Answer:
The Correct answer is D
Step-by-step explanation:
I got it right on my test :)
Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean number of dandelions per square meter was found to be 10.8.
Find the probability of no dandelions in an area of 1 m². P(X=0)=P(X=0)= Find the probability of at least one dandelion in an area of 1 m².
P(at least one) = Find the probability of at most two dandelions in an area of 1 m². P(X≤2)=P(X≤2)=
The probability of no dandelions in an area of 1 m² is approximately 0.00034.
Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean number of dandelions per square meter was found to be 10.8. Given this, we can find the probabilities of different numbers of dandelions in an area of 1 m².
Let X be the number of dandelions in a square meter. We can assume that X follows a Poisson distribution.
Using Poisson distribution, the probability of no dandelions in an area of 1 m² is:
P(X = 0) = e-10.8 × 10.8^0/0! ≈ 0.00034
In conclusion, the probability of no dandelions in an area of 1 m² is approximately 0.00034. This means that the occurrence of no dandelions in an area of 1 m² is very rare. The Poisson distribution is used when we are dealing with counts and the occurrence of events over a fixed interval or region. It is used when the occurrence of an event is rare, and it follows the assumption that the events occur independently of each other.
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I need Help finding the surface area of this composite figure please help URGENTTT !!
Answer:
4608
Step-by-step explanation:
4x4x4x6x12
7. Find the circumference of a circle whose diameter is 3.2 meters. Round to the nearest tenth.
A. 32.2 m
B. 8.0 m
C. 10.0 m
D. 5.0 m
Answer:
C. 10.0 m
Step-by-step explanation:
\(C=2\pi r\)
radius is half of diameter
\(r = \frac{d}{2} \\r=\frac{3.2}{2} \\\)
\(C= 2 (3.14) \frac{3.2}{2}\)
\(C= (3.14)3.2\\C=10\)
Find an exponential function of the form f(x) = ba-x + c that has the given horizontal asymptote and y-intercept and passes through point P. (Exact answers only; decimal approximations will be marked incorrect.)
y = 72; y-intercept 429; P (1, 645/4)
a =
b =
c =
The exponential function that satisfies the given conditions is\(f(x) = 357e^{(-x)} + 72.\)
What is the exponential function that meets the given criteria?The exponential function that satisfies the given conditions is \(f(x) = 357e^{(-x)} + 72\).
This function has a horizontal asymptote at y = 72, indicating that as x approaches infinity, the function approaches a value of 72. The y-intercept is 429, which means that when x = 0, f(x) equals 429.
The function also passes through the point P (1, 645/4), which means that when x = 1, f(x) equals 645/4.
The value of a, which determines the overall scaling of the function, is not explicitly given. However, it can be calculated by substituting the coordinates of point P into the function and solving for a.
By substituting x = 1 and f(x) = 645/4 into the function, we can solve for a and find that a = 5/4.
In summary, the exponential function that satisfies the given conditions is \(f(x) = 357e^{(-x)} + 72\), with a = 5/4.
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Consider a tire with a radius of 9 inches that is rolled 150 revolutions and travels
approximately 8,482 inches.
The tire with radius of 6 inches when rolled 150 revolutions travels approximately 5654 inches.
Equation
An equation is an expression that shows the relationship between two or more numbers and variables.
A tire with a radius of 9 inches that is rolled 150 revolutions and travels approximately 8,482 inches.
For a tire with radius r and that is rolled 150 revolutions and travels approximately 5654 inches:
9/8482 = r/5654
r = 6 inches
The tire with radius of 6 inches when rolled 150 revolutions travels approximately 5654 inches.
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farmula to calculate perimeter of rectangle
Answer:
P=2(L+w)
Step-by-step explanation:
The absolute value function graphed below can also be represented by a piecewise function.
Determine which function is represented by the graph.
please help!!!
Answer:
Step-by-step explanation:
Trust me
Identify the like terms in the expression.
Answer:D
The answer is D.
Step-by-step explanation:
Like terms are only related to the variable at the end, and the variable also has to have the same exponent or it is not a like term.
Find the slope and the Y-intercept of the graph below.
Answer:
the slope is (-2,0) (2,4)
y intercept is (0,2)
Step-by-step explanation:
brainliest?
What is the value of A for an equal tangent vertical curve has an initial grade of 2.0% and a final grade of -1.0%
An equal tangent vertical curve with an initial grade of 2.0% and a final grade of -1.0% has the value of A as 333.33 ft (130 words).An equal tangent vertical curve refers to a vertical curve consisting of two straight grades, with equal tangents at the vertex of the curve. The value of A is the length of the curve.
The formula for finding the length of an equal tangent vertical curve is given as follows:
\($$L=\frac {100A}{R} $$\)
Where, L is the length of the curve in feet,R is the radius of the curve in feetA is the algebraic difference in grades multiplied by 100Hence, the value of A for an equal tangent vertical curve that has an initial grade of 2.0% and a final grade of -1.0% can be calculated as follows:
\($$A= \frac {Final grade - Initial grade}{2}= \frac {-1-2}{2} = -\frac {3}{2} $$\)
Therefore, the length of the curve can be found as follows:
\($$L= \frac {100(-3/2)}{R}$$$$L= -50\frac {ft}{R} $$\)
The radius of the curve will be infinite if both grades are equal.
Therefore, the formula for an infinite radius is used to find A as follows:
\($$A= 2\Bigl(\frac {L}{3}\Bigr)$$\)
Substituting the value of L, we get:
\($$A= 2\Bigl(\frac {-50}{3}\Bigr)$$\)
\($$A= -\frac {100}{3} ft$$\)
However, since A is a length, it cannot be negative.
Therefore, taking the absolute value of A gives us the length of the equal tangent vertical curve, which is:
\($$A= \frac {100}{3} = 33\frac {1}{3} ft $$\)
Rounding up to the nearest whole number, the value of A is approximately 333.33 ft.
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how many license plates can be made using either 3 digits followed by 3 letters, or 3 letters followed by 3 digits?
Answer:
infinite
Step-by-step explanation:
the law in most states in the usa states there must be 3 letters and 3 numbers so there could be infinite
-hope this helps-
Drag each expression to show whether it is equivalent to (5·9)+(5·1), 45+15, or 15(3−1).
Answer now with steps and I will give Brainliest! Use picture below.
Answer:
Step-by-step explanation: Here is your answer 97
Please answer and telll me why no pog explanation please
Answer: D
Step-by-step explanation:
How do i delerte ths i dont need this anymore lollllllllllllllllllllllllll
To delete something you no longer need, simply select the content and use the delete or backspace key on your keyboard.
If you want to delete something you no longer need, whether it's a file, document, or any other digital content, there are a few steps you can follow. First, locate the item you want to delete, whether it's in a file explorer, email inbox, or any other application. Select the item by clicking on it or highlighting it. Then, use the delete or backspace key on your keyboard, or look for a delete option within the application or menu.
It's important to note that when you delete something, it is typically moved to the recycle bin or trash folder, depending on your operating system or application settings. This acts as a safety net, allowing you to recover the deleted content in case you change your mind. If you're certain you want to permanently delete the item, you can empty the recycle bin or trash folder, which will permanently remove the content from your system.
Before deleting anything, it's always a good practice to double-check and ensure that you won't need the content in the future. Consider making backups or copies of important files, especially if they contain valuable or irreplaceable information. Additionally, be mindful of any potential consequences or dependencies associated with the content you're deleting, such as shared files or linked documents, to avoid unintended disruptions or loss of data.
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In a pile of playing cards, there are 6 hearts, 4 clubs, and 8 spades. What is the probability that you will draw a heart?
1. 1/2
2. 1/6
3. 1/3
4. 1/12
Answer:
1/3
Step-by-step explanation:
The probability that you will draw a heart is 1/3, the correct option is 3.
What is the probability?Probability refers to a possibility that deals with the occurrence of random events.
The probability of all the events occurring need to be 1.
The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.
P(E) = Number of favorable outcomes / total number of outcomes
We are given that;
Number of cards= 6 hearts, 4 clubs, and 8 spades
Now,
To find the probability of drawing a heart, we need to divide the number of hearts by the total number of cards in the pile. The number of hearts is 6 and the total number of cards is 6 + 4 + 8 = 18.
The probability of drawing a heart is 1/18=1/3
Therefore, by probability the answer will be 1/3.
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The tangent of angle B is __
Answer:
\(\frac{\sqrt{95} }{7}\)
Step-by-step explanation:
The tangent is equal to the opposite/adjacent
the opposite of angle b is √95 and the adjacent of angle b is 7 so the tangent of angle b is \(\frac{\sqrt{95} }{7}\)
explain why the following equation is nonlinear. y=3x^5
plz help
Answer:
A linear equation is an equation of a straight line, which means that the degree of a linear equation must be 0 or 1 for each of its variables. In this case, the degree of variable y is 1 and the degree of variable x is 5 .
Therefore, it is not linear.
Sharon wants to switch from cable to satellite TV. She calls Great Vista Satellite to get a quote. After looking at her cable bill, the salesperson explains that they can provide the same 300 channels Sharon has for $0.20 less per channel. If she switches, her monthly satellite bill will come to $180.
Answer:
If Sharon has 300 channels with her cable service, then her monthly cost is calculated as follows:
300 channels × $0.20 per channel = $60
This means that Sharon's current cable bill is $60 per month. If she switches to Great Vista Satellite, her monthly cost will be $180, which is $120 more than her current bill. This increase in cost can be represented by the equation:
$120 = 300 channels × $0.20 per channel × m
where "m" is the number of months Sharon has to subscribe to the satellite service to break even.
Simplifying the equation, we get:
m = $120 ÷ ($0.20 × 300 channels) = 2
Therefore, Sharon will have to subscribe to the satellite service for 2 months to break even. After that, she will start saving $0.20 per channel per month compared to her cable service.
Help asap plssssssss
Answer:
A. True
B. False
C. True
D. False
Step-by-step explanation:
Sana makatulong
What is the the fraction 1 over 500 as a decimal?
Answer:
What is 1/500 as a decimal? To write 1/500 as a decimal you have to divide numerator by the denominator of the fraction. So the answer is 0.002
Step-by-step explanation:
Im smart lol
Answer:
0.002
Step-by-step explanation:
I hope this helps!!!
Brainliest?
is 1/6 a rational number?
Answer:
yes 1/6 is a rational number.
help me plzzzzzzz!!!!
\( {y}^{2} + 14 = 3 {y}^{2} \times 5\)
Answer:
\(y=1,\:y=-1\)
Step-by-step explanation:
\(y^2+14=3y^2\cdot \:5\\\y^2+14-14=3y^2\cdot \:5-14\\y^2=15y^2-14\\y^2-15y^2=15y^2-14-15y^2\\-14y^2=-14\\\frac{-14y^2}{-14}=\frac{-14}{-14}\\y^2=1\\\\y=\sqrt{1},\:y=-\sqrt{1}\\y=1,\:y=-1\)
Answer:
y = ± 1
Step-by-step explanation:
Given
y² + 14 = 3y² × 5, that is
y² + 14 = 15y² ( subtract y² from both sides )
14 = 14y² ( divide both sides by 14 )
1 = y² ( take the square root of both sides )
± \(\sqrt{1}\) = y , that is
y = ± 1
Thus y = - 1 or y = 1
Ryan is writing a composition for homework. He decides to keep track of the number of
sentences he writes compared to the time minutes he works. The graph below shows the data he collected.
At What Rate Does Ryan Write His Composition?
Answer:
Your answer will be 1.5
Step-by-step explanation:
I used my calculator to find out, your welcome:)
ASAP!! WILL GIVE BRAINLY!
Factor the expression below.
X^2-6x+9
Answer:
\((x-3)^2\)
Answer:
(x - 3)(x - 3) or (x - 3)^2.
Step-by-step explanation:
x^2 - 6x + 9
-3 * -3 = +9 and -3 + -3 = -6 so the factors are
(x - 3)(x - 3).
Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options. x < 5 –6x – 5 < 10 – x –6x + 15 < 10 – 5x A number line from negative 3 to 3 in increments of 1. An open circle is at 5 and a bold line starts at 5 and is pointing to the right. A number line from negative 3 to 3 in increments of 1. An open circle is at negative 5 and a bold line starts at negative 5 and is pointing to the left.
The value of x in the linear inequality -3(2x - 5) < 5(2 - x) is x > 5 which shows an open circle is at 5 and a bold line starts at 5 and is pointing to the right.
Linear InequalityA system of linear inequalities in two variables includes at least two linear inequalities in the identical variables. When we solve linear inequality then we get an ordered pair. So basically, in a system, the solution to all inequalities and the graph of the linear inequality is the graph displaying all solutions of the system.
In the given inequality, we have -3(2x - 5) < 5(2 - x)
We can expand the graph and simplify
-3(2x - 5) < 5(2 - x)
-6x + 15 < 10 - 5x
15 - 10 < -5x + 6x
5 < x
x > 5
This indicates that an open circle is at 5 and a bold line starts at 5 and is pointing to the right.
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pls help and explain. I will give brainliest
Answer:
4 2/3 hours
Step-by-step explanation:
There are 7 days in a week
2/3 of an hour per day * 7 days
2/3 *7 = 14/3 hours
Changing to a mixed number
4 2/3 hours
Answer:
4.667
Step-by-step explanation:
2/3*7=4.667 (if you need decimal notation)
If you need a mixed number:
4+2/3:-)
I hope this helps!
\(- RosalindCordelia\)
1/4 x -1/2 =
will give brainest
Hello,
\( \frac{1}{4} \times- \frac{1}{2} = \frac{1 \times (-1)}{4 \times 2} = - \frac{1}{8} \)
find the $1314^{\text{th}}$ digit past the decimal point in the decimal expansion of $\dfrac{5}{14}$.
The $1314^\text{th}$ digit past the decimal point is 2.
To find the $1314^\text{th}$ digit past the decimal point in the decimal expansion of $\frac{5}{14}$, we can use long division to compute the decimal expansion of the fraction.
The long division of $\frac{5}{14}$ is as follows:
```
0.35 <-- Quotient
-----
14 | 5.00
4.2 <-- Subtract: 5 - (14 * 0.3)
-----
80 <-- Bring down the 0
70 <-- Subtract: 80 - (14 * 5)
-----
100 <-- Bring down the 0
98 <-- Subtract: 100 - (14 * 7)
-----
20 <-- Bring down the 0
14 <-- Subtract: 20 - (14 * 1)
-----
60 <-- Bring down the 0
56 <-- Subtract: 60 - (14 * 4)
-----
40 <-- Bring down the 0
28 <-- Subtract: 40 - (14 * 2)
-----
120 <-- Bring down the 0
112 <-- Subtract: 120 - (14 * 8)
-----
80 <-- Bring down the 0
70 <-- Subtract: 80 - (14 * 5)
-----
...
```
We can see that the decimal expansion of $\frac{5}{14}$ is a repeating decimal pattern with a repeating block of digits 285714. Therefore, the $1314^\text{th}$ digit past the decimal point is the same as the $1314 \mod 6 = 0^\text{th}$ digit in the repeating block.
Since $1314 \mod 6 = 0$, the $1314^\text{th}$ digit past the decimal point in the decimal expansion of $\frac{5}{14}$ is the first digit of the repeating block, which is 2.
So, the $1314^\text{th}$ digit past the decimal point is 2.
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