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irakobra [83]
3 years ago
14

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

Mathematics
2 answers:
k0ka [10]3 years ago
7 0

Answer:

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

Step-by-step explanation:

In a biconditional statement, both parts have to be true. In this case, if the two lines intersect at a right angle then they are perpendicular, and if they are perpendicular then they intersect at a right angle

artcher [175]3 years ago
6 0

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

Two lines that intersect at right angles are perpendicular.

<span>A. The statement is not reversible.   </span>

<span>B. Yes; if two lines intersect at right angles, then they are perpendicular.   </span>

<span>C. Yes; if two lines are perpendicular, then they intersect at right angles.   </span>

<span>D. Yes; two lines intersect at right angles if (and only if) they are perpendicular.</span>



Your Answer would be (D)

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


</span><span>REF:    2-3 Biconditionals and Definitions</span>
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7 0
4 years ago
If an experimenter sets equal to .01, then she is defining a "statistically rare" event as an event occurring more than one time
Fynjy0 [20]

Answer:

The correct answer is an event occurring one or fewer times in 100 times if the null hypothesis is true.

Step-by-step explanation:

For a statistically rare event, its probability is relatively small and the event is very unlikely to occur.  Therefore, if an experimental sets equal to 0.01 which is statistically rare, then we can interpret this mathematically as:

p(event) = 0.01 = 1/100

where p(event) is the probability of the event.

In addition, statistically, null hypothesis signifies no major difference between the specified parameters, and any obvious difference that might occur as a result of experimental error. Thus, it can be concluded that the event is occurring one or fewer times in 100 times if the null hypothesis is true.

3 0
4 years ago
Which of the following numbers is not a perfect square?<br><br> 24<br> 25<br> 64<br> 100
stich3 [128]
Hi! 

A perfect square is the product of when a whole number is multiplied by itself

Ex:

6 × 6 = 36, 36 is the perfect square. 

The number that is being multiplied is the square root. 

So to find the correct answer for this question, let's use the process of elimination. 

100 = 10 × 10 so we can cross out 100

64 = 8 × 8 so we can cross out 64

25 = 5 × 5 so we can cross out 25

Now all we have left is 24, which is not a perfect square. 

Answer: A. 24

Hope this helps :)
8 0
3 years ago
Read 2 more answers
Please help i have an F right now
AnnZ [28]

Answer:

4

Step-by-step explanation:

If you add up all of those, you get 24. Then you divide by 6. 24/6 = 4.

7 0
3 years ago
The area of the square is 100 square centimeters. What is the area of the circle?
swat32

Answer:

  • Since the question is incomplete, see the figure attached and the explanation below.

Explanation:

Since the figure is missing, I enclose the figure of a square inscribed in a circle.

Since the <em>area of a square</em> is the side length squared, you can determine the side length:

  • Area = (side length)²
  • 100 cm² = (side lenght)²

        side\text{ }length=\sqrt{100cm^2}=10cm

From the side length, you can find the diagonal of the square, which is equal to the diameter of the circle, using the Pythagorean theorem:

  • diagonal² = (10cm)² + (10cm)² = 2 × (10cm)²

         diagonal=\sqrt{2\times (10cm)^2}\\ \\ diagonal=10\sqrt{2} cm

The area of the circle is π (radius)².

  • radius = diameter/2 = diagonal/2

        area= \pi \times (5\sqrt{2}cm)^2=50\pi cm^2

6 0
3 years ago
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