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IgorC [24]
3 years ago
11

Instructions:Drag the tiles to the correct boxes to complete the pairs. Match each description to the correct relationship betwe

en the variables.
TILES:
an increase in the number of movies produced in a year and growth of the pharmaceutical industry
an increase in the number of defects on a bolt of fabric and a decrease in the number of quality checks
an increase in life expectancy and a decrease in fatal illnesses
PAIRS:
correlation
causation
no relationship
Mathematics
2 answers:
Snowcat [4.5K]3 years ago
7 0
<span>An increase in life expectancy and a decrease in fatal illnesses (correlation)

</span><span>An increase in the number of defects on a bolt of fabric and a decrease in the number of quality checks (causation)

</span><span>An increase in the number of movies produced in a year and growth of the pharmaceutical industry (no relationship) </span>
Alborosie3 years ago
6 0

Answer:


Step-by-step explanation:

An increase in life expectancy and a decrease in fatal illnesses (correlation)

Reason: Because we are measuring the relationship between the two variables i) life expectancy time and ii) decreases in fatal illnesses.

Obviously the two are strong positively correlated and hence correlation is matched

An increase in the number of defects on a bolt of fabric and a decrease in the number of quality checks (causation)

Here when number of quality checks is decreased, control is lost leading to more number of defects.  Hence causation is matched.

An increase in the number of movies produced in a year and growth of the pharmaceutical industry (no relationship) 

Here industries of movies has no control or relation with pharmaceutical industry.  Hence no relationship is answer.

Read more on Brainly.com - brainly.com/question/10618837#readmore

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four fifths of senior class went to prom. if 324 seniors went to prom, how many are there in the senior class
konstantin123 [22]

Answer:

The answer to your question is 405, because look divide 324 by 4 becasue thats how many fifths are being used then multiply the answer which is 81 by 405


Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
A welder produces 7 welded assemblies during the first day on a new job, and the seventh assembly takes 45 minutes (unit time).
likoan [24]

Answer:

(a). 72.9%.

(b). 13.6 hr.

Step-by-step explanation:

So, we are given the following data or parameters or information which is going to assist us in solving this question/problem;

=> "A welder produces 7 welded assemblies during the first day on a new job, and the seventh assembly takes 45 minutes (unit time). "

=> The worker produces 10 welded assemblies on the second day, and the 10th assembly on the second day takes 30 minutes"

So, we will be making use of the Crawford learning curve model.

T(7) + 10 = T (17) = 30 min.

T(7) = T1(7)^b = 45.

T(17 ) = T1(17)^b = 30.

(T1) = 45/7^b = 30/17^b.

45/30 = 7^b/17^b = (7/17)^b.

1.5 = (0.41177)^b.

ln 1.5 = b ln 0.41177.

0.40547 = -0.8873 b.

b = - 0.45696.

=> 2^ -0.45696 = 0.7285.

= 72.9%.

(b). T1= 45/7^ - 045696 = 109.5 hr.

V(TT)(17) = 109.5 {(17.51^ - 0.45696 – 0.51^ - 0.45696) / (1 - 0.45696)} .

V(TT) (17) = 109.5 {(4.7317 - 0.6863) / 0.54304} .

= 815.7 min .

= 13.595 hr.

8 0
3 years ago
Pls help! 50 POINTS!
nirvana33 [79]

Answer:

See below.

Step-by-step explanation:

1)

So we have the equation:

2x+3y=1470

To change into the slope-intercept form, we need to isolate the y-variable. Thus, subtract 2x from both sides:

(2x+3y)-2x=(1470)-2x

The left side cancels:

3y=1470-2x

Now, divide both sides by 3. The left side cancels:

(3y)/3=(-2x+1470)/3\\y=-\frac{2}{3} x+490

The slope-intercept form is:

y=mx+b

Where m is the slope and b is the y-intercept.

Thus, the slope is -2/3 and the y-intercept is 490.

2)

So, since we already know the y-intercept is 490, plot a point at (0,490).

The slope is too small to use. Thus, multiply the fraction by 100. It is now (-200/300). This means that we move <em>down</em> 200 for every 300 (recall that the slope means rise over run. Thus, we move down 200 for every 300 to the right). Thus, another possible point would be (0+300,490-200) or (300,290). Plot that. Then, connect them.

3)

To write in in function notation, simply substitute the y-variable for the function notation. Our independent variable here is x so we'll use that.

y=-\frac{2}{3}x+490\\ f(x)=-\frac{2}{3}x+490

This means that for every x sandwiches made, there is f(x) wraps made for the total sum to be $1,470.

For example, if 105 sandwiches were made, then f(105)=-2/3(105)+490=420 wraps were made for the total profit to be $1,470.

4)

Please refer to the attached graph.

5)

First, since the total profit has now increased, the graph above and to the right of the old graph. This is because Sal needs to sell more sandwiches and wraps. Likewise, because of this, the x- and y-intercepts will also be different. Nevertheless, if converted into the slope-intercept equation, the slope will remain the same.

5 0
3 years ago
Read 2 more answers
Which equivalent four-term polynomial can be created
Korvikt [17]

Answer:

x2 + 12x + 4x + 48

Step-by-step explanation:

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6 0
3 years ago
Standard form of two hundred ten million, sixty four thousand,fifty
neonofarm [45]
We have to write the standard form of : two hundred ten million, sixty four thousand , fifty.
210 * 10,000,000 + 64 * 10,000 + 50
Answer:
The standard form is  210,064,050.
7 0
3 years ago
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