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nevsk [136]
3 years ago
15

Kim surveyed 80 students at her school and found that 0.65 of the students she surveyed said their favorite class is math. Anoth

er 15% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?
12
15
28
40
Mathematics
2 answers:
cluponka [151]3 years ago
6 0

Answer:

The answer is 40

Step-by-step explanation:

I got it right in the test. Hope this helps :)

belka [17]3 years ago
5 0
The answer is 40. Hope this helps :)
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Point E has the same y-coordinate as point D, but the x-coordinate of point E is the opposite of the x-coordinate of point D.
SVEN [57.7K]

Answer:

the correct one is d

Step-by-step explanation:

so out 9

6 0
3 years ago
If measure 5 = x, which angles have a measure of 180 - x? select all that apply
N76 [4]

Answer:

Step-by-step explanation:

175 is the answer I don’t feel like working it out

8 0
3 years ago
30 divide by 6 equal what
Lady bird [3.3K]
30 divided by 6 is 5
5 0
3 years ago
Jen Butler has been pricing​ Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 132.
laiz [17]
Let a=price of adult ticket
let c=price of a child's ticket
start out by writing the following system of equations:
3a+4c=132
2a+3c=94
then, multiply the first equation by 2, and the second equation by 3 to get the following system of equations:
6a+8c=264
6a+9c=282
subtract the like terms to get the following equation:
-c=-18
divide both sides by -1 to get rid of the negative to get the price of a child's ticket to be $18. to find the price of an adult ticket, pick one of the original equations to substitute the 18 in for c to find a. for example:
2a+3c=94
2a+3(18)=94
2a+54=94
-54 -54
2a=40
2 2
a=20

or if you decide to use the other equation:
3a+4c=132
3a+4(18)=132
3a+72=132
-72 -72
3a=60
3 3
a=20
either way, you still get an adults ticket to be $20 and a child's ticket to be $18.
8 0
3 years ago
How to find the probability of this? Please explain <br><br> Thanks!
Inessa05 [86]

Answer:

3/4

pick 1,3,5 (reds) from 1,3,5,7(odd-numbered)

4 0
3 years ago
Read 2 more answers
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