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serg [7]
3 years ago
10

Is 6.78778777 irrational?

Mathematics
1 answer:
Monica [59]3 years ago
7 0
No its not because its a repeating decimal for a number to be a irrational number it has to be non terminating or non repeating
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What is the answer??
AVprozaik [17]

Answer:

HK = 20

Step-by-step explanation:

LM = (1/2) HK          {Mid point theorem}

10x - 90 = \frac{1}{2}(10x - 80) \\

2*(10x - 90) = 10x - 80

2*10x - 2*90 = 10x - 80

20x - 180     = 10x - 80                   {add 180 to both sides}

           20x  = 10x - 80 + 180

          20x  = 10x +100              {Subtract 10x from both sides from }

     20x -10x = 100

            10x  = 100

                x = 100/10

               x = 10

HK = 10x - 80

     = 10*10 - 80

     = 100 - 80

     = 20

5 0
3 years ago
Is there a proportional relationship? A salt water solution for and aquarium calls for 35 parts of salt to 1000 parts of water t
morpeh [17]

Answer:

Yes

Step-by-step explanation:

To check proportionality :

35 α 1000

35 = 1000k

k = constant of proportionality ;

Divide both sides by 1000 to obtain k

35 / 1000 = 1000k / 1000

0.035 = k

For the ratio Given :

Ratio of 7 parts of salt and 200 parts of water

7 : 200

7 / 200

= 0.035

Since,

k = 0.035 ; 7 / 200 = 0.035

Hence, a proportional relationship exists.

7 0
2 years ago
EXPERTS/ACE/GENIUSES
cestrela7 [59]
 the answer would be C
5 0
3 years ago
Traveling at 65 miles per hour, how many minutes, rounded to the nearest whole number, does it take to drive 125 miles from San
telo118 [61]
It should take 115 minutes
7 0
3 years ago
Read 2 more answers
Helppp I need an answer fast
laila [671]

Answer:6

Step-by-step explanation: PQRS is 2x the size of ABCD

8 0
10 months ago
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