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marshall27 [118]
3 years ago
7

What is the inverse operation of multiplication? How do you "undo" multiplication?

Mathematics
1 answer:
mestny [16]3 years ago
3 0

Subtraction is the inverse operation that "undo" multiplication.

<u>Step-by-step explanation:</u>

The effects caused by any operation can be reversed and the reversing process is called Inverse Operation. Mathematics had four major operations, they are Addition, Subtraction, Multiplication, and Division.

Addition and Multiplication are interconnected to each other so as  Subtraction and Division. But Addition and Subtraction are the inverse operations. Also, Multiplication and Division are Inverse Operations.

Moreover, there are inverse properties explaining these Inverse Operations. These properties will result in an identity number. The identity number for Addition and Subtraction is 0 and for Multiplication and Division is 1.

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The function f(x) is a cubic function and the zeros of f(x) are -6, -3 and 1. The
jarptica [38.1K]

Answer:

P(x)=-5x^3-40x^2-45x+90

Step-by-step explanation:

<u>Equation of a Polynomial</u>

Given the roots x1, x2, and x3 of a cubic polynomial, the equation can be written as:

P(x)=a(x-x1)(x-x2)(x-x3)

Where a is the leading coefficient.

We know the three roots of the polynomial -6, -3, and 1, thus:

P(x)=a(x+6)(x+3)(x-1)

Since the y-intercept of the polynomial is y=90 when x=0:

90=a(0+6)(0+3)(0-1)

90=a(6)(3)(-1)=-18a

Thus

a = 90/(-18) = -5

The polynomial is:

P(x)=-5(x+6)(x+3)(x-1)

We must write it in standard form, so we have to multiply all of the factors as follows:

P(x)=-5(x^2+6x+3x+18)(x-1)

P(x)=-5(x^2+9x+18)(x-1)

P(x)=-5(x^3-x^2+9x^2-9x+18x-18)

P(x)=-5(x^3+8x^2+9x-18)

\boxed{P(x)=-5x^3-40x^2-45x+90}

3 0
2 years ago
PLEASE HELP ME!!! I NEED THIS REALLY SOON OR I WILL FAIL! What are some measurements that might be easier if we worked in the me
inessss [21]

Answer:

Centimeters might be easier because they can be much more precise than inches when there isn't an ideal length. Kilometers might be easier because it would not require such large numbers to work with.

Step-by-step explanation:

:)

5 0
3 years ago
Image below! PLEASE HELP! THIS IS DUE!
Minchanka [31]

Answer:

270 if not simplified and

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Step-by-step explanation:

8 0
2 years ago
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kozerog [31]

Answer:

A

Step-by-step explanation:

Any number that have the | | symbol will automatically be positive

For example

| -5.8 | = 5.8

6 0
3 years ago
Add 2 to 20 then multiply by 3
Misha Larkins [42]

Answer:

that would be 7.33

Step-by-step explanation:

sorry it's 66

I divided 3 by 22 instead of multiplying

5 0
2 years ago
Read 2 more answers
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