Answer:
26
Step-by-step explanation:
5 + 6 + 7 + 8 = 11 + 15 = 26
Hope it helps you in your learning process.
Answer:
B.The matrix is invertible because the determinant is defined.
Step-by-step explanation:
<u>Definition:</u> A matrix is invertible if the determinant is not equal to zero.
Given the matrix:
The determinant of the matrix:
Since the determinant, , the matrix is invertible because the determinant is defined.
Answer:
C) 61
Step-by-step explanation:
we know that
In the right triangle ABC
∠CAB=∠ABC=
so
we have
<u>using sines</u>
or
substitute the value of AB
or
<u>using cosines</u>
or
substitute the value of AB
or
therefore
<u>the answer is</u>
For every one night that Marco stays at the hotel he spends $200. if he stays at the hotel for 5 nights, he would spend $1,000.