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pychu [463]
3 years ago
8

How do I solve this and check all the solutions?

Mathematics
2 answers:
Oksana_A [137]3 years ago
8 0

Answer:

sir answer is x=6

Step-by-step explanation:

I hope this 9s ok

kolezko [41]3 years ago
3 0

\LARGE{ \underline{ \tt{Required \: answer:}}}

Given Eq:

  • √x + 3 = x - 3

Solving this:

Squaring both sides,

➝ x + 3 = (x - 3)²

➝ x + 3 = x² - 6x + 9

Now shifting RHS to LHS,

➝ x + 3 - x² + 6x - 9 = 0

➝ -x² + 7x - 6 = 0

➝ x² - 7x + 6 = 0

Now finding the values of x by middle term factorisation,

➝ x² - 6x - x + 6 = 0

➝ x(x - 6) - 1(x - 6) = 0

➝ (x - 1)(x - 6) = 0

➝ x = 1 or 6.

But here, you can see, x = 1 is not a solution to the original equation because when we say about square roots, value can't be negative.

Hence,

  • As a result, the only valid solution to the original equation is x = 6.

⛱️ \large{ \blue{ \bf{FadedElla}}}

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I added a picture of the question.
tekilochka [14]

Answer:

C) 2*18, 3*12, 4*9, 6*6

Step-by-step explanation:

When these number sets are multiplied, all of them equal 36, therefore C is your answer.

Hope this helped! :)

7 0
3 years ago
Help ‍♂️‍♂️‍♂️‍♂️‍♂️‍♂️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♀️‍♂️‍♂️‍♀️‍♀️‍♀️‍♂️‍♂️‍♂️‍♂️‍♂️
Sati [7]

Answer:

Step-by-step explanation:

then 380 and then add them

418

7 0
3 years ago
Read 2 more answers
Can anyone help with this?
slava [35]

Exterior angle c = the sun of the two opposite interior angles a and b.

10x -23 = 5x -17 + 7x -26

Combine the right side:

10x -23 = 12x -43

Add 43 to both sides:

10x +20 = 12x

Subtract 10x from both sides:

20 = 2x

Divide both sides by 2

X = 10

Now you have x replace it in the equation for A:

A = 5x -27 = 5(10) -27 = 50-27 = 23

Angle A = 23 degrees.

7 0
3 years ago
Read 2 more answers
How? Do you do this??
Gre4nikov [31]
X=5/2,x=2  
i cant explain it but if you got to symbolab.com and input the equation it will solve and show you the steps
5 0
3 years ago
Read 2 more answers
Dina planted a six-foot tree in her backyard which she expects to grow at the rate of 4 feet per year. Find the equation of the
Scrat [10]

Answer:

y = 6 + 4x

After 4 years, the tree would be 22 ft tall.

Step-by-step explanation:

Hi there!

Let x = the number of years that pass

Let y = the height of the tree (ft)

We're given that the 6-foot tree grows at a rate of 4 ft per year. This means that the height of the tree will be equal to 6 ft, the original height, plus another 4 ft every year that passes.

Height of tree = 6 feet + 4 feet × number of years that pass

y = 6 + 4x

To solve for how tall the tree would be 4 years after Dina plants it, replace x with 4, since 4 years have passed:

y = 6 + 4(4)

y = 6 + 16

y = 22

Therefore, the tree would be 22 ft tall.

I hope this helps!

8 0
3 years ago
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