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RUDIKE [14]
3 years ago
9

How to translate expressions into equations

Mathematics
1 answer:
iren [92.7K]3 years ago
8 0
Expression example: 15x7
equation example: 15x7=105
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A sailboat travels 48 miles upstream in 6 hours and return back downstream in 4 hours. What is the speed of the boat in still wa
Kipish [7]
Let s be the speed of the boat in still water.
Let c be the speed of the current.
s - c = 48/6 = 8
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Adding the two equations, we get:
2s = 20
s = 10
The answer is 10 miles per hour.
4 0
3 years ago
X/9 × 4 what is the number of X? Im very confused.
german
Since x/9•4 is a multiple step problem you could do it one of two ways you could either divide 4 since you are multiplying four or you can multiply by nine since you are dividing by nine
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What is the value of tan(60°)?
Scorpion4ik [409]

Answer:

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Step-by-step explanation:

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malfutka [58]

Answer:

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Step-by-step explanation:

Giving the following information:

The value of the savings bond increases by 3% each year. One year after it was purchased, the value of the savings bond was $515.

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The length of 
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I would say 24 considering your in middle school and maybe learning about rectangles or parallels

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