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Viktor [21]
3 years ago
5

Given vector u = (3, 1) and v = (2,-4), determine the value of v – 4u in component form.

Mathematics
1 answer:
igomit [66]3 years ago
8 0

Answer:

(-10, -8)

Step-by-step explanation:

4u

Each component of vector u is multiplied by 4. So

u = (3, 1)

4u = (4*3, 4*1) = (12,4).

v – 4u

Subtraction of the components of vector v by the components of the vector 4u. So

v - 4u = (2, -4) - (12, 4) = (2-12, -4 - 4) = (-10, -8)

The value is (-10, -8)

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Six identical square pyramids can fill the same volume as a cube with the same base. If the height of the cube is h units, what
Rus_ich [418]

Answer:

I believe "The height of each pyramid is one-half h units"

4 0
3 years ago
Read 2 more answers
Suppose you travel to Africa and drop a note in a sealed bottle in the Nile at its source. If the bottle traveled at 7 km/h on a
ValentinkaMS [17]

The time required for the bottle to reach the end of Nile is 963 hours

What is Speed?

Speed is defined as the rate of change of position of an object in any direction. Speed is measured as the ratio of distance to the time in which the distance was covered. Speed is a scalar quantity as it has only direction and no magnitude

Speed = Distance / Time

Given data ,

Let the speed of the bottle in the river be S = 7 km/h

Let the distance traveled by the bottle in the river be D = 6741 km

Now , the time taken by the bottle to reach the distance D with speed S is calculated by the equation

Speed = Distance / Time

and ,

Time = Distance / Speed

Substituting the values of distance and speed in the equation , we get

Time taken by the bottle = 6741 / 7

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Therefore , the time required is 963 hours

Hence , The time required for the bottle to reach the end of Nile is 963 hours

To learn more about speed click :

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5 0
1 year ago
Nvm, it took to long.
antiseptic1488 [7]
Sorry bro, maybe next time :/
4 0
3 years ago
In a group of 250 music lovers, 135 of them like folk songs and 150 like modem
AVprozaik [17]

Answer:

i cant make a diagram but here i go.

Step-by-step explanation:

250-135=115

250-150=100

100+115=215

250-215=35

So your answer is that 45 people like both, 115like modern, 100 like folk song, and 35 like both.

5 0
3 years ago
Solve for n. 11(n – 1) + 35 = 3n n = –6 n = –3 n = 3 n = 6
alisha [4.7K]

Answer:

n = 6

you just use pemdas

6 0
3 years ago
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