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3 years ago

Which relations represent functions?

Mathematics

1 answer:

kifflom [539]3 years ago

4 0

The first one and the third one represents a function beside each input has one output.

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Center: (-2,5), radius:7

Firlakuza [10]

Answer:

(x + 2)² + (y - 5)² = 7²

Step-by-step explanation:

Incomplete question. I believe you meant, "write the equation of the circle with center at (-2, 5) and radius 7.

That would be:

(x + 2)² + (y - 5)² = 7²

5 0

3 years ago

Which answer choice shows that the commutative property does not hold for matrix multiplication?

Bess [88]

Given:

The matrix statements in the options.

To find:

The answer choice that show the commutative property does not hold for matrix multiplication.

Solution:

We known that matrix multiplication is not commutative. if A and B are two non-zero matrices, then

$AB\neq BA$

Let us assume,

$A=\begin{bmatrix}-1&-8\\-3&-5\end{bmatrix}\text{ and }B=\begin{bmatrix}1&3\\8&5\end{bmatrix}$

According to the above property of the matrix, we get

$\begin{bmatrix}-1&-8\\-3&-5\end{bmatrix}\begin{bmatrix}1&3\\8&5\end{bmatrix}\neq \begin{bmatrix}1&3\\8&5\end{bmatrix}\begin{bmatrix}-1&-8\\-3&-5\end{bmatrix}$

Therefore, the correct option is B.

3 0

3 years ago

5. The Smith family paid $146.50 for dinner. If they tipped 20%. How much

Rudiy27

Answer:

$175.80

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

What's the answer do this question??

Gemiola [76]

It is A) skewed left because the long tail in the box plot is on the left hand side. The mean is also on the left hand side of the peak so it is skewed left.

Hope this helps :)

4 0

3 years ago

????A - k = w + v, for a

sladkih [1.3K]

A=w+v/-k or A=w+v+k, but I mostly recommend the first one, the -k is divided by both the w and v.

6 0

4 years ago

Which relations represent functions?​

Which relations represent functions?