3 years ago

Write an addition or subtraction fact.then write a strategy you could use to add or subtract.

Mathematics

1 answer:

elena-s [515]3 years ago

8 0

30+8=38
0+8=8
3+nothing=3

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An equation is shown below: −2(4x − 1) − 7 = 5 Which statement shows a correct next step in solving the equation? A)The equation

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The total cost for a production process is equal to $1,000 plus two times the number of units produced. The mean and variance fo

Andrej [43]

Answer:

$\mu_p=2000\\\\\sigma_p^2=3600$

Step-by-step explanation:

Let X be the number of units produced, and P be the cost of production.

#Given that $\mu_x=500, \sigma_x^2=900$

Cost of production can be calculated as:

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Hence, the mean cost of production is $2,000

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$\sigma_p^2=2^2\sigma_x^2\\\\=2^\times 900\\\\=3600$

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3 years ago

Witch expression is the factorization of x2+10x+21

Alenkasestr [34]

Answer:

x^2 +x(7+3) +21

x^2 +7x + 3x +21

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