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3 years ago

A tree diagram is helpful when finding the number of

Mathematics

2 answers:

andre [41]3 years ago

8 0

It Is Helpful Because It Help You Do Your Incomes And Outcomes

Levart [38]3 years ago

5 0

Outcomes in a sample space :)

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Given that y varies inversely with x, if y=-5 when x=-6, find x when y=-2.5.

Dmitry_Shevchenko [17]

Explanation:

If y varies inversely as x, the two variables can be represented in an equation in the form

where

is some constant.

We are given that

when

. We can plug this into the above equation to find what

is:

Based on this we can create our equation:

And then find

when

5 0

3 years ago

Do, 2(x, y)+(3,5). The point (x, y) is (1,3) (-3/2, -5/2) (-6, -10)

Fittoniya [83]

Yes this is correct, you used the right formula to answer this, good job

7 0

3 years ago

Three rational numbers between 5/31 and 6/31

Ludmilka [50]

Answer:

$\dfrac{26}{155}$ , $\dfrac{27}{155}$ , and $\dfrac{28}{155}$ .

Step-by-step explanation:

What is a rational number? By definition, a rational number can be represented as the fraction of two integers.

The goal is to find three fractions in the form $\dfrac{p}{q}$ between $\dfrac{5}{31}$ and $\dfrac{6}{31}$ .

$\dfrac{5}{31} < \dfrac{p}{q} < \dfrac{6}{31}$ .

At this moment, there doesn't seems to be a number that could fit. The question is asking for three of these numbers. Multiple the numerator and the denominator by a number greater than three (e.g., five) to obtain

$\dfrac{25}{155} < \dfrac{p}{q} < \dfrac{30}{155}$ .

Since $p$ and $q$ can be any integers, let $q = 155$ .

$\dfrac{25}{155} < \dfrac{p}{155} < \dfrac{30}{155}$ .

$\implies 25 < p < 30$ .

Possible values of $p$ are 26, 27, and 28. That corresponds to the fractions

$\dfrac{26}{155}$ , $\dfrac{27}{155}$ , and $\dfrac{28}{155}$ .

These are all rational numbers for they are fractions of integers.

6 0

3 years ago

Graph the solution...please helppp me

Olenka [21]

The slope is 2 and the y intercept is -5. Graph this line and shade above the line for the solution. :)

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4 years ago

What is the value of t? 2 3 6 8

shepuryov [24]

Answer:

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers