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Lena [83]
3 years ago
15

Find the perimeter of WXYZ. Calculate and round each square root to the nearest tenth.

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
4 0
The answer to your question is A)
Masja [62]3 years ago
3 0

Answer:

A

Step-by-step explanation:

20.7

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Find the solutions to the equation below.
Volgvan

Answer:

A and C

Step-by-step explanation:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero

4 0
3 years ago
What is the number of diagonals that intersect at a given vertex of a hexagon, heptagon, 30-gon and n-gon?
DENIUS [597]

Answer:

i. 9

ii. 14

iii. 405

iv. \frac{n(n-3)}{2}

Step-by-step explanation:

The number of diagonals in a polygon of n sides can be determined by:

\frac{n(n-3)}{2}

where n is the number of its sides.

i. For a hexagon which has 6 sides,

number of diagonals = \frac{6(6-3)}{2}

                                   = \frac{18}{2}

                                   = 9

The number of diagonals in a hexagon is 9.

ii. For a heptagon which has 7 sides,

number of diagonals = \frac{7(7-3)}{2}

                                   = \frac{28}{2}

                                   = 14

The number of diagonals in a heptagon is 14.

iii. For a 30-gon;

number of diagonals = \frac{30(30-3)}{2}

                                          = \frac{810}{2}

                                         = 405

The number of diagonals in a 30-gon is 405.

iv. For a n-gon,

number of diagonals = \frac{n(n-3)}{2}

The number of diagonals in a n-gon is \frac{n(n-3)}{2}

7 0
3 years ago
Heavy rain in Oxford caused the Brandywine Creek to rise. The creek rose three inches the first day, and each day twice as much
alex41 [277]

Answer:

48

Step-by-step explanation:

used a calculator

3 0
3 years ago
Can someone pls help? also what would be the equation/formula be to solve this??
lesya [120]

Answer:

2825.4227689325 millimeters2

Step-by-step explanation:

sorry if wrong!

3 0
3 years ago
Which one of the following would most likely have a negative linear correlation coefficient?
Alja [10]

Answer:

D

Step-by-step explanation:

RATE BRAINLIEST IF RIGHT

7 0
3 years ago
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