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vitfil [10]
3 years ago
9

The 20 girls in the class represented 55% of the students in the class. How many students are in the class?

Mathematics
1 answer:
inna [77]3 years ago
4 0

Answer:

There are 31 students in the class.

Step-by-step explanation:

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likoan [24]

Answer:

First Blank: 4*2 = <em><u>8</u></em>

Second Blank: 6*2 = <em><u>12</u></em>

Step-by-step explanation:

The common ratio for the right row is the number thats given on the opposite side of it's left row times 2

Hope this helps!

4 0
3 years ago
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Answer<br> (5.2 + 6.3) - 12 ÷ 2.5
sweet [91]

Answer:

-0.2

Step-by-step explanation:

5.2 + 6.3 = 11.5

11.5 - 12 / 2.5

-0.5 / 2.5

= -0.2

5 0
3 years ago
Read 2 more answers
Need help with number 19!!!
zhannawk [14.2K]
2+2a           1x4a
------           ------      
   b                b

LOL, idk if this is right, but it is how i think it should be solved


7 0
3 years ago
The slope of the line shown in the graph is ? and the y intercept of the line is ?
ohaa [14]
Pick 2 points on ur line and use the slope formula : (y2 - y1) / (x2 - x1)

(y2 - y1) / (x2 - x1)
(-9,0)....x1 = -9 and y1 = 0
(0,6).... x2 = 0 and y2 = 6
now sub
slope = (6 - 0) / (0 - (-9) = 6/(0 + 9) = 6 / 9 = 2/3 <==

ur y intercept is where ur line crosses the y axis...and that would be (0,6)....or just 6 <==

5 0
3 years ago
a class voted for either rollerblading, swimming, or biking as their favorite summer activity. if rollerblading got 21% percent
Sauron [17]

Answer:  39% voted for biking

Step-by-step explanation:

Add the other two percentages and subtract from 100

40 + 21 = 61

100 - 61 = 39

8 0
4 years ago
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