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lutik1710 [3]
3 years ago
7

Give a polygon with 13 sides, find sum of the measure of its interior angles. a polygon with 13 sides has an interior angle meas

ure sun of
Mathematics
1 answer:
Dmitriy789 [7]3 years ago
5 0

Answer:

sum of interior angles is 1980°

Step-by-step explanation:

(n-2)×180° = (13-2)×180°

= 11×180°

= 1980°

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If k-9=5(k-3)find k​
jok3333 [9.3K]

Answer:

K = 3/2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

k−9=5(k−3)

k+−9=(5)(k)+(5)(−3)(Distribute)

k+−9=5k+−15

k−9=5k−15

Step 2: Subtract 5k from both sides.

k−9−5k=5k−15−5k

−4k−9=−15

Step 3: Add 9 to both sides.

−4k−9+9=−15+9

−4k=−6

Step 4: Divide both sides by -4.

-4k/-4 = -6/-4

K = 3/2

7 0
3 years ago
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Answer:

x=3

Step-by-step explanation:

(x−3)^2=0

Set the x−3 equal to 0.

x−3=0

Add 3 to both sides of the equation.

x=3

7 0
2 years ago
P = 3. Q = -2. Solve 4PQ
gtnhenbr [62]
4(3)(-2)
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3 years ago
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In a game of checkers there are 12 red pieces and 12 black game pieces.Julio is setting up the board to begin playing. what is t
Bond [772]
Since there are equal numbers of pieces, the chances of Julio getting a red on the first pull is 12/24  or 1/2 (reduced)

However on the second pull there are only 11 reds (Julio pulled one out) out of 23 remaining pieces so the chances of pulling the second red are 11/23

Now multiply those possibilities: 
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4 0
3 years ago
Simplify. Assume that no denominator is equal to zero.
maria [59]

Answer:

3³

Step-by-step explanation:

Using the rule of exponents

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Given

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= 3^{(10-7)}

= 3³

3 0
3 years ago
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