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klasskru [66]
3 years ago
8

Problem 2: Vector v has initial point (4, 3) and terminal point (-7, 9). Write v as a linear combination of the standard unit ve

ctors i and j.
Mathematics
1 answer:
Dovator [93]3 years ago
3 0

We have

<em>v</em> = (-7, 9) - (4, 3) = (-7 - 4, 9 - 3) = (-11, 6)

which as a linear combination of the <em>i</em> and <em>j</em> unit vectors is

<em>v</em> = -11<em>i</em> + 6<em>j</em>

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9. A water glass can hold 2/9 of a litre of water. How many glasses of water can be filled with a 3 litre bottle?
Minchanka [31]

Answer:

13.5 glasses of water

Step-by-step explanation:

If:

1 water glass can hold 2/9 of a litre

x water glasses can hold 3 litres.

Therefore, expressing it as a litre to glass ratio, we have::

\dfrac{2/9}{1}=\dfrac{3}{x}  \\\dfrac{2}{9}x=3\\$Divide both sides by$ \dfrac{2}{9}\\x=3 \div \dfrac{2}{9}\\x=3 \times \dfrac{9}{2}\\\\x=13.5

Therefore, 13.5 glasses of water can be filled with a 3 litre bottle.

5 0
3 years ago
The box plot below shows the total amount of time, in minutes, the students of a class surf the Internet every day:
pashok25 [27]

The information that provided by the graph are median and the range. The information that cannot be gotten from the graph is the mode.

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The outlier would distort the value of the median and mean.

<h3>How can a box plot be interpreted?</h3>

The information that can be derived from the box plot are the minimum value, maximum value, range, median, first quartile and third quartile.

The interquartile range is the difference between the first quartile and third quartile.

Interquartile range = 60 - 35  = 25

To learn more about box plots, please check: brainly.com/question/27215146

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5 0
3 years ago
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Elan Coil [88]

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Step-by-step explanation:

3 0
4 years ago
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s344n2d4d5 [400]

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Step-by-step explanation:

you can put your pencil like this   I  and follow the line without two parts touching the line (vertical line test)

8 0
4 years ago
F(x) = (x-3) (x+8) (x-11) <br> What are the zeros of the polynomial?
aalyn [17]
<span>hello :
</span>F(x) = (x-3) (x+8) (x-11)
F(x) =0
<span>x-3= 0 or x+8=0 or x-11 = 0
x=3 or x=-8 or x=11
</span><span>the zeros of the polynomialare : 3   , -8   , 11 </span><span>
</span>
6 0
3 years ago
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