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juin [17]
3 years ago
12

In a survey of 200 employees, 65% agreed that the management of the cafeteria should be changed. If the confidence interval is 9

5%, the margin of error for this survey is +/- 6.75% and the maximum number of employees who could have agreed is about?
a. 144 b. 140 c. 136
Mathematics
1 answer:
Kruka [31]3 years ago
7 0

Answer:

c.136

Step-by-step explanation:

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I Need Assistance With This:
Tamiku [17]

Answer:

22.5 in^2

Step-by-step explanation:

h = 3 in

base 1 = 6 in

base 2 = 9 in

So plug in

A = 1/2 (3) (6 + 9)

A = 3/2 (15)

A = 22.5 in^2

5 0
3 years ago
A rectangle has a side length of 4 inches and an area of 18 square inches and a larger similar triangle has a corresponding side
evablogger [386]
I have to assume that you mean it is a similar rectangle, since a triangle can not be similar to a rectangle. In that case the original measurements are 4x4.5.

By doubling them, you get a rectangle with the measurements of 8x9 and thus the area is 72
7 0
3 years ago
joe is playing a game with a regular die. If the number that turns up is even he will gain 5 times the number that comes up. If
vladimir1956 [14]

Answer:

he lost 30 points.

since he rolled an odd number, he will lose 10 times the number he rolled. he rolled 3, which means he lost 30 points. you get that by multiplying 3 and 10.

5 0
3 years ago
A total of 722 tickets were sold for the school play. they were either adult tickets or student tickets. there were 72 more stud
ololo11 [35]
S + a = 722
s = 72 + a

(72 + a) + a = 722
2a + 72 = 722
2a = 722 - 72
2a = 650
a = 650/2
a = 325 <== adults

s = 72 + a
s = 72 + 325
s = 397 <== students

5 0
3 years ago
I need major help. I have a lot of missing work and really need help with algebra 1. (solving linear equations)
igor_vitrenko [27]
A= 5 + 2 = 7
You get this by doing the inverse operation so minus 2 by 2 and 7 then you get your answer so it should look like this
X+2= 7
-2. -2
———
X= 5

B: 15-4=11
+4. +4
————-
X= 15

C: 4(3) = 12

D: 50/5 = 10

Btw this should be easy, try doing it on to your own now.
6 0
3 years ago
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