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RoseWind [281]
3 years ago
5

Simplify 3^-9 over 3^-12

Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0
It would be simplified to 27
Shkiper50 [21]3 years ago
3 0

Answer:

B - 1/(3^21)

Step-by-step explanation:

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Write all the numbers that will round to 330
grandymaker [24]

Answer:

229.6 229.7 229.8 229.9 330.1 330.2 330.3 330.4

Step-by-step explanation:

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8 0
3 years ago
The ages of the 32 recruits in police academy are normally distributed with a mean of 27 with a standard deviation of 2. What pe
Natalka [10]
Z scores are   (age - mean) / std dev

= 23 - 27 / 2  = -2  and  27-27 / 2  = 0 

Using the standard normal tables we find the required percentage is 47.73%

                
8 0
3 years ago
the consumer price index compares the cost of goods and services over various years, where 1967 is used as t=0. The same goods t
Lisa [10]

Answer:

  • f(t) = 100·1.845^(t/10)
  • $1025.15

Step-by-step explanation:

(a) The given numbers can be put directly into the form ...

... f(t) = (initial value) · (ratio)^(t/(time to achieve that ratio))

Here, we have an intial value of $100, and a ratio of $184.50/$100 = 1.845. The time to achieve that multiplication is 10 years (1967 to 1977). So, the equation can be written ...

... f(t) = 100·1.845^(t/10)

(b) You want to find f(38).

... f(38) = 100·1.845^(38/10) = 100·1.845^3.8 ≈ 1025.15 . . . dollars

6 0
3 years ago
? Help
svlad2 [7]

Answer:

9

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
BEST ANSWER BRAINIEST 40 POINTS!!!!! 1. This problem is unique to you. Pretend that you would like to buy something, but you mus
inysia [295]

Answer:

answer down below.

Step-by-step explanation:

hi!

a) i choose to buy a $50 gift card as a birthday gift. (i included an image)

b) my item costs $50, so i have to borrow that much money.

c) 50-6(4)

50-24

$26

after four weeks, i owe my family member $26.

d) 50-6x=0

-6x=-50

x=8.33...

it will take me 8.33... (so 9) weeks to repay my loan.

7 0
3 years ago
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