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3 years ago

Help ill give brainlest pls

Mathematics

2 answers:

serg [7]3 years ago

4 0

Answer:

D - Translation

Step-by-step explanation:

The image in the -x and -y looks exactly the same as the image in the -x +y which can only mean that it was the process of "translation".

Annette [7]3 years ago

3 0

Answer:

it's should be B

reflection over the x-axis

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The points (4, 1) and (x, -6) lie on the same line. If the slope of the line is 1 what is the value of x?

Nana76 [90]

Answer:

The value of x is -3

Step-by-step explanation:

* Lets explain how to solve the problem

- The slope of a line that passes through points (x1 , y1) and (x2 , y2) is

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

* Lets solve the problem

∵ The points (4 , 1) and (x , -6) lie on the same line

∵ The slope of the line is 1

- Let the point (4 , 1) is (x1 , y1) and the point (x , -6) ix (x2 , y2)

∵ x1 = 4 , x2 = x and y1 = 1 , y2 = -6

∴ $m=\frac{x-4}{-6-1}$

∴ $m=\frac{x-4}{-7}$

∵ The slope of the line is m = 1

∴ $\frac{x-4}{-7}=1$

- By using cross multiplication

∴ x - 4 = -7 ⇒ add 4 to both sides

∴ x = -3

* The value of x is -3

4 0

4 years ago

What is the rate of growth, as a percent, for the following function? D(x)=23(1.0032)x

maks197457 [2]

I will assume you meant D(x)=23(1.0032)^x, if so:

The growth rate as a percentage is 100(.0032)=0.32% (about 1/3 of 1%)

3 0

3 years ago

-6.2 - 12.6x = 5.8 - 7.8x

Sav [38]

Answer:

x = -2.5

Step-by-step explanation:

Step 1: Write equation

-6.2 - 12.6x = 5.8 - 7.8x

Step 2: Solve for x

Add 12.6x on both sides: -6.2 = 5.8 + 4.8x

Subtract 5.8 on both sides: -12 = 4.8x

Divide both sides by 4.8: x = -2.5

Step 3: Check

Plug in x to verify if it's a solution.

-6.2 - 12.6(-2.5) = 5.8 - 7.8(-2.5)

-6.2 + 31.5 = 5.8 + 19.5

25.3 = 25.3

7 0

3 years ago

Solve by the elimination method. Check your work.

sweet-ann [11.9K]

Answer:

1: x = 19 y = 16 ; 2. x = 5 y = -4

Step-by-step explanation:

To check your work plug the numbers back into one of the equations and see if it's true.

For example:
10(19)-9(16)=46

46=46

1. I distributed 3 to all the numbers so that 9y and -9y would cancel then you add like terms.

2. I distributed -4 to all the numbers so that 4x and -4x would cancel. Then add all like terms.

Once you get x or y plug it back into one problem to get the other variable.

Hope this helps!

6 0

2 years ago

Read 2 more answers

6th grade math help me plzzzz

Ira Lisetskai [31]

Answer:

n=-3.1

Step-by-step explanation:

To solve this, first subtract 3 from both sides of the equation to get 2n=-6.2. Next, divide both sides of the equation by 2 n order to get the final answer of n=-3.1

4 0

3 years ago