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MakcuM [25]
3 years ago
15

Molly read 75 pages in 45 minutes what's her unit rate

Mathematics
2 answers:
olga55 [171]3 years ago
6 0
Hey there,
So we know that Molly read 75 pages in 45 minutes
We need to find the unit rate so we have to divide 75 by 45

75/45=1.6 repeating so approximately <span />
stiv31 [10]3 years ago
5 0
So unit rate is usually ( units of work) per (1 unit of time)
so 75 per 45
75/45
divide
75/45=5/3=1.666/1
her unit rate is 1.666 pagest per minute
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Answer:

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Step-by-step explanation:

We are given: three times a number is greater than or equal to 12 and less than 21

We need to answer following questions:

1) The inequality translated in numerical form

Let number = x

12 ≤ 3x < 21

2) Your work solving the inequality

We need to find value of x. Divide the inequality by x

4 ≤ x < 7

3) The solution graphed on a number line

It is shown in figure attached.

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The set notation is: Considering x belongs to natural numbers N

{∀ x|x∈N, 4 ≤ x < 7}

5) The solution in interval notation

The interval notation is: [4,7)

because we have 4 less than equal to x and x is less than 7

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