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blsea [12.9K]
3 years ago
5

A triangle has sides with lengths of 4 kilometers, 14 kilometers, and 16 kilometers. Is it a right triangle?

Mathematics
2 answers:
defon3 years ago
7 0

Answer:

NO

Step-by-step explanation:

A right angle triangle will follow the PYTHAGORUS THEOREM. So the value found by adding the square of the two smaller sides should be same as the square of largest side.

irina1246 [14]3 years ago
6 0

Answer:

Yes, it is

Hope this helped

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An airplane is traveling at a speed of 240 miles/hour with a bearing of 110°. The wind velocity is 56 miles/hour at a bearing of
vodka [1.7K]

Answer:

Actual speed = 288 miles per hour

Actual direction angle = 116.38^\circ

Step-by-step explanation:

"Bearing" is the relative position of an object outside the plane compared to the position of the plane.  

Heading the the direction the nose of the plane is pointing.  

Course is the direction that pilot wants the plane to go.  

Wind direction is always the direction the wind is blowing from.  

The airplane is traveling at a speed of 240 miles/hour with a bearing of 110°.  

If the plane is traveling with a bearing of 110° and the wind is blown at a bearing of 325°.  

 325^{\circ}- 110^{\circ} =225^{\circ}

215^{\circ}- 180^{\circ} =35^{\circ}

The Ground speed will be in excess of the airspeed and true direction will be south if the indicated heading.  

The tailwind component is:

56 cos (35^\circ)

And the cross wind component is:

56 sin (35^\circ)  


And that is,

C^2 = (286)^2 + (32)^2


c = 288

So the actual speed of the plane is 288 miles per hour.

The deviation in the direction is:

Let the direction angle be 'x'.

x = tan ^{-1}\left ( \frac{32}{286} \right )=6.38^\circ

So the actual direction angle is 110^\circ+ 6.38^\circ=116.38^\circ.

5 0
3 years ago
Kendra is buying gifts for 5 friends.
Blizzard [7]

Answer:

She could spend $18 on each for the 4 friends

Step-by-step explanation:

100-28= 72

72/4=18

4 0
3 years ago
Factor and find the zeros of the relation.
Nady [450]

Answer:

Step-by-step explanation:

c.

y= 30x² +44x +16

factor

y= 2 (15x² +22x +8)

find zeros

15x²+22x+8=0

ax²+bx+c=0

x= (-b±√(b²-4ac))/2a

x= -22±√484-480/30 = -22±2/30 = -11±1/15

there are 2 zeros x= -10/15 ; x= -12/15

d.

y= 10x² +60x +80

factor

y= 10(x²+6x+8) = 10( x+2)(x+4)

finding zeros

x+2 =0 so x= -2

x+4 =0 so x= -4

there are 2 zeros x= -2; x= -4

4 0
3 years ago
Write the log equation as an exponential equation. Log9 (2x-7) = 2x-3
antiseptic1488 [7]

Answer:

14

Step-by-step explanation:

they = to the same thing

5 0
3 years ago
The length of the​ diameter, d, of the circle is 16cm. Find the length of the​ radius, r, of the circle.
Anna71 [15]
The radius would be 8cm. 
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3 years ago
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