I need to know what x and y equal.
1 answer:
The attached diagram is a useful tool for working mixture problems. It shows the desired mix is
.. 1 kg of 30% gold
.. 3 kg of 10% gold
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The answer is 15.3 because if you subtract 6.7 from 22 you’ll get the answer 15.3
3x10(4)= 40(3)=120 and that's how the Vega family have 120 minutes to their three years contracts
Answer:
A∣=3(8−7)+1(−2−4)=3−6=−3
co-factor matrix =
⎣
⎢
⎢
⎡
−1
5
3
−4
23
−11
1
−11
−6
⎦
⎥
⎥
⎤
Adj.A=
⎣
⎢
⎢
⎡
−1
−4
1
5
23
−11
3
12
−6
⎦
⎥
⎥
⎤
A
−1
=
∣A∣
1
Adj.A=
3
−1
⎣
⎢
⎢
⎡
−1
−4
1
5
23
−11
3
12
−6
⎦
⎥
⎥
Answer:
$7562.50
Step-by-step explanation:
4700 (1.0825)^7-1