URGENT - Will also give brainliest to simple answer
Answer:
6/6=1
Step-by-step explanation:
Correct surface area = Brainliest
The surface area of the triangular prism is approximately calculated as: 361.88 mm².
What is the Surface Area of a Triangular Prism?Surface area of any triangular prism = (Perimeter of the triangular base × Length of the prism) + (2 × Base Area)
= (S1 +S2 + S3)(L) + (bh)
Given the following variables:
S1 = 7.21 mm
S2 = 7.21 mm
S3 = 8 mm
L = 14 mm
b = 8 mm
h = 6 mm
Surface area = (7.21 + 7.21 + 8)(14) + (8 * 6)
Surface area = 361.88 mm²
Learn more about triangular prism on:
https://brainly.com/question/24907633
#SPJ1
In a sample of 20 items, you found six defective. In constructing a confidence interval for the proportion of defectives, you should use: the plus four method. the large-sample interval. neither of these two methods.
To construct a confidence interval for the proportion of defectives, we should use the plus four method.
Since the sample size is 20, which is not very large, the large-sample interval is not appropriate. Instep, we ought to utilize a strategy that's suitable for little test sizes.
The plus four method is one such method that is commonly used when the sample size is small. Therefore, to construct a confidence interval for the proportion of defectives, we should use the plus four method.
The plus four strategies may be a strategy for building a certainty interim for an extent when the test estimate is little.
To utilize this strategy, we to begin with include four fanciful perceptions to our test, two of which are flawed and two of which are not imperfect.
This increments the test estimate to 24, which permits us to utilize the typical guess to the binomial dispersion to build the certainty interim.
The equation for the certainty interim utilizing the also four strategies is:
p ± zα/2 √((p + 2) (1 - p + 2) / n + 4)
where:
p is the test extent (number of defectives/test estimate)
zα/2 is the basic esteem from the standard typical dissemination at the level of importance α/2
n is the test estimate (counting the included four nonexistent perceptions)
Therefore, to construct a confidence interval for the proportion of defectives, we should use the plus four method.
learn more about the plus four method
brainly.com/question/31504643
#SPJ4
11. What is the slope of the line y=1/2x-2
a.-2 b. -1/2
c.1/2
d. 2
ans. (c) 1/2
given line,
y = 1/2 x -2
we know that the slope form of the line is given by
y =mx+c
comparing both equations we get
m= 1/2
hence, the slope is 1/2
solve these 4 problems and I will give u brainlst.
The value of the identities are;
1. sin M = 3√39/20
2. sin M = √3/5
3. sin M = 3√19/14
4. sin M = √3/2
How to determine the ratiosThe different trigonometric identities and their ratios are written as;
sin θ = opposite/hypotenuse
cos θ = adjacent/hypotenuse
tan θ = opposite/adjacent
From the information given, we have;
1. opposite = 3√39
Hypotenuse = 20
Then, sin M = 3√39/20
2. Opposite = 4√3
Hypotenuse = 20
sin M = 4√3/20
Divide the values
sin M = √3/5
3. The Opposite side = 3√19
Hypotenuse = 14
sin M = 3√19/14
4. Opposite = 6√3
Hypotenuse = 12
sin M = 6√3/12
Divide the values
sin M = √3/2
Learn more about trigonometric identities at: https://brainly.com/question/7331447
#SPJ1
Given the triangle below...
30°
B
79
A
What is the measure of angle B?
Answer: 71
Step-by-step explanation: to get the answer you have to know that all the angles of a triangle have to add up to 180 so therefore you add the angles they gave you and then you minus them from 180 and you get 71
Tina bicycles for 2 hours at a constant speed, takes a break for 1 hour, and then continues to bicycle in the same direction for another
2 hours at the same speed she traveled previously. Which graph shows the total distance, d, in miles, Tina bicycles over t hours ?
Answer:
Step-by-step explanation:
To solve this problem, we can use the formula:
distance = rate x time
Since Tina bicycles at a constant speed, we can simplify the formula to:
distance = speed x time
For the first 2 hours, Tina bicycles at a constant speed, so the distance she travels is:
distance = speed x time = s x 2
After taking a 1-hour break, Tina continues to bicycle at the same speed for another 2 hours, so the distance she travels is:
distance = speed x time = s x 2
Therefore, the total distance Tina travels over the 5-hour period is:
total distance = 2s + 2s = 4s
This means that the total distance Tina bicycles is directly proportional to the speed at which she travels. In other words, if Tina travels twice as fast, she will cover twice the distance in the same amount of time.
With this in mind, we can eliminate choices (A) and (B), which show linear relationships between distance and time. Since Tina is traveling at a constant speed, the graph of her distance should be a straight line with a positive slope.
Choice (C) shows a straight line with a positive slope, but the slope is too steep. This graph would indicate that Tina is traveling at a much faster speed than she actually is.
Choice (D) shows a straight line with a positive slope that is not as steep as (C). This graph accurately represents Tina's constant speed and shows the increase in distance after the break. Therefore, the correct graph is (D).
Example
It took Markus half an hour to drive home from work. He averaged 34 miles per hour. How far does Markus live from his work?
Solution
We are given that it takes 1/2 an hour for the trip. This is a time:
t = 1/2
We are given that he averages 34 miles per hour. This is a rate:
r = 34
We are asked how few he has traveled. This is a distance. We use the d=rt equation:
d = rt
= (34)(1/2)
= 17
Markus lives 17 miles from work.
I hope everyone has a great day and can someone solve this will mark brainlist
y=8x-9
y=7
Answer:
x=2
Step-by-step explanation:
This is a system of equations that we can solve by using substitution.
We know that y=7. We know that y is also equal to 8x-9.
Since y is equal to both 7 and 8x-9, this must mean that 7 is also equal to 8x-9.
Let's set them equal and solve for x, like so:
[tex]y=8x-9=\\7=8x-9=\\16=8x=\\2=x[/tex]
So, x=2.
Triangle NMO is drawn with vertices N(−5, 2), M(−2, 1), O(−3 , 3). Determine the image vertices of N′M′O′ if the preimage is reflected over x = −2.
N′(5, −2), M′(2, 1), O′(3, 3)
N′(−2, 2), M′(1, 1), O′(0, 3)
N′(1, 2), M′(−2, 1), O′(−1, 3)
N′(−5, −2), M′(−2, −1), O′(−3, −3)
The image vertices of N'M'O' after reflecting triangle NMO over x = -2 are N'(1, 2), M'(-2, 1), and O'(-1, 3).
What is meant by vertices?
Vertices (singular: vertex) are the points where two or more edges meet in a geometric shape or object. They are also known as corners and are a defining feature of many shapes, including polygons, polyhedra, and graphs.
What is meant by a triangle?
A triangle is a geometric shape with three sides and three angles. It is a fundamental shape in geometry and has many practical applications in mathematics, science, and engineering.
According to the given information
In this case, the line of reflection is x = -2. The distance from N's x-coordinate to the line of reflection is |-5 - (-2)| = 3. So the x-coordinate of N' is -2 + 3 = 1. The y-coordinate of N' remains the same as N's y-coordinate, so N' = (1, 2).
The distance from M's x-coordinate to the line of reflection is |-2 - (-2)| = 0. So the x-coordinate of M' is -2 + 0 = -2. The y-coordinate of M' remains the same as M's y-coordinate, so M' = (-2, 1).
The distance from O's x-coordinate to the line of reflection is |-3 - (-2)| = 1. So the x-coordinate of O' is -2 + 1 = -1. The y-coordinate of O' remains the same as O's y-coordinate, so O' = (-1, 3).
So the image vertices of N'M'O' after reflecting triangle NMO over x = -2 are N'(1, 2), M'(-2, 1), and O'(-1, 3).
To know more about triangle visit
brainly.com/question/2773823
#SPJ1
A paper company produces 4,000 notebooks in 4 days.How many notebooks can it produce in 12 days
Answer:
12000 In 12 days
Step-by-step explanation:
12÷4=3
4000×3=12000
Can someone check if I’m right on all of these!?
If not please correct me, I have a test tomorrow :( thank youuu <3
Results from the Simple Interest:
1. The amount Tucker will receive in interest after 5 years = $1,165.50.
2 The simple interest rate Wilson would need to make his $9,000 grow to $85,000 in 16 years = 53%.
3. The number of years it will take for $7,000 to double in an account with 2.8% simple interest = ≈36 years.
4. The ending balance after 6 years = $25,472.
How to calculate Simple interest?Using Simple interest formula: S.I. = P × R × T
Simple interest (SI) formular = Interest (I) = Principal (P) * Rate (R) * Time(T)
Given:
P= $7,400
R = 3.15% or 0.0315
T = 5 years
Plugging in the values:
Interest = ($7,400 * 0.0315 * 5)
Interest = $1,165.50
2) Using SI formular: I = P* R * T
Given:
P = $9,000
I = $85,000 - $9,000 = $76,000 (as the total cost is the principal plus interest)
T = 16 years
Plugging in the values:
$76,000 = $9,000 * Rate * 16
R = $76,000 / ($9,000 * 16)
To convert to percentage, we multiply by 100:
Rate = 0.531 * 100
Rate = 53.1%.
3) Using SI formular: I = P* R * T
Given:
P = $7,000
R = 2.8%
I = P
T = ?
Plugging in the values and solving for Time (T):
$7,000 = $7,000 * 0.028 * T
T = $7,000 / ($7,000 * 0.028) = 35.7
T ≈36 years
4. Using SI formular: I = P* R * T
Given:
P = $20,000
R = 4.56%
T = 6 years
Plugging in the values:
P = $20,000
R = 4.56% or 0.0456
T = 6 years
Ending Balance (EB) = P + (Pl * R * T)
EB = $20,000 + ($20,000 * 0.0456 * 6)
EB = $20,000 + $5,472
EB = $25,472
Learn more about simple interests at brainly.com/question/29792010
#SPJ1
URGENT - Will also give brainliest to explained answer
Answer:
The perimeter of a semicircle is the sum of half of the circumference of the circle and its diameter. As the perimeter of a circle is 2πr or πd. So, the perimeter of a semicircle is 1/2 (πd) + d or πr + 2r, where r is the radius.
What are the coordinates of F' and G' for D(6.(2,5)) [F (3,11), G (2,8)]?
Answer: To find the coordinates of F' and G', we need to reflect points F and G across the line y = 5, since point D is located on this line.
For point F, the y-coordinate changes from 11 to -1, since the distance between the line y = 5 and point F is 6 units (2 times the distance between D and the line). Therefore, the coordinates of F' are (3,-1).
For point G, the y-coordinate changes from 8 to 2, since the distance between the line y = 5 and point G is 3 units (1.5 times the distance between D and the line). Therefore, the coordinates of G' are (2,2).
Thus, the coordinates of F' are (3,-1) and the coordinates of G' are (2,2).
9. Suppose a boat travels 96 miles downstream and then travels the same distance
upstream. In still water, the boat travels at a speed of 18 mph. Let x be the speed of
the current. If the total trip takes 12 hours, find the speed of the current to the
nearest whole number. Use t = . (Hint: Going downstream, the boat is going
with the current and going upstream, the boat is going against the current.) [10
points]
If the total trip takes 12 hours, the speed of the current is 1 mph.
What is speed?The speed of an object is described as the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time.
The downstream trip:
distance = rate × time
96 = (18 + x) × t ( 18 + x)
The upstream trip:
distance = rate × time
96 = (18 - x) × (12 - t)
96 = (18 - x) × (12 - t)
8 = x - (x/6)t
We have two equations and two unknowns, so we can solve for x and t.
We solve for x by making t subject fomula and substituting into the equation.
Where x = 1
In conclusion, if the total trip takes 12 hours, the speed of the current is 1 mph.
Learn more about speed at: https://brainly.com/question/4931057
#SPJ1
What is the probability of rushing picking a blue shin
If in an Bernoulli experiment the chance of picking red ball is 3.2 times higher than to pick a blue ball, the probability of picking a red ball is approximately 0.7619, or 76.19%.
A Bernoulli experiment is a statistical experiment that has only two possible outcomes, usually referred to as success and failure. In this case, the outcomes are picking a red ball or picking a blue ball.
Let's assume that the probability of picking a blue ball is P(B), and the probability of picking a red ball is P(R). We are given that the chance of picking a red ball is 3.2 times higher than the chance of picking a blue ball. Mathematically, this can be expressed as:
P(R) = 3.2 * P(B)
We also know that the sum of the probabilities of all possible outcomes must be 1, so:
P(R) + P(B) = 1
We can use these two equations to solve for P(R):
P(R) + (1/3.2) * P(R) = 1
(4.2/3.2) * P(R) = 1
P(R) = 3.2/4.2 = 0.7619
This means that out of every 10 balls, about 7.6 will be red and 2.4 will be blue.
To learn more about probability click on,
https://brainly.com/question/29221515
#SPJ4
Complete question is:
In an Bernoulli experiment the chance of picking red ball is 3.2 times higher than to pick a blue ball. What is the probability of picking the red ball?
multiply 1 1/4 by 180
Answer:
225
Step-by-step explanation:
1 1/4 can be put into decimal form:
1.25
So the equation would now be
1.25 times 180
use a calculator:
225
Answer: 225
1 1/4 x 180 = 225
if your degrees of freedom is 24, your sample size when conducting a t test for dependent means must be ______. a. 26 b. 23 c. 25 d. 24
If the degree of freedom is 24, your sample size when conducting a t-test for dependent means must be 25. Option C is the correct answer.
The sample size when conducting a t-test for dependent means depends on the specific study design and the level of significance desired, and cannot be determined solely based on the degrees of freedom.
However, if we assume that the sample size is equal for both groups, then the formula to calculate the degrees of freedom for a t-test for dependent means is:
df = n - 1
Where "n" is the number of pairs of observations in the sample.
Therefore, if the degree of freedom is 24, then the number of pairs of observations in the sample would be:
n = df + 1 = 24 + 1 = 25
Hence, the answer is 25.
Learn more about the degrees of freedom at
https://brainly.com/question/31178740
#SPJ4
Tegan walked for 7 hours at an average speed of 2.8 miles per hour. How many miles did Tegan walk? (If answer is a decimal, give to 1 d.p)
Answer:
20 miles
Step-by-step explanation:
1 hr= 2.8 miles
7hrs=2.8×7
2.8×7= 19.6
19.6 to 1dp is 20
I NEED HELP ON THIS ASAP!! IT'S DUE TODAY!
The value of the functions are;
f(-4) = 1/16
f(-3) = 1/8
f(-2) = 1/4
f(-1) = 1/2
f(0) = 1
How to determine the valueIt is important to note that functions are described as equations or expressions that shows the relationship between two variables.
From the information given, we have that;
The function, f(x) = 2ˣ
To determine the value of f(x) for -4, we have to substitute the value
f(x) = 2⁻⁴
find the value
f(-4) = 1/2⁴ = 1/16
For the value of f(-3)
f(-3) =2⁻³
find the value
f(-3) = 1/2³ = 1/8
For the value of -2
f(-2) = 2⁻²
f(-2) = 1/2² = 1/4
For the value of -1
f(-1) = 2⁻¹
f(-1) = 1/2¹ = 1/2
For the value of 0
f(0) = 2⁰
f(0) = 1
Read more about functions at: https://brainly.com/question/25638609
#SPJ1
put on pair of brackets into each calculation to make it correct
a. 6×7-5 +4= 16
b. -2[tex]x^{2}[/tex]+24÷12-4=2
(a) The simplified and correct expression is (6×7)-(5 +4) = 16
(b) The simplified and correct expression is (-2x²) + (24÷12)-4 = 2
What is the simplified expression?
a. 6×7-5 +4= 16
In this calculation, we need to use brackets to ensure the correct order of operations, which is typically remembered using the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division [from left to right], Addition and Subtraction [from left to right]).
Without brackets, the calculation would be evaluated as follows:
6×7-5 +4 = 42-5 +4 (applying multiplication first)
= 37 +4 (applying subtraction)
= 41 (applying addition)
However, the desired result is 16. To achieve this, we can use brackets to group the addition and subtraction operations together, like this:
(6×7)-(5 +4) = 42 - 9 (applying addition within the brackets first)
= 33 (applying subtraction)
b. -2x²+24÷12-4=2
Similarly, in this calculation, we need to use brackets to ensure the correct order of operations.
Without brackets, the calculation would be evaluated as follows:
-2x²+24÷12-4 = -2x²+2-4 (applying division first)
= -2x²-2 (applying addition and subtraction)
However, the desired result is 2. To achieve this, we can use brackets to group the division and subtraction operations together, like this:
-2x²+(24÷12)-4 = -2x²+2-4 (applying division within the brackets first)
= -2x²-2 (applying addition and subtraction)
By adding brackets to each calculation to ensure the desired order of operations, we arrive at the correct results of 16 and 2, respectively.
Learn more about PEMDAS here: https://brainly.com/question/11421179
#SPJ1
There are 31 students in a class. Each student was asked how many pets he has at home. The table below summarizes the data.
Based on the data, estimate the probability that a randomly selected student from this class has four or more pets at home. Round your answer to the nearest two decimal places.
The probability that a randomly selected student from this class has four or more pets at home is 4/31 ≈ 0.13 when rounded to the nearest two decimal places.
Explain probability
Probability is a measure of the likelihood or chance of an event occurring. It is a numerical value between 0 and 1, with 0 indicating no chance and 1 indicating certainty. Probability is calculated by dividing the number of desired outcomes by the total number of possible outcomes. It is used in many fields, including mathematics, statistics, science, and engineering.
According to the given information
Based on the data provided, there are a total of 4 students who have four or more pets at home
(0 with 4 pets + 1 with 5 pets + 2 with 6 pets + 1 with 7 pets).
Since there are a total of 31 students in the class, the probability that a randomly selected student from this class has four or more pets at home is 4/31 ≈ 0.13 when rounded to the nearest two decimal places.
To know more about probability visit
brainly.com/question/11234923
#SPJ1
At a small high school, there are 80 girls in the senior class. Some of them play basketball, some play soccer, some play both, and some play neither. The table shows the joint and marginal frequencies for the senior girls.
If you know that a girl plays soccer, what is the probability that she also plays basketball? Express your answer as a decimal. If necessary, round your answer to the nearest hundredth
If you know that a girl plays soccer, then the probability that she also plays basketball = 0.23
The correct answer is an option (c)
Let's assume that event S: a girl plays soccer
event B: a girl plays basketball
Here, the probability that the girl plays soccer would be,
P(S) = P(SB) + P(SB')
where B' means a girl does not play basketball
here, P(SB) = 0.075 and P(SB') = 0.250
So, P(S) = 0.075 + 0.250
P(S) = 0.325
We need to find the probability that a girl plays basketball knowing that she plays a soccer.
i.e., the conditional probability P(B|S)
Using formula for the conditional probability,
P(B|S) = P(BS) / P(S)
= 0.075 / 0.325
= 0.23
Therefore, the correct answer is an option (c)
Learn more about the probability here:
https://brainly.com/question/15124899
#SPJ4
Find the complete question below.
the cheese head in the image is a triangular prism. the base of the triangle is 12 and the height of the triangle is 8 in. the 3-d is 4 in. what is the volume of the cheese head
The volume of the cheese head is 192 cubic inches.
Explain the term volume
Volume refers to the amount of space that an object or substance occupies in three dimensions. It is typically measured in units such as cubic meters or cubic feet. The volume of an object can be calculated using various formulas, depending on its shape and dimensions.
According to the given information
The volume V of a triangular prism is given by the formula:
V = (1/2) * b * h * L
In this case, the base of the triangle is 12 inches, the height of the triangle is 8 inches, and the length of the prism (depth of the 3D shape) is 4 inches. Substituting these values into the formula, we get:
V = (1/2) * 12 * 8 * 4
V = 192 cubic inches
To know more about volume visit
brainly.com/question/1578538
#SPJ1
if you repeated a hypothesis test 1,900 times (in other words, 1,900 different samples from the same population), how many times would you expect to commit a type i error, assuming the null hypothesis were true, if
Answer: Assuming a significance level of 0.05 for each hypothesis test, the probability of committing a Type I error (rejecting the null hypothesis when it is actually true) in any given test is 0.05.
Therefore, the expected number of Type I errors in 1,900 hypothesis tests is:
Expected number of Type I errors = (0.05) x (1,900) = 95
So, we would expect to commit a Type I error about 95 times in 1,900 hypothesis tests, assuming the null hypothesis were true.
Step-by-step explanation:
if jimmy had 4/9 cups of juice and his friend give him 3/9 more cups juice how many cups of juice do jimmy have
Answer: 7/9
Step-by-step explanation: 3 + 4 = 9
add the /9 = 7/9
what is b equal too?[tex]441+b^{2} =3011.81[/tex]
Based on the equation 441 + b² = 3011.81, the value of b is equal to 50.7032.
What is an exponent?In Mathematics, an exponent is a mathematical operation that is typically used in conjunction with an algebraic expression in order to raise a quantity to the power of another.
This ultimately implies that, an exponent is represented by the following mathematical expression;
bⁿ
Where:
the variables b and n are numerical values (numbers) or an algebraic expression.n is referred to as a superscript or power.Based on the given equation, we have the following;
441 + b² = 3011.81
By subtracting 441 from both sides of the equation, we have the following:
441 + b² - 441 = 3011.81 - 441
b² = 3011.81 - 441
b² = 2570.81
b = √2570.81
b = 50.7032.
Read more on exponent here: https://brainly.com/question/27858496
#SPJ1
Question 4
Davey is setting up a retirement account, planning to invest $5,000 per year. Assume the account earns 9.35%. He will keep these deposits up for the first 20 years, and then stop making deposits, leaving the account open for another 20 years. Based on these assumptions, how much will he have in the account at the end of 40 years?
Hence, after 40 years, Davey will have $1,476,289.64 in his retirement account as n = the number of cycles.
what is unitary method ?A problem-solving strategy known as the unitary technique is determining the worth of one unit of such a quantity and utilising that value to determine the value of an other number of units related to that quantity. For issues where the price of one unit is given and the value of some other quantity is needed, it is a proportionality strategy. The unitary method's fundamental principle is to establish a ratio between two numbers, where one of the numbers is represented in the form of one unit while the other quantity is defined in terms of a greater number of units.
given
If Davey doesn't add any more money to his retirement account for the next 20 years, it will increase to:
[tex]FV = P * (1 + r)^n[/tex]
where FV is the lump sum's future value
P is the lump sum's present value, which in this example is $214,111.26.
R is the annual interest rate, which in this case is 9.35%.
n = the number of cycles (in this case, 20 years)
The following equation can be used to determine Davey's retirement account's potential value after 40 years:
[tex]FV = 214,111.26 * (1 + 0.0935)^20 = $1,476,289.64[/tex]
Hence, after 40 years, Davey will have $1,476,289.64 in his retirement account as n = the number of cycles.
To know more about unitary method visit:
https://brainly.com/question/28276953
#SPJ1
Suppose a normal distribution has a mean of 16 and a standard deviation of 4.
A value of 26 is how many standard deviations away from the mean?
Responses
−2.5
negative 2.5
−1.5
negative 1.5
1.5
1.5
2.5
A value of 26 is 2.5 standard deviations away from the mean.
To find the number of standard deviations away from the mean, we can use the formula:
z = (x - μ) / σ
where x is the value we want to convert to a z-score, μ is the population mean, and σ is the population standard deviation.
In this case, the value we want to convert is x = 26, the population mean is μ = 16, and the population standard deviation is σ = 4. Substituting these values into the formula, we get:
z = (26 - 16) / 4 = 2.5
This means that the value of 26 is 2.5 standard deviations away from the mean. Since the z-score is positive, we know that the value of 26 is above the mean. Therefore, the answer is option D, 2.5.
To learn more about standard deviations here:
https://brainly.com/question/23907081
#SPJ1
Following the logic shown in the proof above, describe the missing answer for "Reason 3".
A
SAS
B
AAS
C
SSA
D
ASA
Based on the given options and the information provided, the missing answer for "Reason 3" is option D, ASA.
The proof mentioned is based on the fact that the two triangles have two pairs of congruent angles and one pair of congruent sides.
This corresponds to the criteria for the ASA postulate, which states that if two triangles have two pairs of congruent angles and one pair of congruent sides, then the triangles are congruent.
Therefore, by using the ASA postulate, we can conclude that the two given triangles are congruent.
Learn more about Triangle here:
brainly.com/question/2773823
#SPJ1
which decimal is equivalent to 125/1000?
A. 1.25
B. 0.125
C. 0.0125
D. 0.00125
Answer:
The answer to your problem is, B. 0.125
Step-by-step explanation:
Here is something that is simple so you will not forget easily.
( Just replace the numbers like how you shown in fraction )
= [tex]\frac{125}{1000}[/tex]
= 125 ÷ 1000
= 0.125
Simple but effective
0.125 is the answer.
Thus the answer to your problem is, B. 0.125