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Sophie [7]
3 years ago
11

−5y + 3y^2 + 2y − 2y^2 − 9 combine like terms and write in standard form

Mathematics
1 answer:
Blababa [14]3 years ago
6 0

Answer:

y^2 - 3y - 9

Step-by-step explanation:

Combining Like Terms: y^2 - 3y - 9

Writing in Standard Form: y^2 - 3y - 9

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Which situation can be represented by this equation? <br> 2,500 + 40x = 7,300-60x
koban [17]

Answer:

x= 48

Step-by-step explanation:

2500+40x+60x=7300\\40x+60x=7300-2500\\100x=7300+2500\\100x=4800\\x=4800/100\\x=48

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A worker in a silver mine descends 70 feet. Use an integer to represent the change in the​ worker's position.
kherson [118]

Answer:

-70

Step-by-step explanation:

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3 years ago
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Hellllllllllllllllllllllllllppppppp-p
kirill115 [55]

Hi there!

c=74

<u><em>Equation:</em></u>

26+c=100

c+26=100

100-c=26

100=c+26

100=26+c

<u><em>1.Find the meaning:</em></u>

so 26 contacts and then the total would be 100 which would be 26+c=100...

<em><u>2.Subtract the two terms:</u></em>

<em><u /></em>100-26=74<em><u /></em>

Therefore, c=74

6 0
3 years ago
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A boat traveled 100 miles downstream and back the trip downstream took five hours the trip back to 10 hours what is the speed of
salantis [7]

Answer:

  • boat: 15 mph
  • current: 5 mph

Step-by-step explanation:

The relation between time, speed, and distance is ...

  speed = distance/time

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The speed downstream is ...

  downstream speed = (100 mi)/(5 h) = 20 mi/h

The speed upstream is ...

  upstream speed = (100 mi)/(10 h) = 10 mi/h

The boat's speed in still water is the average of these:

  boat speed = ((downstream speed) + (upstream speed))/2 = (20 +10)/2 mi/h

  boat speed = 15 mi/h

__

The speed of the current is the difference between the travel speed and the boat speed:

  current speed = downstream speed - boat speed

  = (20 mi/h) - (15 mi/h)

  current speed = 5 mi/h

8 0
3 years ago
A square has an area of 4ft. What is the length of watch side
ohaa [14]

Answer:

2

Step-by-step explanation:

square have the same side length is the area is 4 you would have to find what number that you can multiply by itself twice (ex: 2x2) that gets you four the only number does that is 2

6 0
4 years ago
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