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Olenka [21]
3 years ago
8

Pls help w work!!

Mathematics
1 answer:
Kazeer [188]3 years ago
4 0

Lets Do

\\ \sf\longmapsto p = 2(l + w) \\ \\ \sf\longmapsto l + w =  \frac{p}{2}  \\ \\ \sf\longmapsto w =  \frac{p}{2}  - l \\ \\ \sf\longmapsto  \boxed{ \bf \: w =  \frac{p - 2l}{2} }

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Please help 10 points each but beware if you use my points for no reason I'll report you
DochEvi [55]

Answer: 80 cubic centimeters

Step-by-step explanation:

Use the formula: V=\frac{1}{3}Bh

(B is the area of the pyramid's base)

V=\frac{1}{3}(16)(15)

Multiply: 16 x 15 =240

              \frac{1\\}{3} x 240 = 80

              V= 80cubic centimeters

4 0
1 year ago
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The volume of a rectangular pyramid is 900 cubic centimeters.It has a length of 10 centimeters and a width of 9 centimeters. Wha
MariettaO [177]
The height of a rectangular pyramid is 30 cm.

volume of rectangular pyramid = (length x width x height) / 3

Given: 
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Length = 10 cm
Width = 9 cm
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V = lwh/3
900 cm³ = (10cm * 9cm * h)/3
900 cm³ * 3 = (90cm² * h)/3 * 3
2700 cm³ = 90cm² * h
2700 cm³/90cm² = 90cm² * h/90 cm²
30 cm = h

to check:
900 cm³ = (10 cm * 9 cm * 30 cm)/3
900 cm³ = 2700 cm³/3
900 cm³ = 900 cm³
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