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Angelina_Jolie [31]
3 years ago
13

Solve 7 plus x equals 13

Mathematics
2 answers:
Paul [167]3 years ago
7 0
7 + 6 = 13, so x = 6

mrs_skeptik [129]3 years ago
6 0
7 + x = 13\\\\x = 13 - 7\\\\\boxed{ x = 6 \ Answer}
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zysi [14]

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Area of sector = 21.21

Step-by-step explanation:

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In one week there are 10,080 minutes. What is this number in scientific notation?​
zalisa [80]

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1.0080 x 10^4

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If a 40,000g cannon ball is 35m above the Earth’s surface, how much potential energy does the cannon ball have?
ELEN [110]

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Step-by-step explanation:

Remark

You could do this by converting the distance but the much more common way is to use kg and m.

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PE = m * g * h

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4 0
3 years ago
Which property is shown in the matrix addition below?<br> [-6 15 -2 ] + [6 -15 2 ] = [0 0 0
aksik [14]

Answer:

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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
2 years ago
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