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ivanzaharov [21]
2 years ago
5

Cooling towers are used to remove or expel heat from a process. A cooling tower's walls are modeled by x squared over 400 minus

quantity y minus 110 end quantity squared over 2304 equals 1 comma where the measurements are in meters. What is the width of the cooling tower at the base of the structure? Round your answer to the nearest whole number.
100 meters
50 meters
48 meters
40 meters

Mathematics
1 answer:
Firdavs [7]2 years ago
8 0

The width of the cooling tower at the base of the structure is 40 meters.

<h3>Width of the cooling tower </h3>

Given equation

x²/400 -(y-90)²/1600=1

Solving for the width

Cooling tower width =2√400

Cooling tower width=2×20

Cooling tower width=40 meters

Therefore the correct option is D. 40 meters.

Learn more about width here:brainly.com/question/25855344

brainly.com/question/15356328

#SPJ1

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Well, if both Alexis and Tara mine salt for 40 hours... they'd have mine 1,000 pounds of salt. Is this what you were looking for?
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Subtract: 2/3 - 3/8 <br><br> answer in reduced terms
yaroslaw [1]

The answer would be 7/24

You can start by finding a common denominator. Since the lowest common denominator 3 and 8 have in common is 24 then that would be your denominator.

Then you can cross multiply 3*3= 9 and 2*8=16

\frac{16-9}{24}

16-9= 7

7/24

Then you are left with your answer:

\frac{7}{24} is already in reduced terms.

Hope this helps! :3

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4 years ago
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Find the length of side
quester [9]

Answer:

2*√2

Step-by-step explanation:

You need to use the trigonometrical function of angle (You should use the side sqrt2 and x to find the x). Take any acute angle (for example, 60 degrees)

The cos of this angle is equal to the ratio of adjoined leg (sqrt2) to the hypotenude (the side opposite to right angle, it is x)

cos60degrees= sqrt2/ x

1/2= sqrt2/x

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7 0
3 years ago
What is the 12<br>th term rule of the linear sequence 13 7 1 -5 -11​
Sergeu [11.5K]

Answer:

<u>-53</u>, f(n) = -6(n-1) + 13

Step-by-step explanation:

given the equation to this linear/arithmetic sequence for the nth term: f(n) = -6(n-1) + 13

f(12) = -6(12-1) + 13

f(12) = -6(11) + 13

f(12) = -66 + 13

f(12) = -53

*substitute and simplify*

______________

f(n) = f(1) + d(n-1)

given f(1) = 13, f(2) = 7, and f(3) = 1

7-13 = 1-7 = <u>-6</u> = d

= f(1) + d(n-1)

f(1) = <u>13</u> so

the equation must be f(n) = <u>13</u> <u>-</u><u> </u><u>6</u>(n-1) or -6(n-1) + 13

3 0
3 years ago
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