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Svetradugi [14.3K]
3 years ago
10

Alex made a sketch for a poster contest. The sketch measures 4 in. × 5 in. The scale factor from the sketch to the finished post

er was 2 in. to 5 in. What were the dimensions of the poster?
Mathematics
1 answer:
leonid [27]3 years ago
3 0
<span>4*5/2 = 10
5*5/2 = 25/2 = 12/5 

The poster is 10 x 12.5 inches. </span>
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A chemist recorded the change in temperature of a cooling liquid as −25.5°F over a 1.5 minute period. The temperature fell at a
Strike441 [17]

The rate of change in temperature is −17°F/min

<h3>Rate of change of a function</h3>

The formula for calculating the rate of change of a function is expressed as:

Rate of change = rise/run

This is also known as the slope of the function

Given the following parameters

Temperature = −25.5°F

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Rate = −25.5°F/1.5min

Rate = −17°F/min

Hence the rate of change in temperature is −17°F/min

Learn more on rate of change here: brainly.com/question/8728504

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3 years ago
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F(x)=4x+1 and g(x)=x^2-5find(f-g)(x)
Vinvika [58]

Answer:

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Step-by-step explanation:

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This gives the requires expression

4 0
3 years ago
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