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fredd [130]
3 years ago
7

A motorboat heads upstream a distance of 24 miles on a river whose current is running at 3 miles per hour. The trip up and back

takes 6 hours. Assuming that the motorboat maintained a constant speed relative to the water, what was its speed?
Mathematics
2 answers:
Drupady [299]3 years ago
7 0
9mph is the boat's actual speed.
12mph with the stream and 6mph against the stream.
12mph takes 2 hours to get there and 6mph takes 4 to get back = 6hours.
Kryger [21]3 years ago
6 0
To get speed you do Distance/Time.
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Solve the equation: [x-2]=[4+x]<br><br>x=
Whitepunk [10]
X-2 = 4+x
+2      +2
 x  = 6+x
 -x      -x
   0  = 6 

Answer: no solution / empty set  / ∅
6 0
3 years ago
Linda knitted 1/6 of a sweater on Friday and 2/9 of the sweater on Saturday. On Sunday she knitted 1/2 of the remaining sweater.
sladkih [1.3K]
This is pretty simple. All you have to do is make the first and second fraction share a denominator by multiplying them by each other.

6 <span>• 9 = 54

Then multiply each numerator by the opposing denominator.

1 </span><span>• 9 = 9

2 </span><span>• 6 = 12

Here are the new fractions:

9/54

12/54

Now add the 9 and 12 together.

9 + 12 = 21

The complete fraction:

21/54

Subtract 21 from 54 so you can get the remainder of the sweater.

54 - 21 = 33

This is the remainder fraction:

33/54

Can you simplify this? Yes, of course! They can both be divided by 3!

11/18

That is the remainder of the sweater. But you still have to divide it in half! After all, Linda only knitted half of the remaining sweater. Dividing it in half can be done just by multiplying the denominator by 2.

11/36

That should be your answer! Apologies if I got something wrong.</span>
7 0
4 years ago
Use the diagram to complete the statements.
Ksenya-84 [330]

Answer: The answers are: 3, 4, point R to point Q, depression from point Q to point R

Step-by-step explanation:

4 0
3 years ago
Please help me :(<br>......​
mixas84 [53]

Answer:

602

Step-by-step explanation:

3 0
3 years ago
Which Odered pair would form a proportional relationship with the point graphed below?
Tasya [4]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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