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What does the symbol for factorial function (n) mean

vfiekz [6]

Answer:

see explanation

Step-by-step explanation:

The meaning of n factorial → n !

n ! = n(n - 1)(n - 2)........ × 3 × 2 × 1

For example

7 !

= 7 × 6 × 5 × 4 × 3 × 2 × 1

3 0

2 years ago

√10 Multiple √15 is equal to

Paul [167]

$\\ \sf\longmapsto \sqrt{10}\times \sqrt{15}$

$\\ \sf\longmapsto \sqrt{10\times 15}$

$\\ \sf\longmapsto \sqrt{2\times 5\times 3\times 5}$

$\\ \sf\longmapsto \sqrt{5\times 5\times 6}$

$\\ \sf\longmapsto 5\sqrt{6}$

None of the above should be 4th option

8 0

2 years ago

The cube with side 2 is cut from the corner of rectangular prism with dimensions 4×3×5. Find the volume and total surface area o

True [87]

Answer:

Volume: 52 Units Squared

Surface Area: 94 units.

Step-by-step explanation:

The volume is relatively simple to find. Just subtract the original volume by the 2x2x2 cube's volume. The original volume is 60. The cube's volume is 2x2x2 which is 8. 60-8=52.

The surface area is harder to find. Try to envision the corner of the rectangle being cut out. We see that each side of the cube has a surface area of 2x2 which is 4. In the picture, we see that three sides of the rectangle has been partially removed. But since each side of the cube has an equal surface area, it is safe to minus 3 of the sides that has been partially removed by 3. However, since that it is the corner, the "dent" that the cube made in the rectangle also needed to be counted. As we said, each of the sides of a cube has a surface area of 4, so since that the dent has 3 sides, we see that the surface area of the dent is 4x3 which is 12. Now we need to count the unaffected sides of the rectangle. There are three of them. Just multiply the edges to find the surface area of each side. Add all of the values up: 11+16+12+8+15+12+20=94 units.

5 0

2 years ago

The following set of numbers is going to be graphed on a histogram. If there are going to be four intervals, what will the lengt

Alina [70]

The length of each interval would be 3.75 rounding to whole number is 4.

Step-by-step explanation:

Stack in excel from lowest to highest points.
Total number of data points are 14.
Frequency distribution to be created.
You can use countif function for frequency distribution.
Since we have already got the number of intervals.
It will be easier to calculate the number if intervals.
normally there should be 5-15 intervals to get a better histogram.
Basic formula is Highest data point - Lowest data point/ classes/intervals.
So (29-14)/4 = 3.75 rounding to 4.

8 0

2 years ago

A rectangular package can be sent through the mail only if the sum of its length and girth is not more than 120". find the dimen

Bingel [31]

Knowing that a square gives the optimum area;

120=s²
√120=s
√2×2×2×5×3=s
2√2×3×5=s
2√30=s

Therefore, the length should be ≈10.95"

Hope I helped :)

4 0

3 years ago

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