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2 years ago

Solve the system of linear equations

Mathematics

1 answer:

Vedmedyk [2.9K]2 years ago

8 0

Answer:

Infinitely many solutions.

Step-by-step explanation:

3x-3y=6

-6x+6y=-12

------------------

2(3x-3y)=2(6)

-6x+6y=-12

-------------------

6x-6y=12

-6x+6y=-12

--------------------

0=0

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I don't understand this

timama [110]

The product of 0.02 and 0.7 is 0.014. Notice the additional zero in the number 0.'0'2. Product is the total of two numbers multiplied or times (x).

This is the solution:
0.02
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So the right answer is A. 0.014.

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2 years ago

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HELP I DONT UNDERSTAND :(

dsp73

Answer:

{ 100, 125,150,175}

Step-by-step explanation:

The range is the output values

{ 100, 125,150,175}

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2 years ago

Tap A fills a tank in 4hours while B fills the same tank in 3hours. Tap C empties this tank when full in 2hours. If the tank is

boyakko [2]

Answer:

<em>It will take 12 hours to fill the tank</em>

Step-by-step explanation:

Proportions

Tap A fills a tank in 4 hours. It means each hour it fills 1/4 of the tank.

Tap B fills the tank in 3 hours. Each hour it fills 1/3 of the tank.

Tap C empties the tank when full in 2 hours. Each hour it empties 1/2 of the tank.

Each hour, the tank gets filled by:

$\displaystyle \frac{1}{4}+\frac{1}{3}-\frac{1}{2}=\displaystyle \frac{3}{12}+\frac{4}{12}-\frac{6}{12}=\frac{3+4-6}{12}=\frac{1}{12}$

Since the tank fills 1/12 of its capacity in one hour, it follows that it will take 12 hours to fill the tank

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2 years ago

3 miles 1,254 feet = how many feet

Veseljchak [2.6K]

Answer: 17,094 feet

Step-by-step explanation:

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iren [92.7K]

Answer:

y = 6x - 47

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Step-by-step explanation:

$y - y_{1} = m(x - x_{1} ) \\ \\ plug \: x_{1} = 7 \\ y_{1} = - 5 \\ m = 6 \: in \: the \: above \: equation \\ y - ( - 5) = 6(x - 7) \\ \\ y + 5 = 6x - 42 \\ \\ y = 6x - 42 - 5 \\ \\ y = 6x - 47 \\ \\ or \: 6x - y - 47 = 0$

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2 years ago

Solve the system of linear equations ​

Solve the system of linear equations