Answer: This theorem’s also called symmetry of second partial derivatives and it says that you’ll get the same result at doing the partial derivative with respect to x and to y if you do them in the reverse order. ItR..

#### Category : Mathematics

Answer: To begin with, it’s important to understand that an ounce is a measure of weight whereas a quart is a measure of volume. So in order to answer your question it’s necessary to know whether you’re measuring sand or water or something else. But let’s just think of water as an example. In Great ..

Answer: In order to find a value of a quarter of any number you will have to divide that number by 4. 1360 divided by 4 is 340. If you want a more complicated algebra way, you can build and solve a proportion problem. Alternatively, you can multiply 1340 by 0.25 which is a decimal ..

Answer: You will need to do a few multiplications. First, you have to know that a year equals to 365.2422 days. Each day has 24 hours. Each hour has 60 minutes and each minute has 60 seconds. Each second has, consecutively, 1000 milliseconds. So, you have to multiply all these numbers and get 31 622 ..

Answer: If you take a look at what are all these numbers here that we see, you will notice that they are all cube numbers. That is, each of them is some kind of number, multiplied by itself and then by itself again. 8 is 2 times 2 times 2. 27 is 3 times 3 ..

Answer: Time for some math. Let’s count how much 200 envelopes would cost, shall we? If 100 cost 70 cents, than 200 envelops should cost 70 times 2. Which is $1.40. Now, lets count how much the remaining 50 cost. If 100 cost 70 cents, 50 would cost exactly half of that. Which is 35 ..