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krek1111 [17]
3 years ago
8

Which shows the image of ΔRST after the rotation (x, y) → (y, –x)? On a coordinate plane, a triangle has points R (negative 2, 1

), S (1, 3), T (negative 1, 8). On a coordinate plane, a triangle has points R prime (1, 2), S prime (3, negative 1), T prime (7, 1). On a coordinate plane, a triangle has points R prime (1, negative 2), S prime (3, 1), T prime (7, negative 1). On a coordinate plane, a triangle has points R prime (negative 1, negative 2), S prime (negative 3, 1), T prime (negative 7, negative 1). On a coordinate plane, a triangle has points R prime (2, 1), S prime (negative 1, 3), T prime (1, 7).
Mathematics
2 answers:
Mumz [18]3 years ago
4 0

Answer:

  On a coordinate plane, a triangle has points R prime (1, 2), S prime (3, negative 1), T prime (7, 1)

Step-by-step explanation:

We assume that the coordinates of the vertices of the given triangle are supposed to be ...

  R(-2, 1), S(1, 3), T(-1, 7)

Then the given transformation (x, y) ⇒ (y, -x) will transform these to ...

  R'(1, 2), S'(3, -1), T'(7, 1) . . . . . (matches the first choice)

Tomtit [17]3 years ago
3 0

Answer:

its the upsidedown triangle thats on the x-axis

Step-by-step explanation:

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How to find y Intercept​
Inessa [10]

Answer:

Y intercept is x=0 so y=Mx+b your b is the y intercept

Step-by-step explanation:

4 0
3 years ago
514 A restaurant's menu features appetizers, 7 entrées, and 3 dessertsA customer orders only oneappetizer, only one entrée, and
yuradex [85]
Simple...there'a a LOT of combinations...

so to simply solve this;there is 5 appetizers, 7 entrees and 3 desserts....

Just take 5*7=35

and 

35*3=105

Thu,s there is 105 combinations possible to make.

Thus, your answer, D.
8 0
3 years ago
Which statement correctly describes the relationship between the graph of f(x) and g(x)=f(x−7) ?
vitfil [10]
Assume that f(5)=8. So, (5, 8) is a point in the graph of f.

For g(x) to give us 8, we need x to be 12, because in that case we would have:

      g(12)=f(12-7)=f(5), which is 8. Thus, (12, 8) is a point on the graph of g.


Comparing (5, 8) in f, and (12, 8) in g, we can see that the graph of g is the graph of f shifted 7 units to the right.


Answer: <span>C) The graph of g(x) is the graph of ​f(x)​ translated 7 units right.</span>


6 0
3 years ago
A cylinder and a cone have the same volume. The cylinder has radius x and height y. The cone has radius 1/3x. Find the height of
slavikrds [6]

Answer:

The height of the cone h = 27(x^4)y

Step-by-step explanation:

Firstly, we calculate the volume of the cylinder.

Mathematically, the volume of the cylinder is pi * r^2 * h

using the radius x and height y

The volume V of the cylinder is ;

V = pi * x^2 * y

Now we know they have the same volume V, the formula for the volume of a cone is ;

1/3 * pi * r^2 * h

Substituting the values of r to be 1/3x and the height which is not given here left as h, we have the volume of the cone to be;

V = 1/3 * pi * (1/3x)^2 * h = pi * x^2 * y

The pi gives way as it cancels out on both sides and we have the following;

h/27x^2 = x^2y

Mathematically h = x^2 * y * 27x^2

h = 27(x^4)y

p.s: I personally feel the radius of the cone was to be given as x/3 and not 1/3x . It is in that way we can have the height of the cone purely in y terms and no x

8 0
3 years ago
A = (-123) + 77 + (-257) + 23 – 43
irga5000 [103]

Answer:

A=-323

Step-by-step explanation:

A = (-123)+77+(-257)+23-43

A = -46+(-257)+23-43

A = -303+23-43

A = -280-43

A = -323

Hope this helps

7 0
3 years ago
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