3 years ago

ANswer please! Brainliest!!

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

5 0

Answer:

b and c

Step-by-step explanation:

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Write an expression in expanded form that is equivalent to 3(7d + 4e).

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Step-by-step explanation:

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What is the determinant of 15 18 154

IgorC [24]

Answer:

The determinant is 15.

Step-by-step explanation:

You need to calculate the determinant of the given matrix.

1. Subtract column 3 multiplied by 3 from column 1 (C1=C1−(3)C3):

$\left[\begin{array}{ccc}-25&-23&9\\0&3&1\\-5&5&3\end{array}\right]$

2. Subtract column 3 multiplied by 3 from column 2 (C2=C2−(3)C3):

$\left[\begin{array}{ccc}-25&-23&9\\0&0&1\\-5&-4&3\end{array}\right]$

3. Expand along the row 2: (See attached picture).

We get that the answer is 15. The determinant is 15.

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The radius is the line from the center of the circle to the side of the circle

Step-by-step explanation:

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Read 2 more answers

I need help ASAP due in an hour only the highlighted ones plz:)

kolbaska11 [484]

Answer:

15.

a) 9

b) (x + 3)(x + 3) or (x + 3) ^ 2

16.

a) 121

b) (x + 11)(x + 11) or (x + 11) ^ 2

17.

a) 81

b) (x + 9)(x + 9) or (x + 9) ^ 2

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