2 years ago

Select the graphs that show a proportional relationship between x and y

Mathematics

1 answer:

muminat2 years ago

7 0

Hey there could you please show an image of said graphs!

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4/9 expressed as a percent please help and show work! Please

coldgirl [10]

4/9 as a percent is (about) 44% Work:
First get a decimal by dividing 4/9(4 divided by 9) you get 0.44 repeating
Next, take away the 0. and add a percent sign at the end of 0.44. You get 44%
Truly, the answer is 44.44444...% because the four repeats, but if you round it is simply 44%

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3 years ago

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H.C.F of 4,5 and 10 in Division method

Tasya [4]

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Step-by-step explanation:

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3 years ago

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Let n be a natural number. Show that 3 | n3 −n

Vladimir [108]

Let $n=1$ . Then $n^3-n=1^3-1=0$ . By convention, every non-zero integer $n$ divides 0, so $3\vert n^3-n$ .

Suppose this relation holds for $n=k$ , i.e. $3\vert k^3-k$ . We then hope to show it must also hold for $n=k+1$ .

You have

$(k+1)^3-(k+1)=(k^3+3k^2+3k+1)-(k+1)=(k^3-k)+3(k^2+k)$

We assumed that $3\vert k^3-k$ , and it's clear that $3\vert 3(k^2+k)$ because $3(k^2+k)$ is a multiple of 3. This means the remainder upon divides $(k+1)^3-(k+1)$ must be 0, and therefore the relation holds for $n=k+1$ . This proves the statement.

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3 years ago

Which expression represents the number of equal slices for the nth member of the pattern?

shutvik [7]

Where's the picture ?

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3 years ago

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Please please help! i need to submit in 15 minutes!!!

olganol [36]

Answer:

Step-by-step explanation: