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mote1985 [20]
3 years ago
12

Will give brainliest if answered please help!!!

Mathematics
1 answer:
Citrus2011 [14]3 years ago
3 0

Answer:

16 π units²

hope this helps!:)

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Simplify and express with POSITIVE indices <br><br> a^3*a^-4*a^5
valkas [14]

Answer:

hello :

a^4

Step-by-step explanation:

a^3*a^-4*a^5 = a^(3 - 4 +5) = a^4

5 0
2 years ago
The mean of seven numbers is 12.0. When one new number is added , the average of eight numbers becomes 12.5 . What is the new nu
Gnesinka [82]
(12 * 7 + n)8=12.5
(12 * 7 + n)= 100
N= 16. The new number will be 16. Hope this helps. :)
8 0
3 years ago
Read 2 more answers
Find Sn for the given arithmetic series a1=-26 d=-9 n=24
ryzh [129]

Answer:

- 3108

Step-by-step explanation:

The sum to n terms of an arithmetic series is

S_{n} = \frac{n}{2} [ 2a_{1} + (n - 1)d ]

Substitute the given values into the formula

S_{24} = \frac{24}{2} [ (2 × - 26) + (23 × - 9) ]

                          = 12 ( - 52 - 207 )

                         = 12 × - 259 = - 3108

5 0
3 years ago
Find the domain and range of the function f(x)= 8|x|+sinx
erik [133]
Dominio:
(−∞,∞),{x|x∈R}

Rango:
(−∞,∞),{y|y∈R}
6 0
2 years ago
Tommy bought one dozen donuts. He gave one-sixth of the donuts to his wife. He then gave one-fifth of the remaining donuts to hi
statuscvo [17]

Answer:

8

Step-by-step explanation:

1/6 of 12 is 2

12 - 2 = 10

1/5 of 10 is also 2

10 - 2 = 8

Tommy took 8 donuts to work.

6 0
2 years ago
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