Why deos it take 3 copies of 1/6 to show the same amount as 1 copy of 1/2 amount

Answers

Answer 1

Answer: It is because $3 * (1/6) = 3/6$ which can also be $1/2$ . That is the same as $1 * (1/2)$ which is $1/2$

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What is 3.25 with the 5 repeating as a rational number

Answers

So,

$3.2\overline{5}$

Multiply it by 100.

$3.2\overline{5}--\ \textgreater \ 325.5\overline{5}$ .

We now know that $325.5\overline{5}$ is 100 times of $3.2\overline{5}$ . If we subtract the first from the second, we will get 99 of the number. Then, we can simply divide by 99 and we will have it in fraction form.

$325.5\overline{5}-3.2\overline{5}=322.3$

Now, we put it over 99.

$(322.3)/(99)$

Of course, we cannot have decimals in fraction form, so we will just fix that.

$(3223)/(990)= (11*293)/(2*3*3*5*11)=(293)/(2*3*3*5)=(293)/(90)\ or\ 3 (23)/(90)$

322 over 99 is your answer. Hope this helps!

Factor:

a^n + a^n+1 +a^n+2

Answers

Answer:

$a^(n)$ (1 + a + a²)

Step-by-step explanation:

consider the rule of exponents

$a^(m)$ × $a^(n)$ = $a^((m+n))$

given $a^(n)$ + $a^(n+1)$ + $a^(n+2)$

Take out the common factor $a^(n)$

= $a^(n)$ (1 + a + a²)

A study revealed that, compared with children who do not have autism, most autistic children have underdeveloped motor skills. However, siblings of autistic children do not have any motor impairment.Based on this excerpt, we can conclude that autism .

Answers

Answer:

b) Is associated with motor impairment but does not cause it

Step-by-step explanation:

The study didn't explain the timeline of their findings, so we can conclude this research takes data at one time. Research that doesn't take before and after exposure data cannot be used to derive causation since we can't prove that the condition happens after the exposure. But this study still can predict association by risk ratio or odds ratio depends on the study design.

Answer: I used the answer b) Is associated with motor impairment but does not cause it ... on the Plato test and got the answer wrong. Choose a different answer.

Step-by-step explanation:

A student uses the substitution method to solve the system of equations below algebraically.2x - y = 5
3x + 2y = -3

Which equation could be used?

Answers

Answer:

Step-by-step explanation:

He could use either. It would probably be better to use one that already has a variable without a coefficient. which one has that? Let me know if that doesn't make sense.

Find the radius of a circle on which a central angle measuring 2π/3 radians intercepts an arc on the circle with a length of 35π kilometers.