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xxTIMURxx [149]
3 years ago
10

Pls help Pls help Pls help

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
4 0

Answer:

Green) 24in

Yellow) 31in

Blue) 27in

Step-by-step explanation:

Just add each number of the one shape.

To find the Area:

Multiply each number

To find Perimeter:

Add each number

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There are 30 students in a class that took a test. The average grade of 10 students was 80. The other 20 students average was 89
Vsevolod [243]
10 students averaged 80, so the sum of their scores was (10 x 80) = 800

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All together, the sum of all 30 scores was (800 + 1,780) = 2,580

30 students totaled 2,580, so their average was  (2,580 / 30)  = <em> 86</em> .
6 0
3 years ago
A radio is being discounted 20%. If the sale price is $51.44, what was the original price of the radio? A. $12.86, B. 64.30, C.
katrin2010 [14]
The equation for decreasing a price by 20% is 
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Here, we can fill in the sale price so
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7 0
3 years ago
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inysia [295]

Answer:

x+y

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3 0
2 years ago
Simplify this expression <br> 2/3 (6c+9)−(8c−5)
Ludmilka [50]

Answer:

This is the right answer −4c+11

Step-by-step explanation:

3 0
2 years ago
Help a person out would ya...no links
Sati [7]

Answer:

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