Mathematics, 02.07.2020 20:01 aimeeoconnor20p6b43o
To boost the growth of a crop, a farmer decided to use different combinations of three fertilizers, A, B, and C. The first combination
costs $384 and consists of 6 liters of fertilizer A, 5 liters of fertilizer B, and 3 liters of fertilizer C. The second combination consists of 10
liters of A, 2 liters of B, and 6 liters of C, and it costs $516. The last combination consists of 4 liters of A, 8 liters of B, and 2 liters of C,
with a cost of $368. Let x be the price of fertilizer A, y be the price of fertilizer B, and z be the price of fertilizer C. Use matrices to
determine the cost of each type of fertilizer.
X=
y =
ZE
Answers: 1
![\left[\begin{array}{ccc}6&5&3\\10&2&6\\4&8&2\end{array}\right]\left[\begin{array}{c}X\\Y\\Z\end{array}\right]=\left[\begin{array}{c}384\\516\\368\end{array}\right]](/tpl/images/0700/0585/59230.png)
![\left[\begin{array}{c}X\\Y\\Z\end{array}\right]=\left[\begin{array}{ccc}6&5&3\\10&2&6\\4&8&2\end{array}\right]^{-1}\left[\begin{array}{c}384\\516\\368\end{array}\right]\\\\\left[\begin{array}{c}X\\Y\\Z\end{array}\right]=\left[\begin{array}{ccc}1.5714&-0.5&-0.857\\-0.142&0&0.2142\\-2.571&1&1.3571\end{array}\right]\left[\begin{array}{c}384\\516\\368\end{array}\right]\\\\\left[\begin{array}{c}X\\Y\\Z\end{array}\right]=\left[\begin{array}{c}30\\24\\28\end{array}\right]](/tpl/images/0700/0585/5e87d.png)
Another question on Mathematics
Mathematics, 21.06.2019 13:00
Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x
Answers: 1
Mathematics, 21.06.2019 14:00
You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣
Answers: 2
Mathematics, 21.06.2019 19:30
Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?
Answers: 1
Mathematics, 22.06.2019 00:00
Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.
Answers: 2
You know the right answer?
To boost the growth of a crop, a farmer decided to use different combinations of three fertilizers,...
Questions
Chemistry, 25.12.2019 17:31
Chemistry, 25.12.2019 17:31
History, 25.12.2019 17:31
English, 25.12.2019 17:31
Chemistry, 25.12.2019 17:31
English, 25.12.2019 17:31
Mathematics, 25.12.2019 17:31
History, 25.12.2019 17:31
Mathematics, 25.12.2019 17:31
English, 25.12.2019 17:31
