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erik [133]
4 years ago
13

34​% of U.S. adults have very little confidence in newspapers. You randomly select eight U.S. adults. Find the probability that

the number of U.S. adults who have very little confidence in newspapers is ​ (a) exactly​ six, (b) at least​ four, and​ (c) less than five.
Mathematics
1 answer:
Serga [27]4 years ago
8 0
I’d think it would be atleast four
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3. A theater has 60 seats in the first row, 68 seats in the second row. 76 seats in the
Airida [17]

Answer:

Step-by-step explanation:

arithmetic sequence: 60,68,76,......

a = 60

d = 68 - 60 = 8

an = a + (n-1)*d

a20 = 60 + 19 * 8

      = 60 + 152

     = 112

There are 112 seats in the 20th row

4 0
3 years ago
Solve for x (30+x)+30+9x=360
UkoKoshka [18]

Answer:

x=30

Step-by-step explanation:

(30+x)+30+9x=360

We move all terms to the left:

(30+x)+30+9x-(360)=0

We add all the numbers together, and all the variables

(x+30)+9x+30-360=0

We add all the numbers together, and all the variables

9x+(x+30)-330=0

We get rid of parentheses

9x+x+30-330=0

We add all the numbers together, and all the variables

10x-300=0

We move all terms containing x to the left, all other terms to the right

10x=300

x=300/10

x=30

   

7 0
4 years ago
One-third of the difference of a number and nine is negative fifteen. What is the number?​
Tems11 [23]

hi <3

lets call the unknown number 'x' for now and form an equation from what we know

1/3(x-9) = 15

now multiply both sides by 3

x - 9 = 45

add 9 to both sides

x = 54

hope this helps :)

3 0
3 years ago
Read 2 more answers
Find the surface area of the sphere in terms of π.
Sergeeva-Olga [200]

Answer:

225 π cm2

Step-by-step explanation:

Just took the quiz and this was the right answer!!

7 0
3 years ago
Rectangle area 6x^2 and 12x^3
Vitek1552 [10]

Answer:62208x

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3 0
3 years ago
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