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Pavlova-9 [17]
3 years ago
8

You purchase a desk for 60% of the original price p. This price is $32 less than the original price. write an equation

Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0
x-original\ price\\60\%x-price\ after\ discount\\\\60\%x=x-32\\\\0.6x-x=-32\\-0.4x=-32\\x=80\\\\60\%x=48
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Simplify completely 12 times x to the third power minus 4 times x to the 2nd power plus 8 times x all over negative 2 times x.
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What do you do if you have 9 times 2
OlgaM077 [116]

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The blood platelet counts of a group of women have a​ bell-shaped distribution with a mean of 256.3 and a standard deviation of
AnnyKZ [126]

Answer:

a) In the interval  (  55,9  ;   456,7 ) we will find 99,7 % of all values

b) In the interval  (  122,7  ;  389,9 ) we find 95,4 % of all values

Step-by-step explanation:

For a Normal distribution N (μ ; σ ) the Empirical rule establishes that the intervals:

( μ  ±  σ  )          contains 68,3 % of all values

( μ  ±  2σ  )        contains 95,4 % of all values

( μ  ±  3σ  )        contains 99,7 % of all values

If   N ( 256,3 ; 66,8 )

σ  =  66,8        ⇒   3*σ  = 3 * 66,8  = 200,4

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And        256,3 + 200,4 = 456,7

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b) 2*σ  = 2 * 66,8  = 133,6

Then  256,3 - 133,6  = 122,7

And    256,3 + 133,6 = 389,90

Then in the interval  (  122,7  ;  389,9 ) we find 95,4 % of all values

4 0
3 years ago
#Brainly Please help me with this question
zavuch27 [327]
= 2^-16 * 5^10 * (5^-8 / 2^12) * 2^28
= 2^-28 * 5^2 * 2^28
= 5^2
= 25

hope it helps
8 0
3 years ago
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