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Andreas93 [3]
3 years ago
13

A parking lot that has 520 spaces

Mathematics
2 answers:
Sholpan [36]3 years ago
6 0

Answer:

75%

Step-by-step explanation:

390/520 = 0.75 =75

hope that helps ;)

WINSTONCH [101]3 years ago
3 0

Answer:

75%

Step-by-step explanation:

390/520×100%

0.75×100%

75%

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bulgar [2K]

Answer:

1/9

Step-by-step explanation:

120/1080 can be simplified to 1/9

4 0
3 years ago
How do you do this?
lora16 [44]
X/5 = 24/8
  (because the triangles are similar)

x/5 = 3

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6 0
3 years ago
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F(x)=4(x+2)(x+2)-6 in standard form
ollegr [7]

Answer:

4x^2 + 4x -2

Step-by-step explanation:

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8 0
3 years ago
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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
4 years ago
21x <br> 3<br> +28x <br> 2<br> −49x−12x <br> 2<br> −16x+28
Serhud [2]

Answer:

2

1

3

+

2

8

2

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4

9

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2

2

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6

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8

Step-by-step explanation:

8 0
3 years ago
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