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Andrews [41]
3 years ago
9

Problem number 4 math problem

Mathematics
1 answer:
Effectus [21]3 years ago
8 0
U have to divide 3 into 4 and u will get 33.33 repeated
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Identify which of these designs is most appropriate for the given​ experiment: completely randomized​ design, randomized block​d
sasho [114]

Answer:

Matched pairs design

Step-by-step explanation:

Looking at the options;

-It's not a completely randomized design because a randomized design will assign all individuals to a group which in this case it doesn't.

- It's not a randomized block design because randomized block design will group the subjects in question into 2 or more blocks which have a common characteristic and will then randomly assign subjects in each of the blocks.

-It's a matched pair because every individual/subject undergoes measurements both before and after being treated with the drugs.

Thus, the correct option is matched pairs design.

7 0
3 years ago
A regular hexagon is formed by six equilateral triangles this makes it somewhat easy to find the area of the hexagon using the p
frozen [14]
1/2 of the side length p= 1/2 x 4 =2
centre angle=360/6=60 degrees

The APOTHEM bisects or divides the centre angle into two equal angles
1/2 of the centre angle=60/2=30 degrees
tan 30 degrees = 2/APOTHEM
APOTHEM=2/tan 30= 3.46 cm

The APOTHEM is the perpendicular height of the equilateral triangle given in the diagram.
Area of the equilateral triangle
=1/2 x 4 x 3.46
=6.93 cm^2
Area of the regular hexagon= 6 x area of the equilateral triangle= 6 x 6.93 =41.6 cm^2

Hope this helps!
4 0
3 years ago
If Joe earns $25 per hour during a normal week (40 hours per week), but earns $37.50 per overtime, how much does he earn in 48 h
Svetradugi [14.3K]

Answer:

1300

Step-by-step explanation:

Regular time is 40 hours at 25 dollars per hour

Regular pay is 40*25 = 1000

He worked 48 hours, 48-40 =8, so he worked 8 hours overtime

8 hours at 37.50 overtime pay

8*37.50=300

His total pay is regular pay plus overtime pay

1000+300 = 1300

4 0
4 years ago
Pls help find the inequality represented by the graph​
hichkok12 [17]

Answer:

use the linear equation of a line

equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept.

now u do the rest

7 0
3 years ago
Use the elimination method to solve the system of equations. Choose the
Ray Of Light [21]

Answer:

<h2>x = 5, y = -4 → (5, -4)</h2>

Step-by-step explanation:

\underline{+\left\{\begin{array}{ccc}5x+3y=13\\-5x-12y=23\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad-9y=36\qquad\text{divide both sides by (-9)}\\.\qquad y=-4\\\\\text{put the value of y to the first equation:}\\\\5x+3(-4)=13\\5x-12=13\qquad\text{add 12 to both sides}\\5x=25\qquad\text{divide both sides by 5}\\x=5

8 0
4 years ago
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