Answer:
89
Step-by-step explanation:
21+13+19+36=89
1.)-2
2)-2
3.)-3
4.)-1
5)1
6.)-6
7.)-6
8.)4
9.)0
10.)no solution
11.)-3
12.)all real numbers
13.)-1
14.)5
On working on the work for the first problem so u understand
Answer:
(6-√21, 6+√21)
Step-by-step explanation:
x^2 - 12x = -15
(x - 6)^2 - 36 = -15
(x - 6)^2 = 21
x - 6 = ± √21
x = 6 ± √21
Answer:
The determinant of the matrix for the the pineapple cake is 4,350. the price of one pineapple cake is 3,520
The determinant of the matrix for the chocolate cake is 5,075 . the price of the chocolate cake is 4,414
