Answer: where's the chooses?
Step-by-step explanation:
i do edgenity so, i can help you out
The slope of the line is 1, and the y-intercept is 0 as per the provided graph of the line.
To determine the slope and y-intercept of the line passing through the points (0, 0) and (5, 5), we can use the slope-intercept form of a linear equation, y = mx + b, where m represents the slope and b represents the y-intercept.
Given the points (0, 0) and (5, 5), we can calculate the slope (m) using the formula:
m = (y2 - y1) / (x2 - x1),
where (x1, y1) and (x2, y2) are the coordinates of the two points.
Plugging in the values:
m = (5 - 0) / (5 - 0)
m = 5 / 5
m = 1.
The slope of the line is 1.
To find the y-intercept (b), we can substitute the coordinates of one of the points into the equation y = mx + b. Let's use the point (0, 0):
0 = 1(0) + b,
0 = b.
Therefore, the y-intercept of the line is 0.
To learn more about the slope;
brainly.com/question/3605446
#SPJ2
The complete question:
What is the slope and the y-intercept of the line on the graph below?
The graph of the line is given in the attached image below.
Ten people (labeled 1-10) have purchased raffle tickets for a fundraiser. However, they did not all purchase the same
number of tickets. One ticket is to be selected at random. Which of the following could be the probability distribution for
the winning ticket?
C
1
0.10
1
2
0.01 0.01
2
0.10
1
3
4
5
6
0.10 0.10 0.10 0.10
3
4
5
0.05 0.07 0.68
1
2
0.125 0.125
6
0.01
2 3
4
5
6
7 8 9 10
0.01 0.11 0.02 0.12 0.03 0.13 0.04 0.14 0.05 0.15
3
0.125
7
8 9 10
0.10 0.10 0.10 0.10
5
7 8 9 10
0.05
0.03 0.01 0.08
6
4
7
9
10
0.125 0.125 0.125 0.125 0.125 0.125 0.125
8
The correct option is A: the probability distribution for the winning ticket:
1 2 3 4 5 6 7 8 9 10
0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10
Explain about the probability distribution?A frequency distribution that has been idealised is a probability distribution.
Each individual sample or dataset is described by its frequency distribution. It's the number of times in the dataset that each possible value for a particular variable appears.The probability of occurrence of a value determines how frequently it appears in a sample. Probability is a value between 0 and 1 that indicates the likelihood that something will happen:Zero denotes impossibility.1 denotes a certainty.Total people = 10 (1 - 10)
One ticket is selected at random from each person.
As the selection is independent events of each other, each will have the same probability.
So,
probability = favourable outcome / total outcome.
probability = 1/10
probability = 0.10.
Thus, the correct option is A: the probability distribution for the winning ticket:
1 2 3 4 5 6 7 8 9 10
0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10 0.10
Know more about the probability distribution
https://brainly.com/question/24756209
#SPJ1
What is 0. 612 (12 repeating) simplified to a fraction?
By simplifying the decimal 0.612(12 repeatings) simplifies to the fraction 60.6/99.
To simplify the decimal 0.612(12 repeatings) to a fraction, we can represent it as follows:
Let x = 0.612(12 repeating)
Then 100x = 61.212(12 repeating)
Subtracting the two equations gives:
100x - x = 61.212(12 repeating) - 0.612(12 repeating)
99x = 60.6
x = 60.6/99
To get to this answer, we first multiplied the decimal by 100 to shift the repeating decimal point two places to the right. We then subtracted the original equation from this new equation to eliminate the repeating decimal. We simplified the resulting fraction by dividing both the numerator and denominator by their greatest common factor of 6. Thus, the final answer is 60.6/99.
Learn more about the fraction at
https://brainly.com/question/10354322
#SPJ4
A clay specimen, 25 mm thick, has been tested in an oedometer apparatus with two way rainage, and it is observed that 50% of the consolidation settlement occurs in 1 hour. A ayer of the same clay is observed to settle 10 mm in 10 years and after many years to settle (total primary consolidation) by 35 mm. Determine the thickness of the clay layer if it drains only from upper surface
The thickness of the clay layer, which drains only from the upper surface, can be determined based on the consolidation settlement observations. With 50% of consolidation settlement occurring in 1 hour for a 25 mm thick specimen, and a total primary consolidation settlement of 35 mm occurring over many years, the thickness of the clay layer is approximately 87.5 mm.
The consolidation settlement of a clay specimen can be used to estimate the thickness of a clay layer that drains only from the upper surface. In this case, the observed settlement data provides valuable information.
Firstly, we know that 50% of the consolidation settlement occurs in 1 hour for a 25 mm thick clay specimen. This is an important parameter for calculating the coefficient of consolidation (Cv) using Terzaghi's theory. From the Cv value, we can estimate the time required for full consolidation settlement.
Secondly, we are given that the same clay settles 10 mm over 10 years and eventually settles a total of 35 mm over a longer period. This long-term settlement is known as the total primary consolidation settlement. By comparing this settlement value with the settlement data from the oedometer test, we can determine the thickness of the clay layer.
To calculate the thickness, we can use the concept of the consolidation settlement ratio. The ratio of the total primary consolidation settlement to the consolidation settlement at 50% completion is equal to the ratio of the total thickness to the thickness at 50% completion. Applying this ratio, we can determine that the thickness of the clay layer, which drains only from the upper surface, is approximately 87.5 mm.
To learn more about thickness click here: brainly.com/question/23622259
#SPJ11
I need help asap!!
(05.03) Marcus loves baseball and wants to create a home plate for his house. Marcus needs to calculate the area of the home plate at the ball field so he can reconstruct it when he gets home. Calculate the area of the polygon. :
Answer:
area= 83
Step-by-step explanation:
the formula for area of a tringale is HxB/2 so the area for the tringles are 28 and 15 and area for a rectangle is LxW so it is 40 and add it all togeteher and you get 83
A 10-pack of pencils costs $2.00. What is the price per pencil?
Answer: 20 cents per pencil
Step-by-step explanation:
Let sin A = 1/3 where A terminates in Quadrant 1, and let cos B = 2/3, where B terminates in Quadrant 4. Using the identity:
cos(A-B)=cosACosB+sinAsinB
find cos(A-B)
Using trigonometric identity, cos(A-B) is:
\(cos (A-B) = \frac{2\sqrt{8}\ + \sqrt{5}}{9}\)
How to find cos(A-B) using the trigonometric identity?Trigonometry deals with the relationship between the ratios of the sides of a right-angled triangle with its angles.
If sin A = 1/3 and A terminates in Quadrant 1. All trigonometric functions in Quadrant 1 are positive
sin A = 1/3 (sine = opposite/hypotenuse)
adjacent = √(3² - 1²)
= √8 units
cosine = adjacent/hypotenuse. Thus,
\(cos A = \frac{\sqrt{8} }{3}\)
If cos B = 2/3 and B terminates in Quadrant 4.
opposite = √(3² - 2²)
= √5
In Quadrant 4, sine is negative. Thus:
\(sin B = \frac{\sqrt{5} }{3}\)
We have:
cos(A-B) = cosA CosB + sinA sinB
\(cos (A-B) = \frac{\sqrt{8} }{3} * \frac{2}{3} + \left \frac{1}{3} * \frac{\sqrt{5} }{3}\)
\(cos (A-B) = \frac{2\sqrt{8} }{9} + \left\frac{\sqrt{5} }{9}\)
\(cos (A-B) = \frac{2\sqrt{8}\ + \sqrt{5}}{9}\)
Learn more about Trigonometry on:
brainly.com/question/11967894
#SPJ1
the length of a staff meeting in hours is a random variable having the following probability density function 5(x-.5)^5 calculate the expected length of a staff meeting
The expected length of a staff meeting is approximately 12.5 minutes.
what is probability?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain to happen.
To calculate the expected length of a staff meeting, we need to find the mean of the probability density function given.
The formula for finding the expected value or mean of a continuous random variable with probability density function f(x) is:
E(X) = ∫ x f(x) dx over the range of the variable
Using this formula, we can find the expected length of a staff meeting as follows:
E(X) = ∫ x f(x) dx over the range of the variable
= ∫ 0 to 1 x \(5(x-0.5)^{5}\) dx (since the length of a meeting can't be negative)
= 5 ∫ 0 to 1 x\((x-0.5)^{5}\) dx
Now we can use integration by parts or substitution to solve the integral. For simplicity, we can use substitution, with u = x - 0.5 and du = dx:
E(X) = 5 ∫ -0.5 to 0.5\(5(x-0.5)(u)^{5}\) du
= 5 ∫ -0.5 to 0.5 \((u^6 + 0.5u^5)\) du
= 5 [(1/7)\(u^7\\\) + (1/10)\(u^6\)] evaluated at -0.5 and 0.5
= 5 [(1/7)\((0.5)^7\) + (1/10)\((0.5)^6\) - (1/7)\((-0.5)^7\) - (1/10)\((-0.5)^7\)]
≈ 0.2083 hours or 12.5 minutes
Therefore, the expected length of a staff meeting is approximately 12.5 minutes.
To learn more about probability from the given link:
https://brainly.com/question/30034780
#SPJ4
3 x 4 x 5 x m x n = ???????
what does it equal???
The equivalent expression for the given expression is 60mn.
The given expression is 3×4×5×m×n.
Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.
Here, 3×4×5×m×n = 60mn
Therefore, the equivalent expression for the given expression is 60mn.
To learn more about an equivalent expression visit:
https://brainly.com/question/28170201.
#SPJ6
6. Kiera is comparing the cost of two swimming pool memberships to determine which she will buy. Pool K charges a $30 membership fee plus $5 per visit. Pool M charges a $10 membership fee plus $10 for every two visits. Part A. For each pool, write an equation that represents C, the total cost for n visits. Identify the slope and intercept of each equation.
Answer:
Pool K cost equation : 30 + 5V , Pool M cost equation : 10 + 10V
Pool K slope & intercept = 30 & 5 , Pool M slope & intercept = 10 & 10
Step-by-step explanation:
Total cost [Pool] = Fixed (membership) cost + Variable cost (per visit)
Intercept is part at which equation line intersects x or y axis. In pools case, it is fixed (membership) cost. Slope is change in y due to change in x. In pools case, it is variable cost (per visit)
Pool K cost equation : 30 + 5V , Pool M cost equation : 10 + 10V
where V = number of visits.
Pool K slope & intercept = 30 & 5 , Pool M slope & intercept = 10 & 10
A hairdryer transfers 36,000J in one minute, what is the power rating of the hairdryer?
Calculate the work done where 99W is used over 360s
Calculate the efficiency of a kettle which takes 100J and transfers it into 55J
Calculate work done when an object has an applied force of 5N and moves a distance of 4m
An electric fire needs 4 kW. It is switched on for 4 hours. If each kWh costs 2p, how much does it cost to run the fire?
Please help me quick I only have tomorrow left
Thank you
Answer:
1. 600 watts
2. 35640 J
3. 55%
4. 20 J
5. The cost of running the fire is 8p.
Step-by-step explanation:
1. Energy = 36 000 J , t = 1 minute = 60 seconds
Power = \(\frac{energy}{time}\)
= \(\frac{36000}{60}\)
= 600 watts
2. Power = \(\frac{work done}{time}\)
⇒ work done = Power × time
= 99 × 360
= 35640 J
3. Efficiency = (Output / Input) × 100
= \(\frac{55}{100}\) × 100
= 55%
4. Work done = Force × distance
= 5 × 4
= 20 J
5. Given that 1 KWh cost 2p, Power = 4 KW and time = 4 hours.
Power = \(\frac{energy}{time}\)
Energy = Power × time
= 4 × 4
= 16 KWh
The cost of running the fire = \(\frac{16}{2}\)
= 8p
50 Point Question Answer ASAP giving brainliest
Answer:
the reminder is 5 and the quotient is 2x+4
A $110 watch is selling for 30% off. Find the final
price of the watch if the sales tax is 8%.
Answer:
88
Step-by-step explanation:
GIVE ME BRAINIEST
find the median for -4, 5, 12, 11, -6, 7, 20, 4, 16, 10, 13
Answer:
10
Step-by-step explanation:
The median is the number in the middle when they are in order
-6, -4, 4, 5, 7, 10, 11, 12, 13, 16, 20
Consider signal x(t)=5+5sin(2t)+1cos(3t) with Fourier series. Compute the following quantity (Hint: Explicitly computing is not necessary, use FS definition and properties): Fo
\(x(t)=5+5sin(2t)+1cos(3t).\)
We need to find the DC coefficient of the Fourier series expansion of the given signal x(t).
DC coefficient of a signal is the coefficient of 1/2π in the Fourier series representation of the signal.
Mathematically, it is given by the expression shown below;
\($$F_0=\frac {1} {T}\int _{-T/2} ^{T/2} x(t)dt$$\)
where T is the time period of the signal x(t).
Since x(t) is periodic with time period T, we have \($$x(t+T)=x(t)$$\)
Taking T=2π (least possible time period of the given signal), we have \($$x(t+2\pi)=x(t)$$$$\\)
Rightarrow\(5+5\sin (2(t+2\pi))+\cos (3(t+2\pi))=5+5\sin (2t)+\cos (3t)$$$$\Rightarrow 5+5\sin (2t)+\cos (3t)=5+5\sin (2t)+\cos (3t)$$$$\Rightarrow x(t+2\pi)=x(t)$$We have,$$F_0=\frac {1} {T}\int _{-T/2} ^{T/2} x(t)dt$$\)
Substituting \(T=2π and x(t)=5+5sin(2t)+cos(3t), we get$$F_0=\frac {1} {2\pi}\int _{-\pi} ^{\pi} (5+5sin(2t)+cos(3t))dt$$$$F_0=\frac {1} {2\pi} \left[ 5t-\frac {5} {2}\cos(2t)+\frac {1} {3}\sin (3t) \right] _{-\pi} ^{\pi}$$$$F_0=\frac {1} {2\pi} \left[ 5(2\pi)-\frac {5} {2}\cos(2\pi)-5(2\pi)+\frac {5} {2}\cos(-2\pi)-\frac {1} {3}\sin(3\pi)+\frac {1} {3}\sin (-3\pi) \right]$$$$F_0=\frac {1} {2\pi} \left[ 10\pi \right]$$$$F_0=5$$\) , the DC coefficient of the given signal is 5.
To know more about coefficient visit:
https://brainly.com/question/13431100
#SPJ11
What is the volume of a cylinder, in cubic cm, with a height of 19cm and a base diameter of 6cm? Round to the nearest tenths place
Answer:
volume of a cylinder = 536.9 cm³
Step-by-step explanation:
volume of a cylinder, V = πr²h
where π = 3.14
h = 19 cm
r = ?
given is diameter = 6 cm
as we know, r = d/2 = 6/2 = 3 cm
by substituting the values in the formula,
V = 3.14 * 3² * 19
= 536.94 cm³
by rounding off to the nearest tenth place,
volume of a cylinder = 536.9 cm³
Answer:
v = 537.2 cm3
Step-by-step explanation:
volume:
\(v=\pi r^{2} h\)
\(r=d/2=6/2=3cm\)
\(h=19cm\)
\(v=\pi (3)^{2} (19)=171\pi\)
\(v=537.21\)
Rounded nearest tenth:
\(v=537.2cm^{3}\)
Hope this helps
Revani has 120 coins. Of the coins, 2/6 are nickels, 2/6 dimes, and the rest are
quarters. What is the ratio of Revani’s nickels to dimes to quarters?
Answer:
2:2:2
1:1:1
2 to 2 to 2
1 to 1 to 1
Step-by-step explanation:
suppose that the only currency was 3-dollar bills and 10-dollar bills. show that every amount greater than 17 dollars could be made from a combination of these bills.
To show that every amount greater than 17 dollars can be made from a combination of 3-dollar and 10-dollar bills, we can use a technique called "proof by induction."
First, let's check the base case: can we make 18 dollars using only 3-dollar and 10-dollar bills? Yes, we can use two 3-dollar bills and one 10-dollar bill: 3 + 3 + 10 = 16.
Now, let's assume that we can make any amount greater than n dollars using only 3-dollar and 10-dollar bills. We want to prove that we can make any amount greater than n+1 dollars as well.
To do this, we can consider two cases:
1. The amount we want to make includes at least one 10-dollar bill. In this case, we can subtract 10 dollars from the amount and use our induction hypothesis to make the remaining amount using only 3-dollar and 10-dollar bills. Then we add the 10-dollar bill back in, and we have made the original amount.
2. The amount we want to make does not include any 10-dollar bills. In this case, we can use our induction hypothesis to make the amount n-7 using only 3-dollar and 10-dollar bills (since 10 - 3 = 7). Then we add a 10-dollar bill and a 3-dollar bill to get n+3, and we can add another 3-dollar bill to get n+6. Finally, we add one more 3-dollar bill to get n+9, which is greater than n+1.
Therefore, we have shown that any amount greater than 17 dollars can be made from a combination of 3-dollar and 10-dollar bills using proof by induction.
Visit here to learn more about proof by induction brainly.com/question/29525504
#SPJ11
victoria deposited $5000 into a savings account that earns an annual simple interest rate of 0.3%. To the nearest tenth of a year, how long will it take for the account to reach $5500?
It will take 33.33 years for the account to reach $5500
What is simple interest?
Simple interest is defined as the direct crediting of cash flows related to an investment or deposit.
We know,
Victoria deposited into a savings account $5000
Annual simple interest rate of 0.3%.
Formula of Simple Interest
A = P(1 + rt)
5500 = 5000(1 + 0.003t)
5500 = 5000 + 15t
15t = 500
\(t = \frac{500}{15} = 33.33\)
It will take 33.33 years for the account to reach $5500
To learn more about simple interest visit,
https://brainly.com/question/25793394
#SPJ13
QUESTION 2 . 1. 40 earrings. She then sells each pair for R30. Mpho is selling earrings. She spends R200 for the material to make INSPIRED BY THE BEAUTY OF AN AFRICAN WOMAN! 2.1.1. Calculate the selling price of each earring?
Answer:
R200
Step-by-step explanation:
selling price of each earring
R200
please solve second questio with explain. hint: if your answer is
9, it is not correct.
Assuming a division method (modulo operation). Mapping the key values into a table of \( \mathrm{N}=12 \). And solving collisions with the opan addresestinear probing with \( k=5 \). What are the slot
The slots in the table are filled with the respective key values as mentioned below.
To solve the question, we need to apply the division method with open addressing and linear probing to map key values into a table of size N = 12, with a probe increment of k = 5 to handle collisions. The division method involves taking the remainder of the key divided by the table size N to determine the initial slot. If that slot is already occupied, we use linear probing by incrementing the slot index by k until an empty slot is found. Let's assume we have the following key values: 7, 15, 23, 34, 18, 9, 27, 12.
Using the division method, we calculate the initial slots as follows:
Key: 7
Initial Slot: 7 % 12 = 7 (available)
Key: 15
Initial Slot: 15 % 12 = 3 (occupied)
Linear Probing: 3 + 5 = 8 (available)
Key: 23
Initial Slot: 23 % 12 = 11 (available)
Key: 34
Initial Slot: 34 % 12 = 10 (available)
Key: 18
Initial Slot: 18 % 12 = 6 (available)
Key: 9
Initial Slot: 9 % 12 = 9 (occupied)
Linear Probing: 9 + 5 = 2 (available)
Key: 27
Initial Slot: 27 % 12 = 3 (occupied)
Linear Probing: 3 + 5 = 8 (occupied)
Linear Probing: 8 + 5 = 1 (occupied)
Linear Probing: 1 + 5 = 6 (occupied)
Linear Probing: 6 + 5 = 11 (occupied)
Linear Probing: 11 + 5 = 4 (available)
Key: 12
Initial Slot: 12 % 12 = 0 (available)
After mapping all the key values into the table using open addressing and linear probing with k = 5, the final slot configuration is as follows:
0: 12
1: 6
2: 9
3: 27
4: 34
6: 18
7: 7
8: 15
10: 23
11: 27 (collision)
11 + 5: 12 (resolved collision)
Therefore, the slots in the table are filled with the respective key values as mentioned above.
To learn more about linear probing, click here: brainly.com/question/30694795
#SPJ11
A room has a length of 8 m. A scale diagram is drawn of the room. In the diagram, the room has a length of 1 cm. What is the scale of the diagram? Give your answer as a ratio in the form 1 : k , where k is an integer.
The scale of the diagram as described in the task content is; 1: 8 where k= 8.
What is the scale of the diagram?It follows from the task content that the original length of the room in discuss is 8cm. It therefore follows that the length of the room in the scale diagram is 1cm. On this note, the scale of the diagram in discuss is; 1 : 8 as 1cm on the diagram corresponds to 8cm actual length.
Read more on scale of diagrams;
https://brainly.com/question/24255624
#SPJ1
The ratio of 3 to 4 and the ratio of 4 to 3___ the same number? A are not b are.
Answer: Option B
Step-by-step explanation:
By definition, the ratio is a comparison between two different things. It can be written in:
Odd notation
\(a:b\)
Fractional notation
\(\frac{a}{b}\)
Or in words:
\(a\) \(to\) \(b\)
Given the ratio 3 to 4 and the ratio of 4 to 3, you can rewrite them the fractional form:
\(\frac{3}{4}\)
\(\frac{4}{3}\)
To know if these ratios are the same number, divide the numerator by the denominator of each one of them:
\(\frac{3}{4}=0.75\)
\(\frac{4}{3} =1.33\)
Therefore, the ratio of 3 to 4 and the ratio of 4 to 3 ARE NOT the same number.
3x12-14/2+15 using pemdas
Answer:
3 x 12 - 14/2 + 15
P - Parenthesis
E - Exponents
M - Multiplication
D - Division
A - Addition
S - Subtraction
In this, the very first two things I see is multiplication and division.
3 and 12 are being multiplied, and -14 and 2 are being divided.
So let's solve for those two first;
3 x 12 - 14/2 + 15
(3 x 12) (-14/2) + 15
36 - 7 + 15
Now we add 15 and 36,
(36 + 15) - 7
51 - 7
= 44
find the change in volume dv if the radius of a sphere changes from 18 cm to 18.3 cm.
The change in volume (dv) is equal to 1221.45 cm³ if the radius of the sphere changes from 18 cm to 18.3 cm.
The change in the volume of the sphere can be represented by the following formula;
dV = 4πr²(dr)
Here dV is the change in the volume, r represents the radius and dr represents the change in the radius of the sphere.
As the radius of this sphere changes from 18 cm to 18.3 cm, we first calculate the change in radius by subtraction;
change in radius = 18.3 - 18 = 0.3 cm
Now substituting the values in the equation;
dV = 4π(18²)(0.3)
dV = 4π(324)(0.3)
dV = 4π(97.2)
dV = 1221.45
Therefore, the change in the volume of the sphere is 1221.45 cm³
To learn more about change in volume, click here:
https://brainly.com/question/13128572
#SPJ4
A recipe calls for 3/4 cups of sugar for every 2 cups of flour. How much sugar per cup of flour?
Answer:
8/3 or 2 2/3
Step-by-step explanation:
How can i learned maths hardly?
Learning math can be a challenging task, but with persistence, hard work, and effective study strategies, it is definitely possible to improve your math skills.
Some tips that may help you learn maths quickly and efficientlyStart with the basics: Make sure you have a good foundation in basic math concepts before moving on to more advanced topics. Practice basic arithmetic, fractions, decimals, and percentages until you feel comfortable with them.
Focus on understanding, not just memorizing: Math is not just about memorizing formulas and equations; it's about understanding how and why they work. Focus on understanding the underlying concepts and principles.
Practice regularly: The more you practice, the better you will get. Try to set aside some time each day to practice math problems. This will help you build your skills and improve your understanding.
Use multiple resources: Don't just rely on one textbook or resource. Use multiple resources such as online tutorials, videos, practice problems, and textbooks to get a well-rounded understanding of the topic.
Seek help when needed: Don't hesitate to ask for help if you are struggling with a particular topic. You can reach out to a teacher, tutor, or online community for help.
Stay motivated: Math can be challenging, but it's important to stay motivated and not give up. Keep a positive attitude, celebrate your successes, and remember that every mistake is an opportunity to learn and grow.
Remember that learning math takes time and effort, so don't get discouraged if you don't see immediate results. With persistence and hard work, you can become proficient in math.
Read more about learning maths here:
https://brainly.com/question/30346704
#SPJ1
A Triangle with an area of 24 square feet has a side of length 10 feet. If all 3 sides are even integers, what is the perimeter of the triangle?
Answer:
24 ft
Step-by-step explanation:
so, we don't know anything else about the triangle ?
ok, let's see.
the area of a triangle is (a side length) × (the height from that side to the opposite corner) / 2
At = 24 = side × height / 2
48 = side × height = 10 × height
height = 48/10 = 4.8 = 24/5
let's say that the height on our known side splits this side into 2 parts, p and q (p+q = 10).
we can calculate the triangle side on the right hand side of our know side by calling it a and using Pythagoras :
a² = height² + q² = (4.8)² + q² = 23.04 + q²
as all sides have to be even integers, a² has to be an even square number larger than 23.04.
and because p+q = 10, we know q must be smaller than 10, and therefore q² smaller than 100.
the only candidates for a² are therefore 36 and 64 (6² and 8²).
in a similar way this applies to the left hand triangle side b tool.
b² = height² + p² = 23.04 + p²
with the same restrictions and possible solutions as a².
we have the possibilities that a = b = 6 or 8, or a = 6 and b = 8 (or vice versa).
let's rule out a=b :
a=b wound also mean p=q=5
then
a² = 23.04 + 5² = 23.04 + 25 = 48.04, which is not an even square integer. therefore, this assumption is wrong.
so, the only possible solution is a = 6 and b = 8 (or vice versa, but it did not matter which is which, as we only need the perimeter, which would be the same either way).
proof :
36 = 23.04 + 12.96 = 23.04 + q²
=> q = 3.6 ft
64 = 23.04 + 40.96 = 23.04 + p²
=> p = 6.4 ft
p+q = 3.6 + 6.4 = 10 ft
perfect, it fits, this is the correct solution
so, the perimeter of the triangle is
10 + 6 + 8 = 24 ft
population, what is pr5145 ... y ... 1656? 5.2.5 refer to exercise 5.2.4. suppose we take a random sample of sixteen 12- to 14-year-olds from the population. (a) what is the probability that the mean cholesterol value for the group will be between 145 and 165? (b) what is the probability that the mean cholesterol value for the group will be between 140 and 170?
The probability that the mean cholesterol value for the group will be between 145 and 165 is 0.9545 or 95.45%.
In exercise 5.2.4, we were given that the cholesterol levels of 12 to 14-year-old children in a population are normally distributed with a mean of 155 mg/dl and a standard deviation of 10 mg/dl.
(a) To find the probability that the mean cholesterol value for the group will be between 145 and 165, we need to calculate the z-scores for these values and find the area under the standard normal distribution curve between these z-scores.
The z-score for a sample mean can be calculated as:
z = (x - μ) / (σ / √n)
where x is the sample mean, μ is the population mean, σ is the population standard deviation, and n is the sample size.
For x = 145, μ = 155, σ = 10, and n = 16, we have:
z = (145 - 155) / (10 / √16) = -2
For x = 165, μ = 155, σ = 10, and n = 16, we have:
z = (165 - 155) / (10 / √16) = 2
Using a standard normal distribution table or a calculator, the area under the curve between z = -2 and z = 2 is approximately 0.9545.
Learn more about probability at: brainly.com/question/32117953
#SPJ11
Points
Find f(−2)
given f(x)=−x3−3x2+8
Answer:
12 :D
Step-by-step explanation:
First we substitute all x's for -2 :)
f(-2)=−-2^3−3(-2)^2+8
Now we solve :)
f(-2)=−-2^3−3(-2)^2+8
f(-2)=− -8 −3(-2)^2 + 8
f(-2) = -8 - 3(-4) + 8
f(-2) = - 8 + 12 + 8
f(-2) = 4 + 8
f(-2) = 12 :)
f will equal 12 :)
Have an amazing day!!
Please rate and mark brainliest!!
A commuter train arrives punctually at a station every half hour. Each morning, a commuter named John leaves his house and casually strolls to the train station. The time, in minutes, that John waits for the train is a variable with density curve f(x) = 1/30 for 0
We need to find the probability that John waits less than 20 minutes for the train.
To find this probability, we need to calculate the area under the density curve from 0 to 20:
P(X < 20) = ∫[0,20] (1/30) dx
P(X < 20) = [x/30] from 0 to 20
P(X < 20) = 20/30 - 0/30
P(X < 20) = 2/3
Therefore, the probability that John waits less than 20 minutes for the train is 2/3 or approximately 0.67.
To know more about probability, visit the link given below:
https://brainly.com/question/30034780
#SPJ4