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JulijaS [17]
3 years ago
11

Among 31​- to 36​-year-olds, 28​% say they have written an editorial letter while under the influence of alcohol. Suppose six 31

​- to 36​-year-olds are selected at random. What is the probability that none of the six have written an editorial letter while under the influence of alcohol​?
Mathematics
1 answer:
Viefleur [7K]3 years ago
6 0
Ok so I think I don’t know but I’m gonna guess ccccccccc
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A total of 937 people attend the play. Admission was $2.00 for adults and $0.75 for students. The totral ticket sales amounted t
a_sh-v [17]

Answer:

x = students

y = adults

Linear Systems of Equations :

x + y = 937

0.75x + 2y = 1,109

Step-by-step explanation:

Step 1 : eliminate one of the variables

x + y = 937

0.75x + 2y = 1,109

-2(x + y = 937) = -2x - 2y = -1874

-2x - 2y = -1874

0.75x + 2y = 1109

We can eliminate y since -2y + 2y = 0

Step 2: Find x number of students.

-2x = -1874

+0.75x = 1109

____________

-1.25x = -765

____________ = 612 students attended

     -1.25

937 - 612 = 325 adults

Check Answer :

612 x 0.75 = $459

325 x 2 = $650

$650 + $459 = $1,109

Therefore, there will be 612 students attending and 325 adults.

6 0
2 years ago
Write the product of 5/9 and 25 as a mixed number
nataly862011 [7]

Answer:

13 8/9

Step-by-step explanation:

25*(5/9) is equal to (25*5)/9

25*5 = 125 and 9 goes into 125 13 times with a remainder of 8

The solution would be:

13 8/9

4 0
2 years ago
Read 2 more answers
Ax+b=3(x-a) solve for x
bezimeni [28]
Ax + b = 3x -3a
Ax- 3x = -(3a+b)
x(A-3) = - (3a+b)
x = - (3a+b) / (A-3)

5 0
2 years ago
Read 2 more answers
A right triangle has one side that measures 4 in. The angle opposite that side measures 80o.
finlep [7]

Answer:

sin angle = opp/ hyp

sin 80o = 4 in/ hyp

hyp = 4 in/ sin 80o

solve to get hypotenuse

3 0
3 years ago
Read 2 more answers
A bag contains green marbles and blue marbles,
dexar [7]

There are 13 green marbles in the bag.

Step-by-step explanation:

Total marbles = 18

Let,

Green marbles = x

Blue marbles = y

According to given statement;

The number of green marbles is 2 less  than 3 times the number of blue marbles.

x = 3y-2    Eqn 1

x+y=18      Eqn 2

Putting value of x from Eqn 1 in Eqn 2;

(3y-2)+y=18\\3y-2+y=18\\4y=18+2\\4y=20

Dividing both sides by 4

\frac{4y}{4}=\frac{20}{4}\\y=5

Putting y=5 in Eqn 1

x=3(5)-2\\x=15-2\\x=13

There are 13 green marbles in the bag.

Keywords: linear equation, substitution method

Learn more about linear equations at:

  • brainly.com/question/8054589
  • brainly.com/question/7932185

#LearnwithBrainly

8 0
3 years ago
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