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3 years ago

Choose the best definition for the term: factor (1 point)

2 answers:

6 0

2)One of two or more numbers, algebraic expressions, or the like, that when multiplied together produce a given product.

Molodets [167]3 years ago

3 0

I would say number 2

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3(2 + 4) = (3•2)+(3•4) is an<br> example of which property?

melomori [17]

Answer:

Distributive Property

Step-by-step explanation:

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3 years ago

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Explain how you can be sure that all the rates you have written on a double number line are correct.

kodGreya [7K]

<span>You can check all the rates on the number line by finding the quotient between the top rate and the bottom rate given and make sure that all of your quotients are equal to the given rate. </span>

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3 years ago

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from the top of a tree the angle of depression of a rock on the ground is 49 degrees. If the tree is 18.5 m tall, how far is the

Rashid [163]

Answer:

Step-by-step explanation:

If you were to sit in the very top of said tree and look directly straight, your line of vision would be parallel to the ground. The angle of depression is in between your line of vision and the rock. When you look down at the rock, your line of vision to the rock is a transversal between the 2 parallel lines. With this being the case, the angle of depression is alternate interior with the angle made on the ground from the rock to the top of the tree. See the illustration I attached below.

We are looking for the distance on the ground between the tree and the rock, which we will call x. The side opposite the reference angle is the height of the tree and the side adjacent to the reference angle is x. Side opposite over side adjacent is the tangent ratio. Therefore,

$tan(49)=\frac{18.5}{x}$ and

$x=\frac{18.5}{tan(49)}$ and on your calculator in degree mode, you will find that

x = 16.08 m

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4 0

3 years ago

(3x + 1/2 ) + ( 7x - 4 1/2 ) simply the expression

ololo11 [35]

(3x + 1/2 ) + ( 7x - 4 1/2 )

3x+7x + 1/2 - 4 1/2

10x -4

5 0

4 years ago

Algebra Question ( Matrices and Determinants ) 20 point

blagie [28]

The determinant of a 2 x 2 matrix can be calculated as:
Product of non-diagonal elements subtracted from product of diagonal elements.

The diagonal elements in given matrix are 12 and 2. The non-diagonal elements are -6 and 0.

So,

Determinant G = 12(2) - (-6)(0)

Determinant G = 24 - 0 = 24

So, option B gives the correct answer

6 0

3 years ago

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