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Korolek [52]
3 years ago
5

A spinner has 10 numbered sections. The arrow on the spinner was spun 30 times, and the results are recorded in the table. Based

on these results, what is the experimental probability that the arrow will land on a section labeled with an odd number the next time it is spun?
Mathematics
2 answers:
Ann [662]3 years ago
7 0
I can’t understand the question can you write it more clearly?
Thepotemich [5.8K]3 years ago
7 0

Answer:

50% or 150/300

Step-by-step explanation:

There are five odd numbers every spin. If you spin 30 times, there are 300 different numbers, and 150 of them are odd.

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Josh and Lucy share some money in the ratio 3:7. What fraction of the money does Josh receive?
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3/10ths of the money

Step-by-step explanation:

Add together the two numbers to get the total.

Josh gets 30 percent and Lucy gets 70 percent.

3/10

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A cross section is the intersection of a
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Uhhh please help me. I dont know why i dont understand this problem
Mariana [72]
The answer is A) because the parabola is less than 3 (open circle) and the line is greater than and equal to 3 (closed circle)
7 0
3 years ago
Which could be the value of the third side of a triangle with sides 3 and 4? A. 3 B. 7 C. 12 D. 20
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c

Step-by-step explanation:

3 0
2 years ago
After releasing of radioactive material into.The atnosphere from.A nuclear.Powe plant in a country in 1988, the hay in that coun
Radda [10]

Answer:

the question is incomplete, so I looked for a similar one:

<em>After the release of radioactive material into the atmosphere  from a nuclear power plant, the hay was contaminated by iodine  131 ( half-life, 8 days). If it is all right to feed the hay to cows  when 10% of the iodine 131 remains, how long did the farmers  need to wait to use this hay? </em>

iodine's half life (we are given x, we need to find b):

0.5A₀ = A₀eᵇˣ

x = 8 days

we eliminate A₀ from both sides

0.5 = eᵇ⁸

ln 0.5 = ln eᵇ⁸

-0.69315 = b8

b = -0.69315 / 8 = -0.08664

since the farmers need to wait until only 10% of the iodine remains (we already calculated b, now we need to find x):

0.1A₀ = A₀eᵇˣ

0.1 = eᵇˣ

ln 0.1 = bx

where b = -0.08664

x = ln 0.1 / -0.08664  = -2.302585 / -0.08664  = 26.58 days

4 0
3 years ago
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