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Fynjy0 [20]
3 years ago
7

A plane traveling with a velocity measured in meters per second, is described by vector = 〈6,5〉. Find the speed of the plane. √3

0 √61 30 61
Mathematics
2 answers:
masha68 [24]3 years ago
6 0

Answer:

√61

Step-by-step explanation:

The speed is the magnitude of the  velocity.

=   sqrt (6^2 + 5^2)  =  √61

Mrac [35]3 years ago
6 0

Answer:

Answer:


√61


Step-by-step explanation:


The speed is the magnitude of the  velocity.


=   sqrt (6^2 + 5^2)  =  √61



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Answer:

2. n = 11

4. g = -2

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Step-by-step explanation:

2. 63  = -3(1 - 2n)

Dividing both the side by negative 3 we get

-21=1-2n\\2n=1+21\\2n=22\\n=\frac{22}{2} \\\therefore n=11

4. -g + 2(3 + g) = -4(g + 1)

First we will open the bracket by distributive property A( B +C) = AB + AC

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6.-3(t +5 ) + (4t + 2) = 8

Using distributive property A( B +C) = AB + AC we get

-3\times t + -3\times 5 + 4t + 2=8\\-3t-15+ 4t + 2=8\\t=8+15-2\\t=21\\\therefore t=21\\

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Using distributive property A( B +C) = AB + AC we get

-8 - n = -3\times 2n - -3\times4\\-8-n=-6n+12\\\textrm{all the n terms to the left inside and the constant of the right-hand side}\\6n-n=8+12\\5n=20\\n=\frac{20}{5}\\ \therefore n= 4

10. -4( 2 - y) + 3y = 3(y - 4)

Using distributive property A( B +C) = AB + AC we get

-4\times 2 --4\times y + 3y = 3\times y -3\times 4\\-8+4y+3y =3y-12\\\textrm{all the y terms to the left side and the constant to the right side}\\4y+3y-3y=-12+8\\4y=-4\\y=\frac{-4}{4}\\ \therefore y=-1

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