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love history [14]
2 years ago
10

Using scalar multiplication, find 5u if u= <2, 4>.

Mathematics
1 answer:
kicyunya [14]2 years ago
7 0

Using scalar multiplication, it is found that 5u = <10,20>.

<h3>What is scalar multiplication?</h3>
  • It is when a vector is multiplied by a constant, and it means that each term of the vector is multiplied by the constant.

In this problem, the vector is:

u = <2,4>

Since each term is multiplied by 5:

5u = <5 x 2, 5 x 4> = <10,20>.

To learn more about scalar multiplication, you can take a look at brainly.com/question/1821869

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What is a solution set for 3t-5&gt;7?
dedylja [7]

Step-by-step explanation:

3t - 5 > 7

3t > 12 (add 5 to both sides)

t > 4 (divide 3 on both sides)

The solution set for t should only have values which are greater than 4.

Hence the answer is C.

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What is the domain and range for the following function and its inverse? f(x) = -x + 5
iren2701 [21]

Answer:

Domain: \mathbb{R}

Inverse: f^{-1}(x) = -x + 5

Step-by-step explanation:

Since this is a linear function, the domain and range is simply the set of real numbers.

The inverse is obtain by switching the places of x and y, then solving for y.

Here,

y = -x + 5

So switching x and y,

x = -y + 5

Solving for y again,

y = -x + 5

Thus,

f^{-1}(x) = -x + 5


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Answer:

$778.46 is the bi-weekly net pay

Step-by-step explanation:

Net pay  is the gross pay minus taxes

Net pay = gross pay - gross pay * tax rate

Simplifying this equation by factoring out gross pay

Net pay = gross pay (1- tax rate)


Substituting this in

Net pay = gross pay (1- tax rate)

We know the

hours worked = 23000

tax rate = .12

Net pay = 23000 (1- .12)

Net pay = 23000 (.88)

Net pay = 20240

But this is per year, and we want it bi weekly

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So divide 20240 by 26, so you get paid every 2 weeks.

$20240/26 = 778.46  (we round to the nearest cent)


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