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Likurg_2 [28]
2 years ago
13

PLEASE HELP!!!!!!!!

Mathematics
2 answers:
Kitty [74]2 years ago
7 0

32 cm long

15 cm wide

6 cm tall

 

The surface area is the sum of the area of all six sides

 

Two sides are 32 x 15

Two sides are 15 x 6

Two sides are 6 x 32

 

32 x 15 = 480

15 x 6 = 90

6 x 32 = 192

 

Surface area = 2(480) + 2(90) + 2(192) = 960 + 180 + 384 = 1524 cm2

irakobra [83]2 years ago
3 0

Answer:

  • 1044 cm²

Step-by-step explanation:

Since the box doesn't have the top, the total surface area includes 4 sides and the bottom.

  • S = 32(15) + 2(32 + 15)(6) = 1044 cm²

Cardboard used is 1044 cm²

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Step-by-step explanation:

This is a special die.  Its six sides bear the numbers {9, 10, 11, 12, 13, 14}.

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there is only one possibilities for getting a multiple of ten:  {10, 12, 14}

The probability here of getting a multiple of two is 3/6, and that of getting a multiple of ten is 1/6.  But one of the outcomes is found in both result sets:  10.  Getting a multiple of 10 is already included in the event that the outcome is a multiple of two.  My answer here would be 3/6, or 1/2.

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Step-by-step explanation:

Probability is the greater or lesser possibility of a certain event occurring. In other words, probability establishes a relationship between the number of favorable events and the total number of possible events. Then, the probability of any event A is defined as the quotient between the number of favorable cases (number of cases in which event A may or may not occur) and the total number of possible cases. This is called Laplace's Law.

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The addition rule is used when you want to know the probability that 2 or more events will occur. The addition rule or addition rule states that if we have an event A and an event B, the probability of event A or event B occurring is calculated as follows:

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P (B): probability that event B occurs.

P (A⋃B): probability that event A or event B occurs.

P (A⋂B): probability of event A and event B occurring at the same time.

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In this case, being:

  • P(A)= the probability that they purchased a green sweater
  • P(B)= the probability that they purchased a gray sweater
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  • 4 purchased gray sweaters
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  • P(B)=\frac{4}{31}
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Then:

P(A∪B)= P(A) + P(B)

P(A∪B)= \frac{8}{31}+ \frac{4}{31}

P(A∪B)= \frac{12}{31}

<u><em>The probability that they purchased a green or a gray sweater is </em></u>\frac{12}{31}<u><em></em></u>

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