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Nesterboy [21]
3 years ago
5

I need help with surface area

Mathematics
1 answer:
patriot [66]3 years ago
4 0

Answer:

Surface Area varies by object/shape.

Ask your teacher/learning helper for those formulas of surface area

Step-by-step explanation:

Surface area is the sum of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

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Machine A can produce 435 widget in 3 hours. At this rate how many widget can machine A produce in 7 hours?
Vesna [10]

Answer:

1015 widgets

Step-by-step explanation:

First investigate how many widgets can machine A produce in 1 hour:

If it produces 435 in 3 hours, then it will produce one third of that in one hour:

In ONE (1) hour \frac{435}{3} = 145 widgets

Therefore in seven (7) hours it will produce seven times the amount it does in one hour, that is:

145 * 7 = 1015 widgets

3 0
3 years ago
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3 years ago
What is the area of rectangle with length 18cm and width 4cm?
miv72 [106K]
I hope this helps you




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5 0
3 years ago
a survey found that 40% of Shoppers at Max a Mart like chocolate ice cream is 20 Shoppers likes chocolate ice cream how many peo
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Let the total number of people surveyed by y. 
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Find the measure of the missing angles.
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Step-by-step explanation:

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