Write at least four rational numbers between -2/5 and -1/3.

Mathematics

2 answers:

castortr0y [4]2 years ago

7 0

Answer: -3/5, -1/2, -7/12, -6/11

OleMash [197]2 years ago

4 0

Answer:

-0.34, -0.35, -0.36, -0.37

Step-by-step explanation:

A rational number can be any number, negative or positive, so long as if the decimals (if any) terminate at some point or at least repeats itself.

- $\frac{2}{5}$ = -0.4

- $\frac{1}{3}$ = -0.333_ (This means that the digit "3" is repeated forever)

Thus, the possible rational numbers can be:

-0.34

-0.35

-0.36

-0.37

-0.38

-0.39

You can even write decimals like -0.334 since it is bigger than -0.333_ but smaller than -0.4.

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Sarah started 3 miles below the rim of the canyon and hiked until she was 8 miles above the rim. Her brother Sam said she hiked

larisa86 [58]

Answer:

Step-by-step explanation:

We can assume that the rim of the canyon is 0. Sarah started 3 miles below, so -3, BUT distance can never be negative, so it's considered 3 miles. Then, she went 8 miles above zero. So the 3 miles she went before reaching the rim plus the 8 miles she went after reaching the rim equals 11 miles.

So now we know that Sarah is right, but how do we know which equation is correct? Well, if we look at option C:

$|-3+8|=11$

When solving absolute value, we solve everything within the absolute value before applying the absolute value. This means that we add -3+8 first, which equals 5, and then apply absolute value, which still equals 5. This equation is not correct.

I hope this helps!

3 0

3 years ago

Read 2 more answers

How can you determine if a number is a rational number?

FinnZ [79.3K]

A rational number is a number that can be written as a ratio. That means that it can be written as a fraction. The numerator and the denominator both need to be whole numbers for it to be rational. For example, 2 is a rational number because it can be written as the fraction 2/1.

8 0

2 years ago

Last question I swear

kirza4 [7]

Answer:

y = 3

Step-by-step explanation:

Subtract 11 from both sides to get:

2y = 6

Then divide both sides by 2 to isolate y:

y = 3

3 0