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lys-0071 [83]
1 year ago
13

Determine the perimeter and area of a rectangle with lengh 28.3 feet and width 37.25 feet. Round your answers to the nearest hun

dredth as needed.​

Mathematics
1 answer:
Fittoniya [83]1 year ago
7 0

Answer:

<h2>•  Perimeter = 131.10 ft</h2><h2>•  Area = 1054.18 ft²</h2>

Step-by-step explanation:

Perimeter = 2×(28.3+37.25)

                = 131.1

Area = 28.3×37.25

        = 1 054.175

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If 2^x+4 = 2^3x-1, what is the value of x?
Ronch [10]

Answer:

     x = 5/2

Step-by-step explanation:

2^x+4 = 2^3x-1

x + 4 = 3x - 1

3x - x  = 4 + 1

2x   = 5

     x = 5/2

3 0
3 years ago
9/20
NISA [10]

For this case we must find the solution of the following quadratic equation:

x ^ 2 + 5x + 7 = 0

Where:

a = 1\\b = 5\\c = 7

Then, the solution is given by:

x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}

Substituting the values:

x = \frac {-5 \pm \sqrt {5 ^ 2-4 (1) (7)}} {2 (1)}\\x = \frac {-5 \pm \sqrt {25-28}} {2}\\x = \frac {-5 \pm \sqrt {-3}} {2}

By definition we have:i ^ 2 = -1

x = \frac {-5 \pm \sqrt {3i ^ 2}} {2}\\x = \frac {-5 \pm i \sqrt {3}} {2}

Thus, we have two complex roots.

Answer:

The equation has no real roots.

4 0
3 years ago
Solve for x 3x-3&gt;x+7
Sever21 [200]

Answer:

x>5

Step-by-step explanation:

6 0
3 years ago
Adding -6 is the same as?
Maru [420]
O think it is c subtracting 6 because adding and subtracting is the same so it’s either c or d
4 0
2 years ago
Dont know how to solve for x can someone help me
vfiekz [6]
  57 + x + x + 130 = 167
  57 + 2x + 130 = 167
    187 + 2x = 167
  - 187          - 187
---------------------------
    2x = -20
  ------  -------
     2       2

x = -10
5 0
2 years ago
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