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11Alexandr11 [23.1K]
3 years ago
7

Question 7

Chemistry
1 answer:
astraxan [27]3 years ago
8 0

Answer:

tama yon sagot nya gayahin mo nalang

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General or nonspecific observation is
drek231 [11]
It is an act or instance of viewing or noting a fact, or an occurrence for some scientific or other special purpose
8 0
3 years ago
Please answer asap.......................
Margarita [4]

Answer:

A

Explanation

Devision

6 0
3 years ago
A particular forest is 10,000 acres. Determine its size in hectares. (1 hectare = 2.47
igor_vitrenko [27]

Taking into account the change of units, a particular forest is 4,048.58 hectares.

<h3>Definition of rule of three</h3>

The rule of three is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.

If the relationship between the magnitudes is direct, the direct rule of three must be applied using the following formula, where a, b and c known data and x the variable to be calculated:

a ⇒ b

c ⇒ x

So: x= (c×b)÷ a

The direct rule of three is the rule applied in this case where there is a change of units.

<h3>Size in hectareas</h3>

To perform in this case the conversion of units, you must first know that 1 hectare = 2.47 acres.

So, the rule of three can be used as follow: if 2.47 acres is 1 hectare, 10,000 acres equals how many hectares?

2.47 acres ⇒ 1 hectare

10,000 acres ⇒ x

So: x= (10,000 acres ×1 hectare)÷ 2.47 acres

Solving:

<u><em>x= 4,048.58 hetares</em></u>

In summary, a particular forest is 4,048.58 hectares.

Learn more with this example:

brainly.com/question/12482948

#SPJ1

8 0
2 years ago
On the periodic table, which groups of elemen tend to positive ions? A. Group 1 and Group 2 B. Group 16 and Group 17 C. Group an
scoundrel [369]

Answer:

Group 2

Explanation:

I hope this helps

5 0
3 years ago
The density of copper is 8.9 g/mL. What is the volume of 20.5 g copper?
love history [14]

Answer:

density = 8.9 g/ml

m = 20.5 g

V = ... ?

density = m/V

V = m / density

= 20.5 / 8.9

= 2.30337 ml

3 0
3 years ago
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