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11.9595 rounding to the 3.dp?
Question posted by PhiBonacci 3+ months ago | 4 answers | 
| Open
PhiBonacci's response: Rounded to the 3rd decimal place 11.9595 ≈ 11.960.
2x+1 Area=35cm. 5 What is x?
Question posted by PhiBonacci 3+ months ago | 2 answers | | Open
Related topics: square, area, question, math, maths
PhiBonacci's response: If 5 refers to a length of a rectangle, and 2x + 1 refers to the length of the other side of that rectangle, then we can write an equation: (2x + 1) cm * 5 cm = 35 cm² ;; solve for x ;; divide by 5 cm (2x + 1) cm = 7 cm ;; -1 2x cm = 6 cm ;; ...
How many possible combinations are in a 5 digit lock?
Question posted by PhiBonacci 3+ months ago | 2 answers | | Open
Related topics: lock, wondering
PhiBonacci's response: If each digit is a number from 0 through 9, there are ten possibilities per digit. So, in a 5 digit lock there are 10^5 = 100,000 possible combinations.
If a circle’s area is equal to four times its circumference, what is the diameter?
Question posted by PhiBonacci 3+ months ago | 3 answers | | Open
Related topics: circle, area, equal, time, circumference
PhiBonacci's answer: r := radius d = 2r := diameter a = πr^2 := area c = 2πr := circumference πr^2 = 4 * 2πr ;; divide by πr r = 8 d = 16.
Should we ban chocolate milk from schools? Why or why not?
Question posted by PhiBonacci 3+ months ago | 5 answers | | Open
Related topics: school, chocolate, milk, schools
PhiBonacci's response: I have heard that in US school canteens ketchup counts as vegetables. So, yes, please, ban chocolate milk; it's far too healthy ;)
When I was 6 my sister was half my age Now I'm 70 how old is my sister?
Question posted by PhiBonacci 3+ months ago | 6 answers | | Open
Related topics: sister, ages, old, age
PhiBonacci's comment: A typo sneaked in. sry. Correction: "The sister has also aged 64 years. So, she will be now 3 + 64 = 67 years old."
When I was 6 my sister was half my age Now I'm 70 how old is my sister?
Question posted by PhiBonacci 3+ months ago | 6 answers | | Open
Related topics: sister, ages, old, age
PhiBonacci's answer: "When I was 6 [...] Now I'm 70." : The difference is 70 - 6 = 64 years. "my sister was half my age" : 6 / 2 = 3. The sister has also aged 67 years. So, she will be now 3 + 64 = 67 years old. ... unless she was travelling ...
In mice, the spinning behavior is caused by a dominant gene that affects the mouse's equilibrium.
Question posted by PhiBonacci 3+ months ago | 1 answers | | Open
Related topics: mouse, together, present, spinning, mice, gene, deadly, genes, dominant
PhiBonacci's answer: S := spinning s := not spinning Two "spinning mice" are mated together. Show the cross. As this gene is lethal (deadly) if two alleles are present, the two mice have to be of genotype Ss : Ss + Ss -> SS, Ss, Ss, ss. What are the ...
What do some bacteria have whip like tails that spin to propel them forward?
Question posted by PhiBonacci 3+ months ago | 3 answers | | Open
Related topics: bacteria
PhiBonacci's answer: en.wikipedia.org/wiki/Flagellate This article is about eukaryotic flagellates. en.wikipedia.org/wiki/Flagellum On bacterial flagella and their differences.
In geometry the four sides of a square are all the same length. One side measures (3x+4)?
Question posted by PhiBonacci 3+ months ago | 2 answers | | Open
Related topics: square, first, side, geometry, perimeter, measure, equations, length, algebra
PhiBonacci's answer: 4 * (3x + 4) = 76 12x + 16 = 76 12x = 60 x = 5.
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