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Andreyy89
3 years ago
7

What is the value of a in #1?

Mathematics
1 answer:
valina [46]3 years ago
3 0
What is the question though in A #1
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What is the median of this set of data?
dem82 [27]
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you put the number in order from little to big  and the one in the middle is your answer 
5 0
3 years ago
Help please ASAP!!!!
seraphim [82]
The third one should be correct, “IMO” if the second person that answers agrees it’s 100%, I’ve had a question similar but I’m not sure exactly.. sorry tho, please lmk if somethings wrong “I will reply I’m not like those kids trying to get coins”
5 0
2 years ago
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How can I factor 5x^2 + 26x - 24 = 0 using the completing the square method.
kifflom [539]
<h2><u>QUADRATIC EQUATION</u></h2>

<h2>\mathbb{ANSWER:}</h2>
  • \bold{x = 0.8 \: } \:  \sf \:  {\color{grey}or} \:  \:  \:  \bold{ x=  \frac{4}{5} } \\

  • \bold{x =  - 6}

— — — — — — — — — —

<h3>Step-by-step explanation:</h3>

<u>How can </u><u>we</u><u> factor 5x^2 + 26x - 24 = 0 using the completing the square </u><u>method?</u>

Let's solve your equation step-by-step.

\bold{Given \:  Equation: \color{brown} 5x²+26x-24=0}

First, add 24 to both sides.

  • \bold{5x²+26x-24 - \purple{ 24} = 0 +  \purple{24}}

  • \bold{ \implies \: 5x²+26x = 24 }

Since the coefficient of 5x² is 5, divide both sides by 5.

  • \bold{ \frac{5 {x}^{2} + 26x }{5} =  \frac{24}{5}  } \\

  • \bold{ \implies \:  {x}^{2} +  \frac{26}{5} x =  \frac{24}{5}  } \\

The coefficient of 26/5x is 26/5. So, let b=26/5.

Then we need to add (b/2)²=169/25 to both sides to complete the square.

Add 169/25 to both sides.

  • \bold{ {x}^{2} +  \frac{26}{5} x +  \frac{  \purple{169}}{ \purple{25}}=  \frac{24}{5}    +  \frac{ \purple{169}}{ \purple{25}} } \\

  • \bold{ \implies \:\bold{ {x}^{2} +  \frac{26}{5} x +  \frac{  169}{ {25}}=  \frac{289}{25}  } } \\

Factor the left side.

  • \bold{(x +  \frac{13}{5} ) {}^{2} =  \frac{289}{25}  } \\

Take square root.

  • \bold{x +  \frac{13}{5} = ±  \:  \sqrt{ \frac{289}{25}  }} \\

Then, add (-13)/5 to both sides.

  • \bold{x +  \frac{13}{5} +  \frac{\purple{ - 13} }{\purple{ 5}} = \frac{{ - 13} }{{ 5}} ± \:      \sqrt{ \frac{289}{25}}} \\

  • \bold{  \: x =  \frac{ - 13}{5} ± \sqrt{ \frac{289}{25} } } \\

  • \implies \: \underline{ \boxed{ \bold{   \frac{4}{5}  } \sf  \:  \: or \:  \:  \bold{ x =  - 6}}} \\

_______________❖_______________

3 0
2 years ago
Read 2 more answers
Trevor and Marissa together have 26 t shirt to sell if Marissa has 6 fewer t shirts than Trevor find how many t-shirts Trevor ha
Romashka-Z-Leto [24]
1) Set up an equation for the total, with T representing Trevor and M representing Marissa: 

T + M = 26

2) Use the provided information related Marissa's t-shirts to Trevor's to solve for one variable at a time (in this case, T): 

M = T-6 

3) Substitute M with this equation into the initial, first equation: 

T + (T-6)  = 26

4) Combine like terms and isolate T: 

T+T = 26 + 6

2T = 32 

T = 16 

5) Therefore, you now know that Trevor has 16 t-shirts. To find the number of t-shirts that Marissa has, simply plug in this amount for T into the equation that was already set up for M: 

M = T - 6 

M = 16 - 6 

M = 10

Therefore, Trevor has 16 t-shirts and Marissa has 10 t-shirts.

Hope this helps, and don't forget to mark my answer as the Brainliest! :) 

 



6 0
3 years ago
What is the square of 5y?
Virty [35]

Answer:

<h3>25y^2</h3>

Step-by-step explanation:

(5y)^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \left(a\times\:b\right)^n=a^nb^n\\\\\left(5y\right)^2=5^2y^2\\\\5^2=25\\\\=25y^2

5 0
3 years ago
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