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S_A_V [24]
3 years ago
9

A Pentagon is transformed according to the rule R0, 180°. Which is another way to state the transformation?

Mathematics
2 answers:
postnew [5]3 years ago
8 0

The another way to state the transformation would be (x,y)>(-x,-y)

<u>Solution:</u>

Rotation about the origin at 180^\circ: R_{180^\circ}A \rightarrow O = R_{180^\circ} (x, y) \rightarrow (-x,-y)

The term R0 means that the rotation is about the origin point. Therefore, (R0,180) means that we are rotating the figure to 180^\circ about the origin.

So, the transformation of the general point (x,y) would be (-x,-y) when it is rotated about the origin by an angle of 180^\circ.

Hence according to the representation, the expression would be (x, y) \rightarrow (-x, -y).

Natali [406]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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Find the surface area of the given prism​
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Answer:

Hello! answer: 432

Step-by-step explanation:

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96 + 96 + 72 + 72 + 48 + 48 = 432 therefore the surface area is 432 hope that helps!

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2p/9 + 5p/18 - 5/6 = 2/3 + p/12 + 1/6
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3 years ago
Brass is made from a mixture of copper and other elements. a mixture that is 80% copper is combined with a mixture that is 60% c
algol [13]

The equation that can be used to find x, the amount of the 60% mixture used to create the 65% mixture is:

0.60*x + 0.80*(100 - x) = 0.65*(100).    

<h3>Which equation we should use?</h3>

First, let's define two variables:

  • x = pounds of the 60% copper brass.
  • y = pounds of the 80% copper brass.

We know that we want to make 100 lb of 65% copper brass, then we must have that:

x + y = 100

And the percentage of copper before and after mixing must be the same, so we can write:

0.60*x + 0.80*y = 0.65*(x + y).

(where the percentages are written in decimal form).

Then we have a system of equations:

x + y = 100

0.60*x + 0.80*y = 0.65*(x + y).

To get a single equation, we can isolate the variable "y" on the first equation:

y = 100 - x

Now we replace that in the other equation:

0.60*x + 0.80*(100 - x) = 0.65*(100).      

This is what we wanted to get, an equation that can be used to find x, the amount of the 60% mixture used to create the 65% mixture.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

4 0
1 year ago
(04.04)
harkovskaia [24]
I Think The answer is 35 units I hope it helps Message Me if I’m wrong and I’ll change My answer and fix it for you
6 0
3 years ago
Read 2 more answers
Name the property illustrated.<br><br> 4 + 3 + 9 = 3 + 4 + 9<br><br><br> Yall please answer ASAP
sattari [20]

Answer:

true

Step-by-step explanation:

4+3+9=3+4+9

use the commutative property to rearrange the terms.

4+3+9=4+3+9

equality is true because both members are identical.

5 0
2 years ago
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