2 years ago

Which expression is equivalent to (x^-6/x-2)^3

Mathematics

1 answer:

artcher [175]2 years ago

3 0

Answer:

= (6/x - 2)^3

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The average speed of a car driving down freeway is 70mph with a standard deviation of 5mph. Thid speed is normally distributed.

ikadub [295]

Answer:

0.081,0.2621,0.645,0.919

Step-by-step explanation:

Let X be the average speed of a car driving down freeway

Given that X is normal with mean as 70mph with a standard deviation of 5mph.

To convert to Z score we do

$Z =\frac{x-70}{5}$

a) the probability that a randomly selected car is driving more than 77mph

$=P(X>77)\\=P(Z>1.4)\\=0.081$

b) probability that a randomly selected car is driving between 65 and 69 mph

= $P(-1$

c) the probability that a randonly selected car is driving between 67 and 77mph

= $P(-0.6$

d) the probability that a randomly selected car is driving less than 77mph

$=P(Z$

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3 years ago

Please help i’ll give brainliest

lbvjy [14]

Answer:

Matter in living things may pass into nonliving things.

Step-by-step explanation:

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2 years ago

If a shop earns a profit of 1300 on every heater sold and incurs a loss of 1800 on every fan sold, find out its total profit/ lo

erastovalidia [21]

Answer:

Total profit is 26,900.

Explanation

If the profit for selling a heater is 1300 than the profit of selling 25 heaters is 32500.

If the loss of selling a fan is 800 than the loss of selling 7 fan is 5600.

Minus 32500 with 5600 to get the profit.

26,900

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3 years ago

Simplify the expression (show ur work)

ipn [44]

Answer:

Step-by-step explanation:

$\sqrt[3]{125y^9z^6}\\ \\ \sqrt[3]{5^3(y^3)^3(z^2)^3}\\ \\ 5y^3z^2$

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3 years ago

Read 2 more answers

5x6 = (_X 6) + (2x_)

kati45 [8]

Answer:

Step-by-step explanation:

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3 years ago