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const2013 [10]
2 years ago
12

The first one is exponential form

Mathematics
1 answer:
WITCHER [35]2 years ago
7 0

Answer:

i believe the first one should be 20 5 since its supposed to be in expanded form but i dont know the second one sorry hope you do good

Step-by-step explanation:

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3 years ago
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Two cars leave from a town at the same time traveling in opposite directions. One travels 5 mph faster than the other. In 3 hour
Doss [256]

Let the slower cars speed equal X.

The faster cars speed would be X+5 ( 5 mph faster).


They traveled for 3 hours

Multiply the time of travel by speed to equal the number of miles traveled.

So you have:

3X + 3(X+5) = 267 miles

Simplify the left side:

3X + 3X+15 = 267

Combine like terms:

6x + 15 = 267

Subtract 15 from each side"

6x = 252

Divide each side by 6:

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The slower car was traveling at 42 mph and the faster car was traveling at 47 mph.




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3 years ago
In the data set below, what is the lower quartile?<br> 1<br> 2<br> 3<br> 3<br> 7<br> 8<br> 8
Levart [38]
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3 0
3 years ago
Abcdefg I need help on math please
Verizon [17]

5*5+5=30 5*5-15=10 30/10= 3

3 0
3 years ago
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Can someone please help me with this, I'm having trouble
dexar [7]
This is another one for my "impossible math question" file. All of the answer choices are wrong. (None applies.)

According to the problem statement, the length you have marked "x" in the diagram is 15 inches. If the side length of one of the pavers is "s", then the Pythagorean theorem tells us
  s² + (2s)² = 15²
  5s² = 225
  s² = 225/5 = 45 . . . . . . the area of one square is 45 in² (not 225 in²)

Then
  s = √45 = 3√5 . . . . . . . the length of one side is not 5√3
so the perimeter is
  p = 4s = 4·3√5 in = 12√5 in ≈ 26.83 in . . . . not 75 inches.

The area of the 6-block L-shaped path is
  total area = 6s² = 6·45 in² = 270 in² . . . . not 450 in²

And the total perimeter is 14 sides, so is
  total perimeter = 14s = 14·3√5 in = 42√5 in . . . . not 60√3 in


_____
In cases like this where the answer key is incorrect, you might try asking your teacher show the class how to work the problem.
7 0
3 years ago
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