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labwork [276]
4 years ago
7

Plz aswer and explain this to me i dont get it

Mathematics
1 answer:
WINSTONCH [101]4 years ago
8 0

Answer: 36

Step-by-step explanation:

1) Find the prime factorization of 12

12=2*2*3

2) Find the prime factorization of 18

18=2*3*3

3) Multiply each factor the greater number of times it occurs in the first two steps above to find the LCM.

LCM=2*2*3*3

4) LCM=36

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Which of the following is true of the location of the terminal side of an angle, Theta, whose sine value is One-half?
FinnZ [79.3K]

Answer:

Theta has a reference angle of 30° and is in Quadrant I or II

Step-by-step explanation:

Sin(theta) = ½

Basic angle: 30

Angles:

30,

180-30 = 150

Because sin is positive in quadrants 1 and 2

6 0
3 years ago
Read 2 more answers
For AB, point A has coordinates (3, -5) and point B has coordinates (-1, 9). What are the coordinates of the midpoint of AB?
kow [346]
The coordinates midpoint of AB are (1,2)
5 0
3 years ago
If a → b is true, then ~a → b is also true.
Rasek [7]

Answer:

False

Step-by-step explanation:

To determine whether the statemaent "If a\Rightarrow b is true, then \neg a\Rightarrow b is also true" holds, you can form the truth table:

\begin{array}{ccccc}a&b&a\Rightarrow b&\neg a&\neg a\Rightarrow b\\1&1&1&0&1\\1&0&0&0&1\\0&1&1&1&1\\0&0&1&1&0\end{array}

When the result of the column a\Rightarrow b takes value 1 (true), the result of the column  \neg a\Rightarrow b is not always 1, then the statement is false.

7 0
3 years ago
3 miles 1,254 feet = how many feet
Veseljchak [2.6K]

Answer: 17,094 feet

Step-by-step explanation:

5280 ft. in 1 mile

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15,840+1,254= 17,094 ft.

3 0
3 years ago
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Question 1
bogdanovich [222]

Answer: The percent of red lights last between  2.5 and 3.5 minutes = 95.44% approx.

Step-by-step explanation:

Given: Mean time = 3 minutes

standard deviation = 0.25 minutes

The probability of red lights last between  2.5 and 3.5 minutes :-

P(2.5

The percent of red lights last between  2.5 and 3.5 minutes = 95.44% approx.

7 0
3 years ago
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