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aleksandrvk [35]
3 years ago
8

a boat travels 36 miles downstream in 2 hours and returns upstream in 6 hours. find the speed of the current and the speed of th

e boat in still water
Mathematics
1 answer:
Tamiku [17]3 years ago
8 0

Answer:

3 miles per hour stream

Step-by-step explanation:


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Which expression represents the phrase the sum of twice a number and 7
bixtya [17]

Answer:

2n+7

Step-by-step explanation:

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3 years ago
How do you cauculate net change ​
Travka [436]

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You can calculate net change by subtracting the current day's closing price for an asset from the closing price of the previous day!

Step-by-step explanation:

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3 years ago
What is 12 2/3 X 2 1/2
vampirchik [111]

Answer:

31.67

Step-by-step explanation:

12 2/3 X 2 1/2

we begin by converting this into improper fractions,

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3 years ago
Given two points m and n on the coordinate plane, find the slope of line mn, and state the slope of the line perpendicular to li
ololo11 [35]
The slope of the line MN where M (9,6) and N (1,4) can be obtained by obtaining the rate of the rise over the run. This is shown below:

(y2 - y1)/(x2 - x1) = (4 - 6)/(1 - 9) = (-2)/(-8)
m1 = 1/4

The slope of the line perpendicular to line MN can be obtained by taking the negative reciprocal of the slope of line MN.

m1 = 1/4
m2 = -1/m1 = -1/(1/4) = -4

Therefore, the slope of the line perpendicular to line MN is -4.
3 0
3 years ago
Solve for q. –10 + 10q = 9q
Kitty [74]

Answer:

q= 10

Step-by-step explanation:

9q - 10q = -10

-q = -10

q= -10/-1 = 10

6 0
2 years ago
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