lindsaycarballo57 lindsaycarballo57

10-03-2021
Mathematics

contestada

Pls help this is due today!
Find the width of a rectangular prism that has a height of 43 ft., a length of 23 ft and a surface area of 5,278 ft.2

Use the formula: SA = 2lh + 2lw + 2wh

Respuesta :

lou2007 lou2007

10-03-2021

Answer:

do you have a picture of this

Answer Link

thebecks thebecks

10-03-2021

Answer:

width = 25 ft

Step-by-step explanation:

SA = 2lh + 2lw + 2wh

5278 = (2)(23)(43) + (2)(23)(w) + (2)(w)(43)

reduce:

5278 = 1978 + 46w + 86w

subtract 1978 from each side:

3300 = 132w

divide both sides by 132

w = 25

Answer Link

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