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Aleksandr [31]
2 years ago
8

QUICK is -1 1/2 a rational number?​

Mathematics
1 answer:
Alina [70]2 years ago
4 0

Answer:

Yes it is

Step-by-step explanation:

A rational number is any integer, fraction, terminating decimal, or repeating decimal.

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Help please. Just need to answer 29-31 then I’m done. Thanks
Free_Kalibri [48]

Answer:

29. See table below

30. See attached graph

31. The slope is m= 0.10

The slope represent the cost for every additional call minute.

Step-by-step explanation:

The cost is $0.5  first minute and $0.10 for any additional minutes

If c is the total cost of a call that last t minutes then;

c= 0.10t + 0.5-----where t is the time the call lasted

29. Use the equation above to create the table as;

t {x}            c{y}

1                  0.6

2                 0.7

3                 0.8

4                 0.9

5                 1.0

6                 1.1

The graph of this plot is as attached , where the coordinates are

{1,0.6} , {2,0.7} ,{3,0.8} ,{4,0.9} ,{5,1.0}, {6,1.1}

The slope can be found using the formula;

m=Δy/Δx

m= 1.1 - 0.6 / 6-1

m= 0.5 / 5 = 0.10

The slope represent the cost for every additional call minute.

5 0
2 years ago
If the average (arithmetic mean) of 2, 7, and x is 12, what is the value of x?
posledela

Answer:

27. (2+7+27=36 36÷3=12) 36=total of the three numbers, 3=Amount of numbers, 12=Average

5 0
3 years ago
What is the equation of the line that passes through the point (-5, 7)<br> and has a slope of –1/5?
Snowcat [4.5K]
The equation is y = -1/5x + 6
8 0
3 years ago
Ann is grouping 38 rocks se can put them into Groupon of 10 rocks or as single rocks. What are the difierent ways Ann can Groupo
exis [7]
She could switch them around by grouping them into groups of 4s, 3s, 2s, or 5s.
5 0
3 years ago
25 pints of apple juice are poured into 3/4 pint bottles, how many bottles are filled
Westkost [7]

Answer:

33 1/3

Step-by-step explanation:

25/1 * 4/3 =

100/3 = 33.3... or 33 1/3

6 0
2 years ago
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