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  • Waiting for answer How does Benedict's solution change colour?

    Benedict's reagent (also called Benedict's solution or Benedict's test) is a reagent used as a test for the presence of mono saccharides (such as glucose and fructose); it is also used for some disaccharides like maltose, or more generally for the presence of aldehydes, in a solution. This video sh...

  • Waiting for answer Given: segment PS is congruent to segment QR; measure of ang...

    Use the and basic arithmetic axioms, as demonstrated below: ##{: (color(black)("Assertion")," | ",color(black)("Reason")), (bar(color(white)("XXXXXXXXXXXXXX")),,bar(color(white)("X...

  • Waiting for answer How do you solve ##Sin(pi/2 - x) cot(pi/2 + x) = -sin x## fr...

    undefined equation. sin (pi/2 - x) = cos x (supplementary arc) ##cot (pi/2 + x) = (cos (pi/2 + x))/(sin (pi/2 + x)) = sin x/(-cos x).## The left side of the equation simplifies to: #...

  • Waiting for answer How do you find the integral of ##int 1/(1 + cot(x))##?

    ##-1/2(ln(abs(sin(x)+cos(x)))-x)+C## Another method is to write this using all tangents: ##I=int1/(1+cot(x))dx=inttan(x)/(tan(x)(1+cot(x)))=inttan(x)/(tan(x)+1)dx## Now, since al...

  • Waiting for answer 4 boys share 3 granola bars equally. How much does each boy...

    ##3div 4 = 3/4## This type of question is so easy when you see what is happening! The question is the answer! You are trying to share out 3 bars between 4 boys... You need to...

  • Waiting for answer How many rings does Jupiter have?

    Not-easy-to-see faint rings of Jupiter: Halo torus of particles near the planet followed by relatively brighter Main that is surrounded by two outer wide, dusty and filmy (aptly named) Gossamer....

  • Waiting for answer How many significant digits does 230. have?

    Gotta admit this is a pet peeve of mine... Whomever wrote this question wants you to say three sig figs. The way they are writing this number is not considered a correct form by man...

  • Waiting for answer What is the average value of a function ##y=3x^5## on the in...

    It is ##0##. The average value is ##1/(3-(-3)) int_-3^3 3x^5 dx## But since ##int_-3^3 3x^5 dx = 0##, the average value is also ##0##.

  • Waiting for answer What does matter mean?

    anything that has mass and takes up space Ex: the table is solid and it has mass and takes space

  • Waiting for answer What are two examples of a hyperbole in act 3 of "Romeo and...

    This one's easy! See below! It all can be found in the very beginning of act 3, when Mercutio and Benvolio are loitering about waiting for this play to climax, basically. I believe...

  • Waiting for answer Can moment of inertia be negative?

    Actually, the answer can be yes. When we are talking about simple ##I_(x x)## or ##I_(y y)## values, then yes these will always be positive. However, when talking about moment products like ##I_(x y)##, these will not necessarily be positive, mainly when holes have been cut in these cross section...

  • Waiting for answer If a thermometer indicates 40 degrees Celsius, what is the t...

    ##104^circ##Fahrenheit Just use this formula in converting Celsius to Fahrenheit: °C to °F Multiply by ##9##, then divide by ##5##, then add ##32## or #...

  • Waiting for answer How do alleles affect phenotype?

    Dominant and recessive alleles are ways biologists determine the expression of a gene. Alleles are represented by alphabetic letters: either homozygous dominant (BB), Heterozygous dominant (Bb), or homozygous recessive (bb). Dominance simply means that it will represent itself physically (the defi...

  • Waiting for answer What are some examples of physical weathering?

    Examples of physical are most common in mountainous regions. Processes such as frost wedging, exfoliation, and the action of plants help break rocks into smaller and smaller pieces...

  • Waiting for answer What is the Law of Syllogism and the Law of Detachment?

    see below. The Law of Detachment states that if the two statements are true: If ##p##, then ##q## ##p## then we can conclude a third statement ==== ##q## Example: If the whale...

  • Waiting for answer How much bigger is the sun than Mercury?

    Depends on whether you are comparing diameters or volumes. has a diameter of: ##1,392,000km## Mercury has a volume of: ##4,879 km## The sun is ##(1,392,000)/(4,879) = 285## times bi...

  • Waiting for answer How are mitosis and meiosis similar?

    They are similar in the sense that they both serve the aim of cell division. Similarities: DNA replication occurs during interphase The do both serve the aim of cell division T...

  • Waiting for answer Why are acetyl chloride or acetic anhydride used instead of...

    Acetyl chloride and acetic anhydride are often used instead of acetic acid because they are more reactive and give better yields of product. The Fischer esterification of an acid is...

  • Waiting for answer What are the distinguishing characteristics of Neptune?

    It's blue. Neptune, like its twin, Uranus, has an atmosphere composed of hydrogen, helium, methane, and ammonia. The methane creates the blue color. Neptune's internal structure is a...

  • Waiting for answer What are two major types of mutations?

    There are several possible answers: silent and coding , point mutations and chromosomal changes, selected and neutral mutations, dominant and recessive mutations.... Mutations could...

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