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aalyn [17]
3 years ago
9

Can a pyramid have rectangles as lateral faces?

Mathematics
2 answers:
tankabanditka [31]3 years ago
4 0
No, it is not possible to have rectangular lateral sides. A pyramid is formed with a polygonal base (aka a base that is a polygon) and the lateral sides are triangles. The lateral sides of any pyramid are always triangles. The triangular faces all meet at the apex point, which is the highest point on the pyramid.

Side Note: The pyramids in Egypt are an example of a rectangular pyramid. This is a pyramid with a rectangular base.
mezya [45]3 years ago
3 0
Answer is no, only the base can be a rectangle
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Heather has divided ​$5900 between two​ investments, one paying 9%, the other paying 4​%. if the return on her investment is ​$3
Leni [432]

Heather invested $2,200 at 9% and invested $3,700 at 4%

What represents the amount invested in each asset?

The amount invested at 9% can be represented as x whereas the balance invested at 4% is (5900-x), as a result, the interest earned on each is computed thus:

Interest 9%=x*9%

interest at 9%=0.09x

Interest at 4%=(5900-x)*4%

interest at 4%=236-0.04x

Total interest=0.09x+236-0.04x

total interest=0.05x+236

Total interest earned=346

346=0.05x+236

346-236=0.05x

110=0.05x

x=110/0.05

x=$2,200(invested at 9%)

amount invested at 4%=5900-2200

amount invested at 4%=$3,700

Find out more about simple interest on:brainly.com/question/14214349

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alexira [117]

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<h3>Answer: Draw a straight line through (0,-7) and (1,-5)</h3>

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You could use any two points you want. For me, the easiest is when x = 0. Plug this into the equation to get

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