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Assoli18 [71]
2 years ago
14

Is it possible for three vectors of different magnitudes to add to zero?.

Mathematics
1 answer:
amid [387]2 years ago
6 0

Answer:

No, it is not possible to obtain zero by adding two vectors of unequal magnitudes.

Explanation:

The Sum of two vectors can only be zero if they are equal in magnitude and opposite in direction. So no two vectors of unequal magnitude cannot be added to give a null vector. Three vectors of equal magnitude and making an angle 120 degrees with each other gives a zero resultant.

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Help me quickly pls
IrinaK [193]
B is answer as quotient is dividend/ divisor and its 5 times is 5*r/t
5 0
4 years ago
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An isosceles triangle with base 12mm and perimeter 28mm
olga55 [171]

Answer:

Side lengths of 12,8,8

Step-by-step explanation:

In an isosceles triangle the base is different from the other 2 sides which are the same so

28=12+2x (x being the side of the repeat sides)

14=6+x (divide both sides by 2)

8=x (subtract 6 from both sides) so

Side lengths of 12,8,8

5 0
4 years ago
I have been struggling on this can anyone help?
Serjik [45]

Answer:

Step-by-step explanation:

PX is 15 which is the radius

Find the circumference of the circle and subtract the length of the minor arc

Circumference of circle = 2 * pi * r = 2 * pi * 15 = 30 pi

length of arc = angle/360 * 2 * pi * r = 23/360 * 2 * pi * 15 = 1.92 pi

subtraction will give 30 pi - 1.92 pi = 28.08 pi

28.08 * 22/7 = 88.25 which is approximately 88

5 0
3 years ago
Ariana has $1.40 worth of nickels and dimes. She has twice as many nickels as dimes. Determine the number of nickels and the num
navik [9.2K]

Answer:

14 nickels

7 dimes

Step-by-step explanation:

1. find out how many dimes there has to be to get $1.40

1 dime= .10

1.40/.10=14 dimes

14/2=7

so there are 7 dimes

since a nickel is half the amount of a dime there will be twice as many to make up the other half which is $0.70

.70/.05=14

there are 14 nickels

proof:

$0.10(7)+$0.05(14)= $1.40

hope this helps!

7 0
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On tuesday, david woke up at 6:15 <br> a.m. and went to sleep at 7:45 p.m. how long was david awake?
soldi70 [24.7K]
Thirteen and a half hours
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3 years ago
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