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4 years ago

1. Compare the fraction.

1 answer:

4 0

1. 1/6 < 5/6 - answer A.
2. 4/7 (?) 1/6
First fraction is bigger, to check it, make both fractions to be x/42, so 24/42 > 7/42 - answer A.

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Each side of a square is increasing at a rate of 6 cm/s. At what rate is the area of the square increasing when the area of the

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I think the answer might be 6 but I’m not really 100% sure

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3 years ago

Matrix question help needed

kramer

The required matrix is:

$\left[\begin{array}{ccc}-25&17&0\\8&-1&3\\\end{array}\right]$

Step-by-step explanation:

We need to apply elementary row operation -2R₂+3R₁ tothe matrix:

$A=\left[\begin{array}{ccc}-3&5&2\\8&-1&3\\\end{array}\right]$

Multiplying Row 2 with -2 and Row1 with 3 and adding,

-9 15 6

-16 2 -6

----------

-25 17 0

After applying this operation, Row 1 will be changed while Row 2 will remain same because we get -2R₂+3R₁ -> R₁

The required matrix is:

$\left[\begin{array}{ccc}-25&17&0\\8&-1&3\\\end{array}\right]$

Keywords: Matrices, elementary row operation

Learn more about matrices at:

#learnwithBrainly

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3 years ago

Compare the table and equation.

insens350 [35]

Answer:

The table and equation have the same slope

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Step 1

Find the slope of the table

we have

$A(4,12)\ B(5,15)$

Substitute the values

$m=\frac{15-12}{5-4}$

$m=\frac{3}{1}=3$

Step 2

Find the slope of the equation

we have

$y=3x$ ------> the equation represent a linear direct variation

The slope is equal to $m=3$

therefore

The table and equation have the same slope

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4 years ago

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3 years ago

Which numbers are divisible by 10 ?

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3 years ago