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NikAS [45]
4 years ago
8

An someone please help.

Mathematics
2 answers:
Kruka [31]4 years ago
5 0
I believe the answer is 6
Svetllana [295]4 years ago
5 0

This is a special right triangle with 3 sides that are 5, 12, 13. You should remember this triangle.

{13}^{2} =  {x}^{2}  +  {12}^{2}  \\  {x}^{2}  =  {13}^{2}  -  {12}^{2}  \\ x =  \sqrt{ {13}^{2} -  {12}^{2}  }  =  \sqrt{169 - 144}  =  \sqrt{25}  = 5

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A truck with 36-in.-diameter wheels is traveling at 55 mi/h.
kkurt [141]

Answer:

The angular speed is 3,227 rad/min

Step-by-step explanation:

Remember that

1 mile=63,360 inches

step 1

Find the circumference of the wheels

The circumference is equal to

C=\pi D

we have

D=36\ in

substitute

C=\pi (36)

C=36\pi\ in

step 2

we know that

The speed of the wheel is 55 mi/h

<em><u>Convert to mi/min</u></em>

55 mi/h=55/60 mi/min

<u><em>Convert to in/min</em></u>

(55/60) mi/min=55*63,360/60 in/min= 58,080 in/min

we know that

The circumference of the wheel subtends a central angle of 2π radians

so

using proportion

Find out how much radians are 58,080 inches

\frac{36\pi }{2\pi }=\frac{58,080}{x} \\\\x=2*58,080/36\\\\x=3,226.67 \ rad

therefore

The angular speed is 3,227 rad/min

6 0
3 years ago
Find the product of the following:<br>(i) 5 (-4)<br>(ii) (-8) (-6)​
harkovskaia [24]

Answer: i believe it is 960

Step-by-step explanation:

8 0
3 years ago
Which is equivalent to this
gogolik [260]

Answer: B

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
????????????????????????????
viktelen [127]

Answer:

The inverse is 5x+3

Step-by-step explanation:

y = (x-3) /5

Exchange x and y

x = (y-3)/5

Solve for y

Multiply each side by 5

5x =(y-3)/5 *5

5x = y-3

Add 3 to each side

5x+3 =y-3+3

5x+3 =y

The inverse is 5x+3

8 0
3 years ago
Consider the sequence: 11, 21, 31, …, … , … What is the nth term of this sequence ?
LuckyWell [14K]
I would say that the "n"th term of the sequence is 41, as the pattern increases by 10 every term.
7 0
3 years ago
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