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OlgaM077 [116]
4 years ago
11

True or false a reflection across the line y=-x

Mathematics
2 answers:
Sauron [17]4 years ago
6 0

Answer: False

Step-by-step explanation:

dedylja [7]4 years ago
4 0

Answer:

True

Step-by-step explanation:

The negative sign reflect the graph over x-axis.

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Solve for x? I need help
Salsk061 [2.6K]

Answer:

17 = x

Step-by-step explanation:

720 = 110 + 8x -1 + 5x + 36 + 116 + 7x + 19 + 6x - 2

720 = 278 + 26x

442 = 26x

17    = x

7 0
3 years ago
The three planes given meet at a point. The planes are 3x+y-2z = 11, 4x-2y+z = -5, x+5y-4z = 33. The intersection is at what poi
Mumz [18]

Answer:

(2, 7, 1)

Step-by-step explanation:

We have three equations, and using Gauss-Jordan Elimination, we can solve for x, y, and z

3x + y - 2z = 11

4x - 2y + z = -5

x + 5y - 4z = 33

We can start by taking out the z from all rows except one. To do this, we can work with the second row. I chose the second row because -5 is small and easy to add up with other numbers, and z has no coefficient in this row.

We can add 2 times the second row to the first row and 4 times the second row to the third row to get

11x - 3y = 1

4x - 2y + z = -5

17x -3y = 13

We then have the first and third rows having two variables. Since the y coefficients are the same, we can eliminate the y by adding the negative of the first row to the third row. Our result is then

11x - 3y = 1

4x - 2y + z = -5

6x = 12

From the third row, we can gather that x= 2. We can then plug that into the first row to get

22 -3y = 1

subtract 22 from both sides

-3y = -21

divide both sides by -3

y = 7

We can then plug our x and y values into the second row to get

4(2) - 2(7) + z = -5

8 - 14 + z = -5

-6 + z = -5

add 6 to both sides

z = 1

Our answer is thus (2, 7, 1)

7 0
3 years ago
The data set in the table forms a cluster and does not include outliers.
xeze [42]

Answer:

(2.75,41)

<h2>Step-by-step explanation:</h2>

the farthest y point would define the outlier and the farthest number on a graph. just picture a graph

5 0
3 years ago
Read 2 more answers
Please answer this (who ever answers correctly gets brainlest)
Anna11 [10]

Answer:

0.171 m

Step-by-step explanation:

First, let's determine how many mm of track he has in total...

74mm+97mm=171 mm

Now, we can set up a unit converter to convert mm to m (note that 1 mm is 10^{-3{ m)...

171mm(\frac{10^{-3}m}{1mm})

The "mm" cancels out...

171*10^{-3}m=0.171m

3 0
2 years ago
Read 2 more answers
HELPPPPPPPPPP PLEASEEEEE
sladkih [1.3K]
The best way is  the third one which is c 
5 0
3 years ago
Read 2 more answers
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