Statement 3 is QR=RT. This can be validified by the reason of Transitive Property of Equality. This property is applied when the situation is if a=c and b=c, then a=b. The same is true for QR=59 and RT=59, then QR=RT.
No, because 13.2 times 6=79.2
79.2 times 8=633.6
Answer:
Step-by-step explanation:
given are two vectors
![B=-i-4j\\A = 3i-2j](https://tex.z-dn.net/?f=B%3D-i-4j%5C%5CA%20%3D%203i-2j)
a) A+B = sum of twovectors = simply adding corrsponding compnents
=![2i-6j](https://tex.z-dn.net/?f=2i-6j)
Magnitude of the above vector = ![\sqrt{2^2+6^2} \\=2\sqrt{10}](https://tex.z-dn.net/?f=%5Csqrt%7B2%5E2%2B6%5E2%7D%20%5C%5C%3D2%5Csqrt%7B10%7D)
Direction is making an angle of arc tan (-3) with x axis
b) A-B = Difference
= ![4i+2j](https://tex.z-dn.net/?f=4i%2B2j)
Magnitude of difference vector = ![\sqrt{4^2+2^2} \\=2\sqrt{5}](https://tex.z-dn.net/?f=%5Csqrt%7B4%5E2%2B2%5E2%7D%20%5C%5C%3D2%5Csqrt%7B5%7D)
Direction is making an angle of arctan (1/2) with positive x axis.
(angle = arctan (jcomponent/icomponent)
Answer:
Scientific notation is a mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten, so you can write large numbers using less digits. An example of scientific notation is when you write 4 x 10³ for 4,000. noun. 7. 0.
Step-by-step explanation: