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4 years ago

Answer the question who ever does the best gets brain award (whatever its called)

Mathematics

2 answers:

Tomtit [17]4 years ago

6 0

Answer: The answer is B (or the second one)

Tasya [4]4 years ago

5 0

Answer:

The second one

Step-by-step explanation:

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Use FOIL to explain how to find the product of (a + b)(a − b). Then describe a shortcut that you could use to get this product w

andriy [413]

Greetings!

FOIL stands for:

Front
Outside
Inside
Last

This tells which terms to multiply when using the Distributive Property.
(NOTE: Only applicable with 2-term Polynomials)

For Example:
$(a+b)(a-b)$

Multiply the Fronts of both Equations:
$(a*a)$

Multiply the Outsides of both Equations:
$(a*a)+(a*-b)$

Multiply the Insides of both Equations:
$(a*a)+(a*-b)+(b*a)$

Multiply the Lasts of both Equations:
$(a*a)+(a*-b)+(b*a)+(b*-b)$

Simplify.
$=a^2-ab+ba-b^2$

$=a^2-b^2$

Alternative Method (My Prefered Method)
$(a+b)(a-b)=a(a+b)-b(a+b)$

Use Regular Distributive Property.
$a(a+b)-b(a+b)$

$a*a+a*b-b*a+-b*b$

Simplify.
$a^2+ab-ba+-b^2$

$a^2-b^2$

Hope this helps.
-Benjamin

6 0

3 years ago

Read 2 more answers

What's the greatest common factor of 72 and 32

Alexeev081 [22]

The space between the stars) is filled with extremely low-density hydrogen gas. In the vicinity of a hot star, this gas can be heated to a very high temperature. This hot, low-density gas will

6 0

4 years ago

26 cm/s = ? m/min... please help i don't understand this at all

Orlov [11]

.26/1. There are 100 cm in 1 m. Divide 26 by 100. =.26. So there for there is .26 cm in 1 m.

cm= centimeter

m=meter

5 0

4 years ago

Express the following ratio as a fraction in simplest form.<br> $32 for 10 tickets

nordsb [41]

Answer:

$16/5tickets

Step-by-step explanation:

it be in simplest form mate.

6 0

3 years ago

The stock market dropped 220 points on Monday. It lost another 48 points on Tuesday, and on Wednesday it gained 96 points. What

OleMash [197]

48 points gained in those 3 days.

Subtract 220 with 48, then add 96. Last step would be subtracting 220 with the amount they have now in those 3 days to find how much points the stock market gained in those 3 days.

Subtract 220-48.It‘ll be 172.

Add 172 with 96. 172+96=268.

Subtract 268 with how much points the stock market had 3 days ago. 268-220. So it would be about 48 points gained.

5 0

3 years ago