Name the property shown by this statement 2(xy)=(2x)y

Mathematics

1 answer:

kogti [31]3 years ago

8 0

The property shown by given statement is associative property.

Step-by-step explanation:

Given expression is:

2(xy)=(2x)y

The expression contains three terms, the associative property involves three terms.

The associative property for product states that product of three terms is same no matter what the order of product is.

It can also be stated as:

$a(bc) = (ab)c$

We can see that the same property is illustrated in the given statement.

Hence,

The property shown by given statement is associative property.

Keywords: Properties, expressions

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Is the line through points P(2,-9) and Q(6, -13) perpendicular to the line through points R(5,-1) and

Kay [80]

Line through P(0, 5) and Q(-1, 8):
slope = m = (y2 - y1) / (x2 - x1) = (8 - 5) / (-1 - 0) = 3 / -1 = -3

line through R(3, 3) and S(5, -1):
slope = m = (y2 - y1) / (x2 - x1) = (-1 - 3) / (5 - 3) = -4 / 2 = -2

Parallel lines have equal slopes. Since the two lines have different slopes, they are not parallel.

8 0

3 years ago

Does anyone get this?

stepladder [879]

Answer: B

Step-by-step explanation:

In the systems of equation it already gives you the solution for x which is -2 so all you have to do is substitute -2 into the first equation and solve for y.

y= 2/3x + 3

x= -2

Substitute x for -2

y = $\frac{2}{3}* \frac{-2}1} + 3$