If p and q are non-zero rational numbers, and s and t are irrational numbers, select all of the statements that are always false.answer choices are
The product pq is irrational.


The product pt is irrational.


The quotient pq is irrational.


The product st is irrational.


The quotient st is rational.

Answers

Answer 1
Answer:

The false statements are:

The product pq is irrational.

The quotient pq is irrational.

The quotient st is rational.

A rational number is a number can be expressed as a fraction of two whole numbers. While, an irrational number is a number that cannot be expressed as the fraction of two whole numbers.

Examples of rational numbers are: 6, 2,3

Examples of irrational numbers are: √2, √3

Let p and q be represented with 2 and 6 respectively.

The product of 2 and 3 = 2 x 6 = . The number is a rational number

Let p and t be represented with 2 and √2 respectively.

The product of 2 and √2 = 2 x√2 = 2√2. The product is irrational

The quotient of pq = 6 /2 = 3.

The quotient is rational.

Let s and t be represented with √2, √3. The product is √2 x √3 = √6. The product is irrational.

The quotient of s and t = √2 /√3.

The number is irrational.

To learn more about rational numbers, please check: brainly.com/question/15815501?referrer=searchResults

Answer 2
Answer:

Answer:

The false choices are A, C, and E

Step-by-step explanation:

Let's make an example:

p=1

q=2

s=sqrt(3)

t=sqrt(6)

Since pq=1*2=2, the answer is rational and A is false.

Since pt=1*sqrt(6)=sqrt(6), the answer is irrational and B is true.

Since p/q=1/2=0.5, the answer is rational and C is false.

Since st=sqrt(3)*sqrt(6)=sqrt(18), the answer is irrational and D is true.

Since s/t=sqrt(3)/sqrt(6)=sqrt(1/2), the answer is irrational and E is false.


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Answers

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Answers

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Calculati aria unui patrat care are perimetrul de 7,2 cm

Answers

A=l^2=\left((P)/(4)\right)^2=\left((7,2)/(4)\right)^2=1,8^2=3.24\;cm^2.

Green eyes.

I wrote 5 different numbers on five cards. The sum of the numbers is 15. What numbers did I put on the cards?

Answers

If they all have to be positive whole numbers, then the only
way you could do it is  1,  2,  3,  4,  and  5 .
(They could be in any order.)

If they don't all have to be positive, or they don't all have to be
whole numbers, then there are an infinite number of ways to do it.

2 ,  4 ,  6 ,  8 ,  and  negative 5

0.2 ,  0.8 ,  1.0 ,  1.4 ,  and 1.6

etc.

An elevator moving down passes its neighbor, an elevator moving up. Their speed relative to one another is 8 m/s. What is the velocity of each elevator relative to someone standing on the first floor? Assume that the elevators are traveling at the same speed, and that the upward direction is positive.

Answers

If they appear to be travelling at 8 m/s as viewed by one of them, then someone on ground floor sees what is actually happening. One is going up at 4 m/s and the other is going down at 4 m/s.

The direction matters. The answer is C.

LiftA= u m/s ( upwards)
LiftB= -u m/s(downward)

Velocity A relative to B= V lift A- V lift B=8m/s
u-(-u)=8
u=4m/s
Lift A= 4 m/sec
Lift B= -4m/sec
For someone standing on first floor will be stationary W.r.t to the lift.
V lift A relative to Man= V liftA - V man= 4m/s

V lift B relative to Man= V lift B- V Man= -4 m/s

Kayden is a stunt driver. One time, during a gig where she escaped from a building about to explode(!), she drove at a constant speed to get to the safe zone that was 160 meters away. After 3 seconds of driving, she was 85 meters away from the safe zone. Let D represent the distance (in meters) from the safe zone after t seconds. Complete the equation for the relationship between the distance and number of seconds.

Answers

d=160-25t

Step-by-step explanation:

Let d be the distance between Kayden and safe zone at any time.

It is given that initially d=160

Lrt her speed be v

Since the speed is constant,the distance covered by her in t seconds=v* t

So,the distance between her and safe zone after t seconds is 160-vt

It is given that after 3 seconds,d=85

So,160-3v=85

3v=75

v=25

So,d=160-3t

Answer:

y=-25x+160

Step-by-step explanation: