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Misha Larkins [42]
3 years ago
8

he picks 1 2/5 kg less strawberries in the morning than in the afternoon . If sheldon picks 2 1/4 kg in the morning how many kil

ograms of strawberries does he pick in the afternoon
Mathematics
2 answers:
Usimov [2.4K]3 years ago
5 0
The answer is 7/20. First, you subtract 2 1/4 and 1 2/5. You have to make a common denominator. The common denominator is 20. Now you have 2 5/20 - 1 8/20. You can't subtract 5 from 8 so you have to regroup. Now you have 1 25/20 - 1 8/20. You get 7/20
poizon [28]3 years ago
3 0
What you need to do is subtract 1 2/5 kg from 2 1/4 so first you have to find a common denominator which would be 20 so now it is 2 5/20 - 1 8/20 so now take the 2 5/20 and make it 1 25/20 - 1 8/20 which equals 17/20 kg (I hope you can understand that if you cant sorry that's what I learn how to do that)
                answer = 17/20
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B because absolute value means that the number inside the absolute value brackets is the positive version of the number
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3 years ago
Pleas help me!!
Sphinxa [80]
1) Answer: The part of the quadratic formula tells us whether the quadratic equation can be solved by factoring is b^2-4ac

2) 4x^2+6x+2=0
ax^2+bx+c=0; a=4, b=6, c=2
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7 0
3 years ago
A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year:
Kaylis [27]

Answer:

A.

mean = 724.2

Median = 715

Mode = 768

B.

Range = 85

Standard deviation = 29.30

C.

Interval = [665.6, 782.8]

Step-by-step explanation:

Number of samples n = 25

Summation X= 769 + 691 + 699 +730+711+ 765+ 702 718 +719 +712+ 768 +688 +757+695 768 +735 +709 +758 +708+ 693 +736 700+ 687 +772 +715 = 18105

A.

1. Mean = 18105/25

= 724.2

2. Median is the middle value when arranged from the least value to the highest = 715

3. Mode is the number with the highest frequency = 768 (occured two times)

B.

1. Range = highest value - lowest value

Highest value = 772

Lowest value = 687

772-687 = 85

2. Standard deviation = √(X-barX)²/n-1

= √20604/25-1

=√858.5

= 29.30

Please check attachment for the full calculation of the standard deviation

C.

Interval

[Mean - 2(sd), mean + 2(sd)]

= [724.2-2x29.3, 724.2+2x29.3]

=[665.6, 782.8]

4 0
2 years ago
1) 26 = 8 + v<br> I need help
Alika [10]

Answer:

18

Step-by-step explanation:

v is 18 because 18+8 is 26 ‍♀️

8 0
3 years ago
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Sloan [31]
The answer would be log base 2 of 6 over log base 2 of 3

8 0
3 years ago
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