Width of rectangle = 6 units
Length of rectangle = 2X+8 units
Area = 108 units square
Area = length * width
units
Answer:
31 alumnos no tienen celular
Step-by-step explanation:
Si 3/4 de los alumnos tienen celular, entonces 1/4 de ellos no tienen celular.
1/4 de 125 =
= 0.25 * 125
= 31.25
Answer:
The median grade would be 89
Step-by-step explanation:
To find the median, first put the numbers all in ascending order.
79, 80, 86, 92, 95, 96
Now isolate the middle term or terms. Since there is an even amount of numbers, we pick the two in the middle. To find the median, we take an average of those terms.
(86 + 92)/2 = 89
Answer:
The coefficient of the 2nd term of trinomial is 18.
Step-by-step explanation:
You can expand in a faster way by using the formula, (a+b)² = a²+2ab+b² :
(3x+3)² = (3x)² + 2(3x)(3) + 3²
= 9a² + 18a + 9
OR
You can expand it by doing step by step :
(3x+3)² = (3x+3)(3x+3)
= 3x(3x) + 3x(3) + 3(3x) + 3(3)
= 9x² + 9x + 9x + 9
= 9x² + 18x + 9
It would be B: a set of points that extends infinitely in two directions
