3 years ago

Find x. Round your answer to the nearest tenth of a degree.

Mathematics

1 answer:

solniwko [45]3 years ago

7 0

Answer:

Step-by-step explanation:

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Step by step what is 2z+7z-z+5

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If f ( x ) = 1 3 x − 5 , what is f ( − 6 ) ?

RoseWind [281]

Answer:

-4

Step-by-step explanation:

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3 years ago

Aline crosses the coordinates (-4,4) and (2.-5). What is the slope<br> of the line?

lisabon 2012 [21]

Answer:

Step-by-step explanation:

Use the slope formula:

$m = \frac{y2 -y1}{x2 - x1}$

where m = slope

Given the coordinates

(-4, 4) ---> this means x1 = -4 , y1 = 4

(2, -5) ---> this means x2 = 2 , y2 = -5

Substitute these values into the slope formula:

$m = \frac{y2 -y1}{x2 - x1}$

$m = \frac{-5 -4}{2 - (-4)} = \frac{-9}{2+4} = \frac{-9}{6} = \frac{-3}{2}$

4 0

3 years ago

Find the value of z such that 0.96420.9642 of the area lies between −z−z and z. round your answer to two decimal places.

Brut [27]

If z represents the variable of the standard normal distribution curve N(0,1), which is symmetrical about z=0, then we look for
P(z)-P(-z)=0.9642=1-2P(-z) => P(-z)=(1-0.9642)/2=0.0179
=>
-z=-2.099192
=> z=2.099192
Check:
P(2.099192)-P(-2.099192)=0.9642 ok

7 0

3 years ago