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makvit [3.9K]
3 years ago
15

2x exponent of 2 divided by 27 x=18

Mathematics
1 answer:
Paha777 [63]3 years ago
3 0

Answer:

24

Step-by-step explanation:

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Expand and simplify 5(y-2) 2(y-3)
Oksana_A [137]
5y-10 and 2y-6 unless the two are together in which case are they being added or multiplied (the equations).

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Find the surface area of the cylinder in terms of pi.<br><br> Height = 8 in<br> Diameter = 4in
irga5000 [103]
1) the area of the "side" of the cylinder is A1= pi (4 in).
2) the total area of the circular ends of the cyl. is A2 = 2 pi (2 in)^2 (since the radius of the cyl. is 2 in).

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8 0
3 years ago
Tabitha decided to start saving pennies for a stretch of two months and initially started with 2 pennies. A table showing the nu
svetoff [14.1K]

Answer:

  • after week 7: 4374 pennies
  • 486 pennies: after week 5

Step-by-step explanation:

The sequence values have a first term of 6 and a common ratio of 3, so can be described by the formula ...

  an = 6·3^(n-1)

This can be rearranged to ...

  an = 2·3^n

__

When n=7, the value is ...

  a7 = 2·3^7 = 4374 . . . . pennies saved after 7 weeks

__

To find when there are 486 pennies saved, we can solve the equation ...

  486 = 2·3^n

  243 = 3^n

  log(243) = n·log(3) . . . . . . . take the logarithm

  log(243)/log(3) = n = 5 . . . . divide by the coefficient of n

Tabitha will have saved 486 pennies after 5 weeks.

7 0
3 years ago
- 2 + 0.8) ÷ (- 1.3) =<br><img src="https://tex.z-dn.net/?f=%20%28%20-%202%20%2B%200.8%29%20%5Cdiv%20%28%201%7D%5E%7B2%7D%20%20-
Nookie1986 [14]
(-2 + 0.8) ÷ (1²-1.3) =

(-1.2) ÷ (1-1.3)

(-1.2) ÷ (-0.3)

= 4
6 0
3 years ago
What are the zeros of f(x)=(x-2)(3x+1)​
Basile [38]

2,-  \frac{1}{3}

6 0
2 years ago
Read 2 more answers
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