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monitta
3 years ago
14

The first entry of the resulting matrix is:

Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0

Answer: The First Choice ( 1 )

Step-by-step explanation:

Tcecarenko [31]3 years ago
4 0

Answer:

\boxed{1}

Step-by-step explanation:

\left[\begin{array}{ccc}1 \times 1&2 \times 1\\3 \times 5&4 \times 5 \end{array}\right]

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I need help with this!!! Thank you
ruslelena [56]

Answer:

4n^3-n^2-5n

Step-by-step explanation:

n(2n+4n2−5−3n)

=(n)(2n+4n2+−5+−3n)

=(n)(2n)+(n)(4n2)+(n)(−5)+(n)(−3n)

=2n2+4n3−5n−3n2

=4n3−n2−5n



6 0
3 years ago
Please help me with this problem.
Harrizon [31]

Answer:

60

Step-by-step explanation:

45^{2} +b^{2} =75^{2} \\2025+b^{2}=5625\\b^{2} =3600\\b=60

7 0
3 years ago
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What is the domain of the given function?
EleoNora [17]

Answer:

domain is equal to x. therefore, the domain is all of the x values. x = -6,-1,0,3

Step-by-step explanation:

8 0
3 years ago
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Given that these triangles are similar, what is the perimeter of triangle PQR? Show your work.
dimaraw [331]

Answer:

24

Step-by-step explanation:

I use the Pythagoras theorem.

\sqrt{a^{2} +b^{2} } =c^{2}

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6 0
3 years ago
3) Bob deposits 15% of \$160 into a savings account, what is the amount of his deposit ?
lbvjy [14]

Answer:

$24

Step-by-step explanation:

160 * 0.15 = 24

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3 years ago
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