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katen-ka-za [31]
2 years ago
15

How long will it take for an undersea sonar pulse to travel 3 km?

Mathematics
1 answer:
Deffense [45]2 years ago
6 0

Answer:

2 seconds

Step-by-step explanation:

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Simon has a scale model of the Concorde airplane. The actual length of the Concorde is approximately 200 feet. If the ratio of t
Verizon [17]
The answer is:  "40 cm " .
_________________________________________________________
<u>Note</u>:
_________________________________________________________

\frac{200 ft }{ (x) cm} = \frac{5}{1}  ;

Solve for "x" (in "cm" ) ; 


→  5x = 200 * 1 ; 

→  5x = 200 ; 

Divide each side of the equation by "5" ; 
   to isolate "x" on one side of the equation; & to solve for "x" ; 

→  5x / 5 = 200 / 5 ; 

to get:

→  x = 40 .
___________________________________________________________
The answer is:  " 40 cm " .
___________________________________________________________
6 0
3 years ago
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A group of related facts that use the same numbers is an
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A group of related facts that use the same number is a fact family
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3 years ago
The general form of the equation of a circle is x^2+y^2−4x−8y−5=0.
lakkis [162]
X² - 4x    + y² - 8y    = 5

Complete the square:
x² - 4x + (4) +  y² - 8y + (16)    = 5 + (4) + (16)
→  (x - 2)²    +  (y - 4)²    = 25

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radius: √25 = 5
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3 years ago
PLEASE HELP ASAPPPP PLEASE
son4ous [18]
Answer:
The answer is 2

Explanation:
The lowest number that can eliminate the fractions would be 2. And it fits all of them since they are factors of 2.
8 0
3 years ago
Sorry i'm the most non-smart person on the planet someone help me please! PLease show work.
Tpy6a [65]

Answer:

25

Step-by-step explanation:

The whole straight line is 180 And the angles are adjacent.

180-125 which equals 55

trying to find X so subtract 30

55-30=25

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2 years ago
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