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3 years ago

Consider the algebraic expression:

Mathematics

1 answer:

ira [324]3 years ago

6 0

Answer:

constant: 4

coefficent: 7, 18 (However, -1 can also be counted as a coefficient, it is just invisible!)

Step-by-step explanation:

coefficient: a numerical or constant quantity placed before and multiplying the variable in an algebraic expression

therefore, 7 and 18 are coefficients. HOWEVER, -1 can also be a coefficient to -z.

constant: a quantity or parameter that does not change its value whatever the value of the variables, under a given set of conditions.

therefore, 4 is a constant.

hope this helps! if it does, please mark brainliest! thanks!

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The sum of three consecutive numbers is 72. What are the smallest of these numbers?

lisov135 [29]

let "a number" = x

(x) + (x + 1) + (x + 2) = 72

Simplify. Combine like terms

3x + 3 = 72

Isolate the x. Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS.

3x + 3 (-3) = 72 (-3)

3x = 72 - 3

3x = 69

3x/3 = 69/3

x = 69/3

x = 23

23 is the smallest number

hope this helps

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3 years ago

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-2(x - 14) help me? I need help so I can get my grade up in algebra and pass my class so please help me?

sukhopar [10]

Answer:

$- 2x + 28$

Step-by-step explanation:

1) Expand by distributing terms.

$- 2x - 2 \times - 14$

2) Simplify 2 × -14 to -28.

$- 2x - ( - 28)$

3) Remove parentheses.

$- 2x + 28$

Therefor, the answer is - 2x + 28.

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3 years ago

What is the relationship between the two variables represented in the table?

Zina [86]

I think that it's - positive linear association with one deviation

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2 thousands divided by what number is equal to 2 hundreds?

laila [671]

Answer:

Step-by-step explanation:

it is 10 2000÷10=200

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3 years ago

If the domain (or pre-image) is (-4, -2), (5, 9), (-6, 2) and the range (or image) is

Neko [114]

Answer: 90 degrees clockwise

This is equivalent to 270 degrees counterclockwise

The rule for either rotation is $(x,y) \to (y,-x)$

The x and y coordinates swap places, and the new second coordinate flips from positive to negative (or vice versa).

The diagram below shows an example of this for the point (-4,-2) rotating to (-2, 4). The center of the rotation is the origin (0,0).

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2 years ago