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vazorg [7]
3 years ago
10

A student concluded that the solution to the

Mathematics
1 answer:
meriva3 years ago
5 0

Answer:

Step-by-step explanation:

The given equation is √2x+1+3=0

And we have been given that x= 4

I do not agree with the solution because it does not give any real solution. It only gives possible solution. If you plug the value 4 in the original equation you will get 8 and the square root of 8 is a complex number.  Thus 4 is an extraneous solution....

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It is 8 <br> kilometers from Lucy's house to the nearest mailbox. How far is it in meters?
allochka39001 [22]

Answer:

8000

Step-by-step explanation:

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3 0
3 years ago
Write the equation of the line that passes through the points (8,-1) and (2,-5) in standard form, given that the point-slope for
Bess [88]

The equation of the line that passes through the points (8,-1) and (2,-5) is 2x - 3y = 19.

The given coordinate are (8, -1) and (2, -5).

<h3>What is the slope of an equation?</h3>

In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line.

The slope of the equation is m=\frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

The standard form of an equation is Ax + By = C.

The given the point-slope form is y+1=\frac{2}{3} (x-8).

Multiply each term by 3 of the equation.

(y+1) \times3=\frac{2}{3} (x-8) \times3

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Subtract 2x from both sides of a equation.

That is, -2x + 3y + 3 = - 16

Subtract 3 from both sides of a equation.

That is, -2x + 3y = - 19

Multiply each term by - 1 from both sides of an equation.

That is, 2x - 3y = 19

Therefore, the equation of the line that passes through the points (8,-1) and (2,-5) is 2x - 3y = 19.

To learn more about the slope visit:

brainly.com/question/3605446.

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4 0
2 years ago
What is the word form of the decimal number 8.00707
r-ruslan [8.4K]
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3 years ago
Systematic Sampling Technique is used to select 5 numbers between 1 and 200. The first selected number is 12. What should be nex
inna [77]

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5 0
3 years ago
__________ multiplied 20 = 360<br> full explanation answer required
Setler79 [48]
18 x 20 = 360
360 / 20 = 18
So 18 is the answer
6 0
3 years ago
Read 2 more answers
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