The phrase "varies directly as" means that there is a number k such that w = k(2x - 1). From the results given for w = 9 when x = 2, 9 = k(4 - 1), or k = 3. Then when w is 15, 15 = 3(2x - 1), or 15 = 6x - 3, or 6x = 15 + 3, or x = 18/6 = 3.
2x (1+3)=(2x1+(2x3)
The determinant is only defined for square matrices.
The answer is 2. 2x = 2x1 So you follow the usual rule about bring down the exponent and subtract one from it and you get 1*2x0= 2x0=2
The degree of the polynomial 2x + 5 is 1. The highest power of x is x1, i.e. 2x1 + 5x0, hence the designation of first degree.
32.32 = (3 x 10) + (2 x 1) + (3/10) + (2/100)
it wouldn't equal anything its a prime number but of course it would be only 2x1
3
No. 7*3, alone, is bigger than 12.
It is: 1*2 = 2 which is also a prime number
2
118x12 equals 354+1118X 12====236+118====3541. 8x2 is 16.2. You bring the 1 to 2x1.3. 2x1 is 2, add the 1 which is 3.4. Then you multiply 2x1 again which is 2.NOW YOUR ON THE ROW...1. Add the magic 0.2. Multiply 1x8=8.3. Then you will multiply 1x1 which is 1.4. Last but not least you Multiply 1x1 again, and it equals 1.5. NOW YOU ADD ALL THAT UP AND YOU GET 354
22 + .056
True
2x (1+3)=(2x1+(2x3)
1x2 2x1
2x1=2
( 3x10) + ( 2x1) = 32