What is 81/3 minus 65/6

2 answers:

8 0

8 1/3-6 5/6
convert both into an improper fraction
8 1/3=25/3
6 5/6=41/6
convert 25/3 to a fraction with a base of 6: 50/6
50/6-41/6=9/6
9/6 simplifies into 3/2

const2013 [10]2 years ago

3 0

9/6 or simplified is 3/2

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2x – 4y = 14<br> x = 2y – 2<br><br> What is the solution to the system?

AVprozaik [17]

Answer:

No Solution.

Step-by-step explanation:

2x-4y=14

x=2y-2

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2(2y-2)-4y=14

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Answer:

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What is 8y=23+3x divided by 8?

arsen [322]

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3 years ago

Two children own two-way radios that have a maximum range of 3 miles. One leaves a certain point at 1:00 P.M., walking due north

Grace [21]

Answer:

The answer is 21 minutes

Step-by-step explanation:

We use the equation Xf = Xo + vt

1) At 1:00 PM, child one leaves the starting point heading north at a constant velocity of 6 mi/hr or .1 [mi/min] (divide by 60 to convert from [mi/hr] to [mi/min])

2) He walks for 15 minutes before kid 2 starts walking. In 15 minutes he is able to cover 1.5 [mi]

$x_{1f1} =x_{o} +v_{1} t_{1} \\x_{1f1} =0+.1(15)\\x_{1f1} =1.5 [mi]$

3) Now, child 2 starts walking and we know that when the range reaches 3 miles, they won´t be able to communicate. So the sum of the final position of child 1 and child 2 must be 3[mi]