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Aleksandr [31]
3 years ago
10

Solve by any method (graphing, substitution, linear combination) y=x−7 5x+2y=7

Mathematics
1 answer:
Virty [35]3 years ago
3 0

Answer:

  (x, y) = (3, -4)

Step-by-step explanation:

See the attached for a graph.

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The measure of one interior angle of a regular polygon is two times the measure of one of its exterior angles. How many sides do
ivann1987 [24]

Answer:

6 sides

Step-by-step explanation:

The measure of one interior angle of a regular polygon is two times the measure of one of its exterior angles. How many sides does this polygon have?

Let us represent:

Sum of Exterior angle as x

Sum of Interior angle as y

Note that:

The sum of the exterior angles of a polygon = 180 - The sum of the interior angles

Hence,

The sum of the exterior angles of a polygon + The sum of the interior angles = 180

x + y = 180

The measure of one interior angle of a regular polygon is two times the measure of one of its exterior angles.

2x = y

Substituting

x + 2x = 180°

3x = 180°

x = 180/3

x = 60°

Solving for y

2x = y

2 × 60° = y

120° = y

Hence,

Sum of Exterior angle as x = 60°

Sum of Interior angle as y = 120°

The number of sides of a polygon is

360°÷ Sum of Exterior angles

= 360° ÷ 60

= 6 sides

6 0
3 years ago
11<br> El prisma tiene 9 caras, 9 aristas y 6 vertices.<br> (2 puntos)<br> Cierto<br> Falso<br> 1
Levart [38]
Hi! I don’t know what any of this means but I hope you have an amazing day and I hope god/allah/etc. blesses you :)
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4 0
3 years ago
88511, 16351, ?, 10251 missing number in sequence
Mrac [35]

Step-by-step explanation:

this is really complicated and tricky.

to create the next number, you have to add the first 2 digits of the previous number, then subtract the 3rd from the 2nd digit, multiply the 3rd and the 4th digit, and finally divide the 4th digit by the 5th.

so,

8+8 = 16

8-5 = 3

5×1 = 5

1/1 = 1

giving 16351 as next number.

the missing number we get then

1+6 = 7

6-3 = 3

3×5 = 15

5/1 = 5

giving 73155 as the next (missing) number.

control :

7+3 = 10

3-1 = 2

1×5 = 5

5/5 = 1

gives us 10251 as next number - correct.

but then it will end

1+0 = 1

0-2 = -2 ???? take the absolute value ?

2×5 = 10

5/1 = 5

8 0
2 years ago
The numerical expresion 5+12 represents the sum of 5 and 12
Sphinxa [80]
The sum of a number is the answer to an equation of a number plus a number you are correct.
6 0
3 years ago
What is 58,413,000,000 in scientific notations
blagie [28]

Answer:

5.8413 × 10^10

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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