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Ksju [112]
3 years ago
13

Sabrina was able to map circle P onto circle R (with Q and S being on each circle, respectively) using a translation and a dilat

ion.
Sabrina concluded: "I was able to map circle P onto circle R using a sequence of rigid transformations and a dilation, so the figures are similar."

What error did Sabrina make in her conclusion?

A. Sabrina used a translation, so the circles aren't similar.
B. Sabrina used a dilation, so the circles aren't similar.
C. There is no error. This is a correct conclusion.

Mathematics
2 answers:
drek231 [11]3 years ago
8 0

Answer:

There is no error. This is a correct conclusion.

Step-by-step explanation:

From Khan Academy. It was right.

nika2105 [10]3 years ago
6 0

Answer:there is no error

Step-by-step explanation:

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Given ABC find the values of x and y. In your final answer, include all of your calculations.
kow [346]

So with this, we will be using proportions. To solve for x, our proportion will be \frac{x}{6} =\frac{6}{x-9}


Firstly, cross-multiply: x^2-9x=36


Next, subtract 36 on both sides: x^2-9x-36=0


Next, replace -9x with 3x-12x x^2+3x-12x-36=0


Next, factor x^2+3x and -12x-36 separately: x(x+3)-12(x+3)=0 . After, rewrite it as (x-12)(x+3)=0


Next, solve for x separately in the two parentheses:

x-12=0\\ x=12

x+3=0\\ x=-3


Since we can't have a negative length, x = 12.



To solve for y, our proportion will be \frac{y}{9} =\frac{12}{y}


Firstly, cross-multiply: y^2=108


Next, just square root each side, and your answer will be (rounded to hundredths) y=10.39



In short, x = 12 and y = 10.39.

5 0
3 years ago
Find the area of the figure below. (Please help)!
QveST [7]

Hi,

The formula for area of a circle is pi r ^2 so the diameter is 12, therefore the radius is half of that so 6. The answer is 113 km².

Please mark brainliest if I helped!

4 0
3 years ago
Help meh or i will die :P
mariarad [96]
This is 3rd grade math search it
8 0
3 years ago
Read 2 more answers
Let X be the amount of time (in minutes) a USPS clerk spends with a customer. It is known that X follows an exponential distribu
musickatia [10]

Answer: 0.4

Step-by-step explanation:

Given: Cumulative exponential distribution:

P(x

As per given,

P(x

P(0.5 < X < 3) \\\\=P(X

Hence, the required probability = 0.4

5 0
3 years ago
My watch loses a quarter of a minute every hour . If i put it right at midday , what time will my watch show at 8pm that evening
Phantasy [73]

Answer:

7:58 PM

Step-by-step explanation:

8PM=20HRS

20:00                                                                      

-12:00

8HRS            8x60=480 MIN

           1/4x480=120 sec

120/6=2min

    8:00

-      :02

     7:58

4 0
4 years ago
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