A retiree invests 3,000 in a savings plan that pays 3% per year what will the account balance at the end of the first year

Mathematics

1 answer:

Anika [276]3 years ago

7 0

3000*.03= 90 so your balance would be 3000+90=$3090

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Which property is shown in the matrix addition below? [-6 15 -2 ] + [6 -15 2 ] = [0 0 0

aksik [14]

Answer:

The property shown in matrix addition given is "Additive Inverse Property"

Step-by-step explanation:

First of all lets define what a matrix is.

A matrix is an array of rows and columns that consists of numbers. There are several types of matrices. The one in our question is a row matrix which consists of only one row.

There are several addition properties for matrices.

One of them is additive inverse property. The additive inverse of a matrix consists of the same elements but their signs are changed.

Additive inverse property states that the sum of a matrix and its additive inverse is a zero matrix.

$\left[\begin{array}{ccc}-6&15&-2\end{array}\right] + \left[\begin{array}{ccc}6&-15&2\end{array}\right] = \left[\begin{array}{ccc}0&0&0\end{array}\right]$

Hence,

The property shown in matrix addition given is "Additive Inverse Property"

5 0

3 years ago

What is the surface area of the regular pyramid below?

Ronch [10]

Answer: B. 864 units²

Step-by-step explanation:

First, we will find the area of the bottom base square.

L * W = A

16 units * 16 units = 256 units²

Next, we will find the areas of the triangles. Since there are four congruent triangles, we will find the area of one and multiply it by 4.

$\frac{\text{B}\;*\;\text{H}}{2}$ = A