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kolbaska11 [484]
3 years ago
13

Give the area of a square when the side is 13ft

Mathematics
1 answer:
Natasha2012 [34]3 years ago
3 0
Area of square = L×W
L×W = 13×13
L×W = 169
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Is 1.25 the same as 25%???????????????????????
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No, it is not. 1.25 is the same as 125%, not 25%.

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What is the value of A and B (5x + b)(5x - b) = ax^2 - 49
Ostrovityanka [42]

Answer:

a=25

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Step-by-step explanation:

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1<br> Sam can run 8 miles in 2 hours. At this rate, how far will he be in 9 hours.
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Step-by-step explanation:

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6. Find the sum or difference<br> 1/3(9 - 6m) + 1/4 (12m-8)
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Answer:

m+1

Step-by-step explanation:

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6 0
3 years ago
Jim, Carla and Tomy are members of the same family. Carla is 5 years older than Jim. Tomy is 6 years older than Carla. The sum o
Blizzard [7]

We are given these three people age below:

  • Jim's age
  • Carla's age
  • Tomy's age

We define the age of Jim as any variable, because the problem doesn't give any specific age. I will define Jim's age as x.

  • Jim's age = x

Next, Carla is 5 years older than Jim. That means if Carla is 5 years older, her age would be x+5.

  • Carla's age = x+5

Then Tomy is 6 years older than Carla. That means the age would be 6+(x+5).

  • Tomy's age = 6+(x+5)

The sum of their three ages is 31 years old. That means we add all these ages and equal to 31.

\large{x + x + 5 + 6 + x + 5 = 31}

Combine like terms and solve for x.

\large{3x + 16 = 31}  \\  \large{3x = 31 - 16} \\  \large{3x = 15} \\  \large{x = 5}

Then we substitute the value of x in ages to find these three people ages.

  • Jim's age = x = 5
  • Carla's age = x+5 = 5+5 = 10
  • Tomy's age = 6+(x+5) = 6+(5+5) = 6+10 = 16.

Answer

  • Jim's age = 5
  • Carla's age = 10
  • Tomy's age = 16
4 0
3 years ago
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