Step-by-step explanation:
Fifth is B
Sixth I think it is D.
Hope this helps...
Answer:
Step-by-step explanation:
This is a horizontally stretched ellipse. That means that the horizontal line which is represented by the x-axis is the longer one. The equation for this type of ellipse is

In an ellipse, the a value is ALWAYS bigger than the b value, and since the x-axis represents the longer axis, the a goes under the x-squared term.
To solve for the h, the k, the a, and the b, we simply have to do some counting. The center of the ellipse, the (h, k) our of equation, is sitting at (4, 6). Put them where they belong in the equation. The a axis (the horizontal one) is 8 units long, and the b axis (the vertical one) is 4 units long. Square both of them and put them where they belong in the equation:

There you go!
The x-coordinate of the right-most point of S' is 4. In the original, it is 6. The dilation multiplier is 4/6 = 2/3.
Selection B matches that.
Answer:
x = 9 y = 3 (9,3)
Step-by-step explanation:
3x - 5y = 12
3(3y) - 5y = 12
9y - 5y = 12
4y = 12
4y/4 = 12/4
y = 3
x = 3(3)
x = 9
CHECK:
3(9) - 5(3) = 12
27 - 15 = 12
12 = 12
Usando conjuntos de Venn, se encuentra que 7 estudiantes practican solo atletismo.
Los conjuntos son:
- Conjunto A: Estudiantes que practican natación.
- Conjunto B: Estudiantes que practican atletismo.
Hay que:
- 13 que practican natación, o sea,
.
- 10 practican atletismo, o sea,
.
- 2 que no practican nada, o sea
.
La cantidad que practica ambos es:



Solo atletismo es:

7 estudiantes practican solo atletismo.
Más informaciones a cerca de conjuntos de Venn pueden ser obtenidas en brainly.com/question/24388608