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Lisa [10]
3 years ago
9

The distribution of waiting time for an elevator in an office building is shown above. What is the probability you’ll have to sp

end between 30 and 70 seconds waiting for the elevator?
Mathematics
1 answer:
Oxana [17]3 years ago
7 0

Answer:

I don't think this question can be answered without more info

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What is the answer to 7 (10-3x) = 5(10-4x
astra-53 [7]

Answer: 70-27x = 50-20x

Step-by-step explanation: First you do 7 x 10 which equals 70 then 7 x -3x equals -27x. Next you do 5 x 10 which is 50 next you do 5 x -4x equals -20x. So your answer is 70-27x = 50-20x

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3 years ago
The results from spinning a spinner multiple times are given in the table below.
fgiga [73]

Answer:

C

Step-by-step explanation:

If you add all of the numbers together, that is the denominator, 70. The amount of purple is 17, the numerator.

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2 years ago
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elaina wrote two correct variable expressions to represent the phrase “one-fourth of a number.” which variable expressions could
antiseptic1488 [7]
One-fourth of a number

1/4n and n/4
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3 years ago
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Find the length of GI in the triangle below. Show your work.
love history [14]

Answer:

<u>The length of GI is 90.06 units</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

GH = 60 units

HI = 42 units

∠H = 123°

2. Using the Law of Cosines, we can find the length of GI, this way:

GI² = GH² + HI² - 2 * GH * HI * cos ∠H

Replacing with the real values:

GI² = 60² + 42² - 2 * 60 * 42 * cos ∠123°

GI² = 3,600 + 1,764 - 2 * 60 * 42 * -0.545

GI² = 3,600 + 1,764 - 2 * 60 * 42 * -0.545

GI² = 3,600 + 1,764 + 2,746.8

GI² = 8,110.8

<u>GI = √ 8,110.8 = 90.06 units</u>

4 0
3 years ago
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True or false<br> To find the complement of an event (P(not A)), you solve 1-P(A).
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Answer:

true

Step-by-step explanation:

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2 years ago
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