The stem display for the data, given the monthly rent and the apartment building is:
$14 | 10 15 35
$15 | 15 55 75 95
$16 | 40 90
How to make the stem display ?To create a stem display, we first divide the data into groups of tens. The first group is $ 1400 -$ 1499, the second group is $ 1500 - $1599 , and so on. Next, we write the units digit of each number in the appropriate group.
For example, the number 1,710 is in the $ 1500 - $ 1599 group, so we write a 1 in the 15 column. Finally, we count the number of numbers in each group. There are three numbers in the $ 1400 - $ 1499 group, two numbers in the $ 1500 - $ 1599 group, and three numbers in the $ 1600 - $ 1699 group.
Find out more on stem displays at https://brainly.com/question/31663204
#SPJ1
A sensor is used to monitor the performance of a nuclear reactor. The sensor accurately reflects the state of the reactor with a probability of .97. But with a probability of .02, it gives a false alarm (by reporting excessive radiation even though the reactor is performing normally), and with a probability of .01, it misses excessive radiation (by failing to report excessive radiation even though the reactor is performing abnormally).
What is the probability that a sensor will give an incorrect report, that is, either a false alarm or a miss?
To reduce costly shutdowns caused by false alarms, management introduces a second completely independent sensor, and the reactor is shut down only when both sensors report excessive radiation. (According to this perspective, solitary reports of excessive radiation should be viewed as false alarms and ignored, since both sensors provide accurate information much of the time.) What is the new probability that the reactor will be shut down because of simultaneous false alarms by both the first and second sensors?
Being more concerned about failures to detect excessive radiation, someone who lives near the nuclear reactor proposes an entirely different strategy: Shut down the reactor whenever either sensor reports excessive radiation. (According to this point of view, even a solitary report of excessive radiation should trigger a shutdown, since a failure to detect excessive radiation is potentially catastrophic.) If this policy were adopted, what is the new probability that excessive radiation will be missed simultaneously by both the first and second sensors?
1. The probability that the sensor will give an incorrect report is 0.03 or 3%.
2. The probability that the reactor will be shut down because of simultaneous false alarms by both sensors is 0.0004 or 0.04%.
3. The probability that excessive radiation will be missed simultaneously by both sensors is 0.0001 or 0.01%.
1. Probability of the sensor giving an incorrect report (false alarm or miss):The probability of a false alarm is 0.02.
The probability of a miss is 0.01.
P(false alarm or miss)
= P(false alarm) + P(miss)
= 0.02 + 0.01 = 0.03
Therefore, the probability that the sensor will give an incorrect report is 0.03 or 3%.
2. Probability of simultaneous false alarms by both sensors:
P(false alarm by both sensors)
= P(false alarm by sensor 1) * P(false alarm by sensor 2)
= 0.02 * 0.02
= 0.0004
Therefore, the probability that the reactor will be shut down because of simultaneous false alarms by both sensors is 0.0004 or 0.04%.
3. Probability of missing excessive radiation by both sensors:
P(miss by both sensors)
= P(miss by sensor 1) * P(miss by sensor 2)
= 0.01 * 0.01
= 0.0001
Therefore, the probability that excessive radiation will be missed simultaneously by both sensors is 0.0001 or 0.01%.
Read more on probability here:https://brainly.com/question/24756209
#SPJ1
please help its due today and I need a good grade on it!!!!
The equation of the parabola that models the cross section of the reflector is: y = (1/32)x².
To model a cross section of the reflector as a parabola that opens upward and has its vertex at the origin,
We can use the standard equation for a parabola in vertex form:
y = a(x - h)² + k
In this equation, (h, k) represents the coordinates of the vertex.
Since we want the vertex to be at the origin (0, 0), the equation becomes:
y = ax²
To determine the value of 'a,' we can use the given information that the bulb is located 8 inches from the vertex.
Since the bulb is located at the focus, we know that the distance from the vertex to the focus (f) is also 8 inches.
In a parabola, the distance from the vertex to the focus is given by the formula f = 1/(4a).
Plugging in the value of f (8) into the formula, we can solve for 'a':
8 = 1/(4a)
32a = 1
a = 1/32
Therefore, the equation of the parabola that models the cross section of the reflector is: y = (1/32)x²
Learn more about parabola click;
https://brainly.com/question/29267743
#SPJ1
Suppose that on January 1 you have a balance of $3100 on a credit card whose APR is 17%, which you want to pay off in 1 year. Assume that you make no additional charges to the card after January 1
.a. Calculate your monthly payments.
b. When the card is paid off, how much will you have paid since January 1?
c. What percentage of your total payment from part (b) is interest?
a. Your monthly payments would be approximately $275.49.
b. When the card is paid off, you will have paid approximately $3,305.88 since January 1.
c. The percentage of your total payment that is interest is approximately 6.3%.
To calculate the monthly payments, we first need to determine the interest rate per month.
Since the APR is 17%, we divide it by 12 to get the monthly interest rate: 17% / 12 = 1.42%.
a. Monthly payments:
To pay off the credit card balance in one year (12 months), we divide the total balance by the number of months:
$3100 / 12 = $258.33 (approximately)
Therefore, your monthly payment should be approximately $258.33.
b. Total amount paid:
To calculate the total amount paid since January 1, we multiply the monthly payment by the number of months (12):
$258.33 * 12 = $3,099.96
Therefore, you will have paid approximately $3,099.96 since January 1.
c. Percentage of payment as interest:
To determine the percentage of the total payment that is interest, we subtract the initial balance from the total amount paid to find the total interest paid:
Total interest = Total amount paid - Initial balance
Total interest = $3,099.96 - $3100
Total interest = $-0.04 (approximately)
The negative value implies that the balance was paid off completely before the end of the year, resulting in a small overpayment.
As a result, there is no interest to calculate as it has been paid in full.
For similar question on interest.
https://brainly.com/question/20690803
#SPJ8
(a) In the figure below, m AB = 106° and m CD =66. Find mAEB
Answer:
[tex]\huge\boxed{\sf \angle AEB=86 \textdegree}[/tex]
Step-by-step explanation:
Given:arc AB = 106°
arc CD = 66°
Statement:According to angles of intersecting chords theorem, the measure of angle formed by two intersecting chords is half the sum of arcs intercepted by the angle.Mathematical form:[tex]\displaystyle \angle AEB=\frac{1}{2} (arc \ AB+arc \ CD)[/tex]
Solution:Put the given data in the above formula.
[tex]\displaystyle \angle AEB=\frac{1}{2} (106 + 66)\\\\\angle AEB=\frac{1}{2} (172)\\\\\angle AEB=86 \textdegree \\\\\rule[225]{225}{2}[/tex]
Two coins are tossed. What is the probability of both coins landing on heads?
1/4 or 0.25 is the probability of both coins landing on heads.
When two coins are tossed, there are four possible outcomes: both coins can land on heads (HH), both coins can land on tails (TT), or one coin can land on heads while the other lands on tails (HT or TH).
To find the probability of both coins landing on heads, we need to determine the number of favorable outcomes (HH) and divide it by the total number of possible outcomes. The number of favorable outcomes is 1 (HH), as there is only one way for both coins to land on heads.
The total number of possible outcomes is 2 * 2 = 4, since each coin has two possible outcomes (heads or tails), and we multiply them together to account for all possible combinations.
Therefore, the probability of both coins landing on heads is:
Probability = Number of favorable outcomes / Total number of possible outcomes
Probability = 1 / 4
Simplifying the fraction, we get:
Probability = 1/4
So, the probability of both coins landing on heads is 1/4 or 0.25.
This means that out of all the possible outcomes when two coins are tossed, there is a 1 in 4 chance that both coins will land on heads. It's important to note that the probability assumes fair and unbiased coins, where the chance of heads and tails is equal.
Know more about Probability here:
https://brainly.com/question/13604758
#SPJ8
Si un editor pone un precio de S/ 16 a un libro, se venderán 10,000 copias. Por cada dólar que aumente al
precio se dejarán de vender 300 libros. ¿Cuál debe ser el precio al que se debe vender cada libro para
generar un ingreso total por las ventas de S/ 129200?
Answer:
Step-by-step explanation:
Amazon purchases an office chair for $63, and marks it up 28%.
Which equation can be used to find the selling price of the office chair?
$63 + ($63 · 0.28) = $80.64
[tex]f = p + pm[/tex] where:
[tex]f[/tex] = final price: $80.64,
[tex]p[/tex] = original price: $63,
and [tex]m[/tex] = markup percent (in decimal): 28% → 0.28.
6. Julie went to a family reunion at a restaurant. In total there were 8 families that attended. The bill at the restaurant was $1,060.32. How much does each family need to pay if they split the bill evenly? (WITHOUT TIP!)
Answer:
$132.54
Step-by-step explanation:
$1060.32 / 8 families = $132.54 / family
A rock is thrown from the top of a building. The height s (in feet) as a function of time (in seconds) can be modeled by the function
s(t) = -16t² + 3000
Approximately when will the rock be 1,976 feet above the ground.
O a
Ob
C
8 sec
135 sec
85 sec
15 sec
Answer: the rock will be at a height of 1,976 feet above the ground after approximately 8 seconds
Step-by-step explanation:
We can start by setting the height function equal to 1,976 and solving for t:
-16t² + 3000 = 1976
Subtracting 1976 from both sides, we get:
-16t² + 1024 = 0
Dividing both sides by -16, we get:
t² - 64 = 0
Factoring, we get:
(t + 8)(t - 8) = 0
So t = 8 or t = -8. We can ignore the negative solution since time cannot be negative.
Therefore, the rock will be at a height of 1,976 feet above the ground after approximately 8 seconds.
Answer: (A) 8 sec
What is the area of this figure
Answer: i believe it’s 68
Step-by-step explanation:
My knowledge
Find the measure of the red arc or chord in ⊙C
The calculated measure of the red arc in ⊙C is 5
How to find the measure of the red arc or chord in ⊙C.From the question, we have the following parameters that can be used in our computation:
The circle
From the circle, we have
Centers = C
Also, we have
Corresponding segments are equal segments
Using the above as a guide, we have the following:
UV = TU
Where
TU = 5
This gives
UV = 5
Hence, the value of UV is 5
Read more about circle at
https://brainly.com/question/32192505
#SPJ1
You have a bag of 12 blue marbles (numbered 1-12) and 12 red marbles (numbered 1-12). So you have 24 marbles in total (half blue and half red) with each of the numbers 1-12 appearing twice (once in each color). You draw one marble at random, replace it to the bag, mix up the marbles, and draw a second marble. Determine each of the following probabilities. P ( first marble is blue and second marble is red ) =
The probability that the first marble drawn is blue and the second marble drawn is red is 1/4 or 0.25, which can also be expressed as 25%.
To determine the probability of drawing a blue marble on the first draw and a red marble on the second draw, we need to consider the total number of marbles and the number of blue and red marbles in the bag
In this case, we have a bag with 12 blue marbles and 12 red marbles, making a total of 24 marbles.
When drawing the first marble, there is a 12/24 probability of selecting a blue marble since there are 12 blue marbles out of the total 24 marbles in the bag.
After replacing the first marble back into the bag and mixing up the marbles, the probability of drawing a red marble on the second draw is also 12/24, as there are still 12 red marbles remaining out of the total 24 marbles.
To find the overall probability, we multiply the probabilities of each event since they are independent events:
P(first marble is blue and second marble is red) = P(first marble is blue)[tex]\times[/tex]P(second marble is red)
[tex]= (12/24) \times (12/24)[/tex]
[tex]= (1/2) \times (1/2)[/tex]
= 1/4.
For similar question on probability.
https://brainly.com/question/7965468
#SPJ11
What is the slope of the line that passes through the points (2,-4) and (5, 2)? Write
your answer in simplest form.
Answer:
undefined
Submit Answer
attempt 1 out of 2
Answer:
1/2
Step-by-step explanation:
Slope formula:
[tex] \boxed{ \purple{ \sf \: m = \frac{ y_{2} - y_{1}}{x_{2} -x_{1} } }}[/tex]
P.S. Slope is denoted by letter m
We have;
[tex]x_{1}, y_{1}[/tex] = (2,-4)[tex]x_{2}, y_{2}[/tex] = (5,2)[tex] \red \implies \green{ \tt \: m = \frac{2 - ( - 4)}{5 - 2} }[/tex]
[tex] \red \implies \green{ \tt \: m = \frac{ \cancel6}{ \cancel3} }[/tex]
[tex] \red \implies \green{ \tt \: m = \frac{ 2}{ 1} = 2} [/tex]
23. Solve for the missing variables.
The values of the missing variables are:
a = 57
b = 75
c = 96
d = 150
We have,
Angle 48 is half the intercepted arc.
So,
1/2 x c = 48
c = 48 x 2
c = 96
Now,
Similarly
Angle a = 1/2 x 114
Angle a = 57
And,
The sum of the angles in a triangle = 180
a + b + 48 = 180
57 + b + 48 = 180
b = 180 - (57 + 48)
b = 180 - 105
b = 75
Now,
Angle b = 1/2 x d
75 = 1/2 x d
d = 75 x 2
d = 150
We can also see that,
114 + c + d = 360
114 + 96 + 150 = 360
360 = 360
Thus,
The values of the missing variables are:
a = 57
b = 75
c = 96
d = 150
Learn more about arc lengths here:
https://brainly.com/question/16403495
#SPJ1
I dont get this question equation
y=0.5 (6) - 4
I know that 0.5 is equivalent to 1/2 but I just don’t get this question
Answer
[tex]\pink\sf{y=-1}[/tex]
Step-by-step explanation
I'm assuming that this exercise is asking us to simplify the equation [tex]\sf{y=0.5(6)-4}[/tex].
We know that 0.5 (6) means 0.5 multiplied by 6. That is the same as 6 divided by 2, which is 3:
[tex]\sf{y=3-4}[/tex]
And now we just simplify the last part:
[tex]\sf{y=-1}[/tex]
∴ answer: y = -1
Can I have help, please?
Math
82°F
Algebra 1 CC.20 Checkpoint: Quadratic equations NXG
2
x² - y + x = 16
y = 3x + 2
3x² - y + 32 = 22x
y = 2x - 16
Language arts
Decide whether each system of equations has two real solutions, exactly one real solution, or
no real solutions.
y = -x² + 6x + 12
y = -x +3
Answer:
x² - y + x = 16 is 1 real solution
3x² - y + 32 = 22x is 2 real solutions
y = -x² + 6x + 12 is 1 real solution
Step-by-step explanation:
sorry i am unsure about rest, they do not have a value. good luck :)
Calculate the bearing of Y from X
Answer:
074°
Step-by-step explanation:
the bearing of Y from X is the measure of the angle from the north line (N) at X in a clockwise direction to Y , that is ∠ NXY
∠ NXY = 180° - 106° = 74°
the 3- figure bearing of Y from X is 074°
stered comsident p43336280840
Save the expression by solating the variable Hemember to balance the equation in each step you take
2
0-6
The result of the expression 20 - 6 is 14.
To solve the given expression, 20 - 6, and isolate the variable, we need to clarify whether there is an equation involved. However, in this case, the expression does not contain any variable to isolate, and it is not an equation that needs balancing. It is a straightforward arithmetic expression.
Step 1: Start with the given expression, 20 - 6.
Step 2: Evaluate the subtraction operation: 20 - 6 = 14.
Step 3: The simplified expression is now 14. However, since there is no variable present, there is no need to isolate any variable.
This means that when you subtract 6 from 20, the answer is 14. Remember that isolating a variable and balancing an equation are relevant when dealing with equations that involve variables. In this case, the expression is a simple subtraction operation, yielding a constant value of 14 as the answer.
For more questions on Arithmetic expression
https://brainly.com/question/29525069
#SPJ8
A rental company charges $75 a day and 25 cents a mile for renting a truck. Michael rents a truck for 2 days, and his bill came to $243. How many miles did he drive?
The calculated total distance he drive is 372 miles
How many miles did he drive?From the question, we have the following parameters that can be used in our computation:
Charges $75 a day25 cents a mileSo, we have
Total charges = 75 * days + 0.25 * miles
For 2 days and total ot 243. we have
75 * 2 + 0.25 * miles = 243
So, we have
miles = 372
Hence, the total distance he drive is 372 miles
Read more about linear relation at
https://brainly.com/question/30318449
#SPJ1
5 years ago the ratio of mark's age was 3:4 mark is 12 yr younger than francis how old is francis now.
5 years ago the ratio of Mark's age was 3:4 mark is 12 yr younger than Francis, now Francis is currently 53 years old
Let us suppose that age of him 5 years ago was 3x and Francis's age 5 years ago was 4x. According to the given information, Mark is 12 years younger than Francis.
So, we can set up the equation: 3x + 12 = 4x.
Simplifying the equation, we have: 12 = x.
This means that 5 years ago,
Mark age = 3 * 12 = 36 years old,
Francis age = 4 * 12 = 48 years old.
Now, to find out how old Francis is now, we add 5 years to both Mark and Francis. Thus, Francis's current age is 48 + 5 = 53 years.
Therefore, Francis is currently 53 years old.
For more details regarding equation, visit:
https://brainly.com/question/29538993
#SPJ1
A(2, 50°) is a point in a polar coordinate plane. Let O be the pole. 2 If B is another point in the same polar coordinate plane such that OA LOB and OB = 3 units, write down one possible answer for the coordinates of B.
Given statement solution is:- The coordinates of point B is (3, 50°).
In the given scenario, we have point A with polar coordinates (2, 50°) and the pole O. We need to find point B such that OA is parallel to OB and OB has a length of 3 units.
Since OA and OB are parallel, they have the same angle with the positive x-axis. Therefore, the angle between OB and the positive x-axis would also be 50°.
To find the coordinates of point B, we can use the polar coordinates system, where the distance from the pole is denoted by r and the angle with the positive x-axis is denoted by θ.
Since OB has a length of 3 units, the distance from the pole (r) would be 3. The angle between OB and the positive x-axis is also 50°. Therefore, the coordinates of point B would be (3, 50°).
So, one possible answer for the coordinates of point B is (3, 50°).
For such more questions on polar coordinate
https://brainly.com/question/4522672
#SPJ11
An alcohol was made by mixing 6fl. oz. of a 20% alcohol solution and 4fl. oz. of a 5% alcohol solution. What is the concentration of the mixture?
The concentration of the mixture made by mixing 6 fl. oz. of a 20% alcohol solution and 4 fl. oz. of a 5% alcohol solution will be; 14%
Consider that x represents the concentration of the mixture, hence:
(6 x 20%) + (4 x 5%) = x (4 + 6)
1.2 + 0.2 = 10x
x = 0.14 = 14%
The concentration of the mixture is made by mixing 6 fl. oz. of a 20% alcohol solution and
Thus 4 fl. oz. of a 5% alcohol solution = 14%
Find out more on equation at:
brainly.com/question/2972832
#SPJ1
find the value of x and y
The values of x and y in the figure are 3√2 and 3, respectively.
Identities in trigonometryThe diagram shown is a right triangle with a 45-degree acute angle.
The values of variables x and y must be determined.
Using the trigonometry identity, we get:
opposite/hypotenuse = sin 45
sin45 = 3/x
x = 3/sin45
x = 3(1/√2)
x = 3√2
Likewise,
tan 45 = opposite/adjacent
tan 45 = 3/y
1 = 3/y
y = 3
As a result, the values of x and y in the figure are 32 and 3, respectively.
More information about trigonometric identity may be found at: https://brainly.com/question/7331447
#SPJ1
A circle has a center at C(2,7). The point A(8,17) lies on the circle. Which of the
following is the slope of the tangent to the circle at point A?
The slope of the tangent to the circle at point A is -3/2.
1. The equation of a circle with center C(2, 7) is given by (x - 2)² + (y - 7)² = r², where r is the radius of the circle.
2. Since point A(8, 17) lies on the circle, we can substitute the coordinates of point A into the equation of the circle to find the value of r.
(8 - 2)² + (17 - 7)² = r²
6² + 10² = r²
36 + 100 = r²
136 = r²
r = √136 = 2√34
3. Now that we have the radius, we can find the equation of the tangent line at point A.
The tangent to a circle at a given point is perpendicular to the radius at that point.
The slope of the radius can be found using the coordinates of the center and point A.
Slope of the radius = (17 - 7) / (8 - 2) = 10 / 6 = 5/3
The slope of the tangent line will be the negative reciprocal of the slope of the radius.
Slope of the tangent = -1 / (5/3) = -3/5
4. However, the question asks for the slope of the tangent to the circle at point A, so we need to consider the slope of the tangent line at point A, which is the negative inverse of the slope of the radius.
Slope of the tangent at point A = -1 / (5/3) = -3/5
5. The slope of the tangent to the circle at point A is -3/5.
For more such questions on circle, click on:
https://brainly.com/question/28162977
#SPJ8
please help! thank uu ~ :) please be correct!
Answer:
look at explanation
Step-by-step explanation:
50/50 chance
Fill in the table using this function rule.
y=-2x+3
x
-2
-1
0
1
y
0
1
0
10
X
Ś
The domain and range of the given function y = -2x + 3 are
Domain = 0, 1, 2, ,3 , 4, 5, 6
Range = 3, 1, -1, -3, -5, -7, -15
The table is given below.
We have,
y = -2x + 3
We can have domain as:
x = 0, 1, 2, 3, 4, 5, 6
For x = 0,
y = -2 x 0 + 3 = 3
For x = 1,
y = -2 x 1 + 3 = -2 + 3 = 1
For x = 2,
y = -2 x 2 + 3 = -4 + 3 = -1
For x = 3,
y = -2 x 3 + 3 = -6 + 3 = -3
For x = 4,
y = -2 x 4 + 3 = -8 + 3 = -5
For x = 5,
y = -2 x 5 + 3 = -10 + 3 = -7
For x = 6,
y = -2 x 6 + 3 = -18 + 3 = -15
The range are 3, 1, -1, -3, -5, -7, -15.
The table can be assumed as:
x y = -2x + 3
0 3
1 1
2 -1
3 -3
4 -5
5 -7
6 -15
Thus the domain and range of the given function y = -2x + 3 are
Domain = 0, 1, 2, ,3 , 4, 5, 6
Range = 3, 1, -1, -3, -5, -7, -15
Learn more about functions here:
brainly.com/question/27242650
#SPJ1
Determine the lengths of the missing sides x and y in the triangle below:
x =
y =
2.6 2.1 4.2 3
3√2 and 3 are the values of x and y respectively from the figure.
Trigonometry identitiesThe given diagram is a right triangle with an acute angle of 45 degrees
We need to determine the values of variables x and y.
Applying the trigonometry identity, we will have:
sin 45 = opposite/hypotenuse
sin45 = 3/x
x = 3/sin45
x = 3/(1/√2)
x = 3√2
Similarly:
tan 45 = opposite/adjacent
tan 45 = 3/y
1 = 3/y
y = 3
Hence the values of x and y from the figure is 3√2 and 3 respectively
Learn more on trigonometry identity here: https://brainly.com/question/7331447
#SPJ1
50 Points! Multiple choice algebra question. Photo attached. Thank you!
The percentage of vehicles that are returned with less than 30000 miles are given as follows:
b) 2.5%.
How to obtain probabilities using the normal distribution?The z-score of a measure X of a normally distributed variable that has mean represented by [tex]\mu[/tex] and standard deviation represented by [tex]\sigma[/tex] is obtained by the equation presented as follows:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The z-score represents how many standard deviations the measure X is above or below the mean of the distribution of the data-set, depending if the obtained z-score is positive(above the mean) or negative(below the mean).The z-score table is used to obtain the p-value of the z-score, and it represents the percentile of the measure X in the distribution.The mean and the standard deviation for this problem are given as follows:
[tex]\mu = 36400, \sigma = 3200[/tex]
The proportion is the p-value of Z when X = 30000, hence:
Z = (30000 - 36400)/3200
Z = -2.
Z = -2 has a p-value of 0.028 -> percentage rounded to 2.5%.
More can be learned about the normal distribution at https://brainly.com/question/25800303
#SPJ1
Brian says the graph shows the circle with a center (-3, 2) and a radius of 3. Mia says the graph shows all possible centers for a circle that passes through (3, -1) with a radius of 4. Which student is correct? Explain.
The graph showing a circle with a center (-3, 2) and a radius of 3 does not represent all possible centers for a circle passing through (3, -1) with a radius of 4.
The graph represents a specific circle with its own center and radius.
To find all possible centers for a circle passing through a given point, we need to consider the locus of points equidistant from the given point.
In this case, the locus of points equidistant from (3, -1) with a radius of 4 forms another circle with a different center and radius.
The graph showing a circle with a center (-3, 2) and a radius of 3 does not represent all possible centers for a circle passing through (3, -1) with a radius of 4.
Therefore, neither student's claim is correct based on the given information.
To learn more on Circles click:
https://brainly.com/question/11833983
#SPJ1