In a recent year, a hospital had 4164 births. Find the mean number of births per day, then use that result and the
Poison distribution to find the probability that in a day, there are 13 births. Does it appear likely that on any given day,
there will be exactly 13 births?
Answers
Mean number of births per day ≈ 11.41.The probability of having exactly 13 births in a day,is approximately 11.41, is about 11.79%.. No, it doesnot appear likely that on any given day,there will be exactly 13 births.
Define probability?Probability can be defined as the ratio of favourable outcome to the total number of outcome.
What is Poisson distribution?A Poisson distribution is a discrete probability distribution. The chance of an event occurring a specific number of times (k) during a specific time or space period is provided by the Poisson distribution. The mean number of occurrences, denoted by the letter "lambda," is the single parameter of the Poisson distribution.
To find the mean number of births per day, we divide the total number of births in a year (4164) by the number of days in a year. Assuming a year has 365 days, the mean number of births per day would be:
Mean number of births per day = Total number of births in a year / Number of days in a year
Mean number of births per day = 4164 / 365
Mean number of births per day ≈ 11.41
Now, we can use the Poisson distribution to find the probability of having exactly 13 births in a day, given that the mean number of births per day is approximately 11.41.
The Poisson distribution is used to model the number of events occurring in a fixed interval of time or space, when the events are rare and random, and the average rate of occurrence is known.
The probability mass function (PMF) of the Poisson distribution is given by the formula:
P(X=k) = ( [tex]lambda^{k}[/tex]×e^(-λ)) / k!)
Where:
λ is the average rate of occurrence (mean) of events in the given interval
e=2.71828
k is the number of events for which we want to find the probability
k! is the factorial of k (k factorial)
In this case, the average rate of occurrence (mean) of births per day is approximately 11.41 (calculated in the previous step). So, we can plug in the values into the Poisson PMF formula:
P(X=13) = (λ¹³ ×e^(-λ)) / 13!
P(X=13) = (11.41¹³ × e^(-11.41)) / 13!
Calculating this value using a calculator or software, we can find that:
P(X=13) ≈ 0.1179 or 11.79%
So, the probability of having exactly 13 births in a day, given the mean number of births per day is approximately 11.41, is about 11.79%.
Based on this probability, it appears unlikely that on any given day there will be exactly 13 births, as the probability is relatively low. However, it is important to note that the Poisson distribution assumes that the events are rare and random, and there may be other factors that can affect the actual number of births in a day, such as seasonality, day of the week, and other external factors. Therefore, further analysis and consideration of other factors may be needed to make a more accurate assessment of the likelihood of exactly 13 births occurring in a day at a specific hospital.
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Related Questions
find the surface area to the nearest whole number. do not round until the end. X=4 units Y= 13 units Z= 7 units (giving brainliest!!!)
Answers
The Surface area of figure is 396.896 unit².
We have,
x = 4 unit, y = 13 unit and z = 7 unit.
First Surface Area of Cylinder
= 2πrh
= 2(3.14)(4)(7)
= 175.84 unit²
and, Surface Area of Cone
= πrl
= (3.14)(4)(13.6)
= 170.816 unit²
Thus, the Surface area of figure is
= 175.84 + 170.816 + 50.24
= 396.896 unit²
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Writing With Tens and Ones
rite each number described.
1) Write a number with eight tens and one one
2) Write a number with five tens and five ones
3)
Write a number with eight tens and nine ones
) Write a number with five tens and eight ones
O Write a number with one ten and seven ones
O Write a number with five tens and two ones
Write a number with six tens and two ones
Write a number with three tens and zero ones
Write a number with four tens and five ones
Answers
A number with eight tens and one one is = 81.
A number with five tens and five ones is = 55.
A number with eight tens and nine ones is 89.
A number with five tens and eight ones = 58.
A number with one ten and seven ones is 17.
A number with five tens and two ones is 52.
A number with six tens and two ones is 62.
A number with three tens and zero ones is 30.
A number with four tens and five ones is 45.
What is the Number about?The phrase "eight tens and one one" denotes a numerical value featuring the digit 8 in the tens position and 1 in the ones position. This is equal to the sum of 80 and 1, resulting in a total value of 81.
Therefore "a numerical figure composed of 5 tens and 5 units" indicates a number where 5 is in the tens position while 5 is in the ones position, resulting in a total of 50 + 5, which equals 55.
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Tom and Philip were given the graph of a linear function and asked to find the slope. Tom says that the slope is 12 while Philip says that the slope is 2.
Which reason correctly justifies Tom's answer?
Answers
Without seeing the graph of the linear function, it is impossible to determine if Tom's answer of 12 is correct or incorrect. However, it is important to understand the concept of slope and how it is calculated for a linear function.
The slope of a linear function represents the rate at which the y-coordinate changes for each unit increase in the x-coordinate. In other words, it measures the steepness of the line. Mathematically, the slope of a line is defined as the ratio of the change in the y-coordinate to the change in the x-coordinate between any two points on the line.
To calculate the slope of a line given its graph, one can choose any two points on the line and find the difference in their y-coordinates and x-coordinates. The slope is then the ratio of the change in y-coordinates to the change in x-coordinates. This can be expressed as:
slope = (change in y-coordinate) / (change in x-coordinate)
Now, if Tom has correctly identified two points on the line and calculated the difference in their y-coordinates and x-coordinates, and if he has obtained a ratio of 12 for the change in y-coordinate to the change in x-coordinate, then his answer of 12 for the slope would be correct.
However, it is also possible that Tom made an error in his calculation, or that he misread the graph, and obtained an incorrect answer. Therefore, it would be necessary to verify his calculations by checking the points he used and the formula he applied.
In conclusion, without further information about the graph of the linear function and the points chosen by Tom to calculate the slope, it is impossible to determine if his answer of 12 is correct or incorrect.
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Find the following angles
Answers
The value of angle t is 126⁰.
The value of angle x is 70⁰.
The value of angle 5 is 85⁰.
What is the value of a, t, x and 5?
The value of each of the missing angles is calculated as follows;
angle b = 27⁰ (vertical opposite angles are equal)
The value of angle t is calculated as follows;
b + t + 27 = 180 ( sum of angles on a straight line)
27 + t + 27 = 180
54 + t = 180
t = 180 - 54
t = 126⁰
The value of angle x is calculated as follows;
x + 30 + 80 = 180 (sum of angle in a triangle and vertical opposite angles)
x + 110 = 180
x = 180 - 110
x = 70⁰
The value of angle 5 is calculated as follows;
65 + 70 + (180 - 40) + ∠5 = 360 (sum of angles in a quadrilateral)
65 + 70 + 140 + ∠5 = 360
275 + ∠5 = 360
∠5 = 360 - 275
∠5 = 85⁰
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12. The measures of alternate exterior angles are
Answers
Answer:
The same, Congruent
Step-by-step explanation:
The measures of alternate exterior angles are equal when two parallel lines are intersected by a transversal line. That is, if we have two parallel lines l and m intersected by a transversal line t, then the alternate exterior angles are congruent, which means that they have the same measure. More formally, if angle 1 and angle 2 are alternate exterior angles, then:
angle 1 = angle 2
The reason for this is that when the parallel lines are intersected by the transversal line, they form a Z-shape pattern, and the alternate exterior angles are located on opposite sides of the transversal line, but outside of the two parallel lines. The angles are congruent because they are formed by a pair of corresponding angles and a pair of vertical angles.
Have a Great Day!-
When Caroline runs the 400 meter dash, her finishing times are normally distributed with a mean of 68 seconds and a standard deviation of 1.5 seconds. Using the empirical rule, determine the interval of times that represents the middle 99.7% of her finishing times in the 400 meter race.
Answers
The empirical rule to determine the interval middle 99.7% of Caroline's finishing times in the 400 meter race is 63.5 seconds to 72.5 seconds
Given data ,
The empirical rule, also known as the 68-95-99.7 rule, states that for a normal distribution:
Approximately 68% of the data falls within one standard deviation of the mean.
Approximately 95% of the data falls within two standard deviations of the mean.
Approximately 99.7% of the data falls within three standard deviations of the mean.
Since the middle 99.7% of data falls within three standard deviations of the mean, we can calculate the upper and lower limits of this interval as follows:
Lower limit = Mean - (3 x Standard Deviation)
Upper limit = Mean + (3 x Standard Deviation)
Plugging in the values for mean and standard deviation:
Lower limit = 68 - (3 x 1.5) = 68 - 4.5 = 63.5 seconds
Upper limit = 68 + (3 x 1.5) = 68 + 4.5 = 72.5 seconds
Hence , the interval of times that represents the middle 99.7% of Caroline's finishing times in the 400 meter race is 63.5 seconds to 72.5 seconds
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y=9/5X+6. find the equation of the line that is parallel to this line and passes through the point (-5,-2)
Answers
Answer:
9/5x+7
Step-by-step explanation:
You can keep the slope the same, because it is parallel, but the y-intercept must change to plus seven in order to go through (-5, -2)
Use the formula for n^p r to evaluate the following expression
Answers
Answer:
Use Formula nPr, to solve the following question
6P4 = 360
Turner helped his grandfather build a raised garden bed for Tanner’s grandmother. The bed is shaped like a rectangular prism that is 4 1/2 feet wide and a half of a foot tall. Turner and his grandfather use 18 bags of topsoil, each containing three force of a cubic foot, to feel the bed completely. How long is the garden?
Answers
The length of the garden containing the soil is L = 24 feet
Given data ,
Volume = Length x Width x Height
Width = 4 1/2 feet
Height = 1/2 foot
Total volume of topsoil used = 18 bags x 3 cubic feet/bag = 54 cubic feet
So , the length of the garden is
54 = Length x 4 1/2 x 1/2
On simplifying , we get
54 = Length x 9/2 x 1/2
Now, let's simplify the right-hand side by multiplying the numerator and denominator by 2
54 / (9/2 x 1/2) = The length of the garden
The length of the garden = 54 /9 x 4
The length of the garden = 6 x 4
The length of the garden = 24 feet
Hence , the length of the garden bed is 24 feet
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A certain type of cable has a mean breaking point of 150 pounds with a standard deviation of 8 pounds. What weight should we specify so that we expect 95% of the cables not to break supporting that weight?
Answers
Answer:
171.76 Pounds
Step-By-Step Explanation:
So the explanation to how I got the answer is in the link below.
Find the standard form of the equation for the circle with the following properties.
Endpoints of a diameter are (−6,−1) and (−8,−11)
Answers
Standard form of the equation for the circle with the following properties is (x + 7)² + (y + 6)²= 104.
What is diameter?A line segment through the center of a circle with its ends on the circle's circumference. Its value is twice of the radius.
Define equation?An equation is a mathematical statement that asserts the equality between two expressions, typically containing one or more variables. It consists of two sides separated by an equals sign (=), indicating that the expressions on both sides have the same value. Equations are used to describe relationships, solve problems, and make predictions in various branches of mathematics, science, engineering, and other fields. They can be linear or nonlinear, and may involve arithmetic, algebraic, trigonometric, exponential, or other mathematical operations. Solving an equation involves finding the values of the variables that make the equation true.
To find the standard form of the equation for a circle, we can start by finding the center and radius of the circle using the given endpoints of a diameter.
The center of the circle is the midpoint of the diameter, which can be found by averaging the coordinates of the two endpoints. Let's denote the coordinates of the endpoints of the diameter as (x1, y1) and (x2, y2) respectively.
In this case, the coordinates of the endpoints are (x1, y1) = (-6, -1) and (x2, y2) = (-8, -11). Using the midpoint formula, we can find the center of the circle:
Center = ((x1 + x2)/2, (y1 + y2)/2)
Plugging in the values, we get:
Center = ((-6 + (-8))/2, (-1 + (-11))/2)
Center = ((-14)/2, (-12)/2)
Center = (-7, -6)
So, the center of the circle is (-7, -6).
The radius of the circle is half the length of the diameter, which can be found using the distance formula between the two endpoints of the diameter. Let's denote the distance between the endpoints as d.
The distance formula is given by:
d = sqrt((x2 - x1)² + (y2 - y1)²)
Plugging in the values, we get:
d = sqrt((-8 - (-6))² + (-11 - (-1))²)
d = sqrt((-2)² + (-10)²)
d = sqrt(4 + 100)
d = sqrt(104)
So, the radius of the circle is sqrt(104).
Now that we have the center and radius of the circle, we can write the standard form of the equation of the circle as:
(x - h)² + (y - k)²= r²
where (h, k) is the center of the circle and r is the radius of the circle.
Plugging in the values, we get:
(x - (-7))² + (y - (-6))² = (sqrt(104))²
(x + 7)² + (y + 6)²= 104
So, the standard form of the equation for the circle with endpoints of a diameter at (-6, -1) and (-8, -11) is (x + 7)² + (y + 6)² = 104
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AWARDING 90 POINTS!!!
Question
A survey was conducted to see how the teachers at Blue Pacific School District volunteer. Forty-four teachers volunteer at an animal shelter.
How many teachers volunteer at a senior center?
Enter your answer in the box.
Answers
Answer:
Step-by-step explanation:
find the limiting value or horizontal asymptote of y= 2x/4x-5
Answers
The limiting value or horizontal asymptote of the function y = 2x/4x-5 is y = 0.5
Finding the limiting value or horizontal asymptoteFrom the question, we have the following parameters that can be used in our computation:
y = 2x/4x-5
The limiting value or horizontal asymptote can be calculated by graph
So, we start by plotting the graph of y = 2x/4x-5
See attachment for the graph
From the graph, we can see that
The function does not have a defined value at y = 0.5
This means that the limiting value or horizontal asymptote is y = 0.5
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PLEASE HELP ME ANSWER THIS QUESTION ASAP!! Will mark as brainliest if correct!
Answers
answer attached
see below
please give brainliest it will be much appreciated
Please help me with these 6th grade math questions, thank you!
Answers
The error which Mason made was subtracting 5 from both sides.
The correct solution is x < 16 and it is shown on the number line below.
The best way to describe the temperature in the greenhouse before the heater stopped working is that it was at least 71 degrees.
An inequality that represent this situation is x + 21 ≥ 47 and the solution is x ≥ 26.
The inequalities that can be used to represent the situation are;
D. x - 7.35 ≥ 2.87
E. x ≥ 10.22
How to write and determine the solution to the inequalities?Based on the information provided about the math test, the following inequality must be solved by students;
x - 5 < 11
By adding 5 to both sides of the inequality, we have the following:
x - 5 + 5 < 11 + 5
x < 16
Therefore, the error which Mason made was subtracting 5 from both sides.
Since the temperature dropped 6 degrees before it was fixed and it was still at least 67 degrees when the heater started working again, we can model it as follows;
x - 4 ≥ 67
x ≥ 71
Since Ramiro has $21 and wants buy a skateboard that cost $47, the amount of money that he needs can be modeled by this inequality;
x + 21 ≥ 47
x ≥ 47 - 21
x ≥ 26
In conclusion, the inequalities that can be used to represent the total amount, x, Kendra needs for the bead are;
x - 7.35 ≥ 2.87
x ≥ 2.87 + 7.35
x ≥ 10.22
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which of the following number sequences could be produced by the expression
2x+x^2
Answers
The given expression is
[tex]2x+x^2[/tex]
So we can write the general rule for the sequence as
[tex]T_x=2x+x^2[/tex]
Recall that the domain of a sequence is the set of natural numbers.
Let us plug in some first few natural numbers to generate the sequence.
When [tex]x=1[/tex], we obtain,
[tex]T_1=2(1)+(1)^2[/tex]
[tex]\rightarrow T_1=2+1[/tex]
[tex]\rightarrow T_1=3[/tex]
When [tex]x=2[/tex], we obtain,
[tex]T_2=2(2)+(2)^2[/tex]
[tex]\rightarrow T_2=4+4[/tex]
[tex]\rightarrow T_2=8[/tex]
When [tex]x=3[/tex], we obtain,
[tex]T_3=2(3)+(3)^2[/tex]
[tex]T_3=6+9[/tex]
[tex]T_3=15[/tex]
When [tex]x=4[/tex], we obtain,
[tex]T_4=2(4)+(4)^2[/tex]
[tex]T_4=8+16[/tex]
[tex]T_4=24[/tex]
Therefore the number sequence produced by the given expression is,
[tex]\boxed{\bold{3, 8, 15, 24.}}[/tex]
Which answer Choice contains only equations? A. 2 + H = 14 and K - 25 =2 B. C-14C-14 and d+134 C. 10=3+s and 22-y D. 15+x and 55= r-1
Answers
Answer:
The answer choice that contains only equations is:
A. 2 + H = 14 and K - 25 = 2
Explanation:
A. Both expressions are equations because they have an equal sign and a variable.
B. C-14C-14 is not an equation because it doesn't have an equal sign.
C. Both expressions are equations, but 22-y is not a complete equation (missing an equal sign).
D. Both expressions are equations, but 55= r-1 is not a complete equation (missing an equal sign).
Step-by-step explanation:
Using a table, find the range of the function for the given domain:
f(x)=2x+7 with domain: x = {2, 3, 5, 9}
A. y = {9, 10, 12, 16}
B. y = {11, 13, 17, 25}
C. y = {4, 6, 10, 18}
D. y = {-11, -13, -17, -25}
Answers
The range of the function is y = {11, 13, 17, 25}.
What is range of function?In mathematics, the range of a function refers to the set of all possible output values that the function can produce when given a set of input values. It is also known as the image of the function. The range of a function can be found by evaluating the function for all possible input values, or by analyzing the properties of the function.
According to given information:To find the range of the function, we need to substitute each value of the domain into the function and record the corresponding output values.
For x = 2, f(2) = 2(2) + 7 = 11.
For x = 3, f(3) = 2(3) + 7 = 13.
For x = 5, f(5) = 2(5) + 7 = 17.
For x = 9, f(9) = 2(9) + 7 = 25.
Therefore, the range of the function is y = {11, 13, 17, 25}.
The answer is A. y = {9, 10, 12, 16} is not the correct range for this function with the given domain.
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A nursing student can be assigned in how many different ways?
Answers
The total number of different ways that the student can be assigned during a 4-day work week is 81 different ways.
What is student?A student is a person who is enrolled in an educational institution, such as a college, university, or trade school. Students are typically required to attend classes and complete assignments to gain knowledge and develop skills related to their field of study. Depending on their level of education, students may also be required to participate in research or internships in order to gain practical experience.
There are 3 possible floors that the student can be assigned to, so for each day of the 4-day week, there are 3 possible assignments.
Therefore, the total number of different ways that the student can be assigned during a 4-day work week is 3 x 3 x 3 x 3
= 81 different ways.
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In a town of 42800 people.48% are male.the rest are female. how many more female are there than males
Answers
Answer:
First, we need to find out how many people are male and female in the town:
Step-by-step explanation:
Male population = 48% of 42800 = 20544
Female population = 100% - 48% = 52% of 42800 = 22256
To find out how many more females there are than males, we need to subtract the male population from the female population:
Female population - Male population = 22256 - 20544 = 1712
Therefore, there are 1712 more females than males in the town.
Yolanda rented a truck for one day. There was a base fee of $10.75, and there was an additional charge of 6 cents for each mile driven. The total cost, C (in dollars), for driving x miles is given by the following.
Answers
Answer:
The total cost, C (in dollars), for driving x miles is given by:
C = 0.06x + 10.75
where x is the number of miles driven.
To find the total cost for driving a certain number of miles, simply substitute that value for x in the equation and solve for C.
Let’s say that you are the Business Analytics Head at a national bank. From the historical data, you have determined that there is a 0.33 probability that a customer would default on a particular loan. What is the probability that out of the next two customers who apply for the same loan, both would not default on the loan?
Answers
Answer:
Step-by-step explanation:
26/7
A pole that is 3.3 m tall casts a shadow that is 1.71 m long. At the same time, a nearby building casts a shadow that is 48.25 m long. How tall is the building? Round your answer to the nearest meter.
Answers
The height of the building is given by h = 93.5 m
Given data ,
Let the proportion be represented as A
Now , the value of A is
The height of the pole is 3.3 meters and its shadow is 1.71 meters long. We can set up a proportion to find the height of the building:
Height of pole / Length of pole's shadow = Height of building / Length of building's shadow
3.3 m / 1.71 m = x / 48.25 m
Now we can cross-multiply and solve for "x":
3.3 m * 48.25 m = 1.71 m * x
159.825 m² = 1.71 m * x
x = 159.825 m² / 1.71 m
x ≈ 93.5 m
Hence , the height of the building is approximately 93.5 meters
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Find the value of x, y, and z in the parallelogram below.
(-3Z-4)°
85°
(-4y+5)
(8x-1)
Answers
The values of x, y and z of the given parallelogram are: x = 12, y = -20 and z = -32
What is the value of the angle in the parallelogram?A quadrilateral has two pairs of sides are parallel to each and the four angles at the vertices are not equal to the right angle, and then the quadrilateral is called a parallelogram. Also, the opposite sides are equal in length.
The key properties of angles of a parallelogram are:
- If one angle of a parallelogram is a right angle, then all the angles are right angles
- Opposite angles of a parallelogram are equal (or congruent)
- Consecutive angles are supplementary angles to each other (that means they add up to 180 degrees)
Consecutive angles are supplementary and as such:
85 + 8x - 1 = 180
8x = 181 - 85
8x = 96
x = 96/8
x = 12
Opposite angles are equal and as such:
85 = -4y + 5
-4y = 80
y = -20
Similarly:
85 - 3z - 4 = 180
3z = -96
z = -96/3
z = -32
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Which is the distance between the point with the coordinates (1, 2) and the line with the equation 2x-3y = -2?
a. √13
c. 3√13
13
13
9-
b. 2√13
13
d. 6√13
13
Please select the best answer from the choices provided
A
B
C
D
0
Answers
Answer:
To find the distance between a point and a line in a plane, we can use the formula:
distance = |Ax + By + C| / √(A^2 + B^2)
where A, B, and C are the coefficients of the general form of the line equation (Ax + By + C = 0), and (x,y) are the coordinates of the point.
First, we need to rewrite the given line equation in the standard form (y = mx + b):
2x - 3y = -2
-3y = -2x - 2
y = (2/3)x + 2/3
Now we can identify the slope (m) and y-intercept (b) of the line:
m = 2/3
b = 2/3
Next, we can find the equation of the perpendicular line that passes through the point (1,2), since the distance between the point and the line will be the length of the segment connecting the point to the intersection of these two lines. The slope of a line perpendicular to a line with slope m is -1/m, so the equation of the perpendicular line passing through (1,2) is:
y - 2 = (-3/2)(x - 1)
y = (-3/2)x + (7/2)
Now we need to find the intersection of the two lines by solving the system of equations:
y = (2/3)x + 2/3
y = (-3/2)x + (7/2)
(-3/2)x + (7/2) = (2/3)x + 2/3
(-13/6)x = -5/6
x = 5/13
y = (2/3)(5/13) + 2/3
y = 11/13
So the intersection point of the two lines is (5/13, 11/13). Now we can use the distance formula to find the distance between this point and the given point (1,2):
distance = √[(5/13 - 1)^2 + (11/13 - 2)^2]
distance = √[(36/169) + (25/169)]
distance = √(61/169)
distance = √61/13
The closest answer choice is (A) √13, but the simplified expression is actually √61/13. Therefore, none of the answer choices provided are completely accurate.
Step-by-step explanation:
a canoe is seen floating down a creek. the canoe is first spotted 65 ft away. 7 seconds later the canoe is 40. ft away, making a 50° angle between the two settings how far did the canoe travel
Answers
The canoe traveled approximately a distance of 21.9ft.
let the distance the canoe travels be "d".
Initial position = 65 ft
After 7s,
The Final position is 40ft away
From the given information the canoe moves =(65-40)=25ft closer
Let x=25ft
Using the tangent function
we know that, tan(50degree)=x/d
therefore, d=25/tan(50 degree)
d=21.9ft
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Suppose that the following scatter plot displays the data between the amount of time truck drivers are driving on the road and the average number of stops that they make along the way, from a sample of
30 truck drivers.
What is the correlation between the amount of time truck drivers are driving and the average number of stops that they make?
Answers
Answer:
Step-by-step explanation:
There is no correlation between the two.
The graph provided is a scatter plot and the dots are to spread out to have any time of coloration
8 cm
*****
The dimensions of a triangular prism are shown in the diagram.
12 cm-
4/10
10 cm,
34 cm
What is the volume of the triangular prism in cubic centimeters?
10 cm
✓
✓
Answers
The volume of the triangular prism shown below is 48 cm²
How to solve an equation?An equation is an expression that can be used to show the relationship between two or more numbers and variables using mathematical operators.
The area of a figure is the amount of space it occupies in its two dimensional state.
The area of triangular base = (1/2) * 12 cm * 8 cm = 48 cm²
The volume of triangular prism = area of base * height
Volume = 48 cm² * 34 cm = 1632 cm³
The volume of the triangular prism is 48 cm²
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Please answer, this as quick as possible, it’s very important for me, I’ll give brainliest if it’s correct, and try not to use chatgpt or you’ll get reported
Answers
Answer:
Your calculator should be in radian mode.
a)
[tex]f(x) = 56 \sin( \frac{2t\pi}{12} + \frac{\pi}{2} ) + 4[/tex]
b)
[tex]f(x) = 56 \cos( \frac{2t\pi}{12} - \frac{\pi}{2} ) + 4[/tex]
c)
The height of the wheel's central axle is 32 meters.
f(x) = 56sin((2(x + 4)π/12) - (π/2)) + 4
You want to know the number of students in your school that have a January birthday. You survey the students in your math class. Three students have a January birthday, and 32 do not. So, you conclude that about 8.6% of the students in your school have a January birthday. Determine whether the conclusion is valid. Explain. (Sorry it’s so long)
Answers
It is not appropriate to generalize the findings of the survey to the entire school population.
What is survey?
The conclusion that about 8.6% of the students in the school have a January birthday is not necessarily valid based on the information provided.
The sample size of the survey is too small (only 3 students with January birthdays) and limited to one math class, so it may not be representative of the whole school population. Additionally, the sample is not randomly selected, which introduces the possibility of selection bias.
Therefore, it is not appropriate to generalize the findings of the survey to the entire school population. A more reliable way to determine the percentage of students with a January birthday would be to collect data from a larger, randomly selected sample of students across the entire school population.
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