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Aleksandr-060686 [28]
3 years ago
9

3(x - 4)^2 = 15 using the square root method. Please and thank you.

Mathematics
2 answers:
Lerok [7]3 years ago
5 0

Answer:

x = √5 + 4 , -√5 + 4

kherson [118]3 years ago
4 0

Answer:

x = √5 + 4 , -√5 + 4

Step-by-step explanation:

3(x - 4)^2 = 15

/3                /3           (divide both sides by 3)

----------------------

(x - 4)^2 = 5

(x−4)^2⋅1/2 = ±√5           (take square root of both sides)

x - 4 = ±√5                      (add 4 on both sides)

  +         +4

-----------------

x = √5 + 4 , x = -√5 + 4

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Answer both please man. Or sorry you'll get a 1 star rating. THanks for answering guys!
Nataliya [291]

For the first one,

x = 10.

For the second one,

x = 12

5 0
3 years ago
Read 2 more answers
Estimate the sum or difference, 3 5/12 - 3 1/10
solniwko [45]

Answer:

19/60

Step-by-step explanation:

3 5/12=41/12

3 1/10=31/10

--------------

41/12-31/10=19/60

8 0
3 years ago
Write the standard form of the equation of the circle with radius 7 and center (4,−9).
Troyanec [42]

Answer:

x^2 + y^2 - 8x + 18y + 48 = 0

Step-by-step explanation:

(x-h)^2 + (y-k)^2 = r^2 where (h,k) is the centre of circle and r is the radius of circle. hence the standard form of equation can be obtained by expanding

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7 0
3 years ago
Find the area of a circular pond having radius<br>Ans: 616 m<br>14 m.​
krek1111 [17]

Step-by-step explanation:

Area of circular pond=22/7×14×14

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>2</em><em>2</em><em>/</em><em>7</em><em>×</em><em>1</em><em>9</em><em>6</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>6</em><em>1</em><em>6</em><em>m</em>

3 0
3 years ago
An equilateral triangle has a perimeter of 8x+6. What is the length of each side of the triangle?
Zinaida [17]
Equilateral triangle has all equal sides

let y be 1 side
imply 3y=perimeter
Given perimeter=8x+6
So y=1perimeter/3=(8x+6)/3=(8x/3)+2
8 0
4 years ago
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