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sesenic [268]
2 years ago
15

Hi guys, please help me in math this is simple MATH:45+6-6​

Mathematics
2 answers:
Nimfa-mama [501]2 years ago
6 0

Answer:

45

Step-by-step explanation:

45+6=51

51-6=45

Another method:

6-6=0

45+0=45

Inga [223]2 years ago
5 0

Answer:

45

Step-by-step explanation.

45+6=51-6=45

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A different class has 285 students, and 51.2% of them are men. how many men are in the class?​
Zanzabum

Answer:

146

Step-by-step explanation:

Get a percent calculator, Then, you put 51.2% of 285 and you actually get 145.96 but the rounded of what you need is 146

6 0
3 years ago
Factorise and solve : x^3-x^2-4x+4
Alika [10]

(x - 1)(x - 2)(x + 2)

note that the sum of the coefficients 1 - 1 - 4 + 4 = 0

thus x = 1 is a root and (x - 1 ) is a factor

dividing x³ - x² - 4x + 4 by (x - 1)

x³ - x² - 4x + 4 = (x - 1)(x² - 4 ) (note (x² - 4 ) is a difference of squares )

x³ - x² - 4x + 4 = (x - 1)(x - 2)(x + 2)

(x - 1)(x - 2)(x + 2 ) =0

x - 1 = 0 ⇒ x = 1

x - 2 = 0 ⇒ x = 2

x + 2 = 0 ⇒ x = - 2

solutions are x = 1 or x = ± 2



6 0
3 years ago
Are the brackets correct
Irina-Kira [14]

Answer:

The domain is correct

but the correct range is (-3 , 2)

3 0
2 years ago
Read 2 more answers
Who became president after the 1876 presidential election?<br> Nfnf
REY [17]

Answer:

Rutherford B. Hayes

Step-by-step explanation:

It was controversial, however Hayes was declared the winner of the election.

7 0
3 years ago
​A manager wants to know if the mean productivity of two workers is the same. For a random selection of 30 hours in the past​ mo
vekshin1

Answer:

A.The data should be treated as paired samples. Each pair consists of an hour in which the productivity of the two workers is compared.

Explanation:

If the mean productivity of two workers is the same.

For a random selection of 30 hours in the past month, the manager compares the number of items produced by each worker in that hour.

There are two samples and the productivity of the two men is paired for each hour.

7 0
3 years ago
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