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2 years ago

Solve each equation by completing the square : NEED THIS IN 10 MINS WILL GUVE BRAINLIEST

Mathematics

1 answer:

ololo11 [35]2 years ago

8 0

Can barely see the questions ! Retake a picture if you can.

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10.5125 rounded to the nearest cent plz help me ty <3

Phoenix [80]

Answer: your answer should be 10.5130

Step-by-step explanation:

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2 years ago

Which of the following is an extraneous solution of the square root of -3x-2=x+2

yarga [219]

Answer:

x=-6 is an extraneous solution

Step-by-step explanation:

we have

$\sqrt{-3x-2} =x+2$

squared both sides

$-3x-2=(x+2)^2$

$-3x-2=x^2+4x+4$

$x^2+7x+6=0$

solve the quadratic equation by graphing

The solution is x=-6 and x=-1

see the attached figure

Verify each solution

substitute the value of x in the original expression

For x=-6

$\sqrt{-3(-6)-2} =-6+2$

$\sqrt{16} =-4$

$4=-4$ ----> is not true

Is an extraneous solution

For x=-1

$\sqrt{-3(-1)-2} =-1+2$

$\sqrt{1} =1$

$1=1$ ----> is true

Is the solution

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3 years ago

What value is equivalent to

kotykmax [81]

Answer:

Step-by-step explanation:

2^3 equals 8, and 3^4 equals 81. 81 times 8 equals 648.

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2 years ago

Read 2 more answers

Plz help I have been struggling on this one

tamaranim1 [39]

the first answer is 93000000 and the second answer is 240000

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2 years ago

Naddika [18.5K]

It would take 630 seconds to boil the water.

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2 years ago