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3 years ago

The number of accidents in a factory for each month is provided:

Mathematics

1 answer:

defon3 years ago

5 0

Answer:

Above problem we can solve using chi-square test of goodness of fit.

Therefore, 3rd option is correct.

Chi-square test for goodness of fit.

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Step-by-step explanation:

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7. Which property of polynomials says that the sum of two polynomials is also a polynomial?

vlabodo [156]

Answer:

Closure property

Step-by-step explanation:

The closure property of polynomials for addition says that, if we add any two polynomials , the result is also a polynomial.

For is

${x}^{2} + 2$

is a polynomial.

$x - 2$

is also a polynomial.

The sum of the two polynomials is

${x}^{2} + 2 + x - 2 = {x}^{2} + x$

The result:

${x}^{2} + x$

is also a polynomial.

4 0

3 years ago

A pediatricians office tracks the age (in months) in which 25 babies begin to walk. Use the dot plot at the right to answer the

OLEGan [10]

Answer:

A pediatricians office tracks the age (in months) in which 25 babies begin to walk

3 0

2 years ago

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A swim team ordered 36 jackets that each cost the same amount. The total cost of the order was $1,116. Let c be the cost of each

nikdorinn [45]

Answer:

Step-by-step explanation:

1116 / 36 = 31

hope this helps

8 0

3 years ago

Read 2 more answers

The question is below

Anna35 [415]

Answer:

12) A = 27

13) B = 36

14) C = 25

15) D = 30

Step-by-step explanation:

We need to complete the ratio tables

We are given:

Footballs 15 5 20 C D

Baseballs A 9 B 45 54

The table shows the ratio of footballs to baseballs.

We are given the ratio $\frac{Football}{Baseball}=\frac{5}{9}$

All other ratios will also be simplified to get $\frac{5}{9}$

12) Calculate A

Footballs = 15

Baseballs = A

Common ratio is 5/9, we need to find a number that multiplies by 5 to get 15, same number will be multiplied by denominator to get A.

We know that $\frac{5\times3}{9\times3}= \frac{15}{27}$

So, A = 27

13) Calculate B

Footballs = 20

Baseballs = B

Common ratio is 5/9, we need to find a number that multiplies by 5 to get 20, same number will be multiplied by denominator to get B.

We know that $\frac{5\times4}{9\times4}= \frac{20}{36}$

So, B = 36

14) Calculate C

Footballs = C

Baseballs = 45

Common ratio is 5/9, we need to find a number that multiplies by 9 to get 45, same number will be multiplied by numerator to get C.

We know that $\frac{5\times5}{9\times5}= \frac{25}{45}$

So, C = 25

15) Calculate D

Footballs = D

Baseballs = 54

Common ratio is 5/9, we need to find a number that multiplied by 9 to get 54, same number will be multiplied by numerator to get D.

We know that $\frac{5\times6}{9\times6}= \frac{30}{54}$

So, D = 30

8 0

3 years ago

Name the line of symmetry in this rectangle.

grigory [225]

The answer is n trust me.

4 0

3 years ago

Read 2 more answers