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tatyana61 [14]
3 years ago
13

Solve the system of equations by Linear Combination (Elimination)

Mathematics
1 answer:
Alla [95]3 years ago
5 0
Let me know if you have any questions!

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If Susie is late for school one particular day of the week, the probability she arrives on time the next day is 0.8. If she arri
Andre45 [30]

Answer:

0.273 = 27.3% probability that she was late on Thursday.

Step-by-step explanation:

On time on Monday, late on Thursday:

Possible outcomes (tuesday-wednesday-thursday).

on time(0.7 probability) - on time(0.7 probability) - late(0.3 probability)

on time(0.7 probability) - late(0.3 probability) - late(0.2 probability)

late(0.3 probability) - on time(0.8 probability) - late(0.3 probability)

late(0.3 probability) - late(0.2 probability) - late(0.2 probability).

What is the probability she was late on Thursday?

Sum of these four outcomes. So

p = 0.7*0.7*0.3 + 0.7*0.3*0.2 + 0.3*0.8*0.3+0.3*0.2*0.2 = 0.273

0.273 = 27.3% probability that she was late on Thursday.

4 0
2 years ago
A shipping crate is packed with unit cubes. The length of the crate is 4
aleksley [76]

Answer:

The volume of shipping crate is 32 unit cubes.

Step-by-step explanation:

Given that:

Length of the crate = 4 units

Width of the crate = 2 units

Height of the crate = 4 units

Volume of shipping crate = Length * Width * Height

Volume of the crate = 4 * 2 * 4

Volume of crate = 32 unit cubes.

Hence,

The volume of shipping crate is 32 unit cubes.

7 0
3 years ago
Read 2 more answers
Dylan has 765 cards in his baseball card collection. He sells 153 of the cards. What is the percent of decrease in the number of
AlladinOne [14]
Simply divide 153 by 765 to get the percent. This equals .2

ANSWER 20%
6 0
3 years ago
Hoose the correct answer.
jarptica [38.1K]
2) Music to my ears 
3)A breeze
4)clear skies
5)worm out
6)worm out
7)sail through
Hope this helped :) 
6 0
2 years ago
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What is the difference between dividing fractions less than 1 and dividing mixed numbers I WILL GIVE BRAINLEIST PLEASE
Naily [24]

Remember , a fraction represents the parts of a unit. It is proper when the numerator is less than the denominator; and improper when the numerator is greater than the denominator. Improper fractions can be written as a mixed number in which the integer part and the corresponding proper fraction appear.

Sure hope this helps

7 0
2 years ago
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