Answer:
14
Step-by-step explanation:
b22 = 2×a22 = 2×7 = 14
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Multiplication of a matrix by a scalar is the same as multiplying every element of that matrix by that scalar.
![B=2A=2\left[\begin{array}{cc}8&-2\\4&7\end{array}\right]=\left[\begin{array}{cc}16&-4\\8&14\end{array}\right]\\\\b_{22}=14](https://tex.z-dn.net/?f=B%3D2A%3D2%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D8%26-2%5C%5C4%267%5Cend%7Barray%7D%5Cright%5D%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D16%26-4%5C%5C8%2614%5Cend%7Barray%7D%5Cright%5D%5C%5C%5C%5Cb_%7B22%7D%3D14)
Answer:
yes
Step-by-step explanation:
Answer:
648
Step-by-step explanation:
Write 162% as 162
/100
Since, finding the fraction of a number is same as multiplying the fraction with the number, we have
162
/100 of 400 = 162
/100
× 400
Therefore, the answer is 648
If you are using a calculator, simply enter 162÷100×400 which will give you 648 as the answer
Answer:
y=mx+b? That's the equation in slope-intercept form. M= slope B= y-intercept.
