Q and A for the topic: General

A marble stone 20 cm long by 15 cm wide and 3 cm thick weighs 2.25 kg. How much will another marble stone 2.5 m long by 1.2 m wide and 15 cm thick weigh?

10x+2(x-6)= 3(4x-4)

Total resistance of four similar bulbs in parallel is 75 Ohm. What is the resistance of one bulb? (2 points) a. 300 Ohm b. 18.75 Ohm c. 75 Ohm d. 0.013 Ohm Explain your answer:

tourist goes at speed 5.4 km/h making 5 steps per 2 seconds. What is the length of a single step? (2 points) a. 1.5 m b. 0.75 m c. 0.6 m d. 0.3 m Explain your answe

What is the result of integrating the function f(x) = 3x2 + 2x + 1 with respect to x from 0 to 2? (2 points) a. 16 b. 14 c. 18 d. 24 Explain your answer: _________________

50x64=

300x9.2=

The OOCL Shenzhen, one of the world’s largest container ships, carries 8063 TEUs (1280-cubic feet containers). Workers can unload a ship at a rate of 1 TEU every minute. The equation y=8063-60x represents the number of TEUs on the ship y after x hours of the workers unloading the containers from the Shenzhen. a. Find the x- and y-intercepts and interpret their meaning in the context of the situation.

6/7 + 21/10

4/7 × -14/20 - -1 /3/2

How much is a 1.75% interest rate of 1245.15

Estimate 6273 / 17 by first rounding each number so that it has only 1 nonzero digit.

Simplify the expressions (+3) - (-1) - (+4) =

Simplify expressions (-6) - (-4) - (-3) =

Find the first five elements of the geometric sequence if a1- a5=-12 and a2 +a4=8.

I assume that the price of a car is constant and that 30 cars are sold per month in a small town. On the other hand, the price of gasoline rises from 15 to 20 pesos per liter, there is no other factor that influences the purchase plans and the number of cars sold drops to 28 per month. a) What is the cross elasticity of demand for cars with respect to gasoline? b) According to the previous section, are cars considered a substitute or complementary good for gasoline?

Find the sun of the whole numbers 1 to 790

In how many years does an investment of $5,000 triple if invested at a simple monthly interest rate of 2%?

The breaking force of plastic bags used to package products is normally distributed with a mean of 5 pounds per inch. square and a standard deviation of 1.5 pounds per square inch. d. Between which two values symmetrically distributed around the mean will 95% of the breaking forces lie?

Use the following 4 integers -1, 4, 40 and -25 to create as many equations you can (all operations may be used) with an answer of 34. You can use each integer only once.