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Mathematics

1 answer:

Ray Of Light [21]3 years ago

5 0

Answer:
Per slice it cost $0.46
So for 16 slices it will cost 7.36

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What is the difference between the permutations rule and the combinations rule? Choose the correct answer below. A. The permuta

fgiga [73]

Answer:

A. The permutations rule takes order into account, whereas the combinations rule does not.

Step-by-step explanation:

Permutation is an orderly form of combination. They both deal with numbers an element can be arranged in different ways.

The main difference is that permutation takes into account the order in which the arrangement takes place while combination doesn’t take that into account.

Combination formula: nCr = n! / r! * (n - r)!

Permutation formula: P(n,r)=n! (n−r)!

7 0

4 years ago

4x + 8y =40 when y=0.8?

amid [387]

4x + 8y =40
4x + 8* 0.8 =40
4x + 6.4 =40
4x = 40 - 6.4
4x = 33.6
x = 33.6/4
x = 8.4

3 0

3 years ago

A cone-shaped tent has a diameter of 12 ft and a height of 6 ft.

mestny [16]

Here's the formula for the volume of a cone:

$V=\frac{1}{3}\pi\ r^2h$

Plug in 3.14 for $\pi$ .
Plug in 6 for the height $h$ .
Our radius is half of our diameter. $r=6$ .

$V\approx\frac13\times3.14\times6^2\times6$

6² = 6 × 6 = 36.
Now we just multiply together 1/3, 3.14, 36, and 6 to get...

$V\approx226.08$

Rounding to the nearest tenth...

$\boxed{V\approx226.1\ ft^3}$