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I am Lyosha [343]
3 years ago
9

(a + b)(a ² - ab + b ²) Please help!

Mathematics
2 answers:
stepladder [879]3 years ago
7 0
Use FOIL. 

(a + b)(a^2 - ab + b^2) 
a^3 + a^2b + b^2a - a^2b - b^2a - b^3
<span>a^3 + b^3 <----------Answer </span>
kvasek [131]3 years ago
4 0
Hey there :)

( a + b )( a² - ab + b² )
Let us distribute ( a + b )

a ( a² ) + a ( - ab ) + a ( b² ) + b ( a² ) + b ( - ab ) + b ( b² )
a³ - a²b + ab² + a²b - ab² + b³

We can simplify further:
- a²b + a²b = 0
ab² - ab² = 0

a³ + b³

You can see in the picture I have attached that this is the 7th formula

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What is the greatest multiple of 99 that is less than 0?
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Answer:

-1

Step-by-step explanation:

99 is the greatest factor greater than 0, but postive numbers have negative factors too, and negative numbers closer to 0 are greater.

3 0
2 years ago
Which number has a 6 that is 1/10 the value of the 6 in 527.6?
Furkat [3]

The number that has a 6 that is 1/10 the value of the 6 in 527.6 is B. 982.46.

<h3>How to illustrate the information?</h3>

It should be noted that we are to simply find the place value of the numbers.

In 527.6, the place value is 1/10.

On the other hand, in 982.46, the place value is 1/100.

Therefore, the number that has a 6 that is 1/10 the value of the 6 in 527.6 is 982.46.

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1 year ago
Examples of Trigonometry
Strike441 [17]
Hope this picture helps you

8 0
3 years ago
Read 2 more answers
FILL IN THE BLANKS: Given P(x) = 3x5 + 7x6 + 11x7 – 12x - 10
Mama L [17]

The polynomial  3x^5 + 7x^6 + 11x^7 - 12x - 10 is in standard form if the exponents are arranged in decreasing order.

<h3>Polynomial in Standard Form</h3>

Polynomial is an algebraic expression with one or more terms. For example :2x^3+6x^4+x^2+x+2. In this example and in your exercise the exponents of the terms are not arranged in order.

Um polynomial is in <u>Standard Form</u> when the exponents of the terms are in decreasing order. See more details below.

2x^3+6x^4+x^2+x+2is not in standard form because the exponents are not written in decreasing order.

6x^4+2x^3++x^2+x+2 is in standard form because the exponents are written in decreasing order.

Therefore, the given polynomial will be in standard form if yours exponents are arranged in decreasing order.

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2 years ago
What type of triangle is formed by joining the points D(7,3), E(8,1) and F(4,-1)
andreyandreev [35.5K]

Calculate the lengths of the sides of the triangle:

The triangle has three different sides, so it's a scalene triangle.

Now if c is the longest side of the triangle, and a and b are the shorter sides, then:

- if , the triangle is right

- if , the triangle is acute

- if , the triangle is obtuse

The longest side is 5.

The square of the longest side is equal to the sum of the squares of the shorter sides, so it's a right triangle.

The triangle is a right scalene triangle.

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