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2 years ago

PLEASE HELP ME WITH ALL ITS DUE TODAY!!

Mathematics

1 answer:

Vadim26 [7]2 years ago

5 0

Answer:

Line 1 Slope: - 4/3

Line 2 Slope: 3/4

Line 3 Slope: 3/4

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Line 1 and Line 2: Perpendicular

Line 1 and Line 3: Perpendicular

Line 2 and Line 3: Parallel

Step-by-step explanation:

Line 1: Passes through (6, -4) and (0, 4).

We first find the slope by using this equation (y2 - y1) / (x2 - x1) -

(4 - (-4)) / (0 - 6)

(4 + 4) / (-6)

8 / -6

-4 / 3

Slope = - 4/3

___________________________________________________________

Line 2: Passes through (-4, -2) and (8, 7).

We first find the slope by using this equation (y2 - y1) / (x2 - x1) -

(7 - (-2)) / (8 - (-4))

(7 + 2) / (12)

9 / 12

3 / 4

Slope = 3/4

___________________________________________________________

Line 3: Passes through (-4, -5) and (4, 1).

We first find the slope by using this equation (y2 - y1) / (x2 - x1) -

(1 - (-5)) / (4 - (-4))

(1 + 5) / (4 + 4)

6 / 8

3 / 4

Slope = 3/4

___________________________________________________________

Line 1 and Line 2: Perpendicular

Line 1 and Line 3: Perpendicular

Line 2 and Line 3: Parallel

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Assume that y varies directly as x then solve. If x = 12 <br> when y = 15 find x when y = 21.

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2 years ago

Read 2 more answers

PLEASE HURRY ASAP!

cestrela7 [59]

Using conversions of mixed numbers, the numbers that are equivalent to 2 and 7/9 are given by:

25/9 and 2.777.

<h3>What are the conversions of the mixed number 2 and 7/9?</h3>

To convert to decimal, we just add the integer part with the fractional part converted to decimal(dividing the numerator by the denominator), hence:

2 and 7/9 = 2 + 7/9 = 2.7777.

To convert to fraction, the procedure is similar, we just apply the least common multiple to add the fraction, as follows:

$2 + \frac{7}{9} = \frac{2 \times 9 + 7}{9} = \frac{25}{9}$

Hence the numbers that are equivalent to 2 and 7/9 are given by:

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More can be learned about conversions of mixed numbers at brainly.com/question/21610929

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4 0

1 year ago

Question 3, help please!

White raven [17]

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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3 years ago