Answers created by Nam D.
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What is something such as air, food, or shelter that is necessary for survival called?
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An object travels North at #5 m/s# for #6 s# and then travels South at #8 m/s# for #4 s#. What are the object's average speed and velocity?
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Write the beta decay equation for the following isotope: 77/33 As
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If an object is moving at #8 m/s# and accelerates to #32 m/s# over 6 seconds, what was the object's rate of acceleration?
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What is the antiderivative of # ln(x)^2+xdx#?
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$22,000 is invested at a simple interest rate of 1.5%. How much does the investment earn after 6 months?
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Where does the absorption of digested nutrients occur?
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How much power is produced if a voltage of #7 V# is applied to a circuit with a resistance of #42 Omega#?
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Use the de Broglie's Wave Equation to find the wavelength of a 2.22 g ball moving at 2 m/s. Please show your work. Note: h = Plank's constant (6.62607 x 10-34 J s) ?
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How do you multiply #(x + 5y)^3#?
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If a train travels 200 miles in 2.5 hours, what is the rate of speed?
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Potassium is a double salt. Explain this statement using the chemical formula of the alum?
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How many vacuoles are in a plant cell?
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What is the GCF of 18a, 20ab and 6ab?
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A circle has a radius of 10 feet and a central angle AOB that measures 180°. What is the area of sector AOB? Use 3.14 for pi and round your answer to the nearest whole number.
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How do you simplify #(sqrt [6] + 2sqrt [2])(4sqrt[6] - 3sqrt2)#?
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What is the resistance of a lamp when a voltage of 12 V across it causes a current of 4
A?
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How do you calculate the frequency of a wave?
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How is evaporation related to humidity?
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What is the equivalent decimal for 20%?
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How does centripetal acceleration differ from linear acceleration?
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What is the empirical and molecular formula for ibuprofen?
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Why must animals digest their food?
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Use the particle model to explain diffusion of sugar in water.?
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Which state of matter solid,liquid,or gas have the heighest internal energy?
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If you are studying a population a 92% exhibits the dominant phenotype, what percentage exhibits the recessive phenotype?
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How to determine the general form of the equation of the circle whose center is (3,2) and whose graph contains the point (1,2)?
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How do you convert .123 as a fraction?
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A mobile phone measures approximately 7 3/5 inches by 1 1/2 inches by 3/11 inch. What is the volume of a box with these dimension?
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What is the value of #27-2m#, when #m=3#?
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What is the mass of 0.5 moles of #"CO"_2# ?
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What do two sugar isomers have in common?
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What applied force is needed by a 5kg to accelerate 10 m/s2?
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Find the mass in gram of 10 atom of He?
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How to solve-103/5 in decimal form?
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If a projectile is shot at a velocity of #3 m/s# and an angle of #pi/3#, how far will the projectile travel before landing?
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In a problem a student is given the amount of solute in grams and the volume of the solution in milliliters. What must be done with the information before the molarity can be calculated?
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Why are atoms and molecules important to cell processes?
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$100 will become after 20 years at 5% p.a compound interest amount of.
.....?
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How do you write 11/12 as a decimal?
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A charge of #25 C# passes through a circuit every #4 s#. If the circuit can generate #25 W# of power, what is the circuit's resistance?
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How many protons does a sodium atom have?
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What type of biomolecule are enzymes?
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How to solve a-a+a+2a?
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An angle exceeds the measure of its supplement by 40degree .what is the measure of the supplement?
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Y varies inversely with x. When y = 0.7, x = 1.8. What is the value of k, the constant of inverse variation?
Round to the nearest hundredth, if necessary.
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What kind of waves are sound waves; standing waves, surface waves, transverse waves, or longitudinal waves?
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What is acidic soil caused by?
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How is the classification of living things organized?
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Penicillium notatum is what type of organism?
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1/2y+3.2y=20 how many solutions does it have?
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How much current will an electric heater draw from 220v , if the resistance of the heater is 40 ohms
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Which element in the periodic table is the most electronegative?
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A piece of wood is to be cut so that it is square and has an area of 45 square inches. How long should the sides be?
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What is the derivative of the following function? Thank you!
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How do you solve # -18 = 6t#?
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Physics Work and Energy Question?
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If 20 g NaOH and 36.5 g HCl are added in 360g water then % by wei ght HCl ?
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What are two types of nitrogenous bases found in nucleic acids?
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How do you solve the inequality #x - 1 > 2#?
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DNA nucleotides include?
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Gold has a specific heat of 0.129 J/g °C. How many joules of heat energy are required to raise the temperature of 16 grams of gold from 23 °C to 94 °C?
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How much heat is needed to change 4 g of water at 100 oC to steam at 100 oC?
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Find the volume and surface area of a cube if its side is 3 cm?
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How do you simplify #-4^2#?
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Is no work done same as 0 work done?
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Na2SO4.nH2O is Glauber’s salt, 16.1 g of Glauber’s salt is heated to remove water of crystals Atkin completely. Mass of remaining solid sample is 7.1g. What is value of n?
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What happens to animal cells if they are put in fresh water?
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Delilah does 184 jumping jacks in 4 minutes. She does her jumping jacks at a constant rate. How many jumping jacks can Delilah do per minute?
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How much power is produced if a voltage of #6 V# is applied to a circuit with a resistance of #42 Omega#?
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What is the square root of 0.11?
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A 20% sugar solution has a volume of 500 mL. How many grams of sugar does it contain?
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What are the monomers of DNA and RNA?
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How do you simplify #3(x+y)# using the distributive property?
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How does an enzyme work?
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What are all the colours of the visible spectrum?
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Is calcium sulfate an ionic or covalent compound?
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How do you solve #−log(x) = 5.4#?
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What is the derivative of #e^(2x)#?
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How do you convert 989.27 MPA to Pa?
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A 1000 kg crate is being lowered into a ship's hold with an acceleration of 2 ms-2. The tension in the rope is ____N ?
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What is the chemical formula for ammonium chloride?
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How does photosynthesis work?
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The difference of two numbers is 3 and their product is 9. If the sum of their square is 8, What is the difference of their cubes?
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What is the force, in terms of Coulomb's constant, between two electrical charges of #22 C# and #-32 C# that are #7 m # apart?
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What type of reaction occurs when complex compounds are broken down into simpler substances?
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A sample of DNA has 10% Guanine. What is the percentage of Thymine in that sample?
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Simplify.
1.567 + 2.345 - 1.83(5) ?
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How do you evaluate #log_9 9#?
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How do you simplify #1/2(x-5)#?
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What is order of magnitude of 49 kg?
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Why is water often used as a coolant?
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What are ommatidia?
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X-y=7
X+y=10
In linear combination?
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What is the square root of 49? Thanks
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How can we write |-π| without using absolute value symbols ?
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A fuse wire can with stand 0.1A of current. How many bulbs of power rating 110W/220V can be connected in series with the fuse wire, If input supply is 220V?
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Find the energy of photons which corresponds to light of frequency 3*10 power12 hz?
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What are some invasive species to North America?
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What are XX and XY chromosomes?
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