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Sedaia [141]
3 years ago
9

Determine which of the following numbers could not be​ probabilities, and​ why? Select all that apply. A. The number 110​% could

not be a probability because it is larger than​ 100%. B. The number 5.42 could not be a probability because it is larger than 1. C. The number 0.001 could not be a probability because it is extremely small. D. The number 0.58 could not be a probability because it is smaller than 1. E. The number negative 120​% could not be a probability because it is negative.
Mathematics
1 answer:
Gnoma [55]3 years ago
3 0

Answer:

A, B and E could not be probabilities

Step-by-step explanation:

By definition, <u>a probability could be any number between 0 and 1. </u>So a probability P would be 0≤P≤1. In percentages, 0% ≤ P ≤ 100%

Considering this we would have that:

A) 110% could not be a probability because it's larger than 100%

B) 5.42 could not be a probability because it's larger than 1.

C) 0.001 could be a probability because it's larger than 0 and smaller than 1 (It doesn't matter how small it is)

D) 0.58 could be a probability because it's between 0 and 1.

E) -120% could not be a probability because it's smaller than zero. (it's a negative number)

Thus, A), B) and E) could not be probabilities.

You might be interested in
Which property states that for all real numbers, x, y and z, if x = y and y = z, then x = z ?
Leto [7]

Answer:

The transitive property of equality

Step-by-step explanation:

The transitive property states if a=b and b=c then a=c. If two things are equal and one of those two things is equal to another thing, then they all must be equal.


4 0
3 years ago
A chemist has three different acid solutions. The first acid solution contains 25 % acid, the second contains 45 % and the third
liq [111]

Answer:

Wyzant

ALGEBRA WORD PROBLEM

Dorian S. asked • 06/28/17

THREE LINEAR EQUATIONS WITH THREE VARIABLES

A chemist has three different acid solutions. The first acid solution contains 15% acid, the second contains 25%,

and the third contains 70%. He wants to use all three solutions to obtain a mixture of 40 liters containing 45%

acid, using 2 times as much of the 70% solution as the 25% solution. How many liters of each solution should be used?

How to set up as three linear equations to find the answer?

Follow2

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1 Expert Answer

By:

Best

Arthur D. answered • 06/28/17

TUTOR 4.9 (67)

Forty Year Educator: Classroom, Summer School, Substitute, Tutor

ABOUT THIS TUTOR ›

set up 2 equations

the first equation...

15%*x+25%*y+70%*2y=45%*40

0.15x+0.25y+1.4y=0.45*40

0.15x+1.65y=18

multiply all terms by 100

15x+165y=1800

divide all terms by 15

x+11y=120

the second equation...

x+y+2y=40

x+3y=40

x=40-3y

substitute into the first equation x+11y=120

40-3y+11y=120

40+8y=120

8y=120-40

8y=80

y=80/8

y=10 liters

x+3*10=40

x+30=40

x=40-30

x=10 liters

10 liters of 15%, 10 liters of 25%, and 20 liters of 70%

check:

10*15%=1.5

10*25%=2.5

20*70%=14

1.5+2.5+14=18

18/40=9/20=45/100=45%

45%*40=18

hope it helps

please mark brainliest

8 0
3 years ago
How do you translate the graph of f(x) = x3 left 4 units and down 2 units? Identify the equation of the graph
Marina CMI [18]

Answer:

The correct option is B.

Step-by-step explanation:

The given function is

f(x)=x^3

The translation of a function is defined as

g(x)=f(x+a)+b

If a>0, then the graph of f(x) shift a units left and if a<0, then the graph of f(x) shift a units right.

If b>0, then the graph of f(x) shift b units up and if b<0, then the graph of f(x) shift b units down.

It is given that the graph of f(x) shifts 4 units left and 2 units down.  So, a=4 and b=-2.

g(x)=f(x+4)+(-2)

g(x)=(x+4)^3-2              [\because f(x)=x^3]

y=(x+4)^3-2

Therefore option B is correct.

8 0
3 years ago
Read 2 more answers
Plz answer thanks asap need it really bad
Kisachek [45]
I believe its C

Hoped I help :)

And have a nice day/weekend :)
 <span />
3 0
4 years ago
Read 2 more answers
Abigail was skateboarding home when the wheel axle of her skateboard broke. She had already traveled two thirds of the way home
OverLord2011 [107]

Answer:

I think that her taking the skateboard is 4 times as fast as her walking.

Step-by-step explanation:

I got this because she traveled twice as long and twice as fast on the skateboard, so if you multiply it together, there u have it.

4 0
4 years ago
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