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max2010maxim [7]
3 years ago
5

6 less than the product of a number and 3 is 54

Mathematics
2 answers:
tester [92]3 years ago
7 0

Answer:

ikjjjjjkkhhkkhhhjjjffjfhhg

Ann [662]3 years ago
3 0

18 * 3 = 54.

54 - 6 = 48

Have a great day

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The length of one side of a square is (x + 2 1/4). If the perimeter is 14 units, what is the area?
Stels [109]

The perimeter is the total of adding all of the side lengths together.

A square has 4 equal side lengths.

So the perimeter of a square is:

P = s + s + s + s  or  P = 4s

[P = perimeter       s = side lengths of the square]


Since you know the side length of the square is (x + 2 1/4), you can replace s with (x + 2 1/4)

P = 4s

P = 4(x + 2 1/4)  Multiply 4 into (x + 2 1/4)

P = 4x + 8 4/4

P = 4x + 9

Since you know the perimeter, you can plug it in.(you could have also plugged it in in the beginning)

P = 4x + 9

14 = 4x + 9  Subtract 9 on both sides

5 = 4x  Divide 4 on both sides

5/4 = x


Now that you know x, find the side length of the square.

(x + 2 1/4)

(5/4 + 2 1/4)

2 6/4 = 3 2/4 = 3 1/2 units or 3.5 units


To find the area of a square, you multiply 2 of the sides together:

A = s · s  

A = 3.5 · 3.5

A = 12.25 units²

7 0
3 years ago
Miko’s restaurant bill was $16. She used the expression 1.18(16) to find the total cost including an 18% tip.
Lena [83]

The answer is (1+0.18)16.

3 0
3 years ago
Read 2 more answers
3(12+b)=3x12+3xb
Vikentia [17]
This is the distributive property. You take what is outside of the parenthesis and DISTRIBUTE it inside the parenthesis.
4 0
3 years ago
Casey has 8 1/2 yards of fabric she uses 2 1/2 yards to make pillows and 3 yards to make curtains how much fabric is remaining
Oliga [24]

Answer:

3 yards

Step-by-step explanation:

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6 - 3 = 3

Your answer is 3.

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Solve by using factorizing method:4x²-36x+81=0​
boyakko [2]

Answer:

  • x = 4.5

Step-by-step explanation:

  • 4x² - 36x + 81 = 0​
  • (2x)² - 2*2x*9 + 9² = 0           Identity  a² - 2ab + b² = (a - b)²
  • (2x - 9)² = 0
  • 2x - 9 = 0
  • 2x = 9
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8 0
3 years ago
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