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anzhelika [568]
3 years ago
12

A weather station on the top of a mountain reports that the temperature is currently 0°C and has been falling at a constant rate

of 3°C per hour. What was the temperature 4.5 hours ago ?
Mathematics
1 answer:
schepotkina [342]3 years ago
3 0

Answer:

10.5 degrees Celsius

Step-by-step explanation:

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I think it's 462.99, rounded it's 463

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What is the domain of F(x)
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15. What is the algebraic notation of a figure is Translated 8<br> units left and 2 units up?
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Answer:

Please check the explanation.

Step-by-step explanation:

When a figure is translated with 8 units left and 2 units up, it means the translated figure can be obtained by subtracting 8 units from the x-axis and adding 2 units to the y-axis.

For example, if a point P(0, 0) is translated with 8 units left and 2 units up, the new position of the point will be:

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P(0, 0) → P'(0-8, 0+2) = P'(-8, 2)

Thus, the new location of the image of point P will be: P'(-8, 2)

Therefore, option (a) is the correction answer.

<em>                                           </em><u><em>FOR QUESTION 16</em></u>

As the algebraic notation of a figure is Translated 2 units right and 5 units up.

Translating 'a' units right mean, we need to add 'a' units to the x-axis.

Thus, the rule will be:

(x, y) → (x+2, y+5)

Therefore, option (b) is correct.

4 0
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The number of books borrowed from a library each week follows a normal distribution. When a sample is taken for several weeks, t
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1 SD away from mean is 68% of data.
2 SD away from mean is 95% of data.
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1 SD away:
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2 SD away: 
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This shows we are on the outer 5 percent of the normal distribution.
Since you said "more", that means we only look at the right side of your 5%, which is only 2.5%

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What is the value of x?<br> x = ___°
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I believe the answer to be 45
Hope this helps you 
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