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2 years ago

Jenny made her uncle a quilt. The width is 7ft and the length is 5 ft. What is the area of the quilt?

Mathematics

1 answer:

Harman [31]2 years ago

7 0

Answer:

35 ft^2

Step-by-step explanation:

A = wl

A = 7 * 5

A = 35

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A small metal bar whose temperature is 30 C is dropped into a container of 75 C

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It would take about 40 seconds for the temperature to reach 70°C and 44 second to reach 74°C.

<h3>Linear equation</h3>

A linear equation is in the form:

y = mx + b

where y, x are variables, m is the slope of the line and b is the y intercept.

Let y represent the temperature of the metal bar after x seconds, hence:

Since the metal bar has an initial temperature of 30°C, hence:

b = 30, also m = 1°C (increase), The equation becomes:

y = 1(x) + 30 = x + 30

To reach 70°C:

70 = x + 30

x = 40 seconds

To reach 74°C:

74 = x + 30

x = 44 seconds

It would take about 40 seconds for the temperature to reach 70°C and 44 second to reach 74°C.

Find out more on Linear equation at: brainly.com/question/14323743

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$\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}}
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Jenny made her uncle a quilt. The width is 7ft and the length is 5 ft. What is the area of the quilt? ​

Jenny made her uncle a quilt. The width is 7ft and the length is 5 ft. What is the area of the quilt?