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lbvjy [14]
3 years ago
7

The margin of error ________ (increases or decreases) with an increased sample size and ________ (increases or decreases) with a

n increase in confidence level.
Mathematics
1 answer:
rusak2 [61]3 years ago
5 0
The margin of error decreases with an increased sample size and increases with an increase in confidence level.
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A car is driving at 65 kilometers per hour. How far, in meters, does it travel in 5 seconds?
garri49 [273]

Answer:

90 m

Step-by-step explanation:

65 km = 65000m

1 hour = 3600 secs

speed in meters = 65000/3600

= 18 m / sec

Distance traveled in 5 secs = 18*5

= 90 m

5 0
3 years ago
Slope of (7,2) and (5,10)
sweet [91]

Answer:

-4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help please. I need the answer.
Deffense [45]
Create and solve an appropriate equation:  Maria's earnings = Liam's earnings

                                                                       0.20x                 = $625+0.10x.

Find x.

0.10x = $625; thus, x = $6250.  At this level of food sales, these two people earn the same amount.
3 0
3 years ago
Find the Area of the figure below, composed of a rectangle and a semicircle. Round to the nearest tenth place.
kap26 [50]

Answer: 68.1

Step-by-step explanation:

The area of a semi-circle is 1/2 the area of a full circle. The area of a full circle is pi*r^2. Therefore, the area of a semi-circle is:

Area=\pi r^2/2

Area=\pi (3)^2/2=9\pi /2

The area of a rectangle is the length multiplied by the width:

Area=l*w

Area=6*9=54

The net area is the sum of the rectangle and the semi-circle:

Area=(9\pi /2)+(54)=68.1

8 0
2 years ago
For which value 0 is the statement sin 40= cos 0 true ?
makvit [3.9K]

Answer:

50°

Step-by-step explanation:

sin 40° = cos 50°

Hope it helps you in your learning process.

7 0
3 years ago
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