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schepotkina [342]
3 years ago
11

Any help greatly appreciated thank you

Mathematics
1 answer:
enot [183]3 years ago
3 0

Answer:

Option D. n=25

Step-by-step explanation:

1) Please, see the graph in the attached file.


2) According with the graph, the break-even point for this corn stand is n=25

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a fisherman travels 9mi downstream with the current in the same time he travels 3 mi upstream against the current. if the speed
netineya [11]

Answer:

10 mph

Step-by-step explanation:

speed of boat in still water = x

speed of current = 5

speed of boat with current (downstream) = x + 5

speed of boat against current (upstream) = x - 5

distance downstream = 9

distance upstream = 3

time = t

speed = distance/time

distance = speed × time

downstream:

9 = (x + 5)t

upstream:

3 = (x - 5)t

9 = xt + 5t

3 = xt - 5t

9 = xt + 5t

-3 = -xt + 5t

-----------------

6 = 10t

t = 0.6

9 = (x + 5)0.6

15 = x + 5

x = 10

5 0
1 year ago
Find the value of x.
otez555 [7]

Answer:

12

Step-by-step explanation:

All sides are the same

4 0
3 years ago
Read 2 more answers
Solve for the variable of x.<br><br> 2y = x + 36p
Vesnalui [34]

Answer:

x = 2 y − 36 p

Step-by-step explanation:

4 0
3 years ago
Please help<br> if x = 3 and y=-4 find x2 + y2 and x2 -y2
lions [1.4K]
1. Plug in the 3 in all the x’s that are in the equation:

(3)2 + y2 = for x2 + y2

(3)2 - y2 = for x2 - y2

This would get you for both equations..

6 + y2 = for x2 + y2

6 - y2 = for x2 - y2

2. Now let’s plug in the value of y which is -4:

6 + (-4)2 = for x2 + y2

6 - (-4)2 = for x2 + y2

This would get you for both equations...

-2 = x2 + y2

14 = x2 - y2


Hope this helped, have an awesome day!





6 0
2 years ago
What is the value of x?
Ira Lisetskai [31]

Answer:

121°

Step-by-step explanation:

The angle with measure x is an exterior angle of the triangle.

The angles measuring 90° and 31° are the remote interior angles to the exterior angle.

<em>Theorem:</em>

<em>In a triangle, the measure of an exterior angle equals the sum of the measures of its remote interior angles.</em>

x = 31 + 90

x = 121°

5 0
3 years ago
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