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kirill115 [55]
3 years ago
14

server F, working 7 hours offers to join the group of five servers sharing their workload. If server F joins will the mean numbe

r of hours worked increase or decrease​
Mathematics
1 answer:
erastova [34]3 years ago
8 0
π I don’t really know the answer I’m really sorry
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There are 18 students in a music class , 6 of them are male. What is the probability of choosing a male student from the class?
Crank

Answer:

0.33 repeating

Step-by-step explanation:

3 0
3 years ago
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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.

5 0
3 years ago
25 pt question amd will mark brainliest
Usimov [2.4K]
Hello!

The angles are supplementary meaning they add to 180°

a + 2a + 3 = 180

Combine like terms

3a + 3 =  180

Subtract 3 from both sides

3a = 177

Divide both sides by 3

a = 59

the answer is 59°

Hope this helps!
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3 years ago
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The order for points only matter when naming a ..?
Gnoma [55]

Answer:

Co-ordinate (x, y)

Step-by-step explanation:

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2 years ago
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Ana took out a $600 loan from the bank. At the end of 5 years, she pays back $60 in interest. What was the interest rate?
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Answer:

Ana payed a 10% interest rate.

7 0
3 years ago
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