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serious [3.7K]
3 years ago
15

Find the surface area of the regular pyramid shown to the nearest whole number. Thank you.

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
7 0
4 x 4 = 16

4 x 7 = 28 * 2 = 56

56 + 16 = 72 ft^2
 answer is A



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What is 3.116372 rounded to the nearest hundred thousandths place?
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Answer: 3.11637

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For example 10 becomes 100 when a zero is added. This zero is always added right beside the first zero and indicates the hundreds place.

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A=90
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What two numbers multiply to 10 and add to -29 ?
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Xy=10
x+y=29

subtract x from both sides for second equation

y=-x-29
subsitute in second equaiton
x(-x-29)=10
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quadratic formula
if you have
ax^2+bx+c=0,
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so
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x= \frac{-29+/- \sqrt{801} }{2}
x= \frac{-29+/- 3\sqrt{89} }{2}

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600,000

600,000

600,000

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