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Alja [10]
3 years ago
5

The symbols for elements with accepted names Group of answer choices consist of a single capital letter consist of a capital let

ter and a small letter consist of either a single capital letter or a capital letter and a small letter no answer is correct
Mathematics
1 answer:
raketka [301]3 years ago
7 0

Answer:

consist of either a single capital letter or a capital letter and a small letter.

Step-by-step explanation:

A chemical reaction can be defined as a reaction in which two or more atoms of a chemical element react to form a chemical compound.

In Chemistry, a chemical element can be defined as any pure substance that is typically made up of only atoms and cannot be broken down into simpler substances through chemical processes. Thus, the atomic number (the number of protons in the nuclei of an atom) of a particular chemical element distinguishes from other chemical elements.

Generally, all chemical elements are denoted or represented by a symbol, which may either be single capital letter or a capital letter and a small letter.

This ultimately implies that, the symbols for elements with accepted names consist of either a single capital letter or a capital letter and a small letter. For example, the symbol for sodium is Na, copper is Cu, carbon is C, oxygen is O, iron is Fe, nitrogen is N, magnesium is Mg, potassium is K, argon is Ag, hydrogen is H, helium is He, phosphorus is P, etc.

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The Washer family spent $15.80 each week for milk until the milk prices rose 5% in their town How much do they spend weekly on m
Law Incorporation [45]
15.80 * 1.05 should give you the answer

A method to solve it would be would be:
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6 0
4 years ago
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A 92-ft tree casts a shadow that is 120 ft long. What is the angle of elevation of the sun?
valentinak56 [21]

Answer:

The angle of elevation of the sun is 38°

Step-by-step explanation:

We can set up the diagram for the the question by interpreting it, you can check the diagram at the attached file.

We can see that after the interpretation of the question we arrived at a triangle,. Where the vertical side represent the 92-ft. which is the height of the tree and the horizontal side represent the 120 ft. which is the shadow's lenght. Then the angle of elevation of the sun can ba calculated using tangent ratio, from our knowledge of trigonometry

Tan(θ )= opposite/adjacent

Where our opposite =92ft

Adjacent= 120ft

Tan(θ ) =92/120

θ =tan-1( 92/120)

θ = 37.48°

Therefore, the angle of elevation of the sun If we round up our decimal value to the nearest 10th, we have θ = 38°

6 0
3 years ago
A woman is 70in tall and his shadow is 35in long. A nearby flagpole has a shadow that is 72in long. How tall is the flagpole?
adelina 88 [10]
The flagpole is 144 inches tall. Hope it help!
4 0
4 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
Montano1993 [528]
It is 7

2*2x = 4x + 2 = 30

4x = 28

x = 7
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3 years ago
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