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Vika [28.1K]
3 years ago
5

Is 6.7234724 rational

Mathematics
1 answer:
maksim [4K]3 years ago
8 0

Answer: Yes

Step-by-step explanation:

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Miley’s music has a sale on music CDs. All music CDs are discounted 15%. Mariana’s receipt indicates that she saved $3 on her CD
Tcecarenko [31]

she saved $3, and we know the discount is 15%, so her savings is that 15%, thus we know 15% of that purchase is 3.


let's say the full price is x, and therefore the 100%, if we know 3 is the 15%, what is x?


\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 3&15\\ x&100 \end{array}\implies \cfrac{3}{x}=\cfrac{15}{100}\implies \cfrac{3\cdot 100}{15}=x\implies 20=x

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3 years ago
Emma is thinking of three numbers from 1 to 9 that have the sum of 20 find of the possible numbers
Salsk061 [2.6K]
9+9+2=20
9+8+3=20
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(These ones are kin of repeated but in a different order:)
9+5+6=20
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6 0
4 years ago
Solve the expression 94-x-67-x
Leni [432]

I guess it is simplifying the expression:

{ \tt{94 - x - 67 - x}} \\  = { \tt{94 - 67 + ( - x - x)}} \\  = { \tt{27 - (x + x)}} \\  = { \tt{27 - 2x}}

7 0
3 years ago
Read 2 more answers
4. a. If the original lengths are multiplied by 2, what are the new coordinates? *
Lapatulllka [165]

divide

Step-by-step explanation:

But i think I know what you need to do so first count the graph like see where it is pointed at then divide and u get ur answer Again im not sure but maybe

5 0
3 years ago
Someone help please and please make sure it’s right :)
Anuta_ua [19.1K]

Answer:

11

Step-by-step explanation:

5x + 5 = 4x + 16 ( being alternate angles)

5x - 4x = 16 - 5

x = 11

Hope it will help :)

6 0
3 years ago
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