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erik [133]
2 years ago
12

The value of (a+b)² - (a-b)² is​

Mathematics
1 answer:
ANEK [815]2 years ago
5 0

Answer:

4ab

Step-by-step explanation:

(a+b)^2-(a-b)^2

=a^2 + 2ab + b^2 -(a^2 - 2ab +b^2)

=a^2 + 2ab + b^2 - a^2 + 2ab - b^2

=2ab + 2ab

=4ab

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Step-by-step explanation:

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3 years ago
1.Eric earned a 12 correct points out of 15 total points on his math quiz.
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Jason is making pumpkin bread. He needs 8 cups of pumpkin for every 4 cups of sugar.What is the ratio of cups of sugar to cups o
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3 0
3 years ago
i don’t understand what ? is. it’s pythagorean theorem and i know for this question, you HAVE to add, but i always get an answer
Sophie [7]

P1 = 10 m²

P2 = 22 m²

P3 = ?

According to Pythagoras' theorem:

P1 + P2 = P3

P3 = 10 m² + 22 m² = 32 m²

4 0
3 years ago
Read 2 more answers
30 POINTS FOR SIMPLE QUESTION
Komok [63]

-4 = y + 3


y = -4x - 3


 Solve for Y in the first equation:

-4 = y +3

Subtract 3 from both sides:

y = -7

Now using the addition method:

rewrite the second equation as 4x+y = -3


Multiply y = -7 by - 1 to get -y = 7

Now add the two together:

4x +y = -3

    -y =7

4x = 4

Divide each side by 4:

x = 4/4 = 1


Then replace x in one of the equations to solve for y which is -7

X = 1, Y = -7



5 0
3 years ago
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