3 years ago

1. What is the opposite of -17

Mathematics

2 answers:

insens350 [35]3 years ago

7 0

17 is the opposite my friend.

djyliett [7]3 years ago

5 0

Answer:

Step-by-step explanation:

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Solve the system of equations algebraically. <br> 6x + 5y = -14<br> 5x + 2y = -3

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(1,-4)
x=1, y=-4.

Solve for the first variable in one of the equations, then substitute the result into the other equation.

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Every year, the value of a property in singapore appreciates by 15% of its value in the previous year. If the value of the prope

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629 510$

Step-by-step explanation:

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3 years ago

Read 2 more answers

Use determinants to find out if the matrix is invertible.

wariber [46]

Answer:

The matrix is not invertible.

Step-by-step explanation:

We are given the following matrix in the question:

$A =\left[\begin{array}{ccc}-5&0&1\\-1&3&2\\0&10&6\end{array}\right]$

Condition for invertible matrix:

A matrix is invertible if and only if the the determinant is non-zero.

We can find the determinant of the matrix as:

$|A| = -5[(3)(6)-(2)(10)]-0[(-1)(6)-(2)(0)] + 1[(-1)(10)-(3)(0)]\\|A| = -5(18-20)+(-10)\\|A| = 10-10\\|A| = 0$

Since the determinant of the given matrix is zero, the given matrix is not invertible.

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Suppose that a teacher plans to give four students a quiz. The minimum possible score on the quiz is 0, and the maximum possible

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Answer:

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