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ratelena [41]
3 years ago
12

What is the probability that another student has the same birthday as you?

Mathematics
1 answer:
Flura [38]3 years ago
5 0
There are 365 days in a year. So the answer is

1/365
You might be interested in
Find the vertex of the graph of f(x) = x2 + 4x - 5.
Fofino [41]
You can solve this in two ways.

1. Graphical. Plot the graph for x between -5 and 1 (see attachement).
The vertex of the graph is the peak of the curve, which has the coordinates x=-2, y=-9.

2. Analytical. Calculate the derivative of the function f(x)
\frac{df}{dx}=2x+4
Solve the equation:
2x+4=0
will give the solution x=-2.
Replace x=-2 in the f(x) function and you'll get the value of y:
(-2)^2+4 \cdot (-2)-5=4-8-5=-9

You get the same answer: x=-2, y=-9

So the answer is
<span>B. (-2, -9)</span>

7 0
3 years ago
What is the volume of the figure below, in cubic centimeters?<br><br> 756<br> 936<br> 1008<br> 1080
irina1246 [14]
936 I think is the best answer
8 0
3 years ago
Its
damaskus [11]

Answer:

P(Green\ and\ Green) = \frac{25}{144}

Step-by-step explanation:

Given

Green=5

Blue = 7

Required

P(Green\ and\ Green)

This is calculated as:

P(Green\ and\ Green) = P(Green) * P(Green)

Since, it is a probability with replacement, we have:

P(Green\ and\ Green) = \frac{Green}{Total} * \frac{Green}{Total}

So, we have:

P(Green\ and\ Green) = \frac{5}{12} * \frac{5}{12}

P(Green\ and\ Green) = \frac{25}{144}

5 0
3 years ago
On an English exam, a student can make one of four grades. 40 students who took the exam were randomly selected and surveyed abo
andrezito [222]

Answer:fffffff

Step-by-step explanation:fffffffff

3 0
2 years ago
Given f(x) = -4x and g(x) = -5x - 8, find g(f(6-2m²))​
storchak [24]

9514 1404 393

Answer:

  -40m² +112

Step-by-step explanation:

g(f(6-2m²)) = g(-4(6 -2m²)) = g(8m² -24)

= -5(8m² -24) -8 = -40m² +120 -8

g(f(6-2m²)) = -40m² +112

3 0
3 years ago
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