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son4ous [18]
3 years ago
15

During the past year in the maternity ward of a hospital in a large city, 1,254 males were born and 1,462 females. If we can ass

ume this data is representative of all births in the city, what is the probability that the next baby born in this particular hospital will be a boy? What is the probability that it will be a girl? give your answer as fractions reduced to lowest terms.
Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0
\frac{1,254}{1,254+1,462} /  \frac{1,462}{1,254+1,462}\\ \frac{1,254}{2,716} / \frac{1,462}{2,716}\\\frac{627}{1,358} /  \frac{731}{1,358}

Chance of boy: 627/1,358

Chance of girl: 731/1,358
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I need help on this thx ​
Anuta_ua [19.1K]
Answer: x = 75

Explanation: Basically, the three angles of the triangle add up to 180 degrees. The bottom left angle is ninety degrees. (You can figure that out by looking at the symbol that looks like a square in the bottom left angle of the triangle.) If you see that in other problems it means that that angle equals 90 degrees. To find the bottom right angle, you take 165 and subtract it from 180 because the diagonal line intersects the line that is going horizontally. That would give you 15. You can check this by adding 15 and 165 and you know that you’re right if you get 180. That gives you two angles. As I said in the beginning, the three angles of the triangle should add up to 180. Now you have 90 degrees and 15 degrees. You add those two and you get 105. Now all you have to do is subtract 105 from 180. You should get 75. You can check if you get the right answer by adding 90, 15, and 75 together. If you get 180 then you are correct. If you don’t get 180 then you did something wrong and should do the problem again. Sorry for the long paragraph, I wanted to get all the details in in case you had any questions. :) Hope this helps.
3 0
3 years ago
Hideki is draining a 45-gallon aquarium at a rate of 15 gallons per minute ​
puteri [66]

Answer:

It would take him 3 minutes

Step-by-step explanation:

15 x 3 = 45

8 0
3 years ago
Read 2 more answers
For a sample of similar sized all-electric homes, the march electric bills were (to the nearest dollar): $212, $191, $176, $129,
miss Akunina [59]
Lowest to highest...

Range = $92 – $212 ...//Ans...
5 0
3 years ago
The midpoint of AB ‾ AB is M ( 3 , − 2 ) M(3,−2). If the coordinates of A A are ( 1 , − 3 ) (1,−3), what are the coordinates of
mina [271]
We can find out AM. We have to do 0M - 0A which will give (2, -5)
Now w can take 2* AM
7 0
3 years ago
P(-3,6), Q(-3,-6) and R(6,-2) are the vertices of a triangle. Calculate the perimeter of this triangle.​
Eva8 [605]

Answer:

33.89

Step-by-step explanation:

the side lengths are the distances between the corner points of the triangle.

P and Q have the same x value, and they therefore create a side parallel to the y-axis. and it is easy to find the length of this side : it is just the difference of the y values.

PQ = 6 - (-6) = 6 + 6 = 12

QR and RP are trickier.

we need Pythagoras to calculate the length of the direct connection between these points as the Hypotenuse of the right triangles with the differences in x and in y values as the other sides.

QR :

QR² = (-3 - 6)² + (-6 - -2)² = (-9)² + (-4)² = 81 + 16 = 97

QR = sqrt(97) ≈ 9.848857802

RP :

RP² = (6 - -3)² + (-2 - 6)² = 9² + (-8)² = 81 + 64 = 145

RP = sqrt(145) ≈ 12.04159458

the perimeter/circumference of the triangle is the sum of all 3 sides

= 12 + sqrt(97) + sqrt(145) ≈ 33.89

3 0
3 years ago
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