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Zina [86]
2 years ago
10

Find the difference: (3x2 + 4x - 6) - (5x2 - 8x - 3)

Mathematics
1 answer:
Zinaida [17]2 years ago
3 0
12x-7

hope it helps.Thanking you
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Kieth ran a marathon. It took 3 hours and 2 mins to run 26 miles. If he ran at the same rate for the whole race, how many minute
baherus [9]
It took him 7 minutes to run each mile.

Firstly, covert the time into minutes.
3 * 60 = 180 minutes 
180 + 2 = 182 minutes

Now in order to find how long he ran each mile,
divide 182 by 26
182/26 = 7 minutes
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3 years ago
Чу- 8х + 5x - Зу<br> OOoO
natulia [17]
Y-3x

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What is the measure of DE?
tatuchka [14]

Answer:

Step-by-step explanation:

Alright, lets get started.

The two chords are intersection each other at point B.

DBE=ABC

Both are opposite angles that is 39 degrees.

Angle ABC forms the arc AC which is given 41 degree.

The arc DE will be same length as arc AC because angle ABC and angle DBE are same that is 39 degrees.

So, arc DE = 41

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5 0
3 years ago
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Help me pleaseeeeee I need to pass summer school
GalinKa [24]

Answer:

3(6) -1

 ------------

 2(6)+1

Step-by-step explanation:

first find r(6)

r(6) =3(6) -1

      = 18 -1

Then find s(6)

s(6) = 2(6)+1

Then divide

r(6)/s(6) = 3(6) -1

               ------------

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6 0
3 years ago
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How to find the area of a regular polygon?
vaieri [72.5K]
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3 years ago
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