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TEA [102]
3 years ago
9

Vectors U and V are shown on the graph (The graph with letters U and V)

Mathematics
1 answer:
kolezko [41]3 years ago
5 0

Answer:

  see attached

Step-by-step explanation:

The vector difference u -v can be represented on a vector diagram by the sum u +(-v), where -v is a vector the same length as v, but in the opposite direction.

__

This sum is shown in the attachment.

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Daniella has a box of 525 markers that she wants to share with 15 of her friends. If each of her friends gets the same number of
Semenov [28]

Answer:

Each friend will get 35 markers

Step-by-step explanation:

525 / 15 = 35

6 0
3 years ago
a motorboat travels 371 kilometers in 7 hours going upstream. it travels 525 kilometers going downstream in the same amount of t
e-lub [12.9K]

Answer:

Speed of boat in still water = 64 km/hr

Speed of the current = 11 km/hr

Step-by-step explanation:

Let the speed of motorboat in still water = x km/hr

Let the speed of current = y km/hr

Motorboat travels 371 km in 7 hours going upstream.

Speed of motorboat while going upstream = speed of motorboat in still water - speed of current = (x-y)

=> \[x-y = \frac{371}{7}\]

=> \[x-y = 53\] ------------------------------(1)

Motorboat travels 525 km in 7 hours going downstream.

Speed of motorboat while going downstream = speed of motorboat in still water + speed of current = (x+y)

=> \[x+y = \frac{525}{7}\]

=> \[x+y = 75\] -----------------------------(2)

Solving for x and y from (1) and (2):

Adding (1) and (2):

2x = 128

=> x = 64

Substituting the value of x in (1), y = 11

6 0
3 years ago
Graph inequality by shading like x< 3 is shaded to right or left ? of 3
Scilla [17]

Answer:

x<3 means x is less than 3.

Think about a number line, the more left you go, the smaller the numbers get.

So, to represent x<3, you would shade to the left.

Let me know if this helps!

8 0
3 years ago
Which 2 values of x are roots of the polynomial below?
Alexxx [7]

Given:

The given polynomial is:

f(x)= 3x^{2}-3x+1

To find the roots of the given polynomial.

To find the roots we have to take f(x) = 0

So,

3x^{2} -3x+1 = 0

Formula

By quadratic formula, the root of the equation ax^{2} +bx+c = 0 is,

x = \frac{-b+\sqrt{b^{2}-4ac } }{2a} and \frac{-b-\sqrt{b^{2} -4ac} }{2a}

Now,

Putting, a=3, b=-3, c=1 we get,

x = \frac{3+\sqrt{3^{2}-4(3)(1) } }{(2)(3)} and \frac{3-\sqrt{3^{2}-4(3)(1) } }{(2)(3)}

x = \frac{3+\sqrt{-3} }{6} and x=\frac{3-\sqrt{-3} }{6}

Hence,

The values of the roots of the given polynomial arex=\frac{3+\sqrt{-3} }{6} and x=\frac{3-\sqrt{-3} }{6}

Hence, Option A and F are the correct answer.

5 0
3 years ago
Please answer this question !! Thank you !! Will give brainliest !! Really important !!
Kobotan [32]

Answer:

0 = 3x -2y -6

Step-by-step explanation:

The general form of the equation of a line is 0 = Ax + By + C

y = 3/2x -3

Subtract y from each side

0 = 3/2x -y -3

Multiply each side by 2

0 = 3x -2y -6

8 0
4 years ago
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