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3 years ago

Which of the following is the correct equation for the distance formula for the points (x1, y1) and (x2,y2)?

Mathematics

1 answer:

svp [43]3 years ago

4 0

Answer:

A. D=sqrt( (x2-x1)^2+(y2-y1)^2 )

Step-by-step explanation:

The distance between two points is the root of the sum of the squares of the differences in their corresponding coordinates. The equation of choice A is the usual formulation.

Comment on answer choices

Because the square of a number is the same as the square of its opposite, the formula in choice D is also correct.

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In Crestview Middle School, 12 out of 16 students are right handed. If there are 400 students in the school, how many are right

DerKrebs [107]

Answer:

the answer is 300

Step-by-step explanation

there are 16 people so we divide that by the total number of students

400 divided by 16 = 25

since there are 12 right handed in each group we multpily it by 12

25 x 12 = 300

and theres your answer!

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

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3 years ago

Please solve, -7x+8=-4(x+1)

omeli [17]

Answer: $x=4$

Simplify both sides of the equation.

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$-7x+8+4x=-4x-4+4x\\-3x+8=-4$

Subtract 8 from both sides

$-3x+8-8=-4-8\\-3x=-12$

Divide both sides by -3

$-3x/-3=-12/-3\\x=4$

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3 years ago

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