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olchik [2.2K]
3 years ago
9

How do you draw and lable a perimeter using rectangles. The length is x feet the width is( x-7) and write 3 different expression

s that you could use to find the perimeter? ????
Mathematics
1 answer:
EastWind [94]3 years ago
3 0
P=L+L+W+W
P=2L+2W
P=2(L+W)
those are 2 ways so


first one
P=x+x+(x-7)+(x-7)

2nd way
P=2x+2(x-7)

3rd way
P=2(x+x-7)
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Which function rule represents the data in the table?
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Y = mx + b
b: y-intercept (when x equals zero)
m: slope ((y₂ - y₁) ÷ (x₂ - x₁))

Y - Intercept:
To find the y-intercept, just look at the table. The y-intercept is whatever y equals when x equals zero. In this case it is -8.

Slope:
(y₂ - y₁) ÷ (x₂ - x₁)
Pick two points and substitute them into this equation. Let's use (-3, 1) and (-2, -2).
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-3 ÷ 1
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The answer is a.
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Mike took a taxi from his home to the airport. The taxi driver charged an initial fee of $6 plus $3 per mile. The total fare was
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3 years ago
A rectangular prism has a length of 4 ft, a width of 2 ft, and a height of 3 ft. What is the capacity of container
KIM [24]

Answer:

24

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8 0
3 years ago
A thermometer is taken from a room where the temperature is 20°C to the outdoors, where the temperature is 3°C. After one minute
IrinaVladis [17]

Answer:

A. T=7.12°C; B. t=3.32min

Step-by-step explanation:

In order to find the answer we can use the Newton's law of cooling:

y(t)=y0e^{kt} where:

y0=initial temperature - room temperature

k=coefficients

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y(2)=7.12 so the answer is 7.12°C

B. Time in order to read 4°C

4=17e^{-0.4353*t}

ln(4/17)/(-0.4353)=t}

3.32min=t

6 0
3 years ago
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