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bija089 [108]
3 years ago
7

What is -8 + -13? A-5 incorrect answer B5 incorrect answer C-21 incorrect answer D21

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
5 0

Answer:

-21

Step-by-step explanation:

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What is x at most 30
andrezito [222]

Answer:

x < 30

Step-by-step explanation:

x is every number less or equal to 30


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A bag contains 20 marbles: 12 red, 4 blue, 3 yellow, and 1 green. Arielle takes out 2 marbles. What is the probability that they
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Total number of marbles in the bag =20

Number of blue marbles =4

Now we just want two blue marbles out of four.

Probability of taking out first marble which is blue =4/20

Now after we took out one blue marble , number of blue marbles left are 3.

Probability of taking out second marble which is blue =3/20

Total probability = 4/20 *3/20 = 12/400

So probability of taking out two blue marbles is 0.03 or 12/400.


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3 years ago
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Which expression is equivalent to (3a)–2?
dimulka [17.4K]
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Use the drop-down menus to complete the paragraph proof. we are given that xy is parallel to zw. if xz is a transversal that int
adoni [48]

Solution:

x y ║ z w→→Given

Also, x z is a transversal, that intercepts x y and z w.

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3 years ago
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