Phân tích đa thức thành nhân tử 8x^2+16xy

Mathematics

1 answer:

Svetach [21]3 years ago

4 0

Answer: 8x^2+16xy= 8x(x+2y)

You might be interested in

The volume of a cone is 20pi cubic meters. What is the volume of a cylinder with the same base and height?

Sergeu [11.5K]

Recall, the volume of a cone is 1/3pi times radius of base times height.
$V cone_{} = \frac{1}{3} * \pi *r^2*h$

Volume of a cylinder is the same but without the 1/3
$V cyl_{} = \pi*r^2*h$

It gives you the cone volume 20pi and that the radius and height of both of them are the same values.
$20 \pi= \frac{1}{3} \pi r^2h$
$V cyl_{}= \pi r^2h$

since it says the radius and height are the same for both , you can equate the two, you can solve both equations for r^2*h and then equate what is on the other side.
$60=r^2h
$
$\frac{V}{ \pi } =r^2h$

so
$60= \frac{V}{ \pi }$
$V=60 \pi$

4 0

3 years ago

se quiere pintar una pared en forma de hexágono regular y se sabe que cada lado mide 3m y que su apotema es de 2,8m cual es el a

qwelly [4]

Answer:

El área total a pintar será:

$A_{tot}=25.2\: m^{2}$

Step-by-step explanation:

Sabiendo el apotema y la longitu de los lados, podemos encontrar el área de un triangulo. Recordemos que, si trazamos rectas del centro del hexágono a los vértices, se formaran 6 triángulos equiláteros.

El área de un triángulo es:

$A_{t1}=\frac{b*a}{2}$