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e-lub [12.9K]
3 years ago
8

The table below shows how much money a grocery store receives for selling different amounts of asparagus.

Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0
The answer is C) $30.00. First, find out how much 1lb costs. 1lb would cost 1/4 of 4lb. $10×1/4=$2.50/1lb. So 12 pounds would be 12x the cost of 1lb. $2.50×12 pounds=$30/12lb.
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Katie has read 32 % of a book. If she has read 80 pages, how many more pages does Katie have left to read?
mestny [16]
Percentage of pages of a book read by Katie = 32%
Total number of pages of the book read by Katie = 80
Let us assume the number of pages that the book has = x
Then
(32/100) * x = 80
32x = 80 * 100
32x = 8000
x = 8000/32
   = 250
So the book has a total of 250 pages in it.
Then
The number of pages that Katie still needs to read = 250 - 80
                                                                                 = 170
So Katie needs to read 170 more pages in the book.

7 0
3 years ago
Read 2 more answers
A survey was conducted to determine whether hours of sleep per night are independent of age. A sample of individuals was asked t
alekssr [168]

Answer:

Sleep hours per night is independent.

Step-by-step explanation:

Given the data:

Hours of Sleep 39 or younger 40 or older

> 6 _____38 36

6 to 6.9 _ 61 58

7 to 7.9 __76 74

8 or more 65 92

The Chisquare statistic is to be used to perform the analysis :

The hypothesis :

H0: Sleep hours per night is independent

H1: Sleep hours per night is not independent

χ² = (observed - Expected)² / Expected

To save computation time. We could use a Chisquare calculator to perform the analysis :

The test statistic = 4.0061

The degree of freedom = (row - 1) * (column - 1)

Degree of freedom = (4-1)*(2-1) = 3*1 = 3

The Pvalue = 0.261

Since, Pvalue > α ; We fail to reject the H0 ;and conclude that sleep hours per night is independent.

______________total ___%

> 6 _____38 36__ 74 __ 14.8

6 to 6.9 _ 61 58 __ 119 __23.8

7 to 7.9 __76 74___150__30

8 or more 65 92___157__31.4

_______240 _260__500_100

7 0
2 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 2x - 2. The perimeter of the triangle is 71. Find
Elanso [62]

Answer:

x = 15

Step-by-step explanation:

x + 2x - 2 + 2x - 2 = 71

Solve for x, you get 15.

3 0
2 years ago
Which of these is not a possible r-value?
Tems11 [23]

Answer:

Step-by-step explanation:

A

4 0
3 years ago
Please help! thanks​
anygoal [31]

1 =1,1,4. 5=13,16

2 =1,4. 6=23,3

3 =18,55. 7= 25,8

4 =3,16.

ps , meanes fraction

7 0
2 years ago
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