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max2010maxim [7]
2 years ago
7

Billy has 201 packages of postcards. Each package has 18 cards. Use rounding to estimate. About

Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
8 0
Billy has 3,618 cards
201 * 18 = 3,618
18 card per package
201 packages
3,618 cards all together
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A total of 17,100 seats are still available for the next hockey game. If 62% of the tickets are sold, how many seats are in the
MrRa [10]

Answer:

We have

seats x ( 62 / 100 ) = (seats - 17,100);

seats x 62 = 100 x (seats - 17,100);

seats x 62 = seats x 100 - 1710000;

1,710,000 = seats x 38;

seats = 1,710,000 ÷ 38;

seats = 45,000;

The correct answer is c. 45,000 seats;

Step-by-step explanation:


6 0
3 years ago
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What is 8/21 in simplifeyd
telo118 [61]

The fraction 8/21 cannot be simplified because the numerator and denominator don't have a common factor except 1.

4 0
3 years ago
In a certain region, there is a 0.1 probability that any checked passerine bird's nest will
mamaluj [8]

Answer:

Probability of at least two cuckoo eggs is 0.738.

Step-by-step explanation:

probability of cuckoo egg = 0.1

probability of not a cuckoo egg = 1 - 0.1 = 0.9

Probability of at least two cuckoo eggs is

= Probability of two cuckoo eggs x probability of 1 not cuckoo egg +

probability of three cuckoo eggs

= 0.1 x 0.1 x 0.9 + 0.9 x 0.9 x 0.9

= 0.009 + 0.729

= 0.738  

5 0
3 years ago
What to write it here
Orlov [11]

Answer:

84 degrees

Step-by-step explanation:

Angle A = 83 degrees

Angle B = x degrees

Angle C = 135 degrees

Angle CDE = 122 degrees

We know that the four inner corners of a quadrilateral should add up to 360 degrees. Two supplementary angles will add up to 180 degrees. Adjacent angles on a straight line will always be supplementary. Knowing this, just solve for <ADC and add that amount to <A and <C. Then, subtract that sum from 360 degrees.

<ADC = 180-122 = 58

58+83+135 = 276

360-276 = 84 degrees

7 0
2 years ago
Is 5/12 greater than or less than 3/6?
Advocard [28]
5/12 is less than 3/6.
8 0
3 years ago
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