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Harlamova29_29 [7]
4 years ago
6

Eleanor was curious if triangles DEF and GHI were similar, so he tried to map one figure onto the other using rigid transformati

ons Eleanor concluded "It's not possible to map triangle DEF on GHI using a sequence of rigid transformations, so the triangles are not similar.
What error did Eleanor make in her decision?
A. One more transformation- a rotation- would map triangle DEF onto GHI. So the triangles are similar
B. One more transformation- a dilation- would map triangle DEF onto GHI. So the triangles are similar.
C. There is no error. This is a correct conclusion

Mathematics
2 answers:
bixtya [17]4 years ago
7 0

Answer:

Step-by-step explanation:

Fiesta28 [93]4 years ago
4 0

Answer:B

Step-by-step explanation:

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around a square with diagonal d = 4.6 cm a circle is described. Calculate the perimeter of the circle​
Nadya [2.5K]

Answer:

14.45cm2

Step-by-step explanation:

The diagonal is the diameter of the circle.

4.6cm

The perimeter of the circle is

Pi x4.6= 3.142 * 4.6= 14.45cm2

3 0
3 years ago
The second term in a geometric sequence is 20. The fourth term in the same sequence is 45/4 or 11.25. What is the common ratio i
kati45 [8]
\bf \begin{array}{ccll}
n&term&value\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
2&a_2&20\\
3&a_3&20r\\
4&a_4&20rr\\
&&20r^2\\\\
&&\frac{45}{4}
\end{array}\implies \stackrel{4^{th}~term}{20r^2=\cfrac{45}{4}}\implies r^2=\cfrac{45}{80}
\\\\\\
r^2=\stackrel{simplified}{\cfrac{9}{16}}\implies r=\sqrt{\cfrac{9}{16}}\implies r=\cfrac{\sqrt{9}}{\sqrt{16}}\implies r=\cfrac{3}{4} 
4 0
3 years ago
F(x) = 5x^3+ 2x^2 - 90x - 36. <br><br> finding all zeros by factoring and explaining the steps
ella [17]

Answer:

f(x)=5x^3-2x^2-90x-36=0

=x^2(5x-2)-18(5x-2)=(x^2-18)(5x-2)=0

x^2-18=0/5x-2=0

x^2=18=x=9√2

5x-2=0

x=2/5

zeros are 9√2,2/5

8 0
3 years ago
1 5/18 + 1 5/18 + 17/18 + 17/18
xenn [34]

Answer:

4.444

Step-by-step explanation:

mark me brainliest plz

6 0
3 years ago
6) Kate wants to buy some daisies for $6.99, some potting soil for $3.98, and a ceramic pot for $7.95. She has $20.00. Which num
Mama L [17]

By taking a subtraction, we will see that the change that Kate receives is $1.08

<h3></h3><h3>How to get the change?</h3>

The change will be given by the difference between what Kate has, and the cost of all the items she buys.

She has $20.00, and the costs are: $6.99, $3.98, and $7.95.

Then the change will be:

C = $20.00 - $6.99 -  $3.98 - $7.95 = $1.08

We conclude that the change is $1.08

If you want to learn more about subtractions, you can read:

brainly.com/question/2475734

5 0
2 years ago
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