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Andreas93 [3]
3 years ago
12

Someone please help with this proof

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
7 0
Easy so you have to choose them then add them and yeah hope this helps bbg
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Is -.47 irrational or not
oksian1 [2.3K]

Answer:

irrational

Step-by-step explanation:

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3 years ago
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What's the sum of an infinite geometric series if the first term is 156 and the common ratio is 2∕3?
DENIUS [597]

Answer:

468

Step-by-step explanation:

Formula for infinite sum of geometric series is;

S_∞ = a1/(1 - r)

Where;

a1 is first term

r is common ratio

We are given;

a1 = 156

r = ⅔

Thus;

S_∞ = 156/(1 - ⅔)

S_∞ = 156/(⅓)

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4 0
3 years ago
During the construction of a skyscraper, a bolt fell from 400 ft. What was the speed of the bolt when it hit the ground?
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Answer:

160

Step-by-step explanation:

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d = 400

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3 years ago
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Burka [1]

Answer:

8 ft

Step-by-step explanation:

Use pythagorean theorem. a^{2}+b^{2}=c^{2}. Put 10 and 6 into the equation as b and c.

a^{2}+6^{2}=10^{2}

a^{2} =100-36\\a^{2}=64\\a=8

Therefore, the answer is 8ft.

A diagram is attached. Sorry it's kinda messy.

7 0
3 years ago
Find the Surface area of the following figure below
Lady bird [3.3K]

Answer:

495

Step-by-step explanation:

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121+374=495

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3 years ago
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