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Lapatulllka [165]
3 years ago
11

Pls help me with this (12 and below) with correct answers (SHOW WORK AND EXPLAIN) thanks lots of points

Mathematics
1 answer:
SashulF [63]3 years ago
5 0
I can do the first part, but the second part is confusing...
------------------
Find out how many plates Mike can pack in a minute.
60 (an hour) / .75 (3/4) = 45
180 / 45 = 4

Mike can pack 4 plates per minute.

Since Mike only packs 4 ppm, Lucy packs faster, with 5 plates per minute!

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Is (-1,4) a solution of the inequality y<2x+5?
Sveta_85 [38]
Let's plug x= -1, y= 4 in the inequation, we have:
4< 2*(-1)+5
⇒ 4< -2+5
⇒ 4< 3 (false)

Therefore, (-1,4) is not a solution of the inequation y<2x+5~
6 0
2 years ago
If you want to leave an 18% tip for a waiter on a $54.35 meal, what would the total bill be?
Darya [45]

Answer:

$64.13

Step-by-step explanation:

the tip would be added to the meal cost

6 0
3 years ago
Read 2 more answers
A Statistics class is estimating the mean height of all female students at their college. They collect a random sample of 36 fem
Butoxors [25]

Answer: = ( 63.9, 66.7)

Therefore at 90% confidence interval (a,b)= ( 63.9, 66.7)

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean x = 65.3

Standard deviation r = 5.2

Number of samples n = 36

Confidence interval = 90%

z(at 90% confidence) = 1.645

Substituting the values we have;

65.3 +/-1.645(5.2/√36)

65.3 +/-1.645(0.86667)

65.3+/- 1.4257

65.3+/- 1.4

= ( 63.9, 66.7)

Therefore at 90% confidence interval (a,b)= ( 63.9, 66.7)

4 0
3 years ago
Margie needs to know the square footage for the first floor of the condo her client wants to make an offer on. The kitchen is 10
irga5000 [103]

Answer:

D. 850 square foot

Step-by-step explanation:

Area of a space is the length

multiply by the width

The area for the kitchen, dining, office and sunroom will be calculated independently and added together.

Note the word "and the office and sunroom are each 10 feet by 10 feet"

Kitchen area = 10 ft x 15ft= 150sqft

Living/Dining area = 20ftx25ft= 500sqft

Sunroom = 10ftx10ft= 100sqft

Office= 10ftx10ft=100sqft

Therefore total surface area is the cumulative of the 4 areas

150sqft+500sqft+100sqft+100sqft= 850sqft

8 0
3 years ago
Read 2 more answers
The odds against the U.S women's soccer team winning the World Cup are 7 to 5, what is the probability that they will win the Wo
serious [3.7K]
I am guessing 7/5= 1.4 = 140 percent
5 0
3 years ago
Read 2 more answers
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