2 years ago

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:

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

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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]

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

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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 :))

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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
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3 years ago