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3 years ago

Is the following definition of perpendicular reversible? If yes, write it as a true biconditional.

2 answers:

ivann1987 [24]3 years ago

6 0

A biconditional statement is a statement in which it is inherently true but when the clauses are exchanged, the statement would still be regarded as true. In this case, the statement is biconditional. The answer that would make sense here would be C. Yes; if two lines are perpendicular, then they intersect at right angles.

Elza [17]3 years ago

5 0

The correct answer is:

Yes; two lines intersect at right angles if (and only if) they are perpendicular.

Explanation:

If two lines intersect at right angles, they are by definition perpendicular.

If two lines are perpendicular, they, by definition intersect at right angles.

This means that two lines are perpendicular if and only if they intersect at right angles.

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4 years ago

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3 years ago

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Marcus is making homemade barbecue sauce. The recipe calls for 3 cups of ketchup for every 1/2 cup of mustard. What is the rate

Yuki888 [10]

Answer: 6 cups of ketchup per cup of mustard

Step-by-step explanation:

Given : The recipe calls for 3 cups of ketchup for every $\dfrac12$ cup of mustard.

That means , for $\dfrac12$ cup of mustard. we need 3 cups of ketchup.

By using proportions, if we multiply 2 on both sides ,we get

for $\dfrac12\times 2$ cup of mustard. we need $3\times 2$ cups of ketchup.

⇒ for $1$ cup of mustard. we need $6$ cups of ketchup.

Hence, the required rate = 6 cups of ketchup per cup of mustard

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4 years ago

What is the slope of a line whose equation is y = -5

Llana [10]

Answer:

slope = 0

Step-by-step explanation:

All horizontal lines are represented by the equation y = a number, with that number representing the y-value of all the points that are on the line. All horizontal lines also have a slope of 0.

Since the equation y = -5 follows that formula of y = a number, the line is horizontal, and must have a slope of 0.

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3 years ago