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Rama09 [41]
1 year ago
12

SOMEONE PLEASE HELP ASAPP I NEED HELP

Mathematics
2 answers:
fenix001 [56]1 year ago
6 0
11

A diagonal connects a vertex to another vertex without being a side of the polygon. There are 14 vertices in a 14-gon. This leaves 13 vertices left to connect to (since we cannot connect the vertex to itself). However, two of these vertices will form the sides of the 14-gon. This leaves us with 11 possible diagonals we can draw.
Cloud [144]1 year ago
4 0

Answer:

11

Step-by-step explanation:

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Whitepunk [10]

Since the exponent is on the outside of the paranthesis, you'd have to multiply it by everything on the inside: a^m x b^m

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3 years ago
What is the slope of the line?
Dmitry_Shevchenko [17]

Answer:

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can someone explain scientific notation to me? i dont know if this would be a right question but i need it to be explained
Nikitich [7]

Answer:

In step by step explanation

Step-by-step explanation:

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8 0
3 years ago
In 79 CE, a volcano erupted near Pompeii. Within a day, the city was buried under nine feet of ash. How many inches of ash burie
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3 0
2 years ago
X-5y-z=-20<br><br>-2x-y-6z=25<br><br>-x-4y-z=-15<br>Solve by elimination
Tju [1.3M]

Answer:

x = 0

y = 5

z = -5.

Step-by-step explanation:

X-5y-z=-20

-2x-y-6z=25

-x-4y-z=-15

Add equation 1 and 3:

-9y - 2z = -35 .......... A

Multiply the first equation by 2:

2x - 10y - 2z = -40

Now add this to equation 2:

-11y -8z = -15.............B

Now multiply equation A by -4:

36y + 8x = 140.........C

Add equations B and C:

25y = 125

y = 5.

Substitute for y in equation A:

-9*5 - 2z = -35

2z = -45 + 35 = - 10

z = -5.

Now find x by substituting for y and z in the first equation:

x - 5(5) - (-5) = -20

x - 20 = -20

x = 0.

6 0
3 years ago
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