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stiv31 [10]
2 years ago
9

Horatio drew a circle with a radius of 6x cm. Kelli drew a circle with a radius of 18y cm. What is the scale factor between thes

e two circles? (this is a quiz question, you will recieve a medal for best answer)
A. x/3y
B. 2x/3y
C. 1/3
D. 2/3
Mathematics
2 answers:
jasenka [17]2 years ago
5 0
I believe the answer Is A.x/3y.
crimeas [40]2 years ago
5 0
The scale factor of these two circles is the ratio of their radii. This is shown below,
                               sf = r1 / r2   =   6x/18y
Simplifying the fraction by dividing both the numerator and the denominator by 6 gives an answer of x/3y. Thus, the answer is letter A. 
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What additional information can be used to prove ΔDSB ≅ ΔTSR by SAS?
Elden [556K]

Please find the attached file for a proper understanding of the question given here. The diagram in the file attached is the complete accompanying diagram of the question.

As per that diagram, RS\cong SB (which is given)

and we know that \angle DSB\cong \angle RST (vertically opposite angles).

Thus, the only way ΔDSB ≅ ΔTSR by SAS is when DS\cong ST as indicated in the diagram.

Thus, DS\cong ST is the correct answer.


8 0
3 years ago
Read 2 more answers
How many different towers can you make using one red, one blue and one yellow block?
icang [17]
You can make 6 different towers. If red was at the bottom, there'd be two different possibilities for that: red, yellow, blue, and red, blue, yellow. Same for if blue was at the bottom: blue, red, yellow, and blue, yellow, red. Yellow also applies: yellow, red, blue, and yellow, blue, red. 3*2=6, so 6 possible towers. 
7 0
3 years ago
Leave the answer as an improper fraction​
Ghella [55]

Hey there!

ANSWER: \frac{23}{20}

EXPLANATION:

To find the answer to your question, you will need to add.

\frac{3}{4}+\frac{2}{5}

First, multiply the denominator.

5*4=20

So the denominator will be 20.

Now move on to the numerator. Multiply 5 by 3.

5*3=15

Now multiply 4 bu 2.

4*2=8

If you want to get the numerator, add what you got after multiply.

15+8=23

The numerator is 23. So now let's complete the fraction.

\frac{23}{20}

This is your answer!

Hope this helps!

-TestedHyperr

3 0
3 years ago
2 0,484,163 expanded form
Oksi-84 [34.3K]
20,000,000+400,000+80,000+4,000+100+60+3
4 0
3 years ago
Please help guys!!!!!!!!!!!!!!
hram777 [196]

Answer:

a) x = -10

b) x = 7

Step-by-step explanation:

a)

2(x + 3) = x - 4

2x + 6 = x - 4

2x - x = -4 - 6

x = -10

b)

4(5x - 2) = 2(9x + 3)

20x - 8 = 18x + 6

20x - 18x = 6 + 8

2x = 14

x = 7

7 0
2 years ago
Read 2 more answers
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