:

95%sure

7 0
2 years ago
Read 2 more answers
Which inference is true?
Musya8 [376]

Answer:

The answer is c

I just answered the question on edunity

8 0
2 years ago
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Scott wanted to bjy a sofa which originally cost $500.Store A was selling it for 20% off plus 6.5% sales tax.Store B was selling
USPshnik [31]

Answer:

Store A offers the least amount for the sofa

Step-by-step explanation:

Cost of sofa =$500

For store A

Discount =20% off

The amount of the discount is

=20/100*500

=0.2*500

=$100

6.5% sales tax

The amount of tax is

=6.5/100*500

=0.065*500

=$32.5

Total cost of the sofa

=500-100+32.5

=400+32.5

=$432.5

For store B

Discount =30% off

The amount of the discount is

=30/100*500

=0.3*500

=$150

Shipping fee $85

Total cost of sofa

=500-150+85

=350+85

=$435

3 0
2 years ago
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