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Galina-37 [17]
3 years ago
13

The sum of the internal angles of a convex polygon is 1080º. Calculate the number of diagonals of this polygon.

Mathematics
1 answer:
vlabodo [156]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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2x-56=34
inessss [21]

Answer:

x=45

Step-by-step explanation:

2x-56=34

Add 56 to both sides

2x-56+56=34+56

Simplify;

2x=90

Divide both sides by 2

2x/2=90/2

Simplify;

x=45

7 0
3 years ago
Read 2 more answers
What is the equation of a line parallel to the x-axis that passes though the point (4,5)? What is the slope of this line
nignag [31]

Answer:

y = 5

slope = 0

Step-by-step explanation:

5 0
3 years ago
X+6-5=8-2 <br> x=? <br> solve the following equation. then place the correct number in the box
Valentin [98]
X
+
6
−
5
=
8
−
2

+
6
−
5
=
8
−
2
Solve
1
Subtract the numbers
x
+
6
−
5
=
8
−
2

+
6
−
5
=
8
−
2
x
+
1
=
8
−
2

+
1
=
8
−
2
2
Subtract the numbers
x
+
1
=
8
−
2

+
1
=
8
−
2
x
+
1
=
6

+
1
=
6
3
Subtract
1
1
from both sides
x
+
1
=
6

+
1
=
6
x
+
1
−
1
=
6
−
1

+
1
−
1
=
6
−
1
4
Simplify
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Subtract the numbers
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=
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7 0
2 years ago
What’s the answer to this question? I’m confused as to how to do this.
choli [55]

Answer:

x = 20

Step-by-step explanation:

(3x + 50) = (6x - 10)

Subtract 6x on each side

3x + 50 - 6x = -10

Combine the x values together

-3x + 50 = -10

Subtract 50 on each side

-3x = -60

Divide each side by -3

x = 20

8 0
3 years ago
Please help i will give you brainly!!!!!!
Vitek1552 [10]

Answer:

1. $33.00

2. $48.00

3. $3.00

4. $36.40

Step-by-step explanation:

44.00 - 25% = 33 —> $33.00

80.00 - 40% = 48 —> $48.00

9.99 - 70% = 2.997 —> (round the 7 up because it's above 5) $3.00

52.00 - 30% = 36.4 —> $36.40

6 0
3 years ago
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