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RUDIKE [14]
2 years ago
11

Are the ratios 20:9 and 2:1 equivalent? yes or no

Mathematics
2 answers:
emmainna [20.7K]2 years ago
7 0
No they are not equivalent to each other
marusya05 [52]2 years ago
5 0

Answer:

No

Step-by-step explanation:

Do they have common factors?

No which is why they are not able to be simplified further

so no

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How to convert the repeating nonterminating decimal to a fraction 0.1515
Ipatiy [6.2K]
The answer to the question

5 0
3 years ago
under a dilation, the point (2,6) is moved to (6,18) what is the scale factor of the dilation? enter your answer in the box​
Anestetic [448]
<h2>3</h2>

Step-by-step explanation:

The equation of line passing through the two points is \frac{y-y_{1} }{x-x_{1} }=\frac{y_{2} -y_{1}}{x_{2} -x_{1}}

When substituted,the equation becomes \frac{y-6}{x-2}=\frac{18-6}{6-2}

which when simplified is y=3\times x

The line clearly passes through origin.

The distance between two points is \sqrt{(y_{1}-y_{2} )^{2}+(x_{1}- x_{2} )^{2}}

Distance between origin and (2,6) is \sqrt{40}.

Distance between origin and (6,18) is \sqrt{360}

Scale factor is  \frac{distance\text{ }of\text{ }p_{2}\text{ from origin}}{distance \text{ } of \text{ } p_{1}\text{ from origin}}

So,scale factor is \frac{\sqrt{360} }{\sqrt{40} }

which when simplified becomes 3.

6 0
3 years ago
Can someone please help me?
docker41 [41]
THe answer is A.... 42.4 times 10.5 is 445.20
4 0
3 years ago
Read 2 more answers
Suppose that 11 inches of wire costs 66 cents. at the same rate, how much (in cents) will 4 inches of wire cost?
Andre45 [30]
24 cents.

11/66= 6
4/x= 6
4•6= 24
(proportions)

hope this is clear :))
7 0
3 years ago
A cylinder is inscribed in a right circular cone of height 4.5 and base radius equal to 6. What are the dimensions of such a cyl
xeze [42]
V=πr^2h
h=4.5
r=6
v=22\7 x 6 x 6 x 4.5
v=509.142857
v=509cubic unit
7 0
3 years ago
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