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3 years ago

Name the property that the statement illustrates.

Mathematics

1 answer:

algol [13]3 years ago

6 0

Answer:

Symmetric Property of Congruence

Step-by-step explanation:

Reflexive:

A ~= A

B ~= B

Symmetric:

A ~= B then B ~= A

Transitive:

If A ~= B and B ~= C, then A ~= C

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25% increase in sales

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3 years ago

a copy machine average 210 copies in 5 minutes at the same rate how many copies can the machine make in 12 minutes???

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3 years ago

The midpoint of segment AB is (-7, 10) and endpoint A is located at (3, -1). Find the other endpoint B. Show all work.

dusya [7]

Answer:

$B(-17,21)$

Step-by-step explanation:

The midpoint of two points is the average of the x coordinates and the average of the y coordinates.

Given

A(3, -1)

and we let the other end point B be B(x,y)

and midpoint is (-7,10)

So, the average of 3 and x is -7, and

the average of -1 and y is 10

We can solve for x first:

$\frac{3+x}{2}=-7\\3+x=2*-7\\3+x=-14\\x=-14-3\\x=-17$

and now solving for y:

$\frac{-1+y}{2}=10\\-1+y=2*10\\-1+y=20\\y=20+1\\y=21$

So, the other point B is:

$B(-17,21)$

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4 years ago

Convert 0.345634563456…to a rational number in the form of ab, where b≠0.

alexandr1967 [171]

A standard trick for finding the rational form of a repeated decimal:

$x=0.34563456\ldots=0.\overline{3456}$

Multiply by an appropriate power of 10 to move one "cycle" of the repeated pattern to the left side of the decimal point:

$\implies10^4x=3456.34563456\ldots=3456.\overline{3456}$

Now subtract $x$ from this number and we lose the fractional part:

$\implies10^4x-x=9999x=3456$

And from here you can solve for $x$ .

$\implies x=\dfrac{3456}{9999}=\dfrac{384}{1111}$

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4 years ago

Help wich expression is equivalent to -8(10x-3)

Tju [1.3M]

A because you distribute the -8 to get -80x-(-24)

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3 years ago