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allochka39001 [22]
3 years ago
11

At memorial hospital 9 of 12 babies born on Tuesday were boy. In simplest form what fraction of the babies born on Tuesday we’re

boys
Mathematics
2 answers:
n200080 [17]3 years ago
8 0
3/4 is the answer to your question
madam [21]3 years ago
5 0
3/4 because you simplify 9 and 13 by 3 and you get 3/4
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Find the area and perimeter
pashok25 [27]

Answer:

Part 1) The perimeter is P=172\pi\ ft

Part 2) The area is A=1,204\pi\ ft^2

Step-by-step explanation:

Part 1) Find the perimeter

we know that

The perimeter is equal to the circumference of the exterior circle plus the circumference of the interior circle

so

P=2\pi (50)+2\pi (36)

P=2\pi (86)\\P=172\pi\ ft

Part 2) Find the area

we know that

The area of the figure is equal to the area of the larger circle minus the area of the smaller circle

so

A=\pi (50)^2-\pi (36)^2

A=\pi (1,204)

A=1,204\pi\ ft^2

8 0
3 years ago
Describe the graph of the function. y = |x - 4| - 7
ANTONII [103]

Answer:

Step-by-step explanation:

The graph is that of the basic absolute value function y = |x|, except that the vertex (0, 0) has been translated 4 units to the right and 7 units down.

6 0
3 years ago
It is estimated that approximately 10.5% of Americans are afflicted with diabetes. Suppose that a new diagnostic test is being c
Alla [95]

Answer:

0.03

Step-by-step explanation:

Percentage of americans with diabetes = 10.5% = 0.105

Percentage of americans without diabetes = 89.5% = 0.895

Adults over 40 with diabetes tested positive = 95% = 0.95

Adults over 40 with diabetes tested negative = 5% = 0.05

Adults over 40 without diabetes tested positive = 3.5% = 0.035

Adults over 40 without diabetes tested negative = 96.5% = 0.965

The probability of selecting an adult over 40 without diabetes but positive diagnosis;

     = 0.895 * 0.035

     = 0.031325

     = 0.03

5 0
3 years ago
Let x be a random variable that represents hemoglobin count (hc) in grams per 100 milliliters of whole blood. then x has a distr
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3 years ago
In the triangle below, what ratio is cos h?
statuscvo [17]

Answer:

The ratio of cosh is 12/13.

5 0
3 years ago
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