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-BARSIC- [3]
3 years ago
7

PLEASE HELP!! 30 POINTS

Mathematics
2 answers:
Olenka [21]3 years ago
7 0

Answer:

subject?

Step-by-step explanation:

Alina [70]3 years ago
7 0

Answer:

The C, the third one!

Step-by-step explanation:

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How many sides does a regular polygon have with one central of 18 degrees?
Natalka [10]
All of the centra angles in a regular polygon must add up to 360 degrees. Also, because you're told that it is a regular polygon, the "regular" indicates that all of the central angles will be the same. Divide 360 degrees by 18 degrees to get the number of central angles, which is the same as the number of sides. 360/18 = 20. Therefore, the polygon has 20 sides. Hope that helps!
7 0
3 years ago
A company has 3,330 meters of canvas to make tents. If
faltersainse [42]

Answer:

  740

Step-by-step explanation:

If t represents the number of tents made, then 4.5t represents the amount of canvas needed. We have ...

  4.5t = 3330

  t = 3330/4.5 = 740

740 tents could be made.

7 0
3 years ago
At a self-service gas station, 40% of customers pump regular gas, 35% pump midgrade, and 25% pump premium gas. Of those who pump
Aleks04 [339]

Answer:

0.150,0.595

Step-by-step explanation:

Given that at a self-service gas station, 40% of customers pump regular gas, 35% pump midgrade, and 25% pump premium gas. Of those who pump regular, 30% pay at least $30. Of those who pump midgrade, 50% pay at least $30. And of those who pump premium, 60% pay at least $30.

               Regular gas          Midgrade         Premium gas      Total

Percent      40                            35                     25                   100

atleast 30   30%                         50%                 60%

a) The   probability that the next customer pumps premium gas and pays at least $30

=0.25*0.60\\=0.150

b)        the probability that the next customer pays at least $30

= P(regular and pays atleast 30%)+P(premium and pays atleast 30%)+P(midgrade and       pays atleast 30%)

=0.40*0.30+0.35*0.50+0.25*0.60\\=0.12+0.175+0.30\\=0.595                  

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3 years ago
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Pavlova-9 [17]

Answer:

2.9%

Step-by-step explanation:

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3 years ago
A t-shirt increased in price by
kifflom [539]

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923

Step-by-step explanation:

Global warming might cause rising sea levels and severe drought. ... (Also discuss whether power should remain with individual countries or be placed in an all-European government.) Think about the physical and human geography of Europe.

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2 years ago
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