3 years ago

These are the answer and the page it will help you solving it.

Mathematics

1 answer:

goldenfox [79]3 years ago

6 0

You x all the sides together and add the 2 numbers you get

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Find the percentage profit in each case cost price 20 selling price 25

zepelin [54]

Step-by-step explanation:

please mark me as brainlest

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2 years ago

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what causes a solution to a rational equation to be an extraneous solution? when there is more than one solution, one of the sol

Vikki [24]

when there is more than one solution, one of the solutions is extraneous.

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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

4 0

3 years ago

Uh yeah so this again lol

Andrej [43]

Answer:

follow the insructions from the answer before

Step-by-step explanation:

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What are the next terms in the sequence 19, 36, 53,70

Nostrana [21]

It is adding 17 to each term...so 19+17=36, then 36+17=53, then 53+17= 70 so you keep adding 17 based on this pattern

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3 years ago