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2 years ago

What is the least common denominator for the fractions 1/3and2/9?

Mathematics

1 answer:

Mice21 [21]2 years ago

8 0

Answer:

LCD= 9

Step-by-step explanation:

1/3 = 3/9

2/9 = 2/9

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How do you write 1085 in scientific notation

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Add the following polynomials, then place the answer in the proper location on the grid. Write answer in descending powers of x.

CaHeK987 [17]

Answer:

$-x^5+3x^4+16x^3+7x^2-3x+6$

Step-by-step explanation:

Given polynomials are:

$x^5-4x^4+7x^3+8$ , $9x^3+7x^2-10$ and $-2x^5+7x^4-3x+8$

Now we need to add the given polynomials, then place the answer in the proper location on the grid. Also we need to write answer in descending powers of x.

So let's add them by combining like terms:

$x^5-4x^4+7x^3+8+9x^3+7x^2-10-2x^5+7x^4-3x+8$

$-x^5+3x^4+16x^3+7x^2-3x+6$

Hence final answer in descending order is $-x^5+3x^4+16x^3+7x^2-3x+6$

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3 years ago

Evaluate.<br> PLEASE HELP QUICK!

Alinara [238K]

Answer:

Step-by-step explanation:

4^3-4/2*5

4^3=64

64-4/2*5

-4/2=-2

64-2*5

-2*5=-10

64-10=54

Parenthesis

Exponent

Multiply or Divide (whichever comes first)

Add or Subtract (whichever comes first)

Hope this helps

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2 years ago