Answers created by devi f.

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• Paints are generally sold as alkyd (oil based) or latex (water based). To dilute these paints or to clean the paintbrushes, what solvents must be used for each type? Be specific, and explain why each solvent is appropriate
  
• In triangle ABC, <B is a right angle and m<A = 40. Given that AC = 15, what is AB to the nearest tenth?
  
• How do you evaluate #sin^-1(sin((11pi)/10))#?
  
• How can the universe be endless?
  
• How big is the universe in AU?
  
• How does stress affect your five senses?
  
• How can I draw velocity vector diagrams?
  
• Why are the arteries and veins connected by the capillaries? If veins carry de-oxygenated blood and arteries carry oxygenated blood, why are they connected?
  
• Two decimals that are equivalent to 5.300?
  
• How do you graph the inequality #y>2x+3#?
  
• How do you graph using the intercepts for #8x+2y=30#?
  
• Please how I can prove that ? Cos^2(t)=1/1+tan^2(t) Thanks
  
• What are Seyfert galaxies?
  
• What is the circumference of the Milky Way?
  
• AO = 38 cm. Find AD. (Round to 2 decimal places.)?
  
• Fresh cranberry contains 88% of water and dried 5% of water. How much is the mass of fresh cranberries from which can we get 5 kg of dried cranberries?
  
• What must be done to an atom before it can emit light?
  
• A 5 gram piece of aluminum foil at 100 degrees C is dropped into a 25 gram container of water at 20 degrees C. What is the final temperature of the aluminum?
  
• A block of carbon is 2.3 cm long and has a square cross-sectional area with sides of 2.1 cm . A potential difference 8.7 V is maintained across its length. What is the resistance of the resistor?
  
• Are there any other galaxies, aside from the Milky Way, that could possibly contain planets that have life?
  
• What is a double black hole?
  
• Who discovered the first exoplanet?
  
• How does the milankovitch cycle work?
  
• What is the commercial name of the mixture of #text{Na}_2text{O}_2 + text{HCl}#?
  
• How can you separate a mixture of shampoo and sand?
  
• A uniform rectangular trapdoor of mass #m=4.0kg# is hinged at one end. It is held open, making an angle #theta=60^@# to the horizontal, with a force magnitude #F# at the open end acting perpendicular to the trapdoor. Find the force on the trapdoor?
  
• Why are concave mirrors used in headlights?
  
• If a car goes a speed of 85 miles per hour, how far would it launch you if you didn't have your seatbelt on?
  
• How does diffraction affect radio signals?
  
• This is a question about steel bridge and I need to find the weight. Take a look at the picture. Thanks!?!
  
• A canoe in a still lake is floating North at #8 m/s#. An object with a mass of #20 kg# is thrown North East at #3 m/s#. If the mass of the canoe was #200 kg # before the object was thrown, what is the new speed and direction of the canoe?
  
• What would a nebula look like without graphic enhancement?
  
• In an electric motor, say it has only one coil. The coil spins because of current in it. So, is there any electromagnetic induction process occuring simultaneously?
  
• What happens to the speed of sound as a medium cools?
  
• How is a punnett square and meiosis followed by fertilization related?
  
• A 1.25 kg weight is hung from a vertical spring. The spring stretches by 3.75 cm from its original, unstretched length. How much mass should you hang from the spring so it will stretch by 8.13 cm?
  
• How does force relate to kinetic energy?
  
• A wrench with a length of #12 cm# is being used to unscrew a #3 cm# bolt. If a torque of #5 Nm# is needed to overcome the friction keeping the bolt in place, what is the minimum torque that must be applied to the wrench to unscrew the bolt?
  
• How can you best define the concept of time? How can we say that time started after the Big Bang? How did this arbitrary concept first come about?
  
• What is the purpose of a capacitor in a mobile phone?
  
• Why is the impedance LCR circuit capacitive at a frequency lower than resonant frequency?
  
• How do buoyant forces change with depth?
  
• Can someone explain how do find the components of #vecD#?
  
• Is V the reference vector for parallel RC circuits?
  
• Explain with a sketch: a.Why the bottom of a glass filled with water appears closer?
  
• What is the structure of the molecule named p-phenylphenol?
  
• Functions of tongue?
  
• A ball with a mass of #7 kg# moving at #6 m/s# hits a still ball with a mass of #9 kg#. If the first ball stops moving, how fast is the second ball moving?
  
• In a closed chamber, 58 grams of propane gas (C3H8) and 200 grams of oxygen are sparked to initiate the comubustion what is the limited reagent in this reaction?
  
• An object with a mass of #10 kg# is on a plane with an incline of # - pi/4 #. If it takes #12 N# to start pushing the object down the plane and #7 N# to keep pushing it, what are the coefficients of static and kinetic friction?
  
• How do you find the domain of #g(x)= x^2/(1-x^2)#?
  
• How can i calculate interference of waves?
  
• How do I find the empirical formula of the product produced by heating 1 gram of Zinc Sulfur if i end up with 0,8375 grams of product ?
  
• How do you solve #x- 8.7= - 6.4#?
  
• What is #\frac { 4} { 14}+ \frac { 1} { 7}#?
  
• What are sinusoidal graphs?
  
• How to do this?
  
• An ode is a poem that?
  
• How do you evaluate #3*2-6div3#?
  
• How does the circumference of a circle change when its diameter is tripled?
  
• Why are sound waves in air characterized as longitudinal?
  
• What is is the Mechanism of ITER?
  
• What does halogenated mean?
  
• 300g of mg is burned on fire to produce magnesium oxide. final product weighs 4.97. what is the empirical formula for magnesium oxide?
  
• Glass is prepared by hearing sand with limestone and washing soda 8. _SiO2(s) + _ CaCO3(s) CaSIO3(s) +Co2(g) ? 9. _ SiO2 (s) + _ Na2CO3(s) Na2SiO3 +_ CO2 (g) ?
  
• 2.0 grams of ZnSO4 reacts completely with Li2CO3; how many grams of Li2SO4 would be produced?
  
• How do you solve 3x+2=y and -9x+3y=11?
  
• In March it rained 9.39 inches. It rained 0.2 inches less in April than in March. How much did it rain in April?
  
• How do you evaluate #-6*3+ abs(-3(-4+2^3))#?
  
• How many solutions does #-12x^2-4x+5=0# have?
  
• What is the distance between #(3, 0) # and #(6,6)#?
  
• How do you decide whether the relation #x=y^2# defines a function?
  
• How can i calculate the power of an electric motor?
  
• Genes for milk yield in dairy cattle is due to autosomal gene or sex linked gene?
  
• A kayak can travel 48 miles downstream in 8 hours, while it would take 24 hours to make the same trip upstream. Find the speed of the kayak in still​ water, as well as the speed of the current?
  
• Is -3 a solution to the equation #-4x+5=-7#?
  
• Sam is organizing her movie collection. If each movie case is #3/4# inch wide, how many movies can fit on a shelf #5##1/4# feet wide?
  
• What happens when HCl is added to galvanised iron coil?
  
• Sodium(2) Nitrogen Oxygen(3) ?
  
• How do you solve #x^2-6=x# using the quadratic formula?
  
• Positive ions formed when atoms?
  
• What is a chordata?
  
• Which theme is revealed in this excerpt?
  
• Can someone help me solve the following equation by factoring: x^2-15x=-54?
  
• How to slove equations with brackets make x the subject 9(x+a)=b?
  
• 1/2 x (4y-3) x (y-2)?
  
• How many watt-hours are there in 1000 joules? Please explain mathematically.
  
• Let f be given by the formula?
  
• Question #145d8
  
• To the nearest order of magnitude, how many times greater than the speed of sound is the speed of light?
  
• The radii of the bases of two right circular solid cones of the same height are r1 & r2. The cones are melted & recasted into a solid sphere if radius R . show that the height of each cone is given by h=4R^3÷r1^2+r2^2 ?
  
• Question #c53a6
  
• Marcus Aurelius is playing with his mouse cat toy. He throws the mouse toy straight up in the air with an initial velocity of 3.5 m/s. How long (how many seconds) until the mouse toy returns to him? Air resistance is negligible.
  
• A tuning fork of 200Hz is in unioson with sonometer wire. If percentag increase in tension of wire is 1,then percentage change in frequency is???
  
• How to calculate ammeter and voltmeter readings?
  
• Two bulbs 100W,250V and 200W,250V are connected in series across a 500V line. Then what will happen?? a)100W will fuse b)200W will fuse c)both will fuse d)no bulb will fuse
  
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