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marishachu [46]
2 years ago
9

A random generated list of numbers from 0 to 4 is being used to simulate an event, with the numbers 3 and 4 representing a succe

ss. what is the estimated probability of a success?
A. 60%
B. 40%
C. 25%
D. 75%
Mathematics
1 answer:
Sloan [31]2 years ago
6 0
Since there are 5 numbers 0-4 and there are 2 numbers that is a success. The probability is 2/5 or 40% or B.
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Adam is using the equation (x)(x + 2) = 255 to find two consecutive odd integers with a product of 255. When Adam solves the pro
kondaur [170]
\bf (x)(x+2)=255\implies x^2+2x=255\implies x^2+2x-255=y
\\\\
\textit{setting y=0}\implies x^2+2x-255=0
\\\\
\textit{now, factoring that}
\\\\
(x+17)(x-15)=0\implies 
\begin{cases}
x=-17\\
x=15
\end{cases}

notice the picture of the graph added here
low and behold, x = -17, y is 0, and x= 15, y is 0
the graph is touching the x-axis, an x-intercept
or so-called, a "solution"

3 0
1 year ago
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you plan to buy a bicycle that will cost at least 180. you have saved 38 and your parents have given you 50. how much more money
shutvik [7]

Answer:

$92

Step-by-step explanation:

  • add what you saved and the parents gave you
  • subtract that by 180
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4 0
1 year ago
What is 974.362 rounded to the nearest ten
Murrr4er [49]
<span>The tens place of the given number 974.362 is 7. To round it to the nearest ten then is should remain the same because the ones digit is equal to 4, the tens digit so be retained because it is less than 5.</span> <span>So the answer is 970</span>
7 0
1 year ago
Given: m∠ATB = 63°, arc AB = 115° Find: arc DC
Flura [38]

Answer:

The measure of arc DC is 11\°

Step-by-step explanation:

we know that

The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite.

m\angle ATB=\frac{1}{2}[arc\ AB+arc\ DC]

substitute the given values

63\°=\frac{1}{2}[115\°+arc\ DC]

126\°=[115\°+arc\ DC]

arc\ DC=126\°-115\°=11\°

6 0
2 years ago
The base of a solid oblique pyramid is an equilateral triangle with a base edge length of 18 inches What is the height of the tr
ExtremeBDS [4]
The height of the triangular base of the pyramid is calculated through the equation,
                                        h = (cos x)(18 in)
where h is height and x is half of the angle of the triangle. Since the triangle is equilateral, the value of  x is 30°. Substituting,
                                        h = (cos 30°)(18 in)
                                        h = 15.59 in
Thus, the height of the base is approximately 15.59 inches. 
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