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never [62]
3 years ago
11

What is the formula of a²-b²?​

Mathematics
2 answers:
STALIN [3.7K]3 years ago
7 0

(a-b)(a+b) is the answer

Thepotemich [5.8K]3 years ago
5 0

Answer:

The formula of a²-b² are as follows:

Step-by-step explanation:

(a-b)(a+b)

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Answer:

33m

Step-by-step explanation:

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6 0
3 years ago
There are 9 books stacked on a shelf. The thickness of each book is either 1 inch or 2 inches. The height of the stack of 9 book
azamat

Given data:

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1 year ago
Can somebody help me please
SpyIntel [72]
<h2>Answer:</h2><h3>f(4) = 122</h3>

________________________________________________

<h3>Calculate</h3>

Substitute\ x=4\ into\\ f(x)=7x^2+4x-6

_________________________________________________

<h3>Substitute</h3>

f(4)=7\times 4^2+4\times 4-6

___________________________________________________

<h3>Calculate the power</h3>

f(4)=7\times 16+4\times 4-6

___________________________________________________

<h3>Calculate the product or quotient</h3>

f(4)=112+4\times 4-6\\ f(4)=112+16-6

___________________________________________________

<h3>Calculate the sum or difference</h3>

f(4)=128-6\\ f(4)=122

<em>I hope this helps you</em>

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6 0
3 years ago
How do you estimate a length
WARRIOR [948]
A little tip is this 
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