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choli [55]
3 years ago
7

How to find the containment of a fire? PLEASE HELP I NEED HELP HELP HELP!!!!!!!! ASAP

Mathematics
2 answers:
horrorfan [7]3 years ago
7 0
Like containing a fire?
then use anything to cut out the oxygen (like a bucket or a spoon if it’s a tiny flame)
snow_tiger [21]3 years ago
5 0
Hope I understood the problem correctly, but here's an idea: You could split it into three different triangles and solve each one using the pythagorean theorem (a^2 + b^2 = c^2) to find the perimeter of the entire fire. Then once the entire perimeter is found, divide the fire line length by the total fire perimeter and multiply that answer by 100. This should give you the percentage of the fire contained.
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22 random samples were selected from a population that has a normal distribution the sample has a mean of 99 and a standard devi
olga2289 [7]

Answer:

(96.91, 101.09)

Step-by-step explanation:

To calculate the interval, you require the Z value at 95% confidence interval. The Z value is 1.96. The formula to calculate the confidence interval:

X-Zs/\sqrt{x} \\X+Zs/\sqrt{x}

Where X is the mean and s is the standard deviation and x the sample size:

99-1.96\cdot{5}/\sqrt{22} \\99+1.96\cdot{5}/\sqrt{22}

The interval is (96.91, 101.09)

3 0
3 years ago
Read 2 more answers
Find the area of the trapezoid with a base of 19 inches, height 12.6 inches and base 29.2 inches
aksik [14]
Minor base: b=19 inches
Height: h=12.6 inches
Major base: B=29.2 inches

Area of the trapezoid: A
A=(b+B)h/2
Replacing the values:
A=(19 inches + 29.2 inches) (12.6 inches) / 2
A=(48.2 inches) (12.6 inches) / 2
A= (607.32 inches^2 ) /2
A= 303.66 inches^2

Answer: The area of the trapezoid is 303.66 square inches
3 0
3 years ago
Read 2 more answers
What is the diameter of a human hair written in scientific notation?<br> Plz explain! Thanks! :D
Anestetic [448]
The diameter of human hair is 8.0 x 10^-6 
hope this helps :)
4 0
3 years ago
Find x <br> Help me plz!!!
mariarad [96]

9514 1404 393

Answer:

  x = 8

Step-by-step explanation:

Assuming the figure is a parallelogram, the diagonals bisect each other. That means ...

  3x -11 = x +5

  2x = 16 . . . . . . . add 11-x to both sides

  x = 8 . . . . . . divide by 2

3 0
3 years ago
Read 2 more answers
Which function is a quadratic function?
DerKrebs [107]
The correct answer is: [C]:  " c(x) = –8x²<span> + 3x – 5 " .
_________________________________________________________
  The quadratic function takes the form of:
_________________________________________________________
  " f(x) =  ax</span>²  + bx + c " .
_________________________________________________________
Answer choice:  [C]:  " c(x) = –8x² + 3x – 5 "  ;

  is the only answer choice provided that takes that form of the quadratic function:

  " f(x) =  ax²  + bx + c " :

in which:  " a = -8 " ; " b = 3 " ;  " c = -5 " .
____________________________________________________
5 0
2 years ago
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