3 years ago

Can a greatest integer function be part of a piecewise defined function?

Mathematics

1 answer:

Papessa [141]3 years ago

3 0

I think yes but don't believe me

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The diameter of a spindle in a small motor is supposed to be 4.1 millimeters (mm) with a standard deviation of 0.1 mm. If the sp

adoni [48]

Answer:

The null hypothesis is $H_0: \mu = 4.1$

The alternate hypothesis is $H_a: \mu \neq 4.1$

Step-by-step explanation:

The diameter of a spindle in a small motor is supposed to be 4.1 millimeters

This means that the null hypothesis is that the diameter has the supposed value, that is, $H_0: \mu = 4.1$

If the spindle is either too small or too large, the motor will not work properly. The manufacturer measures the diameter in a sample of 41 spindles to determine whether the mean diameter has moved away from the required measurement.

Tests if it has moved away, that is, if the mean is different from the specified value of 4.1. So the alternate hypothesis is $H_a: \mu \neq 4.1$

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3 years ago

What is the solution set for the following equation? 3x^2+11x+10=0

USPshnik [31]

Answer:

x= -5/3, -2

Step-by-step explanation:

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3 years ago

Find the length of side BC. Round your answer to the nearest tenth.

Gwar [14]

Answer: 5.4

Step-by-step explanation:

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3 years ago

Determine whether y varies directly with x. If so, find the constant of variation k. 7y = –x

fomenos

Answer:

Step-by-step explanation:

The equation of quantities in direct variation is

y = kx ← k is the constant of variation

Given

7y = - x ( divide both sides by 7 )

y = - $\frac{1}{7}$ x ← in direct variation form

with k = - $\frac{1}{7}$

3 0

3 years ago

Read 2 more answers

I need help on this also could I get an explanation on how you solved it? Please don't take my points ill get u banned. :P

kenny6666 [7]

Answer:

1/2

Step-by-step explanation:

4 is the total right and 5/7 make it half so it will be 1/2. hope this helps!

6 0

3 years ago

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