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german
3 years ago
15

1. What is the value of this expression when c = 4? 4C+ 3c- 2c

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

20

Step-by-step explanation:

4(4)+3(4)-2(4)=20

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It's another word for unit rate if that helps
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The perimeter of a rectangle Is 108 centimeters. If the length of the rectangle is five times the width, what are the dimensions
vampirchik [111]

Answer: L=45, W=9

Step-by-step explanation:

Perimeter P=108  so if  L=5W,

P=2(L+W)=2(5W+W)=2(6W)=12W

108=12W

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URGENT WILL GIVE 20 POINTS TO WHOEVER SOLVES THIS MATH PROBLEM
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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
The rate at which a plant grows is constant. At the 3rd week it is 12 inches tall and at the 5th week it is 20 inches tall. If t
Arada [10]
First, you want to find the slope of the line. You do this by taking the difference in the heights divided by the difference of the time.
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m=8/2
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y=mx+b
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12=12+b
b=0
This is saying that there is no y-intercept (b).
So our final equation is:
y=4x
The question is asking for y when x is 1, so just plug it into the equation:
y=4(1)
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Hope this helps!
7 0
3 years ago
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Answer:

50 miles

Step-by-step explanation:

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