science

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1. geometry

   Find the longest side of triangle ABC, if measurement A=70, measurement B=2x-10, and measurement C=3x+20.

2. physics

   You pick up a 3.2 kg can of paint from the ground and lift it to a height of 1.4 m . Part A How much work do you do on the can of paint? Express your answer to two significant figures and include the appropriate units. Part B You

3. calculus

   No idea where to start The cost in dollars of producing x units of a particular camera is C(x) = x2 - 10000. (10 points) Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x

4. Science

   Why do scientists use standard units of measurement? A.Because their tools only measure in these units. B.Because other units are either too small or too large to work with. C.So they can communicate findings without confusion.

1. science

   ead the scenario. A car travels 25 m/s forward for 10 s. Which option accurately identifies the measurements within the scenario that are vector quantities and describes why? The measurement 25 m/s is the only vector quantity

2. Science

   Which of the following identifies a measurement, its SI units, and the tool most commonly used to measure it? a. length, meter, ruler *** b. temperature, degrees Fahrenheit, thermometer c. weight, gram, scale d. volume,

3. Calculus (urgent!!)

   A particle moves with its position given by x=cos(2t) and y=sin(t), where positions are given in feet from the origin and time t is in seconds. A)Find the speed of the particle. Speed = ____________ (include units) B)Find the

4. meteorolgy

   On a clear and calm day, the air temperature at sunrise is 0 °C (32 °F) with a relative humidity of 85%. The air temperature reaches a maximum of 10 °C (50 °F) at 3 p.m. Assuming that no water vapor is added to or removed from

1. Social Studies

   I have a question about the Civil War I need to make a timeline of events leading to the Civil War. My final timeline should include 8–10 items that are illustrative of important issues or significant events that led to the

2. chemistry

   A gas sample contained in a cylinder equipped with a moveable piston occupied 300.0 mL at a pressure of 2.00 atm. What would be the final pressure if the volume were increased to 500.0 mL at constant temperature? Answer should

3. calculus

   The table below gives the height h=f(t) in feet of a weight on a spring where t is time in seconds. t (sec) 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 h (feet) 4.8 7 8 8.3 8 7 4.8 2.6 1.6 1.3 1.6 2.6 4.8 7 8 8.3 (a) What is the

4. math

   Problems continue to arise in Kitty Nation but Hello Kitty has regained control of the country. She comes to see that popular dislike for the own measurement standard led to the revolt. She decides to change the standard so that

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