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Radda [10]
1 year ago
7

Just need help on 29

Mathematics
1 answer:
luda_lava [24]1 year ago
6 0

Answer:

b.is the answer to your question

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Solve x2 − 12x + 5 = 0 using the completing-the-square method. x = six plus or minus the square root of five x = negative six pl
Andru [333]

we are given

x^2-12x+5=0

we have to solve it by completing square method

step-1: Move 5 on right side

x^2-12x+5-5=0-5

x^2-12x=-5

step-2: Break middle term

x^2-2*6*x=-5

step-3: Add 6^2 both sides

x^2-2*6*x+(6)^2=-5+(6)^2

(x-6)^2=31

step-3: Solve for x

\sqrt{(x-6)^2} =\sqrt{31}

we wil get two values

First value is

x-6=\sqrt{31}

add both sides 6

x-6+6=6+\sqrt{31}

x=6+\sqrt{31}

Second value is

x-6=-\sqrt{31}

add both sides 6

x-6+6=6-\sqrt{31}

x=6-\sqrt{31}

so, solutions are

x=6+\sqrt{31}

x=6-\sqrt{31}.............Answer

5 0
3 years ago
1. whats the midpoint between (7,3) and (-3,-1)
Elanso [62]

Answer:

(2, 1 )

Step-by-step explanation:

Given endpoints (x₁, y₁ ) and (x₂, y₂ ) then the midpoint is

( \frac{x_{1}+x_{2}  }{2}, \frac{y_{1}+y_{2}  }{2} )

Here (x₁, y₁ ) = (7, 3) and (x₂, y₂ ) = (- 3, - 1) , then

midpoint = ( \frac{7-3}{2}, \frac{3-1}{2} ) = ( \frac{4}{2}, \frac{2}{2} ) = (2, 1 )

5 0
3 years ago
Just need help with number 2 I will GUVE brainliest
FinnZ [79.3K]
The answer is a and d
7 0
2 years ago
PLZ!!!!HELP!!!What is the absolute deviation for 15 in the data set?
Brut [27]
20 + 20 + 30 + 15 + 40 = 125
125/5= 25
25-15 = 10
Absolute deviation for 15 is 10
5 0
3 years ago
Read 2 more answers
Please help thank u<br> i will give 15 points + branliest
FromTheMoon [43]

Answer:

the answer is d

Step-by-step explanation:

its the only answer that makes sense in my opinion

7 0
3 years ago
Read 2 more answers
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