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lyudmila [28]
3 years ago
15

Suppose there are n students in a class what is the probability at least two students have same birthday

Mathematics
2 answers:
vitfil [10]3 years ago
5 0
I don't have enough info to solve this
Katyanochek1 [597]3 years ago
5 0
P(at least two have same birthday) =
1 - (1/2)^(n).

Since no specific number of students is given, we only get an expression.
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A car is towed using a force of 1600N. The rope used to pull the car makes an angle of 25∘ with the horizontal. Find the work do
mezya [45]

Answer: 2900185 Joules

Step-by-step explanation:

Force used to tow the car is 1600N

Angle(α)= 25

Displacement = 2km

Recall that 1km= 1000m

Therefore 2km= 2000m

Workdone= FdCos α

W= 1600 * 2000 * cos 25

W=2900184.919

W= 2900185 Nm(when approximated to the nearest integer)

Since 1J = 1Nm

Work done = 2900185 J

5 0
4 years ago
A graph of a quadratic function y = f(x) is shown below.
spin [16.1K]

We are given a graph of a quadratic function y = f(x) .

We need to find the solution set of the given graph of a quadratic function .

<em>Note: Solution of a function the values of x-coordinates, where graph cut the x-axis.</em>

For the shown graph, we can see that parabola in the graph doesn't cut the x-axis at any point.

It cuts only y-axis.

Because solution of a graph is only the values of x-coordinates, where graph cut the x-axis. Therefore, there would not by any solution of the quadratic function y = f(x).

<h3>So, the correct option is 2nd option :∅.</h3>
8 0
4 years ago
Read 2 more answers
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Juliette [100K]
The answer should be 12x^2-6
7 0
3 years ago
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Evaluate the expression for<br> x = 6, y = -10:<br> 3x - 7y
Natasha_Volkova [10]

Answer:

88

Step-by-step explanation:

hello,

we need to replace x by 6 and y by -10 so it comes

3*(6)-7*(-10)

= 18 + 70 = 88

hope this helps

8 0
3 years ago
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What is the result of adding these two equations?<br> 5x-y=6<br> -2x+y=8
Stells [14]
3x=14 I am pretty sure
3 0
3 years ago
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