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My name is Ann [436]
3 years ago
14

HELP PLEASE I’m dying

Mathematics
2 answers:
yan [13]3 years ago
7 0
The answer is attached

photoshop1234 [79]3 years ago
5 0
The formula you use is a^2 + b^2 = c^2

Let's set up the equation 30^2 + 42^2 = c^2

a and b are ALWAYS the legs of the triangle. c is ALWAYS the hypotenuse. 
Since you're finding c, the shadow's length, then we leave that as c instead of plugging in a number.

Next, find the square of 30 and 42, to leave the equation: 
900 + 1,764 = x^2
add 900 + 1,764 to make 2,664.

2,664 = x^2 is what we're left with.

All you need to do now is square root 2,664 to find x instead of x^2

x = 51.614

Your answer is the last one, 51.6 feet.  
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The back of Dante's property is a creek. Dante would like to enclose a rectangular area, using the creek as one side and fencing
Allushta [10]

The correct value is 720 ft of fencing.

Answer:

Max Area = 64800 sq.ft

Step-by-step explanation:

A square will always give us the maximum area.

Thus, one side would be;

720/4 = 180 feet

So, we want a square 180 ft by 180 ft

however, from the question, we are to use the creek as one side. So, we'll take the 180 ft that we don't need because of the creek and then add it to the opposite side to get 180 + 180 = 360 ft.

Thus,we now have a rectangle with dimensions: 180 ft by 360 ft

Area is given by;

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3 years ago
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Step-by-step explanation:

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2 years ago
Austin drove 455 miles in 7 hours.
Effectus [21]

Answer:

9 hours

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