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Oliga [24]
3 years ago
6

A small train at an amusement park is carrying passengers. Half of the passengers are 4 years old, 110 are 5 years old, 310 are

6 years old, and 110 are 7 years old.
What is the expected age for one of the passengers on the train?

5 years
6.1 years
5.5 years
6 years
Mathematics
1 answer:
mylen [45]3 years ago
7 0
The answer to your question is 5
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Find the indicated angle . (Use either the Law of Sines or the Law of Cosines, as appropriate. Assume a = 16, c = 12, and ∠C = 4
mote1985 [20]
Use the law of sines
11/sin50°=13/sinθ
11/0.766=13/sinθ
11sinθ=13(0.766)
11sinθ=9.958
sinθ=9.958/11
sinθ=0.9052727
use arcsin on your calculator
θ=64.86°
7 0
2 years ago
A navigator on a boat measures the angle between the course of the boat and the lighthouse on shore to be 70 degrees. After the
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hi pls where can I get physics questions on checking the correctness of an equation using dimensional analysis

3 0
3 years ago
Determine the center and radius of the following circle equation: x^2+y^2-8x+6y-75=0 x 2 +y 2 −8x+6y−75=0 Center: \big(( , \big)
Reptile [31]

Answer:

Compare x^2 +y^2-8x-6y=75 with the general circle equation x^2+y^2 -2ax-2by+c=0

-2a =-8 And -2b=-6

a=4 b=3

c=-75

To find the radius use the equation

r^2=a^2+b^2-c

r^2=4^2+ 3^2-(-75)

r^2=25+75=100

r=10(radius is always positive)

Hence the center is (4,3) and radius 10

Step-by-step explanation:

6 0
3 years ago
Samantha has 4 boxes of action figures. Each box contains 198 figures. which expression shows a strategy Samantha can use to fin
Lynna [10]

Number of action figures each box contains = 198

Total number of boxes = 4

The product can be found as = 4\times198

hence, option 2 is the correct answer.

4 x (200 - 2) = 4\times198


8 0
3 years ago
What is 7 and 1/2 plus 9 and 1/4
mrs_skeptik [129]

Answer:

16.75

Step-by-step explanation:

7.5+9.25=16.75

Line up the digits and use traditional algorithm.

5 0
3 years ago
Read 2 more answers
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