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Marizza181 [45]
2 years ago
10

At a certain college, there were 700 science majors, 300 engineering majors, and 500 business majors. If one student was selecte

d at random, the probability that the student is an engineering major is
Mathematics
1 answer:
andrey2020 [161]2 years ago
3 0

Answer:

300/1500, 1/5, or 20%

Step-by-step explanation:

There are 1500 students total, but only 300 engineering students. We can represent this as a fraction: 300/1500. When reduced it comes out to 20%.

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A unicorn daycare center requires there to be 2 supervisors for every 18 unicorns.
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Answer: The number of supervisors are 9 times the number of unicorns.

Step-by-step explanation:

Let the number of supervisors be 'n'.

Let the number of unicorns be 'u'.

According to question, a unicorn daycare center requires there to be 2 supervisors for every 18 unicorns.

So, Mathematically, it is expressed as

\dfrac{n}{u}=\dfrac{2}{18}\\\\\dfrac{n}{u}=\dfrac{1}{9}\\\\9n=u

so, we established the relationship between the number of supervisors and number of unicorns.

Hence, the number of unicorns are 9 times the number of supervisors.

5 0
3 years ago
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In the expression 3y•10 what is coefficient
sertanlavr [38]

Answer:

3

Step-by-step explanation:

A coefficient is a numerical factor that contains a variable.

In this case, 3 is a numerical factor and contains a variable (y).

Hence,

3 is the coefficient of the expression.

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3 years ago
Which of the following statements must be true about this diagram
serg [7]
A B D and F must be true
7 0
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The cost of 5 kg of potatoes is £3.20
Tom [10]

Answer:

12kg=7.68

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Step-by-step explanation:

I found the cost per kg

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I would most likely go with C.
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