Mathematics : asked on aamoore1295

03.07.2020

In case you are having trouble reading the fraction on part “c” it says pie/183

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20.11.2022, solved by verified expert

Mathematics, English, Physics. Research Scholar at Indian Institute of Technology, Roorkee

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Answer:

see below

Step-by-step explanation:

a. 1.38

1.38 is the rate of change of sunset time with respect to sunrise time. That means, on every increase in unit sunrise time, the sunset time is increased by 1.38

b. 18.22

18.22 is representing the minimum sunset time is 18.22. That means this is the lowest time for the sunset on anyday.

c. Period of sinx is 2pi.

Therefore the period of the given function is

Period is 2pi / (pi/153) = 306 degrees

This means after 306 days of, the sunset time start repearting itself.

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You can buy jars of the same jam in 2 sizes large jar:440g for £1.54 small jar:340g for £1.26 By considering the price per gram, work out which jar is the best value for money. Working must be shown

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P Answered by PhD

Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram

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For 1 flavor there are 9 topping

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No of choices= 5*9

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Step-by-step answer

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For every 8 cars there are 7 trucks

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Answer is B)8:7

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Use the X method to find the solutions of6x2 + 2x – 20 = 0.

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The answer is in the image

The answer is in the image

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The solution is given in the image below

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Step-by-step answer

P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

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Therefore, till now 8 pieces have been made.

Mathematics

David is building wooden picture frames. Each frame requires 3/4 feet of wood. If David started with 12 feet of wood and now has 6 feet of wood remaining, how many pictures frames has he built?

Step-by-step answer

P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

Mathematics

Mathematics, 26.03.2020 20:52, mohammadhosseinkarim David is building wooden picture frames. Each frame requires 3/4 feet of wood. If David started with 12 feet of wood and now has 6 feet of wood remaining, how many pictures frames has he built?

Step-by-step answer

P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

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P Answered by PhD

30% of 420 are first year students

first year students = (30/100 )*420

=126 students

Student who are not in first year = 420-126

=294 students

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