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Lisa [10]
3 years ago
11

Which of the following is true?

Mathematics
1 answer:
kow [346]3 years ago
3 0

Answer:

C.

Step-by-step explanation:

A - Perpendicular lines always touch each other at least once.

B - Parallel lines never touch.

D- Not always true.

C is true. If they are not in the same plane they are skewed lines.

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True or False: An exponential decay function represents a quantity that has a constant doubling time.
Svetllana [295]
I believe the answer is true.
4 0
3 years ago
Read 2 more answers
Monk crossbred​ plants, which can have purple or white​ flowers, and obtained 639 plants with white flowers and 280 plants with
ira [324]

Answer:

The emperical probability of being a plant with white flower is

\dfrac{639}{919}\approx 0.695

The emperical probability of being a plant with purple flower is

\dfrac{280}{919}\approx 0.305

Step-by-step explanation:

There are

  • 639 plants with white flowers
  • 280 plants with purple flowers
  • 919 plants in total.

The <u>empirical probability</u> of an event is the ratio of the number of outcomes in which a specified event occurs to the total number of trials, not in a theoretical sample space but in an actual experiment.

The emperical probability of being a plant with white flower is

\dfrac{639}{919}\approx 0.695

The emperical probability of being a plant with purple flower is

\dfrac{280}{919}\approx 0.305

6 0
3 years ago
Find the area of the circle with a circumstance of 6.28 units
Aleksandr [31]

Answer:

3.14 <em>i think</em>

Step-by-step explanation:

formula (with already known circumfrence)

6.28 squared divided by 4 times pi

6.28 x 6.28 =  39.4384

3.14 x 4= 12.56

39.4384/ 12.56= 3.14



7 0
3 years ago
The NUK Energy Company is designing a new logo, as shown in the accompanying
inna [77]

The measure of the angle KNU (∠KNU) of the cyclic quadrilateral is; Option 3: 50°

<h3>How to find the angle in a quadrilateral?</h3>

From the attached cyclic quadrilateral of NUK Energy Company's new logo, we can say that equal angles intercept equal arcs and as such, the measure of angle KNU will be;

∠KNU 1/2 * 100 = 50°

This is because If two inscribed angles of a circle intercept the same arc or arcs of equal measure, then the inscribed angles have equal measure.

Read more about quadrilateral angles at; brainly.com/question/27420229

#SPJ1

8 0
2 years ago
What is the x-coordinate of the solution for the system of equations? {y−x=910+2x=−2y Enter your answer in the box. x =
Ivahew [28]

Answer:

-7

Step-by-step explanation:

y−x=9 ⇒ y=x+9

10+2x=−2y

5+x= -y  ====== replacing y with x+9

5+x= -x-9

2x= -14

x= -7

4 0
3 years ago
Read 2 more answers
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