B seven eighths of a barrel of apples
C one third of a barrel of apples
D five eighths of a barrel of apples
➷ Simply add them together:
=
The answer is B. seven eighths of a barrel.
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6/19=x-12/2x-2
What’s the answer?
the solution for the given equation is x = 30.857.
the property of having suitable proportions in terms of size, number, degree, harshness, etc.: If a defensive action against an unfair attack results in the destruction that contravenes the proportionality criterion, it may even go far beyond a justifiable defense.
Given an equation, 6/19=x-12/2x-2
Simplifying this using PEMDAS
cross multiple the equation
12x -12 = 19x -12*19
on the same side
-7x = -228 +12
-7x = -216
x = 216/7
x = 30.857
Therefore, the solution for the given equation is x = 30.857.
Learn more about proportionalities here:
#SPJ5
Double roots of a quadratic equation shows that they are same root, and the graph of the quadratic function merely touches the input axis.
Let there is a quadratic function as:
The input axis is 'x-axis' and the output axis is 'y-axis'
When the output is 0, we get the graph of that function touching the x-axis since the place where y is 0 is only x-axis.
Thus, putting gives us the values of x for which the graph of the function intersects the x-axis.
These points of interesection are called roots of the quadratic equation.
If the graph only touches the input axis (here x-axis), then both the roots are lying on same point and therefore are of equal measurement.
This is the condition when we call that the considered quadratic equation has double roots.
Let we consider and example of a quadraticfunction which will have double root.
Since (x-3)(x-3) = 0 will give x= 3 two times, that means the roots of the equation (x-3)(x-3) are same, and are equal to 3.
So, is one such quadraticfunction having double roots, as shown in the image attached below.
Learn more about finding the nature of the roots of a quadratic equation here:
Answer:
Step-by-step explanation: When the left side factors into two linear equations with the same solution, the quadratic equation is said to have a repeated solution. We also call this solution a root of multiplicity 2, or a double root.
Answer:
vertex = (7, - 18)
Step-by-step explanation:
given a parabola in standard form : ax² + bx + c : a ≠ 0
Then the x- coordinate of the vertex is
= -
y = 2x² - 28x + 80 is in standard form
with a = 2, b = -28 and c = 80, hence
= - = 7
substitute x = 7 into the equation for corresponding value of y
y = 2(7)² - 28(7) + 80 = 98 - 196 + 80 = - 18
vertex = (7, - 18)