2 years ago

What is the displacement of a person that walks 4 miles north, 5 miles east, and 8 miles north? (write units as miles)?

Mathematics

1 answer:

rodikova [14]2 years ago

5 0

The displacement is 13 miles northeast.

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Scientists found that a certain particle of dust doubles every 30 minutes. If the scientists tests this out with 21 grams of the

monitta

Answer: $1.663\times 10^{30}\ gm$

Step-by-step explanation:

Given

Population of dust particle doubles every 30 minutes

If the initial sample is 21 grams

The model to predict the population will be

$\Rightarrow P=21\cdot 2^{2t}$

Where t=time in hours

A day has 24 hours . So, for 2 days time is 48 hours

Population is given by

$\Rightarrow P=21\cdot 2^{2\times 48}\\\\\Rightarrow P=21\times 2^{96}\\\\\Rightarrow P=1.663\times 10^{30}\ gm$

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2 years ago

What is 1/3 divided by 4

saveliy_v [14]

Answer:

0.08333333333

Step-by-step explanation:

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3 years ago

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120 times 1.75 show your work plz help me I really dont get it

sineoko [7]

120 * 1.75 = 200

5 times 0 = 0

5 times 2 = 10 carry the 1

5 times 1 = 5 + 1 = 6

7 times 0 = 0

7 times 2 = 14 carry the 1...

7 times 1 = 7 + 1 = 8
1 times 0 = 0
1 times 2 = 2
1 times 1 = 1
add it all together and you get 200.

6 0

3 years ago

Question 6 of 9<br> (3.8).1 = 3. (8.1)<br> O A. True<br> O B. False

Helen [10]

A true because this is an example of the Associative Property by moving the parentheses but having the same outcome.

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3 years ago

Elaine had 5/8 of a pizza left after lunch. She told 5 of her friends that they could share the rest. What fraction of the pizza

Oduvanchick [21]

Answer:

1/8

Step-by-step explanation:

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2 years ago

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