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Ilia_Sergeevich [38]
3 years ago
9

If u = <2, -5>, v = <3, -2>, and w = <5, -3>, which operation is represented by this graph?

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
7 0

The answer is B

Because of the equation

I did

telo118 [61]3 years ago
5 0

Answer:

B. The operation \bf{u}-\bf{v} is the correct answer.

Step-by-step explanation:

Given:

{\bf u} = {}\\{\bf v} = \\{\bf w} =

From the graph, we know that the vector is \langle -1,-3 \rangle.

A. The operation -\bf{v}-\bf{u} is equal to

-\langle3,-2\rangle-\langle 2,-5\rangle\\\langle-3,2\rangle-\langle 2,-5\rangle\\\langle -3-2,2+5 \rangle\\\langle-5,7\rangle

B. The operation \bf{u}-\bf{v} is equal to

\langle2,-5\rangle-\langle 3,-2\rangle\\\langle 2-3,-5+2 \rangle\\\langle-1,-3\rangle

C. The operation 2\bf{w}-\bf{u} is equal to

2\langle5,-3\rangle-\langle 2,-5\rangle\\\langle 10,-6 \rangle-\langle 2,-5 \rangle\\\langle 10-2,-6+5 \rangle\\\langle8,-1\rangle

D. The operation -2\bf{u} is equal to

-2\langle 2,-5\rangle\\\langle -2,10\rangle

Therefore, the operation that gives us the vector \langle -1,-3 \rangle is \bf{u}-\bf{v}.

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Answer:

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3 years ago
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Given the function g(x)=3x-7, determine when g(x)=-4
sp2606 [1]

You have the following function:

g(x) = 3x - 7

In order to determine th value of x when g(x) = -4, you equal the previous expression to -4 and solve for x, just as follow:

g(x) = 3x - 7 replace g(x) = -4

-4 = 3x - 7 add 7 both sides

-4 + 7 = 3x simplify

3 = 3x divide by 3 both sides

3/3 = x

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1 year ago
X^8+1 divided by 2x+1​
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x8+12

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Step-by-step explanation:

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3 years ago
The photography club decided to go on a field trip to the Andy Warhol museum. They had to break into smaller groups once they go
Diano4ka-milaya [45]
A)
Let x represent the cost of 1 student, and y the cost of 1 teacher.

B)
In the first group, there's 25 students and 2 teachers. Their total cost is $97.50
So 25x + 2y = 97.50
In the second group, there's 32 students and 3 teachers. Their total cost is $127
So 32x + 3y = 127

We get the following system of equations:
25x + 2y = 97.50 (1)
32x + 3y = 127 (2)

C)
25x + 2y = 97.50 (1)
32x + 3y = 127 (2)

In equation (1)
25x + 2y = 97.50
25x + 2y - 2y = 97.50 - 2y
25x = 97.50 - 2y
25x / 25 = 97.50/25 - 2y/25
x = 3.9 - (2/25)y

In equation (2), let's replace x by its algebraic value
32x + 3y = 127
32(-2/25y + 3.9) + 3y = 127
11/25y + 124.8 = 127
11/25y + 124.8 - 124.8 = 127 - 124.8
11/25y = 2.2
(11/25y) / (11/25) = 2.2 / (11/25)
y = 5

x = -2/25y + 3.9
x = -2/25 * 5 + 3.9
x = 3.5

So the cost of each student is $3.5, and the cost of each teacher is $5.

Hope this helps! :)




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3 years ago
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ivolga24 [154]

Answer:

its c

Step-by-step explanation:

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