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Doss [256]
3 years ago
9

What is the answer to 7 (10-3x) = 5(10-4x

Mathematics
1 answer:
astra-53 [7]3 years ago
3 0

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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If an hourglass takes an average of 1 hour to empty a full cycle, what probability of time does it take longer than 72 minutes i
Arturiano [62]

Answer:

0.82%

Step-by-step explanation:

First find the z-score.

z = (x − μ) / σ

z = (72 − 60) / 5

z = 2.4

Use a chart or calculator to find the probability.

P(Z > 2.4) = 1 − P(Z < 2.4)

P(Z > 2.4) = 1 − 0.9918

P(Z > 2.4) = 0.0082

7 0
3 years ago
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aksik [14]
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3 years ago
2. 8.SP.1.2
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Answer:

A

Step-by-step explanation:

A. because the line of best fit has to be at best fit between the points so is a good approximation of where all the points are heading when you try to predict something.

8 0
3 years ago
Is y2 = x a function thx
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Answer:

Nothing further can be done with this topic. Please check the expression entered or try another topic.

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Step-by-step explanation:

Hope that my answer helped. If my answer did help you then would you be kind to give me brainliest because I've been trying to rank up. If not then it's totally fine. Thanks :)

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Isnt this skewed left since majority of the data is on the right side.
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