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Alex17521 [72]
2 years ago
9

What is the solution to the following system of equations?

Mathematics
1 answer:
Lilit [14]2 years ago
8 0
I pretty sure it’s C. if it’s not i’m sorry
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Oil leaked from a tank at a rate of r(t) liters per hour. the rate decreased as time passed, and values of the rate at two hour
Galina-37 [17]
The given data is
t, h:            0     2     4     6     8   10
r(t), L/h:   8.6  7.9  6.8  6.4  5.7  5.3

The lower and upper estimates for the total amount that leaked may be computed as the Left and Right Riemann sums.

The shape of the graph of r versus will determine which of the two sums yields an upper or lower sum.
The plot of the graph is shown below.

The Left Riemann sum is
Sl = 2*(8.6+7.9+6.8+6.4+5.7) = 70.8 L

The Right Riemann sum is
Sr = 2*(7.9+6.8+6.4+5.7+5.3) = 64.2 L

Answer:
The lower estimate for oil leakage is 64.2 L
The upper estimate for oil leakage is 70.8 L

4 0
3 years ago
Read 2 more answers
HELP ASAP <br> HELP ASAP<br> HELP ASAP<br> HELP ADAP <br><br> Find the values of m and n.
Shtirlitz [24]
M is 36° and N is 18°
6 0
2 years ago
A-35<br> b-15<br> c-20<br> d-40<br> all the help will be appreciated &lt;3
grandymaker [24]
The answer would be a
5 0
3 years ago
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Help me on math please really need help
Zanzabum
If the height was 10, then the volume of the cube would be 1000 because you find volume you must multiply the length*width*height and the value of those three is 10. 
Now since volume is 1000 and the volume of a 2in cube is 8 (again, lwh=V) you can divide 1000 by 8 and you would get 125. So that means 125 2in cubes can fit inside the bigger cube.

If the volume of this cube were 750in^3 and you had to find the height, you would use the Volume formula again:
l*w*h=V
10*10*h=750
20h=750
((divide both sides of the equation by 20 to find the value of h))
h=37.5

If the surface area of the cube were 680in^2 then you would use the surface area formula to find the value of h:
(2(lw))+(2(lh))+(2(wh))=A
(2(10*10))+(2(10h))+(2(10h))=680
200+20h+20h=680
subtract 200 from both sides of the equation:
40h=480
divide both sides by 40 to get the value of h:
h=12
5 0
3 years ago
A hot air balloon is at elevation of 650 feet. After it descends 120 feet, what is the elevation of the balloon?
SVETLANKA909090 [29]

Answer:

530

Step-by-step explanation:

4 0
2 years ago
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