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stealth61 [152]
3 years ago
13

Please help me with number 8. Thank you so much

Mathematics
2 answers:
Alexandra [31]3 years ago
6 0
The area of the trap is 140 '3
Nastasia [14]3 years ago
4 0
The are of the trapezoid is 125

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Step-by-step explanation:

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Kamal wrote the augmented matrix below to represent a system of equations.
Sergio039 [100]

Answer:

\left[\begin{array}{cccc}1&0&1&|-1\\-3&-9&3&|27\\3&2&0&|-2\end{array}\right]

Step-by-step explanation:

Given [Missing from the question]

\left[\begin{array}{cccc}1&0&1&|-1\\1&3&-1&|-9\\3&2&0&|-2\end{array}\right]

Required

R_2 \to -3R_2

This implies that, we form a new matrix where the second row of the new matrix is a product of -3 and the second row of the previous matrix.

So, we have:

Initial =\left[\begin{array}{cccc}1&0&1&|-1\\1&3&-1&|-9\\3&2&0&|-2\end{array}\right]

New =\left[\begin{array}{cccc}1&0&1&|-1\\-3*1&-3*3&-3*-1&|-3*-9\\3&2&0&|-2\end{array}\right]

New =\left[\begin{array}{cccc}1&0&1&|-1\\-3&-9&3&|27\\3&2&0&|-2\end{array}\right]

7 0
2 years ago
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Someone please help me
liberstina [14]

Answer:

Its a i just took the test

Step-by-step explanation:

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Line A

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Both lines have different patterns, but they both show that the amount of gallons of water increases as time increases. Line A moves more differently than line B. Line A shows an increase in that water is filling up quicker than line B. If you were to put points on a graph for both lines, you would figure out that the container for line A is filling up more quickly than the container in line B.
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2 years ago
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