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3 years ago

Multiplying or dividing two related quantities by the same number is called; what?

1 answer:

6 0

I believe this is called scaling. This is the word that I am associating with your definition, as well as what many internet sources say. I am not 100% sure, but I think this is correct. Hope this helps.

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Can anyone help me in explaining subtraction of polynomials please help I’m desperate and I’m pretty much on my own when it come

Sidana [21]

Answer:

Think of combining like terms when subtracting polynomials. For example, 3x² and -2x². They both have x² in common. So, if you were to combine 3x² and -2x², it would be like 3x² + (-2x²). Think of this like 3 + (-2), which equals 1. In this case, it would equal 1x² or x².

Let's take this problem for example: 6x² - 3x + 4 - (-2x² +2x - 2)

Parentheses are super important; The first thing you want to do is distribute the negative sign out to everything inside the parentheses!

So,

6x² - 3x + 4 - (-2x² +2x - 2) *multiply the neg. to -2x², 2x, and -2

Now, if you do that, the equation would now look like:

6x² - 3x + 4 + 2x² - 2x + 2

Now think of combining like terms. Here are the like terms:

6x² - 3x + 4 + 2x² - 2x + 2 (Let's rewrite it to look like this...)

6x² + 2x² - 3x - 2x + 4 + 2

Let's combine the x²'s first, so... 6x² + 2x² = 8x²

Let's combine the x's, so... -3x - 2x = -5x

Let's combine the constants (numbers with no variable), so... 4 + 2 = 6

Your solution should be 8x² - 5x + 6

4 0

2 years ago

( In the PDF sorry I cant copy and paste it :( ) It's ON Graphing Inequalities

Vedmedyk [2.9K]

Answer:

Its A

Step-by-step explanation:

The answer is A, because the dot means it cant be 11, which is what the question is asking. Hope this helps!

8 0

3 years ago

What is the value of the expression? Drag and drop the answer into the box to match the expression. 0.9(1/2−2)+0.6

mrs_skeptik [129]

Should be, -0.7, if you follow PEMDAS

6 0

3 years ago

Read 2 more answers

-w + 4(w+3) = -12 Please help

Ivahew [28]

Let's solve your equation step-by-step.−w+4(w+3)=−12Step 1: Simplify both sides of the equation.−w+4(w+3)=−12Simplify: (Show steps)3w+12=−12Step 2: Subtract 12 from both sides.3w+12−12=−12−123w=−24Step 3: Divide both sides by 3.3w3=−243w=−8Answer:w=−8

4 0

3 years ago

Read 2 more answers

Show how you can determine that the inscribed figure inside a quadrilateral is a parallelogram. Support your argument with diagr

denis23 [38]

Answer:

Look for perpendicular lines or corresponding angles or alternate interior angles.

Step-by-step explanation:

When you want to show that a quadrilateral is a parallelogram you need to show that the oposite sides are parallel. In order to show that two segments are parallel there are various theorems and definitions you can use.

1 - Remember that two lines perpendicular to the same segment are parallel.

2 - When two lines are cut by a secant and their alternate interior angles are congruent, then the resulting lines are parallel, I will attach a drawing to illustrate what I am saying.

3 - When two lines are cut by a secant and their CORRESPONDING angles are congruent, then the resulting lines are parallel, I will also attach a drawing to illustrate what I am saying.

6 0

3 years ago