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2 years ago

3. These 3 congruent square pyramids can be assembled into a cube with side length 1

Mathematics

1 answer:

Nina [5.8K]2 years ago

3 0

Answer:

Wow Ashley I see you keep looking for the answers.

Step-by-step explanation:

This is the second time I have seen you looking for the answers on the internet, I am now thinking about giving you a zero for this week's homework. Please refrain from copying because I do not want to give you a bad score.

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How much greater than m2+3mn−n2 is 4m2+5mn+6n2?<br> PLEASE HELP

tiny-mole [99]

Answer:

3m² + 2mn + 7n²

Step-by-step explanation:

Subtract m² + 3mn - n² from 4m² + 5mn + 6n², that is

4m² + 5mn + 6n² - (m² + 3mn - n²)

= 4m² + 5mn + 6n² - m² - 3mn + n² ← collect like terms

= 3m² + 2mn + 7n²

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2 years ago

Dived these numbers in scientific notation.<br><br> (9.6*10^-8)/(3*10^-7)

Wittaler [7]

Answer:50212.5

Step-by-step explanation:

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2 years ago

Devide 30% by 100 and remove the percent sign to convert From a percent to a decimal show me the solution

Marysya12 [62]

Answer:

Step-by-step explanation:

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2 years ago

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The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many t

algol [13]

Answer:

$1\times 10^4\ times$

Step-by-step explanation:

Given:

Width of average grain of salt is, $w=0.0003\ m$

Width of Rhinovirus is, $W=0.00000003\ m$

Now, expressing each width in scientific notation form, we get:

$w=0.0003\ m = 3\times 10^{-4}\ m\\\\W=0.00000003\ m = 3\times 10^{-8}\ m$

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

$\frac{W}{w}=\frac{3\times 10^{-4}\ m}{3\times 10^{-8}\ m}\\\\\frac{W}{w}=1\times 10^{-4-(-8)}=1\times 10^{-4+8}=1\times 10^4\\\\\therefore W=1\times 10^4\times w$

Therefore, the grain of salt is $1\times 10^4\ times$ wider than Rhinovirus.

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3 years ago

In 2000, the population of a town was 8914. The population is expected to grow at a rate of 1.36% each year. What is the populat

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Answer:

Step-by-step explanation:

Answer:

12,495 is the answer

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2 years ago

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