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kenny6666 [7]
3 years ago
10

Which expression is equivalent to (5x10^-3)+(6x10^-3)/22x10^4

Mathematics
1 answer:
Alisiya [41]3 years ago
4 0

I dont know  

23423423423423324234234234234

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The length of a text messaging conversation is normally distributed with a mean of 2 minutes and a standard deviation of 0.5 min
Hitman42 [59]
Given:
μ = 2 min, population mean
σ = 0.5 min, population standard deviation

We want to find P(x>3).

Calculate the z-score
 z= (x-μ)/σ = (3-2)/0.5 = 2

From standard tables, obtain
P(x ≤ 3) = P(z ≤ 2) = 0.9772
Therefore
P(x > 3) = P(z > 2) = 1 - 0.9772 = 0.0228

Answer: 0.02275
8 0
3 years ago
Lamont works for an electric utility and is installing a 40 foot utility pole as shown. Lamont drills the anchor of a support ca
otez555 [7]
Kindy Refer to your text book!
4 0
3 years ago
22 - [1/2 • (5 x 4) + 4]​
Montano1993 [528]
8 because you do the multiplication which is 20 and multiply 20 by 1/2 which is 10 then add 4 which is 14. then 22-14 is 8.
3 0
3 years ago
If (-3)^-5 =1/x, what is the value of x?
iragen [17]
\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{  n}}}\implies \cfrac{1}{a^{-{{  n}}}}\\\\
-------------------------------\\\\
%(-3)^-5 =1/x,
(-3)^{-5}=\cfrac{1}{x}\implies \cfrac{1}{(-3)^5}=\cfrac{1}{x}\implies 1\cdot x=(-3)^5\cdot 1\implies x=(-3)^5
\\\\\\
x=(-3)(-3)(-3)(-3)(-3)\implies x=-243
7 0
2 years ago
733 times 60 and work it out on your asnwcer plzz
grin007 [14]

Answer:

<em>733 x 60 = </em><em>43,980.</em>

Step-by-step explanation:

Another way to do this equation is by <em>adding 733 by itself 60 times.</em>

5 0
3 years ago
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