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Alex787 [66]
2 years ago
13

The sum of three numbers is 41.

Mathematics
1 answer:
kompoz [17]2 years ago
4 0

Answer:

look below

Step-by-step explanation:

a = the 1 st# b = 2nd # c= 3rd #

a+b+c=41

b=5a

c=14-b

plug in one of those values

a+b+14-b=41

a+14=41

-14

a=27

plug in the "a" value

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The volume of the trough is V(w) = w³ + 20w² - 429w and the rate of change of the volume over a width of 38 inches to 53 inches is 4695 in³/in

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Let w represent the width, hence:

length = w + 33, height = w - 13

Volume (V) = w(w + 33)(w - 13) = w³ + 20w² - 429w

V(w) = w³ + 20w² - 429w

Rate of change = dV/dw = 3w² + 40w - 429

When w = 38, dV/dw = 3(38)² + 40(38) - 429 = 5423

When w = 53, dV/dw = 3(53)² + 40(53) - 429 = 10118

Rate = 10118 - 5423 = 4695 in³/in

The volume of the trough is V(w) = w³ + 20w² - 429w and the rate of change of the volume over a width of 38 inches to 53 inches is 4695 in³/in

Find out more on equation at: brainly.com/question/2972832

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4 0
2 years ago
63 first-year teachers and 27 experienced teachers attended a school staff meeting. What percentage of the teachers in the meeti
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Step-by-step explanation:

Step 1:

Total number of teachers = 63 + 27

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Step 2:

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3 years ago
This is a hard one for me. Can someone solve this one.
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Step-by-step explanation:

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Answer:

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