The sum of three numbers of an AP is 12 and the sum of their cubes is 288 find the numbers.

Mathematics

1 answer:

son4ous [18]2 years ago

5 0

Answer:

The numbers are 2 , 4 , 6 or 6 , 4 , 2

Step-by-step explanation:

For solution kindly refer to the attachment .

Related Information :- 

• The sum of n terms of an AP is ,

=> S = n/2 [ 2a + ( n - 1 ) d ]

• The nth term of an AP is ,

=> T_n = a + ( n - 1 ) d

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A student writes the equation for a line that has a slope of -6 and passes through the point (2, –8).

My name is Ann [436]

Answer:

y-(-8)= -6(x-2)

y+8= -6x+12

y = -6x+ 4

you're mistake was you did +8 in 3rd step but you need to -8 both side becoz y-(-8)= y+8

Step-by-step explanation:

brainliest?

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1 year ago

I dont understand this, can i get some help please

Ray Of Light [21]

When we want to find the roots of a one-variable function, we look for where its graph intersects the x-axis. In this case, the graph intersects the x-axis at $x=1.$

The vertex of a parabola is the highest or lowest point on it, depending on whether the leading coefficient of the quadratic function is negative or positive. In this case, we see that the lowest point is $(1,0).$

For the y-intercept, just look for where the graph intersects the y-axis; in this case, that point is $(0,1).$

Using this information, the vertex-form equation of the parabola is $y=1\cdot(x-1)^2+0,$ so the factors are two copies of $x-1.$ In this case, the value of $a$ in the equation $y=a(x-h)^2+k$ was conveniently 1; if that's not the case, you'll want to plug in $x=0$ to solve for the value of a that gives the correct y-intercept.