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timurjin [86]
4 years ago
14

Which number produces a rational number when added to 0.3?

Mathematics
1 answer:
Afina-wow [57]4 years ago
6 0

Basically you need to find the answer choice that is rational. That way the sum will also be rational.

√7 is irrational as well as π and 0.5050050005...

2/4 is the only rational option.

answer: D

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What was the hiker's average speed for the entire hike? :D (Image attached) (I mark Brainliest Answers!)
Wewaii [24]
     Using the Definition of average speed, we have:

\Delta v=  \frac{\Delta S}{\Delta t}  \\ \Delta v= \frac{(4+6+4+6)}{12-9}  \\ \Delta v= \frac{20}{3}  \\ \boxed {\Delta v=6,7 km/h}

Obs: approximate results

Letter D

If you notice any mistake in English, please let me know, because I'm not native.
3 0
3 years ago
Read 2 more answers
The first term of an arithmetic sequence is -3 and the fifteenth term is 53. What is the common difference of the sequence?
sertanlavr [38]

Answer:

<h2>        C)  4</h2>

Step-by-step explanation:

The nth term of arithmetic sequence is   a_n=a_1+d(n-1)

So:

    a_{15}=a_1+d(15-1)\\\\53=-3+14d\\\\56=14d\\\\d=\dfrac{56}{14}=4

5 0
3 years ago
What gives the value of this expression -20/-4+(-15) (-2)
kompoz [17]

Answer:

\frac{-20}{-4+(-15)(-2)} = \frac{-10}{13}

Step-by-step explanation:

Given expression

           =  \frac{-20}{-4+(-15)(-2)}

           =  \frac{-20}{-4+30}

          = \frac{-20}{26}

         = \frac{-10}{13}

\frac{-20}{-4+(-15)(-2)} = \frac{-10}{13}

8 0
3 years ago
Your middle school is having a fall carnival. Admission into the carnival is $3 and each game inside the carnival costs $.25. Wr
Setler [38]
<span>B) 0.25x + 3 ≤ 10; 28 
because you can still play your 28th game if you only have $10.</span>
7 0
3 years ago
Can someone help I gotta do this quick.
zubka84 [21]

Answer:

Domain 7 doent belong bc it is a y value

Range 10 doesnt belong bc it is a x value

Step-by-step explanation:

4 0
3 years ago
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