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Sveta_85 [38]
3 years ago
6

So this should be one of the last few ones

Mathematics
1 answer:
sergeinik [125]3 years ago
8 0

Answer:

A

Step-by-step explanation:

Because you have to use the Pythagorean theorem to solve for this.

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Which of the following sets could be the sides of a right triangle?
MArishka [77]
In a right triangle the sum of the squares of the lengths of two shorter sides is equal to the square of the length of the longest side.

a.
2^2+3^2=(\sqrt{13})^2 \\
4+9=13 \\
13=13 \\ true

b.
2^2+2^2=4^2 \\
4+4=16 \\
8=16 \\
not \ true

c.
1^2+(\sqrt{3})^2=2^2 \\
1+3=4 \\
4=4 \\
true

The answer is A and C.
5 0
3 years ago
Read 2 more answers
Two towns, Ancaster and Dundas, are 4 km and 6 km, respectively, from an old railroad line that has been made into a bike trail.
serg [7]
Okay, so first you draw a picture and let x be the distance from point D to the rest stop. Then the distance from point  to the rest stop is  8 - x

You know that the length of the new trail is y + z, where y is the distance from Ancaster to the rest stop and z is the distance from Dundas to the rest stop. 

Now by the Pythagorean theorem,  y^2 = 4^2 + x^2 and  z^2 = 6^2 + (8 - x) ^2

So take square roots of these, add them, and minimize. 

Note: I am assuming the path is perfectly straight, otherwise this approach fails.
8 0
3 years ago
Can someone help!!! And explain please
vlada-n [284]

Answer:

400(π+2) feet square

Step-by-step explanation:

let x be the diagonal of the cage=40√2 at the same time it is the radius of the circle ( the tiger can go in circle)

but since the cage is part of the circle and not full turn πr²/8

area of the circleπr²+ half area square

(π(40√2)²)/8 +40²/2

3200π/8+1600/2

400π+800

400(π+2) feet square

6 0
3 years ago
Which type of data would be best displayed in a histogram
zavuch27 [327]

I uploaded the answer to a file hosting. Here's link:

tinyurl.com/wpazsebu

8 0
3 years ago
Please help. and Reduce to simpliest form. Thx <3
SCORPION-xisa [38]

Answer:

-11/8

Step-by-step explanation:

-7/8 - 1/2 = -11/8

3 0
3 years ago
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