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stepan [7]
3 years ago
11

A department store has a discount box of cell phone cases. In the box are 10 leather cases, 12 protective plastic cases, and 6 f

abric cases.
If a customer randomly selects a case, what is the probability that it is a fabric case?

Enter your anwser as a fraction, in simplified form, in the box.
Mathematics
1 answer:
lara [203]3 years ago
8 0
3 out of 14 chance of a fabric case
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If 3, x, y, -9 are in A.P, find the values of x and y.​
Serggg [28]

Answer:

  • x = -1
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Step-by-step explanation:

The common difference (d) can be found using the first and 4th terms:

  a1 = 3

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  -9 = 3 +3d . . . . . simplify

  -3 = 1 + d . . . . . . divide by 3

  -4 = d . . . . . . . . . subtract 1

Then ...

  x = a1 + d = 3 -4 = -1

  y = x + d = -1 -4 = -5

The values of x and y are -1 and -5, respectively.

6 0
3 years ago
What is the graph description for y=-10x
Serga [27]
Y = - 10x has a negative slope, m = -10, and a y-intercept of (0, 0).

The graph includes the following points:

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Attached is a screenshot of the graph, where it includes the y-intercept crossing along the point of origin, (0, 0).

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8 0
2 years ago
Can u solve this for me: 72 + 4x = 2x + 82 and please show work
8_murik_8 [283]
The answer is X = 5 because first you have to take away 2x from that side so u minus 2x from 4x that gives u: 72 + 2x = 82 then you have to minus 72 from both sides and that gives you 2x = 10 once you have that you divide both sides by 2 because you want the X by itself and once you get that X = 5. Hope this helped!
8 0
3 years ago
Read 2 more answers
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Mrs. Yin bought more turkey than chicken. I know because 0.80 is greater than 0.69
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This would be random. This is because Carrie has no clue or has a limited knowledge of what type of shells he would grab. 
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