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3 years ago

The hypotenuse in the right triangle below is TR True or False

Mathematics

2 answers:

Margaret [11]3 years ago

5 0

False. The hypotenuse is RB

julsineya [31]3 years ago

4 0

the answer is false the hypotenuse is the one across from the right angle

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Now given a rope hanging from the top of a pole. The end lying on the ground is 3 chi long. When tightly stretchedit is 8 chi fr

drek231 [11]

Answer:

Height of the pole = 9.17 chi.

Length of the rope = 12.17 chi.

Step-by-step explanation:

Given that the rope is hanging from the top of a pole having height x chi and the portion of the rope lying on the ground is 3 chi.

So, the length of the rope= x + 3 chi.

Let AB represents the pole in the figure, and one end of the rope is at point A.

When the rope is tightly stretched, let C be the other end of the rope as shown in the triangle.

The length of the rope = AC.

\Rightarrow AC=x+3 chi.

Distance from the bottom of the pole, point A, to the other end of the pole, point B, is 8 chi.

So, BC=8 chi.

As the triangle ABC is a right-angled triangle, so by using Pythagoras theorem,

$AC^2= AB^2+BC^2$

$\Rightarrow (x+3)^2=x^2+8^2$

$\Rightarrow x^2+6x+9=x^2+64$

$\Rightarrow 6x=64-9=55$

$\Rightarrow x=55/6=9.17$ chi.

Hence, the height of the pole, $AB=x=9.17$ chi,

and the length of the rope, $x+3=9.17+3=12.17$ chi.

8 0

3 years ago

No clue what this is either haha

dybincka [34]

Answer:

x=27

Step-by-step explanation:

63+90+x=180

63+90=153

180-153= 27

6 0

3 years ago

Choose the phrase that best describes the matrix

lions [1.4K]

Answer:

coefficent matrix

Step-by-step explanation:

P. 366

"If the column of constant terms is not included, the matrix reduces to that of the coefficent matrix of the system"

-1 -3 -1

9 -9 -1

-1 -3 4

7 0

3 years ago

Read 2 more answers

How do you round money to the nearest cent?Like for ex.:$2.15 to the nearest cent

Digiron [165]

To round money to the nearest cent you would see in the ones place what that number is and if it is at or higher than 5 it would round up to 2.20

Did that help any I hope so:) if not tell me I will have another strategy

7 0

3 years ago

Whats the value for 24/3*4/2

bogdanovich [222]

Answer: 16

Step-by-step explanation:

Multiple the numerators

24 x 4 = 96

Then multiple the denominators

3 x 2 = 6

So 96/6 equals 16

4 0

3 years ago