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Anon25 [30]
3 years ago
12

Question 3, help please!

Mathematics
1 answer:
White raven [17]3 years ago
4 0

The answer is not defined.

Explanation:

The given matrix is $\left[\begin{array}{cc}{2} & {4} \\ {1} & {-6}\end{array}\right]+\left[\begin{array}{c}{1} \\ {0}\end{array}\right]$

The matrix $\left[\begin{array}{cc}{2} & {4} \\ {1} & {-6}\end{array}\right]$ has dimensions 2\times 2

This means that the matrix has 2 rows and 2 columns.

Also, the matrix $\left[\begin{array}{l}{1} \\ {0}\end{array}\right]$ has dimensions 2\times1

This means that the matrix has 2 rows and 1 column.

Since, the matrices can be added only if they have the same dimensions.

In other words, to add the matrices, the two matrices must have the same number of rows and same number of columns.

Since, the dimensions of the two matrices are not equal, the addition of these two matrices is not possible.

Hence, the addition of these two matrices is not defined.

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xxTIMURxx [149]

Answer:

The cow's heart beats at a rate of    65  beats per minute.

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Pig: 225 ÷ 3 = 75, not right.

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5 0
3 years ago
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kap26 [50]

<u>Answer:</u>

The correct answer option is D. He multiplied the divisor by 100 and dividend by 10.

<u>Step-by-step explanation:</u>

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To make it easier, he multiplied both the divisor and the dividend by the same number to get rid of the decimal in the divisor.

If he multiplied the divisor by 100, he should have multiplied the dividend by 100 too. But instead, he mistakenly multiplied the divisor by 100 and dividend by 10.

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3 years ago
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Answer:

10

Step-by-step explanation:

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3 years ago
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Leni [432]
Hope you can read that okay

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