keiko has seven colors of lanyard. she uses threee different colors to make a key chain. how many different combinations can she choose

Answers

Answer 1
Answer: The answer is 21 different combinations

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The equation of a line is y = 2x - 4. If the equation is changed to y = 2x - 2, how will the graph of the line change?A) The line will shift up 2 units.
B) The line will shift down 2 units.
C) The line will shift right 2 units.
D) The line will shift left 2 units.

Answers

The graphchanges from line will shift up 2 units.

What is Transformation?

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object. Pre-Image refers to the object's initial shape, and Image, after transformation, refers to the object's ultimate shape and location.

Given:

y = 2x - 4.

and, if the equation is changes to y= 2x- 2.

as, function goes from y = 2x - 4 + 2

y= y = 2x - 2

The addition of 2 shows there is shifting upside.

Thus, The line will shift up 2 units.

Learn more about transformation here:

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A) The line will shift UP 2 units.

The gravitational pull on Planet X is about 40% that of Earth’s. Would Planet X weigh more or less than Planet Earth?

Answers

Answer:

Planet X weighs less than planet earth

Step-by-step explanation:

Planet X will weigh less than planet earth because its gravitational pull is only 40% of planet earth . This means that planet earth is heavier than Planet X .

Which ordered pairs in the form (x, y) are solutions to the equation?Select each correct answer. (More than one c:)

[A] (4, 10)

[B] (7, 9)

[C] (−6, −14)

[D] (−1, −7)

Answers

(-6, -14) and (-1, -7)

Consider a rectangle with vertices A (4, 7), B (6, 7), C (4, -1), and D (6, -1). What is the length of side CD? What is the length of side BD?

Answers

Answer:

CD=2\n\nBD=8

Step-by-step explanation:

A (4, 7), B (6, 7), C (4, -1), and D (6, -1)

Using Distance formula:

CD:

              √((6-4)^2+(-1-(-1))^2) \n\n=√((6-4)^2+(-1+1)^2) \n\n=√(2^2+0)\n\n=√(4)\n\n =2

BD:

          √((6-6)^2+(-1-7)^2) \n\n=√(0+(-8)^2)\n\n=√(64) \n\n=8

CD=2\n\nBD=8

Same way can find BD length

Which of the following equations matches the graph?

Answers

Answer:

The answer closest to the graph is C. y= 5x-4

Step-by-step explanation:

If you graph the first answer (A. y= 1/5x+4), there is going to be a horizontal line above the x intercept. If you graph the second answer (B. y= 1/5x-4), there is going to be a horizontal line below the x intercept.

A triangle has vertices at R(1, 1), S(-2,-4), and T-3, -3). The triangle is transformed according to the rule Ro. 270". Whatare the coordinates of S?


(-4,2)
(-2, 4)
(2,4)
(4,-2)

Answers

The coordinate of S if the triangle is transformed according to the rule Ro. 270 is (-4, 2)

Transformation of coordinates

Transformation is the process of changing the position of an object in a xy-plane.

Given the coordinate of the triangles as R(1, 1), S(-2,-4), and (T-3, -3). If the triangle is transformed according to the rule Ro. 270", the resulting coordinate points are (x,y)→(y,−x)

The coordinate of S using the rule is (-4, 2)

Learn more on transformation here: brainly.com/question/17311824

The coordinate of S if the triangle is transformed according to the rule Ro. 270 is (-4, 2)

What is transformation?

A transformation is a dramatic change in form or appearance. An important event like getting your driver's license, going to college, or getting married can cause a transformation in your life. A transformation is an extreme, radical change.

here, we have,

Transformation of coordinates

Transformation is the process of changing the position of an object in a xy-plane.

Given,

the coordinate of the triangles as R(1, 1), S(-2,-4), and (T-3, -3). If the triangle is transformed according to the rule Ro. 270", the resulting coordinate points are (x,y)→(y,−x)

The coordinate of S using the rule is (-4, 2)

Learn more on transformation here:

brainly.com/question/17311824

#SPJ5