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Scrat [10]
2 years ago
8

3.

Mathematics
1 answer:
coldgirl [10]2 years ago
3 0
The answer is a I think that is correct
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an experiment consists of flipping a fair coin 4 times. What is the probability of obtaining at least one head?
Dvinal [7]
\mathbb P(X\ge1)=1-\mathbb P(X=0)

The probability of getting 0 heads in 4 tosses (or equivalently, 4 tails) is \dfrac1{2^4}=\dfrac1{16}.

So the desired probability is

1-\dfrac1{16}=\dfrac{15}{16}
7 0
3 years ago
Polygon a is similar to polygon b. the sides of polygon a are three times larger than the corresponding sides of polygon b. the
JulsSmile [24]

Answer:

b 48

Step-by-step explanation:

it says the sides a are 3 times larger so you are trying to find the perimeter of b so you do 144 divided by 3 since it is 3 times larger.

3 0
3 years ago
Read 2 more answers
HELPP!!
SSSSS [86.1K]

Answer:

There are 15 integers between 2020 and 2400 which have four distinct digits arranged in increasing order.

Step-by-step explanation:

This can be obtained by after a simple counting of number from 2020 and 2400 as follows:

The first set of integers are:

2345, 2346, 2347, 2348, and 2349.

Therefore, there are 6 integers in first set.

The second set of integers are:

2356, 2357, 2358, and 2359.

Therefore, there are 4 integers in second set.

The third set of integers are:

2367, 2368, and 2369.

Therefore, there are 3 integers in third set.

The fourth set of integers are:

2378, and 2379.

Therefore, there are 2 integers in fourth set.

The fifth and the last set of integer is:

2389

Therefore, there is only 1 integers in fifth set.

Adding all the integers from each of the set above, we have:

Total number of integers = 6 + 4 + 3 + 2 + 1 = 15

Therefore, there are 15 integers between 2020 and 2400 which have four distinct digits arranged in increasing order.

7 0
3 years ago
HELP ME ON THIS QUESTION ASAP!!!!!
Naya [18.7K]
The answer is 2

Y2-Y1 / X2-X1
7 0
3 years ago
Substitution !! Check your solution<br><br>y - x = 3x + 2<br>2x + 2y = 14 - y (by Substitution)<br>​
GaryK [48]

Answer:

6x+7y=14

Step-by-step explanation:

this may be wrong

but i tried

8 0
3 years ago
Read 2 more answers
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