IdeasCuriosas - Every Question Deserves an Answer Logo

Questions in Grade Middle-school

[Answered] If \( X \) is the set of negative numbers and \( Y \) is the set of positive numbers, then the union of \( X \), \( Y \), and 0 is the set of: A. all real numbers B. all integers C. all rational numbers D. all irrational numbers E. all odd integers

[Answered] What is the highest mountain on each continent?

[Answered] Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is used in molecular clocks to determine which of the following? A. Morphological relationships B. Molecular phylogenies C. Evolutionary relationships

[Answered] How did Niccolò Machiavelli’s book "The Prince" set him apart from other writers of the Renaissance?

[Answered] How do we use the Pythagorean theorem in everyday life?

[Answered] What are the operation signs that make this statement correct? 3 _ 5 _ 7 _ 18 _ 3 = 14

[Answered] Lara has a tin of peanuts, cashews, and pecans. She will pick a second nut without looking. How many outcomes are there for her two picks?

[Answered] What is the gram-formula mass of [tex]$\text{Fe(NO}_3)_3$[/tex]? 1. 146 g/mol 2. 194 g/mol 3. 214 g/mol 4. 242 g/mol

[Answered] Help solve the following equation: \[ 20.6 + 2.1x = -8.2x \]

[Answered] Convert 7.0055 into a mixed number in simplest form.