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allochka39001 [22]
3 years ago
10

Assume you still have 9 customers to call today and you have an hour and a half until your next break (90 minutes). To get the c

alls done in time you would need your sample average of these 9 customers to be 10 minutes. What is the z-score for this
Mathematics
1 answer:
mojhsa [17]3 years ago
5 0

Answer:

umm..

Step-by-step explanation:

You might be interested in
2 1/2 1 1/16 = 3 1/16 3 1/2 3 9/16 3 3/16
amm1812
2 1/2     = 2 8/16

so

2 8/16  + 1 1/16    = 3 9/16

The answer is the third option



3 0
3 years ago
4x+15=75 in a number line
Dennis_Churaev [7]

Answer:

x= 15

Step-by-step explanation:

4x+15=75

4x = 60

x = 15

7 0
2 years ago
Find the equation of the ellipse with the following properties.
zalisa [80]
Equation of an ellipse:

(x-h)²/a² + (y-k)²/b² = 1
Since it passes through the origin (0,0) , then h = k = 0 hence the equation:
(x-0)²/a² + (y-0)²/b² = 1
x²/a² + y²/b² = 1

2a = major axis = 2.|5| + |-5| = 10. then a = 5 and a² = 25
2b = minor axis = 2.|3| + |-3| = 6. then b = 3 and b² = 9

Then the final equation is:
x²/25 + y²/9 = 1

6 0
3 years ago
What is the slope of the line that passes through points (1/4,3) and (5,8)
Alex73 [517]

Answer:

20/19

Step-by-step explanation:

y2-y1/x2-x1

= 8-3/5-1/4

=20/19

8 0
2 years ago
Estimate the perimeter and the area of the shaded figure to the nearest tenth.<br> -Please help me-
Crank

Answer:

Perimeter = 12+4pi

Area = 16+8pi

Step-by-step explanation:

Description of the assumed shape:

A rectangle 2 x 8 superimposed on a semi-circle of radius 4.

Perimeter:

P = 2+8+2+(4)(pi) = 12+4pi

Area :

A = 2*8 +(pi)4^2/2 = 16 + 8pi

3 0
3 years ago
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