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krek1111 [17]
4 years ago
6

For his business, gil has determined that the time it takes to finish a job varies iversely with the number of workers. this can

be expressed where t= time,k=constant and w= number of workers. Gil's records show that 18 workers can finish a job in 6 days. how many days will it take 12 workers to do the same job.​
Mathematics
1 answer:
Vinvika [58]4 years ago
5 0

I believed its 4 days

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A least squares regression line was created to predict the Exam 3 score of STA 2023 students based on their Exam 1 score. The st
masya89 [10]

Answer:

a) 0.54

Step-by-step explanation:

The correlation coefficient can be found by taking square root of R-squared value and the sign of correlation coefficient can be assessed by considering the sign of slope value. So,

r²=28.8%=28.8/100=0.288

r=\sqrt{r^{2} }=\sqrt{0.288}=0.5367

By rounding to two decimal places the correlation coefficient

r=0.54

We can see that slope=0.4845 has positive sign so, the correlation coefficient contains the positive sign.

Hence the correlation coefficient r=0.54.

6 0
3 years ago
Two right triangles on a coordinate plane are similar but not congruent.Each of the legs of both triangle are extended by 1 unit
salantis [7]

Virtually every time you try this stunt, the new triangles
are NOT similar.

Example:

Triangle A₀ . . . legs = 3 and 4;  hypotenuse = √25  = 5 .
Triangle B₀ . . . legs = 6 and 8;  hypotenuse = √100 = 10 .

Ratio of short legs = 6/3 = 2
Ratio of long legs  = 8/4 = 2
Ratio of hypotenuses = 10/5 = 2
The triangles are similar. 

Add 1 unit to all legs:

Triangle A₁ . . .  legs = 4 and 5;  hypotenuse = √41
Triangle B₁ . . .  legs = 7 and 9;  hypotenuse = √130

Ratio of short legs = 7/4 = 1.75
Ratio of long legs  = 9/5 = 1.8
Ratio of hypotenees = √(130/41) = 1.78 .

New triangles are NOT similar.

I think this ONLY works when the original triangles are
congruent, so the ratio of their similarity is 1:1. 
When each leg of both triangles is extended by the same
amount, they are still congruent.
 
But the question stipulates that they are NOT congruent.
So the answer to the question is:   No.  Never.
 
7 0
3 years ago
Read 2 more answers
What multiplication question is equivalent to -6 + (-6) + (-6)
Trava [24]
The second option…………
6 0
3 years ago
True or false: the basic rate can be calculated by dividing the basic wage by the hours worked? ​
kati45 [8]

Answer

true

Step-by-step explanation:

Divide the total earnings for the workweek, including earnings during overtime hours,

4 0
3 years ago
Read 2 more answers
The length of each side of an equilateral triangle is increased by 6 inches, so the perimeter is now 60 inches. What was the ori
Nimfa-mama [501]

Answer:

14 inches

Step-by-step explanation:

Using this information, we can form an equation.

Since there are 3 sides in a triangle, and each side increased by 6, that means that the perimeter increased by 18 inches. Down below, I did 3x because there are 3 sides in a triangle.

(This is the equation you'd want to do to get the answer)

3x + 3 * 6 = 60

Simplify:

3x + 18 = 60

Same to both sides

3x = 42

Isolate x:

x = 14

Let me know if you have any questions

8 0
3 years ago
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