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3 years ago

What is the value of the expression?

Mathematics

1 answer:

melisa1 [442]3 years ago

3 0

Answer:

2/0 or infinity

Step-by-step explanation:

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Help<br> Help help help help

Shkiper50 [21]

Answer:

Step-by-step explanation:

$(2^{3})^{3} = 2^{3*3}=2^{9}\\\\\\(\dfrac{4^{2}}{5^{3}})^{3} = \dfrac{(4^{2})^{3}}{(5^{3})^{3}}=\dfrac{4^{6}}{5^{9}}\\\\\dfrac{3^{6}}{3^{3}}=3^{6-3}=3^{3}\\\\\\a^{m}*a^{n}=a^{m+n}\\\\(a^{m})^{n}=a^{m*n}\\\\\dfrac{a^{m}}{a^{n}}=a^{m-n}$

4 0

3 years ago

The life of light bulbs is distributed normally. The variance of the lifetime is 900 and the mean lifetime of a bulb is 520 hour

Alex73 [517]

Answer:

0.969

Step-by-step explanation:

Given that:

Mean lifetime (m) = 520 hours

Variance = 900

Hence, standard deviation (s) = √900 = 30

Probability that bulb will last for at most 576 hours

X ≤ 576

Obtain the standardized score :

Using the relation :

Zscore = (x - m) / s

Zscore = (576 - 520) / 30

Zscore = 56 / 30

Zscore = 1.867

P(Z ≤ 1.867) : using the z probability calculator ;

P(Z ≤ 1.867) = 0.96905

Hence, P(Z ≤ 1.867) = 0.969

8 0

3 years ago

What is 14 2/3 divided by 2 3/4

masya89 [10]

5.3 repeating, I believe.

3 0

4 years ago

Read 2 more answers

Please help me fasttttttttt

prohojiy [21]

X = 60 degrees
Y = 60 degrees
Z = 40 degrees

6 0

3 years ago

Which point slope form equations could be produced with the points (3,2) and (4,6)

Anika [276]

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of a line given two points first find the slope of the line and use the formula

y - y1 = m( x - x1) to find the Equation of the line using any of the points given

Slope of the line using points

(3,2) and (4,6) is

$m = \frac{6 - 2}{4 - 3} = \frac{4}{1} = 4$

So the equation of the line using point

( 3 , 2 ) and slope 4 is

Hope this helps you

7 0

3 years ago