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finlep [7]
3 years ago
15

There are 18 girls in mr.brimleys class. If 60 percent of the students are girls how many students are in mr.brimley’s math clas

s?
Mathematics
1 answer:
emmainna [20.7K]3 years ago
8 0

Answer:

30 students in the class.

Step-by-step explanation:

There are several which in which we can approach this question:

We can do this question using direct proportion.

"If 18 girls represent 60%, how many students represent 100%?"

18

60

=

x

100

x

=

18

×

100

60

30

students altogether.

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A list of measurements in increasing order is 4, 5, 6, 8, 10, and x. If the median of these measurements is 6/7 times their arit
igomit [66]

Answer:

The value of x would be 16.

Step-by-step explanation:

In a data,

Median : middle value of the data when the data is written is ascending order.

While,

\text{Average}=\frac{\text{Sum of all observations}}{\text{Number of the observations}}

Here, the given data is,

4, 5, 6, 8, 10, and x

So, median =  =  = 7.

Number of the observations = 6,

Sum of the observations = 4+ 5+6+8+10+x = 33 + x

Thus,

Average = \frac{33+x}{6}

According to the question,

\frac{33+x}{7}=7

33+x=49

x=49-33

x=16

Therefore, the value of x would be 16.

3 0
3 years ago
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sp2606 [1]

Answer:

A =  -10

Step-by-step explanation:

Combine multiplied terms into a single fraction find common denominator etc etc.

6 0
2 years ago
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Answer:

10

Step-by-step explanation:

6 0
3 years ago
Can someone just please explain why in PEMDAS for example: 6 + 9 ÷ 3 × 7. Why do you do the division (9/3) before the multiplica
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Because is division is before multiplication you have to do division even though the m is before d.
7 0
3 years ago
What is the length of line segment FE?
Jobisdone [24]

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