Geometric mean of 8 and 5

Mathematics

1 answer:

Papessa [141]4 years ago

3 0

Answer:

Step-by-step explanation:

8 16 24 32 40

5 10 15 20 25 30 35 40

They both have the number 40

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What is the product -4• [8,-1,-5,9]

xeze [42]

Answer:

The product of given $-4 \cdot \left[\begin{array}{ccc}8\\-1\\-5\\9\end{array}\right]$ is $\left[\begin{array}{ccc}-32 \\4\\20\\-36\end{array}\right]$

Step-by-step explanation:

Consider the given product of a constant and a matrix.

$-4 \cdot \left[\begin{array}{ccc}8\\-1\\-5\\9\end{array}\right]$

To do product we multiply scalar -4 with each element of the matrix given,

$-4 \cdot \left[\begin{array}{ccc}8\\-1\\-5\\9\end{array}\right]= \left[\begin{array}{ccc}-4 \times 8 \\-4 \times -1\\-4 \times -5\\-4 \times 9\end{array}\right]$

On solving further , we get,

$\left[\begin{array}{ccc}-4 \times 8 \\-4 \times -1\\-4 \times -5\\-4 \times 9\end{array}\right]=\left[\begin{array}{ccc}-32 \\4\\20\\-36\end{array}\right]$

Thus, the product of given $-4 \cdot \left[\begin{array}{ccc}8\\-1\\-5\\9\end{array}\right]$ is $\left[\begin{array}{ccc}-32 \\4\\20\\-36\end{array}\right]$

3 0

3 years ago

How is the expression written like six minus the product of four and a number x

Misha Larkins [42]

The answer is: 6 - 4x

4 0

3 years ago

Evaluate 4.7j-6.8k when j=5 and k=3

creativ13 [48]

Answer:

3.1

Step-by-step explanation: