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aniked [119]
3 years ago
11

The speed of a boat in still water is 10 km/hr. If it can travel 78 km downstream and 42 km upstream in the same time, the speed

of the stream is?
Mathematics
1 answer:
OLga [1]3 years ago
6 0

Answer:

umm let me look at this one more time then I will answer:)

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HELP ME THIS IS EXTRA CREDIT!!!!!!! 
Svetach [21]
2800 + 1.18x = y
x = monthly sales
y = monthly income
y needs to be at least 6400 so that means;

2800 + 1.18x ≥  6400
1.18x ≥ 6400 - 2800
x ≥ (6400 -2800) / 1.18
x ≥ 3050

So she needs to earn at least 3050, which means <span>≥ 3050</span>

3 0
3 years ago
2x to the second power + 2 + 9x to the second power
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Answer:

11x^2+2

Step-by-step explanation:

you put the 9x^2 beside 2x^2 because they are both x^2 then the 2 will stay the same

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3 years ago
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umka2103 [35]

Answer:

Two cubes of gold one is 24 m per side

Step-by-step explanation:

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NO LINKS!
Ipatiy [6.2K]
Your answer is 23.31538291 feet.

7 0
2 years ago
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Common denominator of 2/5 and 1/10
olga2289 [7]
The common denominator of 2/5 and 1/10 is 10
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