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3 years ago

12

I NEED HELP!!

2 answers:

beks73 [17]3 years ago

3 0

Answer:

x=x

Step-by-step explanation:

4x-6+2x=3(2x-2)

4x+2x-6=6x-6

4x+2x=6x

6x=6x

x=x

Alekssandra [29.7K]3 years ago

3 0

Answer:

<h2>infinity solutions</h2><h3>the picture is attached</h3>

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dolphi86 [110]

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D (10)

Step-by-step explanation:

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Step-by-step explanation:

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Which two values are located at the same point on a number line? 1/2 and 2 , 2/2 2 , 2/1 2 , 2/1 and 1

grandymaker [24]

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Step-by-step explanation:

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2 years ago

dexar [7]

23,740 more pounds youre welcom

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3 years ago

Read 2 more answers

The answer to all 11.

madam [21]

Answer:

The rate of the current is 2 miles per hour.

Step-by-step explanation:

Let us assume that the rate of the river is v miles per hour.

The speed of the boat is 12 miles per hour.

Let us assume also that the boat can go 21 miles in t hours in the downstream and 15 miles upstream at the same time i.e. t hours.

So, from the condition given we can write that

$12 + v = \frac{21}{t}$ ......... (1), and

$12-v =\frac{15}{t}$ ......... (2)

Now, adding those two equations we get

$24 = \frac{21}{t} +\frac{15}{t} = \frac{36}{t}$

⇒ $t = \frac{3}{2}$ hours

Now, from equation (1), we get,

$12 + v = \frac{21}{\frac{3}{2} } =14$

⇒ v = 2 miles per hour

Therefore, the rate of the current is 2 miles per hour. (Answer)

8 0

3 years ago