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horrorfan [7]
3 years ago
14

1 point Captionless Image 107(90.50) 101(90.50) 104+3(90.5) 104+263.50

Mathematics
1 answer:
slava [35]3 years ago
8 0
I don’t get what your trying to ask
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Someone plz helpppp!!!!!
kakasveta [241]

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Im not sure if this is correct but i believe so

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3 years ago
A pack of six cans of coffee cost 12$ . How much would 15 cans of coffee cost
Vera_Pavlovna [14]
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If log(x + y) = log 3 + ½log x + ½log y, prove that x² + y² = 7xy​
Free_Kalibri [48]

Answer:

See Explanation

Step-by-step explanation:

log(x + y) = log3 +  \frac{1}{2} logx+  \frac{1}{2} logy \\  \\ log(x + y) = log3 +    logx ^{\frac{1}{2}} +   logy ^{\frac{1}{2}}\\  \\  log(x + y) = log3 +    log(xy) ^{\frac{1}{2}} \\  \\ log(x + y) =  log[3(xy) ^{\frac{1}{2}}] \\  \\ x + y = 3(xy) ^{\frac{1}{2}} \\  \\ squaring \: both \: sides \\  {(x + y)}^{2}  =  \bigg(3(xy) ^{\frac{1}{2}} \bigg)^{2}  \\  \\  {x}^{2}  +  {y}^{2}  + 2xy = 9xy \\  \\  {x}^{2}  +  {y}^{2}  = 9xy - 2xy \\  \\   \purple{ \bold{{x}^{2}  +  {y}^{2}  = 7xy}} \\ thus \: proved

7 0
3 years ago
Read 2 more answers
Tony rounded each of the numbers 1183 and 1145 to the nearest hundred. Which choice correctly compares the rounded numbers
Mamont248 [21]
1183 rounded to the nearest hundred = 1200
1145 rounded to the nearest hundred = 1100
4 0
3 years ago
Read 2 more answers
Simplify\:\frac{\sqrt{5}}{\sqrt{3}}
avanturin [10]

\dfrac{\sqrt 5}{\sqrt 3} =\sqrt{\dfrac 53} \approx 1.291

7 0
3 years ago
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