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svlad2 [7]
3 years ago
11

Which two of the following are not characteristics of surveys?

Mathematics
1 answer:
OLEGan [10]3 years ago
4 0

Answer: A. The study compares two or more treatments (possibly including "no treatment").  

               C. The study involves one or more treatment groups and a control group.

Step-by-step explanation:

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The coldest surface temperature on the Moon is 57 degrees colder than twice the coldest surface temperature on Earth. What is th
german
28.5  is the coldest surface temperature on Earth
5 0
3 years ago
Parking lot has 121 spots. Ratio of senior to junior is 7 to 4. How many spots go to each grade level?
Andrej [43]
I am going to build a chart this is best when using ratios 

              seniors    junior  total
                 7              4       
                 *?             *?     *?
    Totals                          121   

The way we fill out this chart is that we add the rows and multiply the columns. 

So we add 7 + 4 and fill it in our chart we get 11 

            seniors    junior  total
                 7              4       11
                 *?             *?     *?
    Totals                          121   

now to find the *? need to divide 121/11 to get *?

121/11 = 11

so now our chart looks like this 
            seniors    junior  total
                 7              4       11
                 11            11     11
    Totals                          121   

Now we multiply each column 

so
7 * 11  = 77
 4*11 = 44

now our chart look like this 

            seniors    junior  total
                 7              4       11
                 11            11     11
    Totals     77           44      121   

so seniors get 77 spaces 
and juniors get 44 spaces. 

6 0
2 years ago
Helpppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
miv72 [106K]

Answer:

$7.56

Step-by-step explanation:

They sell it in $2.25 per kg

Hamburger: cost

      1 kg      :  2.25

      3.4       :   7.56

1 x 3.4= 3.4

so, 2.25 x 3.4= 7.56

6 0
2 years ago
What is 1 1/8 as a decmia
tensa zangetsu [6.8K]
Do you mean as a decimal? 11.8
8 0
3 years ago
Rylee is baking cupcakes for a bake sale. She spends $35 on supplies and she plans to sell the cupcakes for $2.50 each. How many
Setler [38]

Answer:

44 cupcakes

Step-by-step explanation:

Since she spent $35, and she wants to profit $75, she needs to make $110.

110/2.5 = 44

6 0
3 years ago
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