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emmainna [20.7K]
2 years ago
5

Which are the better statistics to use to compare the school class sizes?

Mathematics
1 answer:
galina1969 [7]2 years ago
8 0

Answer:

C

Step-by-step explanation:

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The sum of the first 8 terms of a geometric sequence with 4 as the first term and a common ratio of 3 is ​
ki77a [65]

9514 1404 393

Answer:

  13120

Step-by-step explanation:

The sum of terms of a geometric series is ...

  Sn = a1·(r^n -1)/(r -1)

You have n=8, a1=4, r=3, so the sum is ...

  S8 = 4·(3^8 -1)/(3 -1) = 2(3^8 -1) = 13,120

7 0
3 years ago
Read 2 more answers
What is 10.059 rounded to tenths
gladu [14]
110.059 rounded to the tenths is 10
7 0
3 years ago
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Is this a true or false equation? -5(3-9) 4 = 5q - 11
tino4ka555 [31]
<span>yes it is a true equation.. you can solve it to find q ...
 
-5(3-9) 4 = 5q - 11
</span><span>−5 *−6 * 4= 5q−11</span><span>120 = 5q−11
120 + 11 = 5q
131 = 5q
 q = 131/5 
in decimals q = </span><span> 26.2 ..
</span><span>
Hope it helps!!!!

</span><span>

</span>
8 0
3 years ago
The outside of a picture frame measures 14 in and 20 in 196in^2 of the picture shows find the thickness of the frame
LuckyWell [14K]
The described picture frame can be visualized into two separate parts. The first area is equal to the area using the outermost dimensions for the length and width. 
             Area = Length x Height
              Area = (20 in) x (14 in) 
              Area = 280 in²

We are given that the area is only equal to 192 in². We subtract this value from the computed area.
         Difference = 280 in² - 192 in²
               difference = 88 in²

This area is equal to the area of the hollow space inside the frame. That is equal to,
      height = 20 in - 2x
      length = 14 in - 2x

The area,
               88 = (20 - 2x)(14 - 2x)

Simplify the right hand side of the equation.
             88 = 280 - 68x + 4x²

Divide the equation by 4,
            22 = 70 - 17x + x²

Transposing,
                x² - 17x - 48 = 0
The factors of the equation is 58.2. 

Thus, the thickenss is equal to 58.2 in
5 0
3 years ago
Elmer has a collection of 300300300 fossils. Of these, 21\%21%21, percent are fossilized snail shells.
aleksandrvk [35]
I believe that they typo meant 300 fossils of which 21% are snail shells.

Since % means per one hundred...

300(21/100)=63

Elmer has 63 fossilized snail shells.
3 0
3 years ago
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