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xeze [42]
3 years ago
9

Square root of -20 someone please help

Mathematics
1 answer:
postnew [5]3 years ago
4 0

Answer:

I think its either 5 or 4 one of the 2

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Find the exponential generating function for the number of alphanumeric strings of length n n formed from the 26 26 uppercase le
lana66690 [7]

Answer:

the answer is contained in the attachment

Step-by-step explanation:

for complete explanation kindly check the attachment.

5 0
3 years ago
Select all the rates that are unit rates.
Nataly_w [17]

Answer:

\frac{2/3}{1} and \frac{3}{1}

Step-by-step explanation:

Options

\frac{1}{1/3}     \frac{2/3}{1}     \frac{2}{3}     \frac{3}{1}     \frac{1}{9}

Required

Select the unit rates

Unit rate involve two items where the first item being measured can be any positive number, but the second item must be measured in units (i.e. 1)

For clarity:

If \frac{a}{b} represents unit rate, then b = 1

Having said that:

Only \frac{2/3}{1} and \frac{3}{1} satisfy the condition of unit rates; others are not because they have a denominator other than 1

3 0
2 years ago
Which expression shows how to convert 60 hours to days​
torisob [31]

Answer

60 hours = 2.5 days

Step-by-step explanation:

1 day = 24 hours

2 days = 48 hours

3 days = 72 hours

so 60 hours in = to 2.5 days

hope this helps

7 0
3 years ago
Read 2 more answers
May I please receive help?
romanna [79]

Answer:

\frac{10}{9}\pi      yards

Step-by-step explanation:

The circumference of this circle = 2πr

                                                     = 8π

We have to find the arc length of 50°, or 50/360 times the circumference of the circle(because there is 360° in a circle)

\frac{50}{360} * 8\pi = \\\\\frac{400\pi}{360} =\\\\ \frac{10\pi}{9}

-Chetan K

3 0
2 years ago
A pyramid has a regular hexagonal base with side links of four and a slant height of six. Find the total area of the pyramid
vova2212 [387]

Area of the Base = 6 * side^2 / 4 * tan (180/6)

Area of the Base = 6 * 16 / 4 * 0.57735

Area of the Base = 96 / 2.3094

Area of the Base = 41.5692387633


Area of 1 Face = 2 * 6 = 12

Area of 6 Faces = 72


Total Area = 41.5692387633 + 72

Total Area = 113.5692387633

7 0
3 years ago
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