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Olin [163]
3 years ago
6

PLS HELP!!!The mayor wants to know if her city's residents will support a tax increase to build a new library.

Mathematics
1 answer:
Sati [7]3 years ago
3 0

The answer is D. Ask every 20th person listed as a resident of the city

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Hurry if correct I will give brainly ​
kow [346]

Answer:

D

Step-by-step explanation:

A=20*20

6 0
3 years ago
What is the value of if the remainder of is 2?
Vlad1618 [11]

Answer:

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8 0
3 years ago
​% of U.S. adults think that political correctness is a problem in America today. You randomly select six U.S. adults and ask th
IgorC [24]

Answer:

Explanation has been given below

Step-by-step explanation:

hope fully it may concern with 70% adults then

p = 0.77

randomly select = 6

then mean will be

mean = n * p = 6*0.77=4.62

To get variance np (1-p)

then putting values we get

np (1-p) = 4.62 *0.23 = 1.0626

taking square root we get

\sqrt{1.0626}

sd = 1.03

Most samples of 6 adults would differ from the mean by no more than 1 sd

mean is differ by no more than 2 sds .

In a real-life situation, it is expected that 4 or 5 of 6 to think it is a problem.

I would not expect 0, 1, or 2.

3 0
4 years ago
Rosa wants to use $20 to buy games. The
kompoz [17]

Answer:

The answer is B : 6

Step-by-step explanation:

2.50k means 2.50 multiplied by a number and the inequality means 20 is less than 2.50k + 5.50.    2.50 multiplied by 6 equals 15 and 15 plus 5.50 is 20.50 which is greater than 20.

6 0
3 years ago
Find b and then solve the equation:(b−5)x2−(b−2)x+b=0, if one of its roots is0.5
grigory [225]

Answer:

b = ⅓

x = ½, -1/7

Step-by-step explanation:

(b−5)x² − (b−2)x + b = 0

(b - 5)(0.5)² - (b - 2)(0.5) + b = 0

0.25b - 1.25 - 0.5b + 1 + b = 0

0.75b = 0.25

b = ⅓

(⅓−5)x² − (⅓−2)x + ⅓ = 0

(-14/3)x² + (5/3)x + 1/3 = 0

14x² - 5x - 1 = 0

14x² - 7x + 2x - 1 = 0

7x(2x - 1) + (2x - 1) = 0

(7x + 1)(2x - 1) = 0

x = 0.5, -1/7

4 0
4 years ago
Read 2 more answers
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