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tatuchka [14]
3 years ago
12

Need help please

Mathematics
1 answer:
Marta_Voda [28]3 years ago
6 0

Dear Brainly User,

Your answer is <em>100 g of Au-198 would have a half life of 2.7 </em><em>day.</em>

<em> </em><em> </em><em> </em><em>Hope </em><em>it</em><em> helped</em><em>.</em><em>.</em><em>.</em><em> </em><em>pls </em><em>mark</em><em> brainliest</em>

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The sum of the interior angles of a regular polygon is 1800 degrees. How many sides does is have? *
Rudik [331]

Answer:

12 sides

Step-by-step explanation:

To find the number of sides of a regular polygon with the sum of interior angles of 1800 degrees, we will follow the steps below;

first write down the formula for finding sum of the interior angle of a polygon

s= (n-2)180

where s is the sum of the interior angle and n is the number of side

from the question given, sum of the interior angle s=1800 degrees

substitute s=1800 degree into the formula and solve for n

s= (n-2)180

1800 = (n-2)180

divide both-side of the equation by 180

1800/180 = n-2

10 = n - 2

add 2 to both-side of the equation

10 + 2 = n

12 = n

n= 12

The polygon have 12 sides

5 0
3 years ago
Based on the data, which table shows a constant of proportionality of 3 for the ratio of amps to guitars
Dafna1 [17]

Answer:

table d

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Examine the diagram.
iris [78.8K]

Answer:

5

Step-by-step explanation:

When two lines are crossed by another line (the transversal), the pair of angles on  the opposite and inner side of each of those two lines are called Alternate Interior Angles.  Therefore 5 is the alternate interior angle to 4.

5 0
3 years ago
(−5k<br> ​3<br> ​​ −6k+1)+(−6k<br> ​2<br> ​​ +5k)
Fittoniya [83]

Remove unnecessary parenthesis.

-5k 3 - 6k +1 - 6k 2 + 5k (simplify each term) -15k - 6k + 1 - 12k +5k = -28k +1

Answer: 28k + 1

7 0
4 years ago
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What does y is two less than x stand for
solong [7]

Answer:

Y = X - 2 would be the answer.

5 0
3 years ago
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