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Svetlanka [38]
3 years ago
10

Combine like terms to create an equivalent expression.

Mathematics
1 answer:
Blababa [14]3 years ago
6 0

Answer:

-1/5m+-4/5

Step-by-step explanation:

ez pz

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PLEASE HELP!!!! I NEED TO GRADUATE HIGH SCHOOL!
Yakvenalex [24]

Answer:

B

Step-by-step explanation:

Class A mean: 4.8

Class B mean: 4

B) yes, .8 less

8 0
3 years ago
a jar contains ten black buttons and six brown buttons. If nine buttons are picked at random, what is the probability that exact
Anuta_ua [19.1K]

Answer:

33.04% probability that exactly five of them are black

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the buttons are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

Desired outcomes:

Five black buttons, from a set of 10

Four brown buttons, from a set of 6.

D = C_{10,5}*C_{6,4} = \frac{10!}{5!(10-5)!}*\frac{6!}{4!(6-4)!} = 3780

Total outcomes:

Nine buttons, from a set of 16.

T = C_{16,9} = \frac{16!}{9!(16-9)!} = 11440

Probability:

p = \frac{D}{T} = \frac{3780}{11440} = 0.3304

33.04% probability that exactly five of them are black

6 0
3 years ago
Which diagram correctly shows all lines of symmetry in the figure?<br> (Please say why)
saveliy_v [14]

The answer is the 2nd one because you can only fold this object like this and no other way.

6 0
3 years ago
Put these numbers smallest to largest 2.6,6.2,2.06,0.26.0.62
Art [367]

Answer:

0.26, 0.62, 2.06, 2.6, 6.2

6 0
3 years ago
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What is the distance between point A and B , to the nearest tenth ?
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I can’t see where they are
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3 years ago
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