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Agata [3.3K]
3 years ago
8

How do you find the inverse of a 3x3 matrix?

Mathematics
1 answer:
mel-nik [20]3 years ago
7 0
If you have a graphing calculaator enter the matrix then on the outside of it hit the ^ button and put -1
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Please help me with this as soon as possible!
ladessa [460]

Answer:

B

Step-by-step explanation:

it is the B because that's 2/5

6 0
3 years ago
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What is equivalent to 1\5
Roman55 [17]
1/5 = 0.2

or

1/5 = 2/10


3 0
3 years ago
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The purpose of a battery in a circuit is to _____.
skelet666 [1.2K]

Answer:

Increase the potential of charges in the circuit

Step-by-step explanation:

Hope this is correct

HAVE A GOOD DAY!

7 0
2 years ago
Solve the equation below for x.<br> x – 15.2 = 76
Amanda [17]

Answer:

91.2

Step-by-step explanation:

add to both sides 15.2 so 76+15.2=91.2

7 0
2 years ago
You buy Apple stock for $120 per share over a period of time the stock value increased at a weekly rate of 5% you sell the stock
Rainbow [258]

Answer:

8.31  weeks

Step-by-step explanation:

Given that the cost of one share of Apple stock, C=$120

Rate is the increment of the stock value, R= 5%/week=0.05 / week.

Assuming that after t week, the stock has been sold for $180.

Since the stock value increased at 5% every week, so, the interest is compounded weekly, so

S=C\left(1+R\right)^t \\\\ \Rightarrow 180 = 120\left(1+0.05\right)^t \\\\  \Rightarrow 180 = 120\left(1.05 )^t \\\\

\Rightarrow \frac{180}{120}=1.05^t \\\\\Rightarrow 1.5=1.05^t

\Rightarrow \ln(1.5)=t \ln(1.05) [taking log both sides]

\Rightarrow t=\frac {\ln(1.5)}{\ln(1.05)}=8.31 weeks

Hence, after 8.31  weeks the stock has been sold for $180.

6 0
3 years ago
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