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Katyanochek1 [597]
3 years ago
5

Multiplying or dividing two related quantities by the same number is called __________

Mathematics
1 answer:
loris [4]3 years ago
3 0
Multiplying or dividing two related quantities by the same number is called scaling
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Expand.<br> If necessary, combine like terms.<br> (x+3)(x – 3) = ?
Kobotan [32]

Step-by-step explanation:

multiply it

x²-3x+3x-9=0

x²-9=0

x²=9

square root both side we get

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3 years ago
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Use the discriminant to describe the roots of each equation. Then select the best description. 2m2 + 3 = m.
Tpy6a [65]

The roots of the equation , 2m^{2}+3=m, are non real roots.

<h3>Discriminants are what?</h3>

The quadratic formula's discriminant is represented by the square root symbol b^{2}-4ac. If there are two solutions, one solution, or none at all, the discriminant informs us.

As of now, 2m²+3=m we need to find the kind of roots they have.

2m²+3=m

2m²-m+3=0

Here, we can derive the following values from the equation:

a = 2, b = -1, c = 3

An equation's discriminant is stated as:

D = b²-4ac

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D = 1 - 24

D = -23

Discriminant can determine the kind of roots that the equation contains.

In this instance, the discriminant is below 0.

The equation's roots are complex conjugates when D < 0.

Hence the roots for the equation are non real roots.

To get more information about discriminant follow the link:

https://brainly.in/question/27214502

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Will give brainliest!
fiasKO [112]
Let's give some distances
100 up 100 flat 100 down meters
then return 100 up 100 flat 100 down


time required (distance/rate = time ) 200/100 + 200/120 + 200 / 150 = 5 hr

distance 600


distance / time = average speed = 600/5 = 120 m/s
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2 years ago
PLS HELP QUESTION 8 ANSWER CHOICES ARE ON THE PICTURE :(((g
Alborosie

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11.125 meters i think it helps

Step-by-step explanation:

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Answer: A math equation

Step-by-step explanation:

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