7th grade Math
There are 50 questions on a test. If a 60% is considered passing, how many questions do you have to get right to pass?
Is 27.38452... a real and a rational number?
How do you write the number 339.4 X 10 -10 in scientific notation?
If the length and width of a triangle are tripled, what is the effect on the area?
Which expression represents the number in the pattern where "p" is the position of the number in the pattern? 20, 24, 28, 32, 36 a. 4(p +3) b. 4p - 4 c. 4p + 4 d. 4 (p+4)
A ball with a mass of 0.25 kilogram is swung on the end of a rope that is 3.0 meters long. The ball travels with a linear velocity of 10.00 meters per second. What centripetal force is acting on the ball?
A gas occupies 275 ml at 0°C and 610 Torr. What final temperature would be required to increase the pressure to 760 Torr, the volume being held constant?
Bill has a mass of 83.6 kg. Jane has a mass of 51.0 kg. If they are seated 4.3 m apart, how much gravitational force attracts them?
A marathon runner will burn 1.25x10^7 j during a race. If the calorie content of 12.0 oz. of Gatorade is 80.0 kilocalories, how many ounces of Gatorade must the runner drink to provide enough energy for the race? Note: 1 Calorie=4.184j and "kilo"= 10^3
An alloy contains 39.5 mass% silver (Ag) and has density og 7.86 g/ml What volume of alloy would be needed to contain 12.0g of pure Ag?