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maksim [4K]
3 years ago
15

PLZ HELP DUE SOON!!!!!!

Mathematics
1 answer:
ANEK [815]3 years ago
3 0
Let's factor the following polynomial to find the roots:
 x2-13x + q = 0
 Factoring we have:
 (x-12.5) * (x + a)
 Where,
 -12.5 + a = -13
 a = -13 + 12.5
 a = -0.5
 We now look for the coefficient q:
 q = -12.5 * a
 q = -12.5 * (- 0.5)
 q = 6.25
 The polynomial will then be:
 x2-13x + 6.25 = 0
 Its roots are:
 x1 = 12.5
 x2 = 0.5
 Answer:
 The other root and the value of the coefficient are:
 0.5 and 6.25 (Respectively)
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Answer:

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
4.3 Mr Mokwebo 's two sons, Refentse and Tokelo have just passed grade 7 and grade 9 respectively. He will give them some money
Bumek [7]

The amount of money each of Mr Mokwebo 's two sons; Tokelo and Refentse will get is R116 and R95 respectively.

<h3>How to write and solve equation:</h3>

  • Amount needed to buy chocolate = R253
  • Tokelo's money = x
  • Refentse's money = x - 21

Total amount needed = Tokelo's money + Refentse's money

253 = x + (x - 21)

253 = x + x - 21

253 = 2x - 21

253 - 21 = 2x

232 = 2x

divide both sides by 2

x = 232/2

x = 116

Therefore,

Tokelo's money = x = R116

Refentse's money = x - 21

= 116 - 21

= R95

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brainly.com/question/2972832

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6 0
2 years ago
Jake studied x hours for a big test. Julie studied half as long. Write an algebraic expression for long julie studied.
kipiarov [429]
X/2 is howling Julie studied
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3 years ago
there are 3 boys for every 2 girls in the class. there are 90 students total. how many total girls? how many total boys?
netineya [11]

Answer: There is 36 girls and 54 boys.

Step-by-step explanation: If there is 36 girls and there is 3 boys for every 2 girls that means half of 36 is 18 so do 18 times 3 which will equal 54 boys.

54+36=90

4 0
3 years ago
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