4th grade math
30.0
chemistry
Would you use a physical model or a conceptual model to describe the following: a gold coin, dollar bill, car engine, air pollution, virus, spread of sexually transmitted disease?
Calculus
How do I solve for: 5000 = 45t^2 + 240t + 450
math-pre algebra
what is 4a-7=4(a-2)+1?
English
S1: caller, collar S4: tease, teas
Physical Science
Two 125 kg bumper cars are moving toward each other in opposite directions. Car X is moving at 10 m/s and Car Z at –12 m/s when they collide head–on. If the resulting velocity of Car Z after the collision is 10 m/s, what is the velocity of Car X after the collision?
MATH! PLEASE REPLY ASAP!
VWXYZ is a rectangle-based pyramid where WX=66 cm and XY=32cm. The vertex is vertically above the center of the base. Given that the slant heights VA and VB are 56 cm and 63 cm respectively, find the total surface area of the pyramid. Additionally, find the height and volume o...
Conductivity
Complete the table below: For each of the following sets pick the compound with the highest conductivity in a 1 M aqueous solution. (Enter the number at the top of the column containing the correct answer.) 1 2 3 Answers a HCl HC2H3O2 H2PO4– b KNO3 Ca(NO3)2 HNO3 c CH3OH N...
math
math the expression 4(3)+4(3)
Integrated Physics and Science
Southeast Academy Switched-on online?
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