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Lelechka [254]
3 years ago
8

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.

Dear student,

I am waiting for your feedback. I have given my 100% to solve your queries. If you satisfied with my answer then please please like this.

Thank You

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
Read 2 more answers
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:

C

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
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