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3 years ago

David hikes 60 miles in 3 days. At that rate, how many days does it take him to hike a total of 240 miles?

Mathematics

2 answers:

Marina CMI [18]3 years ago

7 0

Answer: 12 days

Step-by-step explanation: so since David hikes 60 miles in 3 days and for 240 miles we have to divided 240 by 60 and multiply 3 by how many miles we got by dividing 240 by 60 so 240 divided by 60=4 and 3 days x 4 days= 12 days so the answer is 12 days. Please mark me brainliest.

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IgorLugansk [536]3 years ago

4 0

Answer:

It will take him 12 days to hike 240 miles.

Step-by-step explanation:

240 - 60 = 4

4 * 3 = 12

12 days

Hope this helped! Have a nice day! Plz mark as brainliest!!!

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five years ago, sarah's aunt was 4 times older than sarah. if sarah's aunt is 42 years older then sarah, then sarah, how ols is

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Answer:

Therefore, Sara’s current age (5 years later) is 19 years old.

Step-by-step explanation:

Let xx be Sara’s age five years ago. Therefore, Sara’s aunt’s age 5 years ago is 4x4x.

The difference in their ages is a constant, no matter how many years have gone by. (Can you see why?)

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2 years ago

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3 years ago

Find the domain and the range of the relation. Determine whether the relation is a function.

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It is not a function with domain as { 9 / 2 , 0} and range as {1 / 4, -4, 6}.

We are given a relation:

{(9 / 2, 1 / 4),(4 1 / 2, -4),(0, 5 / 6)}

We can also write it as:

{(9 / 2, 1 / 4),(9 / 2, -4),(0, 5 / 6)}

The domain of the relation will be:

Domain = { 9 / 2 , 0}

The range of the relation will be:

Range = {1 / 4, -4, 6}

We know that every function can be a relation but every relation cannot be a function.

A relation means the connection between the input and the output.

A function means that for every input there should only be one output.

Here, this relation is not a function because:

The input 9 / 2 has 2 outputs as 1 / 4 and -4 which is not possible in a function.

Therefore, we get that it is not a function with domain as { 9 / 2 , 0} and range as {1 / 4, -4, 6}.

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1 year ago

There are approximately Pi times 10,000,000 seconds in one ____?

MissTica

The number of seconds in a year are 31,557,600 seconds, which gives;

There are approximately Pi times 10,000,000 seconds in one year.

<h3>How can the given statement be completed?</h3>

The number of seconds in one day = 86,400

The number of seconds in one week = 604,800

The number of seconds in a year = 31,557,600

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$\mathbf{\dfrac{The \ number \ of \ seconds \ in \ a \ year}{10,000,000}} = 3.1557600 \ which \ is \ close \ to \3.14159 \approx \pi$

Which gives;

The number of seconds in a year ≈ π × 10,000,000

The completed statement is therefore;

There are approximately Pi times 10,000,000 seconds in one year

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