![Suppose J=[2365].What Is The Value Of |J|?](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/U6tvX8iBNXIvvblYqSZCw1Lusf5j9GOr.png)
Answers
Answer: -28
Step-by-step explanation:
\(|J|=(5)(-2)-(6)(3)=-10-18=-28\)
![Suppose J=[2365].What Is The Value Of |J|?](https://i5t5.c14.e2-1.dev/h-images-qa/answers/attachments/a5ZtPA8MYwrvIMTTNtvIBmfoXIbNakzw.png)
Related Questions
In how many games did Katy play catcher?
Answers
Answer:
we need more info hun.
Step-by-step explanation:
a quadratic equation in standard form is written ax2 = bx c, where a, b, and c are real numbers and a is not zero. True or False
Answers
The given statement is correct.
Hence it is true.
We have a statement regarding the quadratic equations.
We have to verify whether it is true or not.
Since we know that,
A quadratic equation is an equation with a single variable of degree 2. Its general form is ax² + bx + c = 0, where x is variable and a, b, and c are constants, and a ≠ 0.
According to the question, we are provided with the standard form of the quadratic equation as - ax² + bx + c = 0.
If we compare the statement given in the question with the definition discussed above, then it can be concluded that the given statement is true. Equation ax² + bx + c = 0 is the standard form of a quadratic equation with a, b, and c as constant real numbers.
The constant 'a' cannot be 0, as this would reduce the degree of the equation to 1.
Hence, the given statement is correct.
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90 POINTS AND A BRAINLIEST!!!!!!
A certain rectangular prism has a height of 6 m, a length of 5 m, and a width of 4 m. Give the dimensions of a SECOND rectangular prism that will have the same surface area of the first one.
Pls dont look up the question and copy and paste the same answer either
if you do i will report you
if anyone is wondering why im so "pressed' I've had LOTS of issues with arrogant people
Thanks!
PLS DON'T ASK FOR BRAINILEST UNLESS YOU TAKE YOUR TIME AND ACTUALLY DO THE QUESTION PLEASE :((((
Answers
Answer:
The surface area is 148
Step-by-step explanation:
Soooo i had to look up how to do it cause i completely forgot how. But once i did, i worked it out.
The formula i got was: A= 2(wl+hl+hw)
W= width h= height l= length
From there i just replaced the corresponding numbers for the letters that represent them. (think of that as like you see someone that you think represents you and you try to replace them, with you. Same here just w/ numbers and letters)
A= 2 [ (4x5) + (6x5) + (6x4) ]
from here you do order of operations starting with what's inside the parentheses. Then you work your way out.
A= 2 [20+ 30+ 24]
A= 2 [74]
Anytime a number is next to parentheses or brackets (which are these: [ ] ) you multiply what is outside them by what's inside them. (for this think about kids. When you seperate them, they try to make more noise. When you seperate numbers, they multiply)
Final answer is
A= 148
if this is wrong i am so, so, so sorry. I hope this helps, and i hope you have an amazing day!! Be tiger fierce! :)
A length of 5.3, a width of 7, and a height of 3. This would give you the same surface area of 148 as the 1st one. Good luck with your studies <3
The World Health Organization lists the following overall literacy rates per 100 people for countries. Which answer choice includes all countries with literacy rates above 90%?
Answers
The cost of the baseboard is $2 per foot the cost of the tile is $2.50 per foot. Find the total cost to buy tile and baseboads for your bathroom.
Answers
Answer:
115$
Step-by-step explanation:
The carousel at an amusement park has 20 horses spaced evenly around its circumference. The horses are numbered consecutively from 1 to 20. The carousel completes one rotation about its axis every 40 seconds.
a. What is the central angle, in degrees, formed by horse #1 and horse #8?
b. What is the speed of the carousel in rotations per minute?
c. What is the speed of the carousel in radians per minute?
d. A child rides the carousel for 6 minutes. Through how many radians will the child pass in the course of the carousel ride?
Answers
The child passes through 18π radians in the course of the carousel ride.
To determine the number of radians the child passes during the 6-minute ride on the carousel, we need to know the distance traveled in terms of radians.
Since there are 20 horses spaced evenly around the carousel, each horse is separated by an angle of 360/20 = 18 degrees or π/10 radians.
Therefore, during one rotation of the carousel, the child passes through 20π/10 = 2π radians. And since the carousel completes one rotation every 40 seconds, the angular velocity is 2π/40 = π/20 radians per second.
To find the total distance traveled in radians during a 6-minute ride, we need to multiply the angular velocity by the time elapsed.
6 minutes is equal to 360 seconds,
so the child passes through π/20 x 360 = 18π radians during the ride.
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Chen is opening a new account with a $1,200 deposit. She will be keeping money in the account, compounded monthly for no more than 3 years. the formula gives the value, V, of the account as a function of time, t. Which is a reasonable domain of this function?
V(t)= 1,200(1 + 0.02)^t/12
A) 0< or equal to t < or equal to 36
B) 0
Answers
Answer:just put it in a calculator dawg
Step-by-step explanation:lol
Rewrite the expression with a rational exponent as a radical expression.
\(( {4}^{ \frac{2}{5} } {)}^{ \frac{1}{4} } \)
Answers
The expression \((4^{(2/5)})^{(1/4)}\) can be rewritten as the radical expression \(4^{(1/1280)}.\)
What is the rational exponent?
A rational exponent is an exponent that is a fraction. In mathematics, a number raised to a fractional power represents a root of the number. For example, the expression\(x^{(1/3)}\) represents the cube root of x. Similarly, the expression \(x^{(2/5)}\) represents the fifth root of x².
The given expression can be rewritten as a radical expression as follows:
\((4^{(2/5)})^{(1/4)} = 4^{(2/5) * (1/4)}\)
Using the property of exponents that (a^b)^c = a^(b*c), we simplify the right side of the equation:
\(4^{((2/5) * (1/4))} = 4^{(2/5 * 1/256)} = 4^{(1/1280)}\)
So, the expression \((4^{(2/5)})^{(1/4)}\) can be rewritten as the radical expression \(4^{(1/1280)}.\)
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select all that apply. the probability of rolling an even number with a six-sided, equally weighted die is group of answer choices 1/3. 1/2. 1/6. 3/6.
Answers
Using the sample space, the probability of rolling an even number with a six-sided dice is 3/6 or 1/2.
In the given question we have to find the probability of rolling an even number with a six-sided dice.
The sample space of dice through the experiment is
{1,2,3,4,5,6}
The even numbers is {2,4,6}.
The probability of rolling an even number with a six-sided dice is
P(E)=Total number of even outcome/Total number of outcome
P(E)=3/6
P(E)=1/2
Hence, the probability of rolling an even number with a six-sided dice is 3/6 or 1/2.
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A home security system may detect movement using its two different sensors. If motion is detected by any of the sensors, the system will alert the police. If there is movement outside, sensor V (video camera) will detect it with probability 0.95, and sensor L (laser) will detect it with probability 0.8. If there is no movement outside, sensor L will detect motion anyway with probability 0.05, and sensor V will detect motion anyway with probability 0.1. Based on past history, the probability that there is movement at a given time is 0.7. Assume these sensors have proprietary algorithms, so that conditioned on there being movement (or not), the events of detecting motion (or not) for each sensor is independent.
(a) Given that there is movement outside and that sensor V does not detect motion, what is the probability that sensor L detects motion?
(b) Given that there is a moving object, what is the probability that the home security system alerts the police?
(c) What is the probability of a false alarm? That is, that there is no movement but the police are alerted anyway?
(d) What is the probability that there is a moving object given that both sensors detect motion?
Answers
d) Tthe probability that there is a moving object given that both sensors detect motion is approximately 0.98.
(a) To find the probability that sensor L detects motion given that there is movement outside and sensor V does not detect motion, we can use Bayes' theorem.
Let's denote the events as follows:
A = Movement outside
B = Sensor V does not detect motion
C = Sensor L detects motion
We are given:
P(A) = 0.7 (probability of movement outside)
P(B|A) = 0.05 (probability of sensor V not detecting motion given movement outside)
P(C|A) = 0.8 (probability of sensor L detecting motion given movement outside)
We want to find P(C|A', B), where A' denotes the complement of event A.
Using Bayes' theorem:
P(C|A', B) = [P(A' | C, B) * P(C | B)] / P(A' | B)
We can calculate the values required:
P(A' | C, B) = 1 - P(A | C, B) = 1 - P(A ∩ C | B) / P(C | B) = 1 - [P(A ∩ C ∩ B) / P(C | B)]
= 1 - [P(B | A ∩ C) * P(A ∩ C) / P(C | B)]
= 1 - [P(B | C) * P(A) * P(C | A) / P(C | B)]
= 1 - [P(B | C) * P(A) * P(C | A) / [P(B | C) * P(A) * P(C | A) + P(B | C') * P(A') * P(C | A')]]
P(B | C) = 0 (since sensor V does not detect motion when there is motion outside)
P(C | A') = 0 (since sensor L does not detect motion when there is no motion outside)
Substituting these values:
P(C | A', B) = 1 - [0 * P(A) * P(C | A) / (0 * P(A) * P(C | A) + P(B | C') * P(A') * P(C | A'))]
= 1 - [0 / (0 + P(B | C') * P(A') * P(C | A'))]
= 1 - 0
= 1
Therefore, the probability that sensor L detects motion given that there is movement outside and sensor V does not detect motion is 1.
(b) To find the probability that the home security system alerts the police given that there is a moving object, we need to consider the different combinations of sensor detections.
Let's denote the events as follows:
D = The home security system alerts the police
M = There is a moving object
We need to calculate P(D | M). This can occur in two ways:
1. Both sensor V and sensor L detect motion.
2. Sensor L detects motion while sensor V does not.
Using the law of total probability:
P(D | M) = P(D, V detects motion, L detects motion | M) + P(D, V does not detect motion, L detects motion | M)
We know:
P(D, V detects motion, L detects motion | M) = P(V detects motion | M) * P(L detects motion | M) = 0.95 * 0.8 = 0.76
P(D, V does not detect motion, L detects motion | M) = P(V does not detect motion | M) * P(L detects motion | M) = (1 - 0.95) * 0.8 = 0.04
Substituting
these values:
P(D | M) = 0.76 + 0.04
= 0.8
Therefore, the probability that the home security system alerts the police given that there is a moving object is 0.8.
(c) To find the probability of a false alarm, i.e., that there is no movement but the police are alerted anyway, we need to consider the different combinations of sensor detections.
Let's denote the events as follows:
D = The home security system alerts the police
NM = There is no movement
We need to calculate P(D | NM). This can occur in two ways:
1. Both sensor V and sensor L detect motion.
2. Sensor L detects motion while sensor V does not.
Using the law of total probability:
P(D | NM) = P(D, V detects motion, L detects motion | NM) + P(D, V does not detect motion, L detects motion | NM)
We know:
P(D, V detects motion, L detects motion | NM) = P(V detects motion | NM) * P(L detects motion | NM) = 0.1 * 0.05 = 0.005
P(D, V does not detect motion, L detects motion | NM) = P(V does not detect motion | NM) * P(L detects motion | NM) = (1 - 0.1) * 0.05 = 0.045
Substituting these values:
P(D | NM) = 0.005 + 0.045
= 0.05
Therefore, the probability of a false alarm, i.e., that there is no movement but the police are alerted anyway, is 0.05.
(d) To find the probability that there is a moving object given that both sensors detect motion, we can use Bayes' theorem.
Let's denote the events as follows:
M = There is a moving object
V = Sensor V detects motion
L = Sensor L detects motion
We want to find P(M | V, L).
Using Bayes' theorem:
P(M | V, L) = [P(V, L | M) * P(M)] / [P(V, L)]
We can calculate the values required:
P(V, L | M) = P(V | M) * P(L | M) = 0.95 * 0.8 = 0.76
P(M) = 0.7 (given probability of movement)
P(V, L) = P(V, L | M) * P(M) + P(V, L | M') * P(M')
= 0.76 * 0.7 + 0.04 * 0.3
= 0.532 + 0.012
= 0.544
Substituting these values:
P(M | V, L) = (0.76 * 0.7) / 0.544
≈ 0.98
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I need help with this question please.
Answers
Answer:
the second one
Step-by-step explanation:
What is the confidence level when the level of significance is 0. 07?.
Answers
When the level of significance is 0.07, the corresponding confidence level is 93%.
The level of significance (α) in statistical hypothesis testing represents the probability of rejecting the null hypothesis when it is actually true. In contrast, the confidence level represents the degree of certainty or reliability we have in the estimated results from a statistical analysis.
The confidence level is calculated as the complement of the level of significance, subtracted from 1. In this case, if the level of significance is 0.07, we subtract it from 1 to find the confidence level:
Confidence level = 1 - level of significance
Confidence level = 1 - 0.07
Confidence level = 0.93 or 93%
Therefore, when the level of significance is 0.07, the corresponding confidence level is 93%. This means that we can be 93% confident that the estimated results from a statistical analysis will fall within the desired range, while allowing for a 7% chance of Type I error (rejecting the null hypothesis when it is true).
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What do you think is the significance of studying about charts and graphs?
Answers
The significance of studying about charts and graphs are the following:
Summarize and analyze a large data set in visual form.Estimate key values at a glance.There are many types of charts and graphs. The four most common are probably line graph, bar charts and histograms, pie charts, and cartesian charts. They are commonly used for a variety of things and are perfect for it. The Importance of Studying Charts and Graphs:
Graphical formats that make it easier to understand relationships between large amounts of data and different sets of data.Used to convey information using shapes and curves, making the information easier to understand and digest.Chart titles and labels make visualizations more understandable.Charts are not only compact and easy-to-read data representations, they also serve as visual representations of relationships and connections. In other words, it works as a model.Using graphs in your presentation is an effective way to get your audience to analyze and understand the relationships between different data sets.To learn more about charts , refer:
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A researcher is interested in examining whether students who distribute practice over a number of short study sessions differ in their test performance from students who mass practice over a single long session. Her prediction that students who distribute practice will perform better than students who mass practice is the a. Research hypothesis b. Experimental hypothesis c. Null hypothesis d. Alternative hypothesis
Answers
In the test made, her prediction that students who distribute practice will perform better than students who mass practice is the alternative hypothesis, option d.
At the null hypothesis, we test if the predictions is false, that is, that students who distribute practice will not perform better than students who mass practice.
At the alternative hypothesis, it is where we test if there is enough evidence to conclude if the prediction is right, that is, if students who distribute practice will perform better than students who mass practice, hence, option d is correct.
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I need help please!
Ap calculus
Answers
9514 1404 393
Answer:
(b) -15
Step-by-step explanation:
The area under the curve from -5 to +5 can be divided into two trapezoids. The one from x=-5 to x=1 has an area of ...
A = 1/2(b1 +b2)h = 1/2(1 +6)(5) = 17.5
The one from x=1 to x=5 has an area of ...
A = 1/2(4 +3)(-1) = -3.5
So, the total area from x=-5 to x=+5 is 17.5 -3.5 = 14. This is the amount by which f(x) increases from f(-5) to f(5). That is ...
f(-5) +14 = -1
f(-5) = -15
A circle has an area of 127 cm?. Find its circumference. (Round your answer to the
nearest tenth.
Answers
≈39.95
A Area
127
d
r
r
r
d
d
C
A
Using the formulas
A=πr2
C=2πr
Solving forC
C=2πA=2·π·127≈39.94908
Answer:
39.95
Step-by-step explanation:
Use the distributive property to simplify the expression. 8(3x 4)
O 11x+12
O 24x+4
O 24x +32
O 96x
Answers
Answer:
\(24x +32 \)
Step-by-step explanation:
\( \\ 8(3x + 4) = 24x + 32 \\ ♨Rage♨\)
help me withb this qustion
Answers
Answer:
Abigail has 0.5 liters of milk left. This is less than the amount she used. So, the amount she used is greater.
Step-by-step explanation:
1.4
- .9
_____
0.5
Imagine that you stop at a nearby coffee chain and purchase a $5 coffee every morning on your way to work. You do this 5 days a week for 50 weeks out of the year. While it may seem like a small expense each day, this habit can add up and affect your personal finances. How much would this habit cost you over the next five years
Answers
Answer:
$6250
Step-by-step explanation:
Hello!
First, we find out how much you spend a week.
Since you buy a $5 coffee 5 days a week we multiply the price for a coffee by 5.
5 * 5 = 25.
Next, we find out how much you spend a year.
Since you do it 50 weeks a year we multiply the amount you spend a week by 50
25 * 50 = 1250
Then, we find out how much you spend in 5 years.
We multiply the cost a year by the amount of years
1250 * 5 = 6250
The answer is $6250
Hope this helps!
Answer:
$6250 Just took a quiz
Step-by-step explanation:
A woman making $32,000
a year receives a cost-of-living increase that raises her salary to $32,768
per year. Find the percent of increase in her yearly salary.
Answers
Percentage increase= $768÷32000=0.024
=0.024×100=2.4%
I NEED THIS before school ends in an hour
If the pattern continues, what would the value of y be when the value of x is 5?
x
0
1
2
3
y
15
19
23
27
Answers
If the pattern continues, the value of y when x is 5 would be 35.
Based on the given pattern, we need to determine the value of y when x is 5.
Let's analyze the relationship between x and y:
When x = 0, y = 15
When x = 1, y = 19
When x = 2, y = 23
When x = 3, y = 27
By observing the pattern, we can see that the value of y increases by 4 as x increases by 1.
This indicates that there is a constant rate of change between x and y.
To find the value of y when x is 5, we can continue the pattern by adding 4 to the previous value of y:
When x = 4, y = 27 + 4 = 31
When x = 5, y = 31 + 4 = 35
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5⁶
HELP ME I NEED IT WHAT IS THE ANSWER TO THIS
Answers
Answer:
15,625
Step-by-step explanation:
5×5×5×5×5×5 = 15,625
8 mm
4 mm
S₁ = 144 mm²
S₂ = ?
What is the surface area of the larger rectangular prism?
I don’t understand this please help
Answers
S₂ = 288 mm²
How to calculate the surface area of the larger rectangular prism?To calculate the surface area of the larger rectangular prism, we need to know the dimensions of the prism. From the given information, we have two sides: 8 mm and 4 mm. However, we need the length, width, and height of the prism to determine the surface area.
If we assume that the given sides correspond to the length and width of the prism, we still need the height. Without the height, we cannot calculate the surface area accurately.
Once we have the height, we can use the formula for the surface area of a rectangular prism, which is given by:
Surface Area =\(2lw + 2lh + 2wh\)
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How many real solutions does the system X² y² 25 and ay 10 have?
Answers
The system X² y² 25 and ay 10 has no real solutions.
To solve this system, we need to solve each equation for y.
For the first equation, X² y² 25, we can divide both sides by X² to get:
y² = 25/X²
Then, take the square root of both sides to get:
y = ± √(25/X²)
For the second equation, ay = 10, we can divide both sides by a to get:
y = 10/a
To find out if the system has real solutions, we need to compare the two equations. Since the two equations are not equal, the system has no real solutions.
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hey! please help i’ll give brainliest
Answers
Answer:
Heyo! the answer is A since their implying it's important :)
Find the common difference of the arithmetic sequence.
9, 13, 17, 21, . ..
Answers
Step-by-step explanation:
4 is the common difference
Bertie Beetle walks so that he is the always exactly the same distance from Crumb A and Crumb B
Answers
The intersection of the circle with the arc drawn would be at points C and D.
How is an arc of a circle formed?In Geometry, an arc is a trajectory that is formed when the distance from a given point has a fixed numerical value.
How to show the path that Bertie walked?The steps that are to be taken to determine points C and D include:
Crumb A should be taken as the center of the circle and the radius of the arc would be 1.3 cm.Crumb B should be taken as the center of the circle and the radius of the arc would be 3.5 cm.The intersection of the circle with the arc drawn would be at points C and D.Read more on arc length here: https://brainly.com/question/20594692
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Complete Question:
Bertie Beetle walks so that he is always exactly 1.3 cm from Crumb A. Adam Ant walks so that he is always exactly 3.5 cm from Crumb B. There are only two points at which they can meet - mark the points with crosses.
on a certain sight-seeing tour, the ratio of the number of women to the number of children was 5 to 2. what was the number of men on the sight-seeing tour?
Answers
As per the ratio, the number of men on the sight-seeing tour is 4.
In the given sight-seeing tour, we are told that there were 14 people in total. We are also given the ratio of women to children, which is 5 to 2. This means that for every 5 women on the tour, there were 2 children.
To find the number of men on the tour, we need to first find the number of women and children. We can do this by dividing the total number of people by the ratio of women to children.
Let's use a variable to represent the number of sets of 5 women and 2 children. We'll call this variable "x".
So, the number of women on the tour is 5x and the number of children is 2x.
Now, we can set up an equation to find the value of x:
5x + 2x = 14
This equation represents the total number of women and children on the tour, which is equal to 14.
Simplifying the equation, we get:
7x = 14
Dividing both sides by 7, we get:
x = 2
This means that there were 2 sets of 5 women and 2 children on the tour. So, the number of women is:
5x = 5(2) = 10
The number of children is:
2x = 2(2) = 4
Now, we can find the number of men by subtracting the number of women and children from the total number of people:
14 - 10 = 4
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plss help me due now
Answers
Answer:
B
Step-by-step explanation:
Hi!!
since they both equal y so we can set these equations equal to each other
60x+30=70x
-60x. -60x
30=10x
/10. /10
3=x
3 hours is x and now we can fill in x to find y
y=70(3)
y=210
210 miles so B is the correct answer
Hopes this helps please mark brainliest
Given the following information, determine which lines are parallel and what justifies them being parallel.
Answers
Answers:
Blank 1 = p and r
Blank 2 = corresponding angles converse
==========================================================
Explanation:
Refer to the diagram below. I've marked lines p and r in red, and the angles 3 and 22 in blue. They are corresponding angles because they are both in the same southeast corner of their four-corner configuration.
If the corresponding angles are congruent, then the lines p and r are parallel by the aptly named corresponding angles converse
