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4 years ago

Simplify 3a+2ab-6a+2b-ab

1 answer:

3 0

3a + 2ab - 6 + 2b - ab

First, gather like terms. / Your problem should look like: (3a - 6a) + (2ab - ab) + 2b
Second, simplify. / Your problem should look like: -3a + ab + 2b

Answer: -3a + ab + 2b

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1. Delia brushes her teeth 1/6 hour each day.

Roman55 [17]

Answer:

PART A: 28 hours, PART B: 16800 minutes

Step-by-step explanation:

Delia Brushes her teeth = 1/6 hour

PART A

Total Week= 1 week

Total number of days in a week= 7 days

Total number of hours in a day= 24 hours

Total number of hours in a week= 24× 7 hours

Total number of hours in a week= 168 hours

Number of hours that Delia brushes her teeth = $\frac{1}{6}$ × 168 hours

Number of hours that Delia brushes her teeth = 28 hours

Hence, the correct answer is 28 hours

PART B

Total number of days in a week= 7 days

Total number of hours in a week= 168 hours

Total number of minutes in a week= 168 × 60

Total number of hours in a week= 100800 Minutes

Number of minutes that Delia brushes her teeth = $\frac{1}{6}$ × 100800

Number of hours that Delia brushes her teeth = 16800 minutes

Hence, the correct answer is 16800 minutes

4 0

3 years ago

(PLEASE HELP) Question is worth 30 points:) The following function represents the production cost F(x) In dollars for x numbers

soldi70 [24.7K]

Answer:

production cost f(x), in dollars, for x number of units produced by company 1:

f(x) = 0.05x^2 − 7x + 300

2) Table that represents the production cost g(x), in dollars, for x number of units produced by company 2:

x g(x)

0.6 899.58

0.8 899.52

1 899.50

1.2 899.52

1.4 899.58

3) Comparison: do a table for f(x) with the same x-values of the table for g(x).

x f(x) = 0.05x^2 − 7x + 300 g(x)

0.6 295.818 899.58

0.8 294.432 899.52

1 293.05 899.50

1.2 291.672 899.52

1.4 290.298 899.58

As you can see the values of f(x) are consistently lower than the values of g(x) for the same x-values.

The minimum production cost for company 2 is around 899.50 at x = 1, while the minimum production cost of company 1 is defintely lower (lower than 292.298 for sure, in fact if you find the vertex it is 55).

Answer: Based on the given information, the minimum production cost for company 2 is greater.

Step-by-step explanation:

5 0

3 years ago

Which graph represents the solution to the inequality?1/3(9x+27)>x+33

Alik [6]

Answer:

Pretty sure it is C

Step-by-step explanation:

6 0

3 years ago

24. Janelle has 342 pennies, 62 nickels,

mixer [17]

Answer:

$7.72

Step-by-step explanation:

62×5=310. 12×10=120. Add all that up and you get $7.72

6 0

3 years ago

Read 2 more answers

Simplify this expression 6(a)^0(a)^-2

tamaranim1 [39]

Answer:

6a^-2

Step-by-step explanation:

6(a)^0(a)^-2

= 6(a)^0-2

= 6(a)^-2

3 0

4 years ago

Read 2 more answers