Which is NOT true? 7 + 7 = 19 - 5 9 + 9 = 11 + 7 19 = 13 + 5 20 - 12 = 4 + 4

Answer:

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Explanation:

The resultant of the given two vectors can easily be figured out just by resolving the vectors into x and y components

Resolving A vector, we get 10cos(30°) and 10sin(30°) , which is equal to 5√3 and 5 along x and y axis respectively

Now resolving B vector, we get -20cos(30°)[carries negative sign as it is along negative X-axis] and 20sin(30°), which is equal to -10√3 and 10 along X and Y axis respectively

Equating the resolved vectors that are along x axis, we get -5√3 ,which can be assigned to Rx (just for our convenience)

Equating the resolved vectors that are along Y axis, we get 15,which can be taken as Ry

Thus the X and Y components of the resultant vector has been found out

Futher Pythagoras theorem can be used to calculate the resultant vector ‘R’ using its X and Y components ( i.e Rx and Ry)

Therefore ‘R’ vector =√(Rx^2 + Ry^2)

=√(5√3^2 + 15^2) = √(225+75) = √300

=10√3 = 17.32

The magnitude of the resultant vector is 17.32

Answer:

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Answer:

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Explanation:

Answer:--

Think about something positive or funny instead

Concentrate on breathing

Do some exercise

but y u in crying

the Question is from which exercise ?

Answer:Symbols take the form of words, sounds, gestures, ideas, or visual images and are used to convey other ideas and beliefs. For example, a red octagon is a common symbol for "STOP"; on maps, blue lines often represent rivers; and a red rose often symbolizes love and compassion.

Explanation: Please mark as brainliest