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morpeh [17]
2 years ago
6

Please help me asap (geometry)

Mathematics
1 answer:
Nitella [24]2 years ago
3 0

Answer:

x is ten

Step-by-step explanation:

9 times ten is 90, then minus 40 is 50, and 3 times ten is 30, plus 20 is 50

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If you are looking for the anwser it's 2,040
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3 years ago
Find the slope of the line graphed. A)1/2 B)1 C)2 D)4
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Answer:

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Step-by-step explanation:

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8 0
2 years ago
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Of the following sets, which numbers in {1, 2, 3, 4, 5} make the inequality 3x + 1 > 4 true?
satela [25.4K]

Answer:

{2, 3, 4, 5}

Step-by-step explanation:

3x + 1 > 4

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5 0
3 years ago
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SSSSS [86.1K]

Answer:

Expected number of hours before the the group exits the building = E[Number of hours] = 3.2 hours

Step-by-step explanation:

Expected value, E(X) is given as

E(X) = Σ xᵢpᵢ

xᵢ = each variable

pᵢ = probability of each variable

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D | X | P(X)

1 | 3.0 | 0.2

2 | 3.5 | 0.1

3 | 5.0 | 0.2

4 | 2.5 | 0.5

E(X) = (3×0.2) + (3.5×0.1) + (5×0.2) + (2.5×0.5) = 3.2 hours

Hope this Helps!!!

7 0
2 years ago
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A. 8h.
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7 0
3 years ago
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