Why is Write an Equation a good strategy for solving this problem?

Mathematics

1 answer:

kenny6666 [7]3 years ago

5 0

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At a manufacturing company for medical supplies, machines produce parts used in highly specialized lasers. Company researchers a

vodomira [7]

Answer:

A) Increase the significance level to increase the probability of a Type I error

Step-by-step explanation:

According to the information of the problem we can say that the researchers have the difficulty with a test that is evaluating a machine, which works well but the test does not get to verify this information correctly, we have that the null hypothesis is that the new machine does not improve precision, so the risk of the researchers is to accept the hypothesis when it is false, what is called type II error, to avoid this, the level of significance should be increased, which in turn would increase the probability of type I error. , so the correct answer is A.

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3 years ago

Jessica's yearly cost to rent her apartment is $6.300. Which equation represents the total cost of rent per year, c, based on th

Reptile [31]

I’m gonna go with B, 525m=c

Explanation:
m represents months
c represents total cost

C has to be on its own side of the equation for one. m is the number of months and you multiply this by the cost per month to find the total cost.

Hope this makes sense!!

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3 years ago

What is the equation of the line that passes through the point (3, 0) and is perpendicular to the line 2x – y = 5?

Lisa [10]

Answer:

$\large\boxed{y=-\dfrac{1}{2}x+\dfrac{3}{2}}$

Step-by-step explanation:

$\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\============================\\\\\text{We have}\ 2x-y=5.\\\\\text{Convert to the slope-intercept form y = mx + b:}\\\\2x-y=5\qquad\text{subtract 2x from both sides}\\\\-y=-2x+5\qquad\text{change the signs}\\\\y=2x-5\to m_1=2\\\\\text{Therefore}\ m_2=-\dfrac{1}{2}.$

$\text{The equation of the searched line:}\ y=-\dfrac{1}{2}x+b.\\\\\text{The line passes through }(3,\ 0).\\\\\text{Put the coordinates of the point to the equation.}\ x=3,\ y=0:\\\\0=-\dfrac{1}{2}(3)+b\\\\0=-\dfrac{3}{2}+b\qquad\text{add}\ \dfrac{3}{2} \text{to both sides}\\\\b=\dfrac{3}{2}$

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4 years ago

Part of a hundredths grid is shown.

lisabon 2012 [21]

Answer:

d b c

Step-by-step explanation:

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3 years ago

Tavon has a gift card for $45 that loses $2 for each 30-day period it is not used. He has another gift card for $35 that loses

leva [86]

Answer:

Step-by-step explanation:

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4 years ago