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3 years ago

√3x+1=x+1 how to do you solve this equation using step by step

Mathematics

1 answer:

11111nata11111 [884]3 years ago

6 0

Answer:

The solutions are x=0 and x=1

Step-by-step explanation:

Assuming your equation is

$\sqrt{3x + 1} = x + 1$

Square both sides to get:

$3x + 1 = ( {x + 1)}^{2}$

Expand the RHS,

$3x + 1 = {x}^{2} + 2x + 1$

Rewrite in standard quadratic form:

${x}^{2} + 2x - 3x + 1 - 1 = 0$

${x}^{2} - x = 0$

$x(x - 1) = 0$

x=0 or x=1

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If f(x)= 3x + 4, then what is f(-2)

iren [92.7K]

Answer:

f ( - 2 ) = - 2

Step-by-step explanation:

Step 1:

f ( x ) = 3x + 4 Equation

Step 2:

f ( - 2 ) = 3 ( - 2 ) + 4 Input x value

Step 3:

f ( - 2 ) = - 6 + 4 Combine Like Terms

Answer:

f ( - 2 ) = - 2 Combine Like Terms

Hope This Helps :)

6 0

3 years ago

I'm being Timed please hurry.

koban [17]

Answer:

D. 45 degree counterclockwise rotation

Step-by-step explanation: :

The original image is triangle TUV and it has been rotated counter clockwise to form triangle T'U'V' using the origin as the center of rotation. . The rotation is 45 degrees rotation.

Hence, option B is correct.

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3 years ago

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Firlakuza [10]

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6 0

3 years ago

PLEASE HELP ASAP!!!

EleoNora [17]

<span>Part 1:

$(x+1)^2-3(x+2) \\ \\ =x^2+2x+1-3x-6 \\ \\ =x^2-x-5$

option b.

Part 2:
$(5x^3y^{-3})(-6x^4y)\\ \\=5(-6)x^{3+4}y^{-3+1}\\ \\=-30x^7y^{-2}\\ \\=\frac{-30x^7}{y^2}$

option d

Part 3:
$\frac{8+x}{2} - \frac{x+3}{3} =4$

Multiply through by the LCM of 2 and 3 (i.e. 6)
$6\left(\frac{8+x}{2}\right) - 6\left(\frac{x+3}{3}\right) =6(4) \\ \\ 3(8+x)-2(x+3)=24 \\ \\ 24+3x-2x-6=24 \\ \\ x+18=24 \\ \\ x=24-18=6$

option b

Part 4
x^2-3x-8=x+4

$x^2-3x-8=x+4 \\ \\ x^2-3x-x-8-4=0 \\ \\ x^2-4x-12=0 \\ \\ (x-6)(x+2)=0 \\ \\ x=6 \ or \ -2$

option d

Part 5
Joseph is solving the equation x^2+8x-4=0 using the technique completing the square.
x^2+8x-4=0
x^2+8x+?=4+?

In completeing the square method, you divide the coeficient of x by 2, square the result and add to both sides of the equation.

Therefore, he should add 16 to both sides because (8/2)^2=16.

option d.
</span>

5 0

3 years ago

Pls help me fact than you

hram777 [196]

Answer:

6/7.

Step-by-step explanation:

The sum of the 2 numbers is greater than 5 in 6 out of 7 throws.

So the required experimental probability is 6/7.

8 0

3 years ago

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