3 years ago

True or False 3 is a factor of n(n + 2)(n − 1) by mathematical induction. Explain why.

Mathematics

1 answer:

Crazy boy [7]3 years ago

8 0

Answer:

false

Step-by-step explanation:

this beacuse when is times with the base that shows the product thats the factor

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Simplify:$$\sqrt{2\sqrt{8^2+15^2}+\sqrt{9^2+40^2}}$$

bagirrra123 [75]

Answer:

$5\sqrt{3}$

Step-by-step explanation:

$\sqrt{2\sqrt{8^2+15^2}+\sqrt{9^2+40^2}}=?\\\\1)\sqrt{8^2+15^2}=\sqrt{289}=17\\2)\sqrt{9^2+40^2}=\sqrt{1681}=41\\3)2\times17=34\\4)\sqrt{34+41}=5\sqrt{3}$

All Done!

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3 years ago

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Please help I’m about to fail and this quiz will bring my grade up.

konstantin123 [22]

Answer:

first blank: -1

second blank: -7

third blank: -13

fourth blank: - 19

Step-by-step explanation:

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3 years ago

In 1950, scientist estimated a certain animal population in a particular geographical area to be 6400 in 2000, the population ha

irina1246 [14]

Answer:

8,100

Step-by-step explanation:

7,200 - 6,400 = 800 increased in 50. Years

What percentage is 800 of 6,400 (%/100 = is/of)

x/100 = 800/6400 (cross multiply)

(800*100)/6400 = 12.50%

(12.50 * 7200)/100 = 900 increased

7,200 + 900 = 8,100

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2 years ago

A model car is 8 inches long and 5.2

Sphinxa [80]

Use proportions here - 8/5.2 = 96/width of actual car. using cross multiplication, 5.2*96 = 8x. this gives you 499.2 = 8x. divide both sides by eight to get x=62.4. the width of the actual car is 62.4 inches.

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3 years ago

Please help <br>(-35)÷(-5)=?

erik [133]

Answer: 7

Step-by-step explanation:

negative / negative = positive

-35 / -5 = 7

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3 years ago

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