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rosijanka [135]
3 years ago
8

READ NOW for prize details: You really want to add smoked sausages to your menu and feel that you'll sell 12 units a night at $9

with a food cost of $4.50 each. Your graphic designer will charge you $75 to make the change and $150 to print new menus. How long will it take you to recoup the design and printing costs?
Mathematics
1 answer:
liberstina [14]3 years ago
7 0

Answer:

4.2 days

Step-by-step explanation:

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The time it takes for climbers to reach the highest point of a mountain is normally distributed with a standard deviation of 0.7
blondinia [14]
The best approach to this is to use the formular 
Standard error = standard deviation / sqrt( sample size) 
 standard deviation = 0.75 hours
 sample size = 35
 Hence, Standard error = 0.75 /sqrt(35) = 0.126 = 0.13
6 0
3 years ago
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A rectangle has a length that is increasing at a rate of 10 mm per second with the width being held constant. What is the rate o
NISA [10]

Answer:

the rate of change of the area is Ra= 80 mm² per second

Step-by-step explanation:

the area of a rectangle (A) is

A = L * W , L= length and W= width

if the width remains constant the change in the area is only due to the change in length , thus:

ΔA = Δ( L * W ) = W * ΔL , where ΔA represents the change in area and ΔL represents the change in length

ΔA = W ΔL

denoting Δt as the time required to change, and dividing both sides by Δt

ΔA/Δt = W ΔL/Δt

where Ra=ΔA/Δt = rate of change of the area and RL=ΔL/Δt rate of change of the length.

thus

Ra = W * RL

replacing values

Ra = W * RL = 8 mm * 10 mm/second = 80 mm² /second

6 0
2 years ago
What’s the slope of a parallel line given the equation 3x+4y=3? <br><br> Please explain the process.
Otrada [13]

Answer:

-3/4

Step-by-step explanation:

Move the 3x over to the side with the 3 so it will become a -3x now you have 4y=-3x+3 now you have to remove the 4 from the y so now you have y=-3/4x+3/4 so you slope will be -3/4

7 0
2 years ago
ASAP PLEASE HELP! THANK YOUU​
mote1985 [20]
The answer to the question is c
4 0
3 years ago
Free question
jarptica [38.1K]

Answer:

3/4 I think its that

Step-by-step explanation:

its a guess

5 0
2 years ago
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