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2 years ago

Why are there no properties of subtraction or division?

Mathematics

1 answer:

tia_tia [17]2 years ago

4 0

There are no properties because you can do anything with subtraction and division

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Is math a feature of the universe or a feature of human creation?

maxonik [38]

Answer:

a feature of the universe

Step-by-step explanation:

Math is a feature of the universe because what we call math is just a way of explaining how things work.

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3 years ago

If (3). write the following vectors in column vector form:

Art [367]

Answer:

see explanation

Step-by-step explanation:

Given

a = $\left[\begin{array}{ccc}3\\2\\\end{array}\right]$

To obtain -3a multiply each of the elements of a by -3

3a = $\left[\begin{array}{ccc}-3(3)\\-3(2)\\\end{array}\right]$ = $\left[\begin{array}{ccc}-9\\-6\\\end{array}\right]$

To obtain 1.5a multiply each element by 1.5

1.5a = $\left[\begin{array}{ccc}1.5(3)\\1.5(2)\\\end{array}\right]$ = $\left[\begin{array}{ccc}4.5\\3\\\end{array}\right]$

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3 years ago

28= -2u<br> u= ?<br> Basically, U equals what?

vredina [299]

Answer: U=-14
Explanation:

4 0

2 years ago

Below is a diagram of the base of gazebo hunter is building in his backyard

Brilliant_brown [7]

Full Question: Below is the diagram of the base of gazebo. Hunter is building for his backyard. He plans on gazebo having a height of 4 meters with a pyramid shaped roof that is an additional 2 meters high. He needs to order shingles for the roof and needs to know how much area is covered by shingles.

Answer:

$2784$ $m^{2}$

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3 years ago

Evaluating expressions for the value of x 4.5x-12 x=2

Svetradugi [14.3K]

X = 2

4.5(2) -12

9 -12

= -3

Answer is -3

4 0

3 years ago