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Mathematics : asked on ca1137b137e61e77e0296e89d6d02c8f
 05.11.2020


Day 6. with questions 2-15 or 10

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I will solve only one question at a time, but for you I'll do any 3 please select specific number 

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numbers 20, 8 and 12 thanks.

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Step-by-step answer

16.02.2023, solved by verified expert
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Bhaskar Singh Bora
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Mathematics, Physics. Q&A Expert
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Answer:

See below

Step-by-step explanation:

8) (24x⁵)^½ = √(2x²)².6x 

= 2x²√6x 

12) (81n^12)^ 1/3 = 3^(4×1/3) n^(12×1/3)

= 3n⁴.3^(1/3)

20) (8x)^3/2 = (2√2x)³ 

= 8.2x.√2x 

= 16x√2x

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Step-by-step answer
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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The last time Robert filled up his car with gas, he paid $24.50 for 7 gallons. This time, he needs 15 gallons. If the price is the same, how much will he pay?
Step-by-step answer
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Cost of 7 gallons=$24.50

Cost of 1 gallon=24.50/7=3.5

Cost of 15 gallons=15*3.5=52.5

Cost of 15 gallons will be $52.5

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Step-by-step answer
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The answer is in the image 

The answer is in the image 
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A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z. If none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?
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The total nom of  code that can be used is equal to 5+3 = 8

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Step-by-step answer
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The solution is in the following image

The solution is in the following image
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The value of a collectible coin can be represented by the equation y = 2 x + 15, where x represents its age in years and y represents its total value in dollars. What is the value of the coin after 19 years? $2 $23 $38 $53
Step-by-step answer
P Answered by PhD

y=2x+15

where y=Value of coin

x=Age in years

Value of coin after 19 years=2*19+15

=$53

Therefore, Value after 19 years=$53

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Step-by-step answer
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The answer is in the image 

The answer is in the image 

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Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

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Approximately it is aqual to 1300kg

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Step-by-step answer
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The answer is in the image 

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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)

=8 pieces

Therefore, till now 8 pieces have been made.

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