Answer:
5.5369
Step-by-step explanation:
tan(64) = 13/x
2.3478 = 13/x
Multiply both sides by x
2.3478x = 13
Divide both sides by 2.3478
5.5369 = x
The value of the element in row 1, column 1 of matrix x is; y.
<h3>What is the value of the element in row 1, column 1 of matrix x?</h3>
According to the task content, it follows that matrix x is defined as; x= [y 4].
In essence, it follows that the matrix x contains one row and 2 columns. Therefore, the element in row 1, column 1 of matrix x is; y.
Read more on matrix;
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7b/12=4.2
7b=50.4
b=7.2
hope this helps
Step-by-step explanation:
In my opinion the reason 4 is incorrect
Answer:
x^2 + 18x + 81
Step-by-step explanation:
(x+9) (x+9)
then distributive property