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stepan [7]
3 years ago
6

Jenny surveyed 40 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Ano

ther 25% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?
A 12
B 22
C 30
D 32
Mathematics
1 answer:
Leno4ka [110]3 years ago
7 0
C.) 30 since they both have 5's just take them out then subtract 50 and 20 *but make sure u take out the decimal though* so after u subtract u will get 30 then line it up and put the decimal back then it will be .30
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Please answer asap thanks.
Hitman42 [59]

Answer:

94cm²

Step-by-step explanation:

S = 2(lw + lh + wh)

=2(20+15+12)

=40+30+24

=94cm²

Hope this helps! Can u give me brainliest, please:)

7 0
1 year ago
Read 2 more answers
Solve the following equation. Then place the correct number in the box provided.
solong [7]
X should be 7 after doing all the calculation.
5 0
3 years ago
Please help! Correct answer only!
goldfiish [28.3K]

Answer:

$15

Step-by-step explanation:

Since there are 10 cards and a total possible prize of 30 dollars, the probability for each one is 30/10=3 dollars. And since 5 out of the 10 are even, you can multiply the individual amount by 5 to get a total estimated payout of $15. Hope this helps!

7 0
3 years ago
Solve this system of equations by any method.<br> 5x + y = -13<br> 4x + 3y= -17
irga5000 [103]
5x + y = -13.....multiply by -3
4x + 3y = -17
-----------------
-15x - 3y = 39 (result of multiplying by -3)
4x + 3y = -17
-----------------add
-11x = 22
x = -22/11
x = -2

5x + y = -13
5(-2) + y = -13
-10 + y = -13
y = -13 + 10
y = -3

solution (-2,-3)
5 0
3 years ago
There were 12 giris on the basketball team.3 of them scored over 10 points in the game, What fraction represents the number of t
Katena32 [7]

Answer:

3/12

Step-by-step explanation:

OR:

14 is equivalent to 3/12 because 1 x 12 is the same as 4 x 3. They both equal 12. 28 is equivalent to 3/12 because 2 x 12 is the same as 8 x 3. They both equal 24.

3 0
3 years ago
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