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sergejj [24]
3 years ago
14

When 6 is added to the number that is produced by tripling the number x, the result is equal to 2 times the number that is 3 les

s than x. What is the value of X?
Mathematics
1 answer:
Nikitich [7]3 years ago
3 0
So..

3x+6=2(x-3)   distribute
3x+6=2x-6      combine like terms
x=-12      solution
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N a​ region, there is a 0.70.7 probability chance that a randomly selected person of the population has brown eyes. assume 1414
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'll use the binomial approach. We need to calculate the probabilities that 9, 10 or 11 
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<span>(11 C 9)(0.8)^9*(0.2)^2 + (11 C 10)(0.8)^10*(0.2)^1 + (11 C 11)(0.8)^11*(0.2)^0 = </span>

<span>0.2953 + 0.2362 + 0.0859 = 0.6174, or about 61.7 %. Since this is over 50%, it </span>

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<span>Note that (n C r) = n!/((n-r)!*r!). So (11 C 9) = 55, (11 C 10) = 11 and (11 C 0) = 1.</span>
8 0
3 years ago
ASAP! GIVING BRAINLIEST! Please read question 10 THEN answer correctly! No guessing.
o-na [289]

Answer:

x=35

Step-by-step explanation:

62+2x+(x+13)=180

62+2x+x+13=180

3x+75=180

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3x=105

x=35

5 0
3 years ago
There are 144 pencils in a box. If each member of the class gets 8 pencils, there will be no pencils left over. How many members
kotykmax [81]

Answer:18

Step-by-step explanation:

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3 years ago
Paula's house is assessed at $213,000, and her property tax rate is 2.9%. How
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Answer:A

Step-by-step explanation:

She is taxed at a rate of 2.9%, so each year she is taxed 213000 * 2.9% . calculating this, we find that every year, she must pay 6177 in taxes. However, we need the amount in a month, so we divide by 12, to get 6177/12= 514.75, or A

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3 years ago
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For the rhombus, what are the slopes of the two diagonals? DO NOT introduce any new variables.
Jobisdone [24]

The slopes of the two diagonals of the rhombus are: A. b - f/a - e and -a + e/b - f.

<h3>What is the Slope of a Line Segment?</h3>

To find the slope, the formula used is: change in y/change in x.

If two lines are perpendicular to each other, their slope values will be negative reciprocals.

<h3>What is the Diagonals of a Rhombus?</h3>

In a rhombus, the two diagonals in the rhombus bisects each other at angle 90 degrees. This means that the two diagonals of a rhombus are perpendicular to each other. Therefore, the slope of the diagonals of any rhombus would be negative reciprocals.

The slope of the diagonals of the rhombus given would therefore be negative reciprocals to each other.

Given two endpoints of one of the diagonals as:

(a, b) = (x1, y1)

(e, f) = (x2, y2)

Slope (m) = change in y / change in x = b - f/a - e

The negative reciprocal of b - f/a - e is -a + e/b - f.

Therefore, the slopes of the two diagonals are: A. b - f/a - e and -a + e/b - f.

Learn more about the slopes of diagonals of a rhombus on:

brainly.com/question/3050890

#SPJ1

5 0
1 year ago
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