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25% accurate 65% of the time?

0.65 x 0.25 =0.1625 x 100 =16.25% accurate

Ali had 3 1/4 cups of flour. she used 2/3 of the flour. how much flour did she use?

3 1/4 x 2/3 =

13/4 x 2/3 =

26/12 =2 1/6 cups of flour that Ali used.

If the number is =N, then:

N + 1/3N =16

1 1/3N =16

4/3N=16

N=16 / (4/3)=16 x 3/4

N=48/4

N=12, so that:

12 + (1/3 x 12)=12 + 4 =16

15 2/3

she used 2/3 of the flour. how much flour did she use?

 2/3 cup

Convert her walking speed from mph to feet per hour:

3 x 5,280 =15,840 feet- her speed per hour

15,840 /60=264 feet - her speed per minute. Therefore:

5 x 264 =1,320 feet- that she walked when you started, or:

1,320 / 5,280 =1/4 of a mile she walked in 5 minutes.

2/96 = 1/48 = 0.0208333333

You can use the fraction help or push "/" to make a fraction. 

If she walks for 5 mins (.083 hours) before your start then if you multiply that time by her rate (3 miles / hour), thus canceling out the unit of hours and leaving you with miles then she actually walked... .249 miles!

HAZZA! :D

To find the mean of a set of numbers you have to add all those numbers together and then divide that sum by the amount of numbers you added like so:

My numbers: 10, 20, 30, 40

Add them all together: 10 + 20 + 30 + 40 = 100

Divide by 4 (you added 4 numbers together): 100 / 4 = 25

The mean of the numbers 10, 20, 30, 40 is... 25

Never mind, it's 0.25.

2/96 = 0.0208333333333333

0.02083333333

ANOTHER option:  Make the package a CYLINDER (Like Quaker Oats)

Volume =  pi r^2 h = 288     Let's make h = 10   then r = 3.0277

Area of the 'package' = pi d h = pi (6.0555) 10 = 190.233 sq in  (but we must still add the two ends)

Area of Ends  =  2  x  pi r^2 = 2 x pi = 57.59

Total area of packaging  =  57.59 + 190.233 = 247.823 sq in      even LESS than a cube

Make the cylinder bigger (diameter) and shorter and save even MORE in packaging materials.

Cylinders will not be as efficient as a shipping option as a cube....though not far off!

x=4 divided by 2 

x=2

1.26142857+(2x/7)

A_trapezoid =   (1/2)h [ b₁ + b₂  ]

So.....the area  =

100 = (1/2)h [ b₁ + b₂  ]  =  (1/2)(5) [ b₁ + b₂]

Multiply both sides by 2  and divide by 5

40  = b₁ + b₂

So.......we are looking for base lengths that sum to 40  using whole numbers.....

A possible combination is  :  b₁ = 30 and b₂  = 10 

1,2,2,4,8,32,256
 

After the first digit........the repeated pattern for the last digit is  2,2,4,8,2,6

So....the 35 term's final digit will = 8

Let the box be designed as a cube.....

Then....every dimension wlll = the cuberoot of the volume =  cuberoot [ 288] ≈  6.60 in

And the surface area will  = 6 * side^2 =   6 * [cuberoot [288]]^2  ≈ 266.665 in^2

Thus, the volume is the same but the surface area [ and, hence, production cost] per box is reduced from   312 in^2 to 266.665 in^2

google it...

What is the quotient of the number 0.2 and -2.6.

.2 / -2.6 =-0.0769230...........etc.

864,575.9 mi

3x +6= x-18

2x+6=-18

2x+ -24

x= -12

33.6/4=8.4

8.4*2 = 16.8

16.2