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olchik [2.2K]
3 years ago
7

What did persian history begin with?

Mathematics
1 answer:
tangare [24]3 years ago
3 0
Persian History began with Medes.
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Brainliest if your answer is correct
Helga [31]

Answer:

59.4+33.88

=93.28

Simply multiply the values.

5 0
3 years ago
Find the volume of the cylinder.<br> Either enter an exact answer in terms of or use 3.14
satela [25.4K]

Answer:

452.16 cubic units

Step-by-step explanation:

Volume of cylinder

= \pi {r}^{2} h \\  \\  = 3.14 \times  {6}^{2}  \times 4 \\  \\  = 3.14 \times 36 \times 4 \\  \\  = 452.16 \:  {units}^{3}

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3 years ago
Can some one help me solve this sequence? It’s 121,97,73,49,25
kiruha [24]

Step-by-step explanation:

keeps subtracting by 24.

7 0
3 years ago
The average human reaction time from eye to finger is 0.16 second. How is this expressed as a fraction?
xxTIMURxx [149]

Answer:

4/25 seconds

Step-by-step explanation:

the second (0.16) is in two decimal places, so divide 16 by 100

\frac{16}{100}

to express in the simplest form, divide the numerator  and the denominator by 4

= \frac{4}{25}

6 0
3 years ago
Find the exact solution of the following quadratic equation by using the Quadratic Formula. x^2-9x=36
natita [175]

Answer:

x = 12 or x = -3

Step-by-step explanation:

Solve for x over the real numbers:

x^2 - 9 x = 36

Subtract 36 from both sides:

x^2 - 9 x - 36 = 0

x = (9 ± sqrt((-9)^2 - 4 (-36)))/2 = (9 ± sqrt(81 + 144))/2 = (9 ± sqrt(225))/2:

x = (9 + sqrt(225))/2 or x = (9 - sqrt(225))/2

sqrt(225) = sqrt(9×25) = sqrt(3^2×5^2) = 3×5 = 15:

x = (9 + 15)/2 or x = (9 - 15)/2

(9 + 15)/2 = 24/2 = 12:

x = 12 or x = (9 - 15)/2

(9 - 15)/2 = -6/2 = -3:

Answer:  x = 12 or x = -3

4 0
3 years ago
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