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blagie [28]
3 years ago
14

does anyone no how to do this question on math very hard plz explain how to get the answer will mark brailiest 5 star and thx

Mathematics
1 answer:
MrRa [10]3 years ago
5 0

Answer:

Answer is B

Step-by-step explanation:

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Plzzzzzzzz! A suitcase lock has a code 4 symbols long. The symbols on the lock are a star, a square, a circle, a triangle, a lin
34kurt

Answer:

                \dfrac{1}{30}

Step-by-step explanation:

6 symbols and 4-symbol code so number of combinations wich doesn't contain the same symbol twice would be:

6•5•4•3 = 360

If code starts with a star followed by triangle that means only one posibility for first two symbols and code doesn't containing the same symbol twice means that left 4 symbols for next two.

So number of combinations of code starting with a star followed by triangle and doesn't containing the same symbol twice will be:

1•1•4•3 = 12

The probability that a randomly chosen code starts with a star followed by triangle and doesn't contain the same symbol twice:

\dfrac{1\cdot1\cdot4\cdot3}{6\cdot5\cdot4\cdot3}=\dfrac{1\cdot1}{6\cdot5}=\dfrac{1}{30}

7 0
3 years ago
I honestly need help O.o
dimaraw [331]

Answer:

Its b!!!!!!

Step-by-step explanation:

8 0
3 years ago
I need help on this question
Kitty [74]
What is the question? i think that’s important
8 0
3 years ago
2/8 is what as a decimal
Lilit [14]
2/8 is .25 as a decimal  .
8 0
3 years ago
13x -2y -5x +8
Sati [7]

Step-by-step explanation:

1. How many terms are in the expression?

The terms are sorted by looking at the sing/indicator in front of them. For this expression there are 4 terms

13x, -2y, -5x, and 8

2. Which terms are “like terms”?

13x and -5x are like terms.

3. Are there any constants? If so, what are they?

Yes there is a constant terms and it's 8

4. What are the variables in the expression?

The variables in this expression are x, and y

5. What are the coefficients in the expression?

Coefficients is the number in front of variables in this expression the coefficients are 13, -2, and -5

6 0
3 years ago
Read 2 more answers
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