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Angelina_Jolie [31]
3 years ago
13

(12y2 + 17y - 4) + (9y2 - 13y + 3) =

Mathematics
2 answers:
Anna [14]3 years ago
8 0

Answer:

21y^{2} +4y-1

Step-by-step explanation:

Hello!

(12y^{2} +17y-4)+(9y^{2} -13y+3)

For this, we can combine like terms

12y^{2} +9y^{2}=21y^{2}

17y - 13y = 4y

-4 + 3 = -1

Combine the answers and we get

21y^{2} +4y-1

Hope this Helps!

Anarel [89]3 years ago
4 0

Answer:

21y² + 4y -1

Step-by-step explanation:

(12y² + 17y - 4) + (9y² - 13y + 3)  ---- remove parentheses

= 12y² + 17y - 4y + 9y² - 13y + 3

= 12y² + 9y² + 17y - 13y - 4 + 3  -----grouped like terms

= 21y² + 17y - 13y - 4 + 3

= 21y² + 4y - 4 + 3

<u>= 21y² + 4y - 1</u>

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Calculate the answer to the correct number of significant digits. (91.01)(10.7)
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3. Given AB with coordinates A(-4,5) and B(12,13). Find the horizontal distance and the vertical
SCORPION-xisa [38]

The required distance would be 17.88 units coordinates A(-4,5) and B(12,13) and the horizontal distance is 16 units and the vertical distance is 8 units from A to B which are determined by the graphing method.

<h3>What is the distance between two points?</h3>

The distance between two points is defined as the length of the line segment between two places representing their distance.

Given AB with coordinates A(-4,5) and B(12,13).

The formula of the distance between two points is A(x₁, y₁) and B(x₂, y₂) is given by: d (A, B) = √ (x₂ – x₁)² + (y₂ – y₁) ².

x₁ = -4, y₁ = 5

x₂ = 12, y₂ = 13

distance = √ (12 – (-4))² + (13 – 5)²

distance = √ (12 + 4)² + (8)²

distance = √ (16)² + (8)²

distance = √ (256 + 64)

distance = √320

distance = 17.88 units

The horizontal distance is 16 units and the vertical distance is 8 units from A to B which are determined by the graphing method.

Learn more about the distance between two points here:

brainly.com/question/15958176

#SPJ1

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