What is the best estimate for the sum of 3/8 and 1/12

Answers

Answer 1

Answer: 3/8 + 1/12 = 11/24

Just add straight across

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Solve 3x+2y=5 and x+y=3 as a graph, substitution, or elimination?

3x-x-5=2(x+2)-9 what is the answer to x

Answers

Answer:

(-infinity, infinity) or all real numbers

Step-by-step explanation:

Plz help with these two question.The ages of 10 workers at a factory are shown. What is the mean absolute deviation for the group (round to the nearest tenth)?
A) 10.3
B) 12.7
C) 40.4
D) 127.8

The scatter plot shows a regression line of advertising dollars spent and sales. If the company were to spend $350,000 on advertising, what would be the predicted sales?
A) $116 million
B) $120 million
C) $118 million
D) $122 million

Answers

For number 1: you would add all the ages together, 23+19+50+49+67+34+30+59+40+33=404 and then divide that by how many workers(10) 404 divided by 10=40.4 and that is already rounded to the nearest tenth. So the answer to number 1 would be C. 40.4. Number 2: I'm just guessing but because the line on the graph shows is at around B) and C) is looks closer to $122 million, so I would go with D. $122 million

The scale on a map is 1in = 0.5 mi the distance between two towns on the map is 5.5 what is the actual distance between the two towns

Answers

if one inch is equal to 0.5 and the map shows that they are 5.5 inches away then we can multiply 5.5 by 0.5, which will give us 2.75 miles

Solve for t in the equation below

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Anything raised to the zero is 1... so it doesn't really matter what is in the parentheses, because it's all raised to the zero and equals 1. That means..

(t^1/3 - t^5/3 + t^3/4)^0 = 2 root t

is the same as

1 = 2 root t square both sides
1^2 = (2 root t)^2
1 = 4t divide each side by 4

1/4 = t

24a^2b^2-18ab I need to factor this but am having trouble?

Answers

24a^2b^2-18ab
Factor this by their GCF which is 6ab
6ab(4ab-3)

the speed a car travels is inversely proportional to the time it takes to complete a 100 mile trip. which of the following graphs best represents this situation