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Reika [66]
3 years ago
8

After 4new students joined a class the class had 32students which equation can be used to find n the number of students in the c

lass before the 4new students joined
Mathematics
1 answer:
Pani-rosa [81]3 years ago
3 0

Answer:

n+4=32 is the answer

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Convert the rational number below to a decimal. Round to the nearest hundredth when necessary. 3/5
Gekata [30.6K]

Answer:  0.6

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In the fairest school 70% are below 16 years old 1/3 are teachers which is equals to = 21 Let’s start solving: => 1/3 of 100% => 100 / 3 = 33.33% thus 33.33% = 21 => 21 x 3 = 63, is the total number of people in the school. Let’s try solving the number of people below 16 years old Have you notice that you are asking for a 70% of students but there are already 33.33% of teacher. Thus your given problem is not right already. => 100% - 33.33% = 66.67% that’s the only remaining percentage and not 70% => 63 * .6667 = 42.0021 Thus, there are around 42 people who are 16 years old younger.
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3 years ago
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3 years ago
18.) Which expression is equivalent to -6x + 7.5?
nydimaria [60]

Answer:

D

hope this helped:)

4 0
2 years ago
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IceJOKER [234]

Answer:

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The frequency column gives the number of houses in the sample, then

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