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zhenek [66]
3 years ago
13

Can someone help me with number 12 ?

Mathematics
2 answers:
sveticcg [70]3 years ago
6 0
Steps:
3x - 2(0) = 6
3x = 6
X = 2

Plug 2 into the equation

3(2) - 2y = 6
6 - 2y = 6
6 = 6 + 2y
0 = y

If this is wrong try doing it the opposite way which is:

3(0) - 2y = 6
-2y = 6
Y = -3

3x - 2(-3) = 6
3x + 6 = 6
3x = 0
X = 0
Solnce55 [7]3 years ago
3 0

Answer:

3x= 2y +6

and when we put y = 0

then 3x = 6

x = 6/3

x =2

SECOND one , when we put x = 0

0= 2y +6

-6 = 2y

-6/2= y

-3 = y

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M is a perfect square greater than 10 but less than 64​
Karolina [17]

Answer:

See below ~

Step-by-step explanation:

There are 4 possible solutions :

<u>m = 4</u>

  • m²
  • (4)²
  • 16
  • 10 < 16 < 64

<u>m = 5</u>

  • m²
  • (5)²
  • 25
  • 10 < 25 < 64

<u>m = 6</u>

  • m²
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  • 36
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<u>m = 7</u>

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8 0
2 years ago
Read 2 more answers
An Euler Circuit is:
AlladinOne [14]

A path that uses each edge of a graph exactly once and ends at the starting vertex

Step-by-step explanation:

  • Euler path - uses every edge of a graph exactly once
  • Euler circuit - uses every edge of a graph exactly once
  • Euler path - starts and ends at different vertices
  • Euler circuit - starts and ends at the same vertex

6 0
3 years ago
Find the unit rate for 219<br> heartbeats in minutes
Alex
3.65 is the answer ok?
8 0
3 years ago
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A and B are two events.
svlad2 [7]

Answer:

A and B are not independent events because P(A|B)≠P(A)

is the correct answer.

Step-by-step explanation:

If A and B are independent then we must have

P(AB) = P(A) P(B) and also

P(A/B) = P(A)

We are given that

A and B are two events.

Let P(A)=0.5 , P(B)=0.25 , and P(A and B)=0.15 .

P(A/B) = P(AB)/P(B) = 0.15/0.5 = 0.3

i.e. P(A/B) is not equal P(A)

Similarly P(B/A) = P(AB)/P(A) = 0.15/0.25 = 0.6 not equal to P(B)

Hence A and B are not independent.


5 0
4 years ago
Shaun is picking out some movies to rent, and he is primarily interested in documentaries and mysteries. He has narrowed down hi
ycow [4]

Answer:

The total number of combinations in which the movies can be rented such that there is at least one documentary is 27589.

Step-by-step explanation:

The total movies are given as 19 mysteries +12 documentaries=19+12=31

Now the number of total combinations such that 4 movies are rented is given as ^{31}C_4=31465

Now the number of total combinations with no documentary is given as

^{19}C_4=3876

So the number of combination such that at least one movie is documentary is given as

=Total Combinations-Combinations with no documentary

=31465-3876

=27589

So the total number of combinations in which the movies can be rented such that there is at least one documentary is 27589.

7 0
4 years ago
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