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saw5 [17]
3 years ago
11

Over 25.5 days, a pond's water level changed by an average of −0.32 centimeter each day. What was the total change in the water

level? Drag and drop the correct answer into the box.
numbers
-10.55
-8.16
10.55
8.16
Mathematics
2 answers:
victus00 [196]3 years ago
4 0

Answer:

 So the water level of pond reduces by 8.16 centimeter over 25.5 days.

Explanation:

 Average change in pond's water level = -0.32 centimeter.

 Duration considered for taking the average of change in pond's water level = 25.5 days.

 Total change in the pond's water level = -0.32*25.5 = -8.16 centimeter

So the water level of pond reduces by 8.16 centimeter over 25.5 days.

melisa1 [442]3 years ago
3 0

Answer:

8.16

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20-22x%3D10%5C%5C" id="TexFormula1" title="x^{2} -22x=10\\" alt="x^{2} -22x=10\\"
Ronch [10]

Answer:

Step-by-step explanation:

x^2 - 22x = 10

Next step is to complete the square on the left hand side of the equation and it would be balanced by adding the same number to the right side of the equation. It becomes

x^2 - 22x + (22/2)^2 = 10 + (22/2)^2

x^2 - 22x + (11)^2 = 10 + (11)^2

x^2 - 22x + (11)^2 = 10 + 121

x^2 - 22x + (11)^2 = 131

x^2 - 22x + 121^2 = 131

(x - 11)^2 = 131

Taking square root of both the left hand side and the right hand side of the equation, it becomes

x - 11 = ±√131

x - 11 = ±11.45

Adding 11 to the left hand side and the right hand side of the equation, it becomes

x - 11 + 11 = ±11.45 + 11

x = 11.45 + 11 or x = -11.45 + 11

x = 22.45 or x = - 0.45

5 0
3 years ago
Solve the following inequality: 10 - 2x ≥ 12.
enot [183]

Answer:

x<(with a line underneath)-1

Step-by-step explanation:

10-2x>(with a line underneath)12

-10 -10

-2x>(with a line underneath)2

/-2 /-2

x<(with a line underneath)-1

7 0
3 years ago
How many bags of cotton balls would it take to make (6) 10inch pillows out of 1yard of fabric?
IgorLugansk [536]

Answer:

you should know this. you tell me how many?

3 0
3 years ago
I need help with algebra 2a
Murljashka [212]

Answer:

31

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please please help me
stiks02 [169]

Answer:

399.6 miles²

Step-by-step explanation:

The area (A) of the major sector is

A = area of circle × fraction of circle

   = πr² × \frac{255}{360}

   = π × 13.4² × \frac{255}{360}

   = \frac{13.4^2(255)\pi }{360} ≈ 399.6 miles²

6 0
3 years ago
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