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UNO [17]
3 years ago
11

A coin is flipped 25 times, and we would like to know the probability that 15 or more of those flips are heads side up.

Mathematics
1 answer:
Helen [10]3 years ago
7 0

Answer:

Yes, the geometric distribution is appropriate.

Step-by-step explanation:

sorry if im wrong

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A spinner has an equal chance of landing
liq [111]

Answer:

1/15

Step-by-step explanation:

since there are 3 equal colors, they're all 1/3

since it's 5, it's 1/5

1/5 x 1/3

1/15

7 0
2 years ago
HELP!!!
AfilCa [17]
<span>1.
-x = 2 - 3x + 6
-x + 3x = 8
2x = 8
x = 8/2
x = 4

2.
</span><span>Step 1: 2(3x − 4) = 8 + 2x + 4
Step 2: 5x − 6 = 12 + 2x   </span>←  wrong
The correct step: <span>Step 2: 6x − 8 = 12 + 2x

3.
</span>The next step is <span>2m = 8</span>
3 0
2 years ago
Read 2 more answers
Write and solve and equation to find how many movies they have time to show.
GalinKa [24]

Answer:

Equation 0.5 + 1.75(x) = 4

x = 2movies

Step-by-step explanation:

Given that,

movie night will last for 4 hours

each movie take 1.75 hours

time for eating popcorn 0.5 hours

To find,

number of movies which can be watched

<h2>Equation</h2><h2>0.5 + 1.75(x) = 4</h2><h2>Solve for x</h2><h3>1.75(x) = 4 - 0.5</h3><h3>1.75(x) = 3.5</h3><h3>x = 3.5/1.75</h3><h3>x = 2  </h3>

So, total number of movies which could be watched in 4hr = 2

<h3 /><h3 /><h3 /><h3 /><h3 /><h3 /><h3 />

7 0
3 years ago
the half-life of uranium -238 is 4.5 × 10 to the power of 9 years. The half-life of uranium-238 than that of uranium-234
Anika [276]

Answer:

Uranium-234 is an isotope of uranium. In natural uranium and in uranium ore, U-234 occurs as an indirect decay product of uranium-238, but it makes up only 0.0055% (55 parts per million) of the raw uranium because its half-life of just 245,500 years is only about 1/18,000 as long as that of U-238.

Step-by-step explanation:


5 0
3 years ago
What is the product?<br> (x+3)(2x - 1)<br> 2x²-3<br> 2x²+66<br> O 2x²+5x-3<br> 2x²+6x-3
Bess [88]
It’s 2x^2 + 5x - 3.
5 0
2 years ago
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