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It is 9999999999999999999999999.1.

apparantly you were trying to do  1 plus .9999999999999999999999999, but forgot the decimal point. Even if you did, though, the answer would be 1.0999999999999999999999999

Do not multiple post the same question.  Next time they might all be deleted.

If your question moves to the second page then you can repost but you should indicate that that is what you are doing.

50km/hr for 2 hours IS 100km in 2hours

40km/hour for 1/2 an hour is  20km in 1/2hour

total

120km in 2.5 hours

$${\frac{{\mathtt{120}}}{{\mathtt{2.5}}}} = {\mathtt{48}}$$

average speed is 48km/hour

According to Google, the answer is 42. Just search it.

I'm assuming the triangle is equilateral because otherwise this problem would be nearly impossible. A triangle has 3 sides, and you need to divide the 100 cm equally between the equal sides. 100/3 is 33 1/3, therefore if this triangle was equilateral, each side would be 33 1/3 cm.

use the site cale - inverse sin is the same as arc sin

enter like this

asin(.9622504486488889)=

It is 119.2. If you need help on any equations, just goo to the sites calculator, which can be accessed by pressing the home button or the //web2.0calc.com icon.

Use the onsite calc on the home page to enter it.

First you would change the mixed numbers into improrper fractions by multiplying the while number by the denominator and adding the product to the numerator, which in this case gets 74/9 and 7/3.

Next, you would get the two numbers to have the same denominator by finding the least common denominator (which is basically the first multiple that they have in common). These numbers have a LCD of the 9 since 3 is a multiple of 9, and so is 9.

You would next multiply each fraction by the LCD (multiplying both the numerator and denominator by it) and the problem becomes of like denominators (74/9 and 21/9). Since the problem was originally 8 2/9- 2 1/3, you would do 74/9- 21/9. If you don't know how, you just need to subtract the second numerator from the first. This gets 53/9.

Finally, you would simplify and find the highest amount of values of the denominator that go in the value of the numerator, in this case 9 goes in 53 five times. Subtract the number (the product of highest multiple of the denominator fitting in the numerator and the denominator) from the numerator and you would get a remaining fraction. This problem would get 5 and 8/9 left over. The answer is 5 8/9.

Is isn't mathematically, but some people make is as a picture puzzle.

21!!! 21!!!

I liked you explanation to Kitty.

Your pun on 'deer' was cute too :))

I like your avatar, justinas. It’s “just ‘n as” if I were in school. Look at my avatar, closely, in the profile image for my retort.

50 cos 30 degrees

draw an equilateral triangle with side lenth 2

split it in half.

Then you will have a right angled triangle with acute angles 60 and 30 degrees

the sides will be 2,1, and using pythagoras' theorem the 3rd side is sqrt3.

From that triangle you can see that cos 30 = sqrt3 / 2

so 50cos30 = (50sqrt3/2) = 25*sqrt3

If you just want the approximation it is easier to do it on the calc in the first place.

if you type in 50cos30 into the site calc on the home page then press = maybe a couple of times it will give you your answer.

Vertically elevating a mass of 75Kg to 1.6m through a gravity field of 9.8m/s² requires a kinetic energy of

KE = m *g * h 

75kg *(9.8m/s²) * 1.6m =1176 Joules

The energy required to accelerate a mass of 75kg to a velocity of 0.8m/s is

KE= 0.5(m)*v²  

0.5(75kg) * (0.8m/s)² = 24 Joules

Total energy is the sum of these: 1176 + 24 = 1200 Joules

Extra energy will be required for overcoming wind resistance, and for curving and unfolding herself over the bar. The wind resistance should be easy to calculate. The rest not so much.

_7UP_

$$\sqrt{-45}=\sqrt{-1*9*5}=3\sqrt5\;i$$

This is an imaginary number.  There are no real solution to a neg inside a square root.

98/1275

or

0.0768627450980392

the answer to life, the universe and everything

is 42

It's just "a" multiplied by itself "n" times.......(to be technically correct, n-1 times !!!)

D ./ R = T    ....   so

(11 km ) / (15 km / h)  =  11/15 hrs =  (11/15) X 60  =  44 min

If the 9 and 10 is an integer than the answer would be 19 if one of the digits is a string than you'll get 910 in most programming languages (javascript in this case) this would be the right way to execute the code.

9+10

Will output 19

"9"+"10"

Will result in 910

first find out how many kilometers simon can do in 1 minute

15km per 60min

divide  15/60 you find out that he goes .25 km per 1 minute

then you find out how many times .25 goes into 11 km divide 11/.25

.25 goes into 11, 44 times so it takes simon 44 minutes

i hope its correct :)

(240 / 360) x 60  minutes =

2/3  x 60   =

120 / 3  =

40 minutes