Answer:
x<-7
Step-by-step explanation:
you would put an open circle on the -7 with and arrow pointing down.
The correct ray would be the one with unfilled hole and which is directed towards the left. It will start from -7 and will go on towards left.
What is a expression? What is a mathematical equation? What is Equation Modelling? What is inequality?
A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem. An inequality is a relation comparing two expressions. For example -
3x + 4 > 5
ax + b < c
We have the following inequality -
x + 5 < -2
We can write -
x + 5 < -2
x + 5 - 5 < - 2 - 5
x < - 7
The correct ray would be the one with unfilled hole and which is directed towards the left. It will start from -7 and will go on towards left.
Therefore, the correct ray would be the one with unfilled hole and which is directed towards the left. It will start from -7 and will go on towards left.
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Container a was filled with water to the brim. then, some of the water was poured into an empty container b until the height of the water in both containers was the same. find the new height in both water containers
After pouring some water from container A into container B, the new height of the water in both containers will be equal.
When container A is filled with water to the brim, it reaches its maximum capacity. Let's assume the initial height of the water in container A is h.
When some water is poured from container A into container B, the water level in both containers will gradually equalize until they reach the same height. Let's denote this new height as H.
The reason the water levels equalize is due to the principle of fluid equilibrium. When the containers are connected and the water is allowed to flow, the water seeks a common level. This occurs because the pressure at the same height in a fluid is equal.
Therefore, after pouring water from container A to container B, the final height of the water in both containers will be H, which indicates that the water has reached an equilibrium point where the pressure is equal in both containers.
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Dylan's hiking club is planning to stay overnight at a camping lodge. Each large room can hold 15 hikers. There are 168 hikers.
Answer:
you would need 12 rooms
Step-by-step explanation:
168/12=11.2 so you would have 11 full rooms and then a room for the leftover two
Answer:
11.2 or just 11
Step-by-step explanation:
Okay, so, I apologize if this is an idiot answer, but if you take your 168 hikers and divide them by each room which can hold 15 hikers, you'll get 11.2. NOW MAYBE THE .2 OF THE HIKERS CAN SLEEP ON THE FLOOR I DON'T KNOW SORRY IF THIS IS A TERRIBLE ANSWER.
Multiply. Show your work.
42.7 x 0.8 show your work tell me how u got the answer
Answer:
34.16
Step-by-step explanation:
42.7
x 0.8
-------
34.16
Answer:
34.16
Step-by-step explanation:
2 5
42.7
x
0.8
=
43.16
the schools newspaper staff is selling cookies to raise money for the next school year. the first student who sells 252 boxes earns a laptop. eva sells on average 7 boxes per hour, while Sylvia sells on average 3 boxes every 30 minutes. How much time, in hours, will pass until at least one of the students sells enough boxes to earn a laptop?
A.) 10
B.) 15
C.) 23
D.) 36
E.) 42
. Importance of hydrologic cycle The role of water is central to most natural processes - Transport - Weathering, contaminant transport - Energy balance - transport of heat, high heat capacity - Greenhouse gas - 80% of the atmospheric greenhouse effect is caused by water vapor - Life - for most terrestrial life forms, water determines where they may live; man is exception
The hydrologic cycle, also known as the water cycle, plays a crucial role in the Earth's natural processes. It involves the continuous movement of water between the Earth's surface, atmosphere, and underground reservoirs.
The importance of the hydrologic cycle can be understood by considering its various functions:
Transport: The hydrologic cycle facilitates the transport of water across the Earth's surface, including rivers, lakes, and oceans. This movement of water is vital for the distribution of nutrients, sediments, and organic matter, which are essential for the functioning of ecosystems.
Weathering and Contaminant Transport: Water plays a significant role in weathering processes, such as erosion and dissolution of rocks and minerals. It also acts as a carrier for contaminants, pollutants, and nutrients, influencing their transport through the environment.
Energy Balance: Water has a high heat capacity, which means it can absorb and store large amounts of heat energy. This property helps regulate the Earth's temperature and climate by transporting heat through evaporation, condensation, and precipitation.
Greenhouse Gas: Water vapor is a major greenhouse gas that contributes to the Earth's natural greenhouse effect. It absorbs and re-emits thermal radiation, trapping heat in the atmosphere. Approximately 80% of the atmospheric greenhouse effect is attributed to water vapor.
Life: Water is vital for supporting life on Earth. It provides a habitat for numerous organisms and serves as a medium for various biological processes. Terrestrial life forms, including plants, animals, and humans, rely on water availability for their survival, growth, and reproduction.
It is important to note that while water is critical for most terrestrial life forms, human beings have developed technologies and systems that allow them to inhabit regions with limited water availability. However, water still remains a fundamental resource for human societies, and the hydrologic cycle plays a crucial role in ensuring its availability and sustainability.
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a) |gh| db at ω= 0.4 is -5 db on a bode magnitude line with the slope of
In the Bode magnitude plot, the value |GH| at ω = 0.4 is -5 dB, and it lies on a line with a specific slope.
The Bode magnitude plot represents the magnitude response of a system as a function of frequency. It consists of a logarithmic scale for the magnitude in decibels (dB) and a linear scale for the frequency.
Given that |GH| at ω = 0.4 is -5 dB, it means that the magnitude of the system's transfer function, GH, at the frequency ω = 0.4 is -5 dB. This indicates that the system attenuates the input signal by 5 dB at that specific frequency.
The statement also mentions that this value lies on a line with a slope. The slope of the Bode magnitude plot represents the rate at which the magnitude changes with respect to frequency. Without additional information about the specific slope mentioned, it is not possible to determine its exact value or interpret its significance.
To fully understand the behavior of the system, additional information about the specific transfer function or frequency response characteristics would be needed.
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Rewrite the following equation in slope-intercept form.
3x − 11y = 19
Answer:
y = 3/11(x) - 19/11
Step-by-step explanation:
Step 1: Subtract 3x from both sides.
\(3x-11y-3x=19-3x\) \(-11y=-3x+19\)Step 2: Divide both sides by -11.
\(-11y/-11=(-3x+19)/-11\) \(y=\frac{3}{11}x-\frac{19}{11}\)Therefore, the answer is y = 3/11(x) - 19/11.
The figure shows a line graph and two shaded triangles that are similar:
Which statement about the slope of the line is true?
The slopefrom point O to point A is time the slope of the line from point A to point B.
The slope from point O to point A is four times the slope of the line from point A to point B
It is 4 throughout the line.
It is 1/4 throughout the line.
Answer: Hello!
We know that
the equation for calculating the slope of a line is
m=(y2-y1)/(x2-x1)
look for any two points on the graph
let
A(0,0)
B(3,1)
m=(1-0)/(3-0)------> m=1/3
the slope is 1/3 throughout the line
therefore
the answer is the option
B-It is 1/3 throughout the line
Step-by-step explanation:
Mark me brainest please. Hope I helped! Hope you make an 100%
- Anna♥
Last week, Tina worked 7 hours on Monday, 9 hours on Tuesday, 9 hours on Wednesday, 10 hours on Thursday, 7 hours on Friday, and 4 hours on
Saturday. Her rate is $61 per hour. She gets paid time-and-a-half for all hours worked over 8 per day. What were her gross earnings for the
week?
Answer:
$2,928
Step-by-step explanation:
Using the equation below, note that for days in which she worked more than \(8\) hours, we will be multiplying the number hours worked over \(8\) hours by \(91.5.\)
\(61\) × \(1.5=91.5\)
Let \(x\) equal hours less than or equal to \(8.\)
Let \(y\) equal the number of hours worked over \(8\) hours.
Let \(t\) equal gross earnings.
Start with an equation:
\(61x+91.5y=t\)
Monday:
\(61(7)=427\)
Tuesday:
\(61(8)+91.5(1) = 579.5\)
Wednesday:
\(61(8)+91.5(1) = 579.5\)
Thursday:
\(61(8)+91.5(2) = 671\)
Friday:
\(61(7)=427\)
Saturday:
\(61(4)=244\)
Now, total the gross earnings of each day.
\(427+579.5+579.5+671+427+244\)
Solve.
\(2928\)
2/3 divided by 3/4
Please help
Hey,
\( \frac{2}{3} \div \frac{3}{4} = \frac{2}{3} . \frac{4}{3} = \frac{8}{9} \)
`Sorry if it's wrong
Good luck :)
please help me i need to get a 100 to play roblox
Answer:
0.44
Step-by-step explanation:
Also I highly highly respect you doing this for roblox. I wish you the best of luck!
Answer:
00.4 I used to do this!!
Step-by-step explanation:
Hope this helps!!!
HAVE AN AMAZING DAY
Please help me out with this all I need is the answer, pleaseeee
Answer:
8x-3
Step-by-step explanation:
The total perimeter is the length of all the sides of the triangle added together, in this case that is 11x+1. In order to get the length of the one side by itself subtract the other two side lengths from the perimeter. (11x+1)-(x+5)=10x-4. (10x-4)-(2x-1)=8x-3.
Consider the same firm with production function: q=f(L,K) = 20L +25K+5KL-0.03L² -0.02K² Make a diagram of the total product of labour, average product of labour, and marginal product of labour in the short run when K = 5. (It is ok if this diagram is not to scale.) Does this production function demonstrate increasing marginal returns due to specialization when L is low enough? How do you know?
The MP curve initially rises to its maximum value because of the specialized nature of the fixed capital, where each additional worker's productivity rises due to the marginal product of the fixed capital.
Production Function: q = f(L,K) = 20L + 25K + 5KL - 0.03L² - 0.02K²
Given, K = 5, i.e., capital is fixed. Therefore, the total product of labor, average product of labor, and marginal product of labor are:
TPL = f(L, K = 5) = 20L + 25 × 5 + 5L × 5 - 0.03L² - 0.02(5)²
= 20L + 125 + 25L - 0.03L² - 5
= -0.03L² + 45L + 120
APL = TPL / L, or APL = 20 + 125/L + 5K - 0.03L - 0.02K² / L
= 20 + 25 + 5 × 5 - 0.03L - 0.02(5)² / L
= 50 - 0.03L - 0.5 / L
= 49.5 - 0.03L / L
MP = ∂TPL / ∂L
= 20 + 25 - 0.06L - 0.02K²
= 45 - 0.06L
The following diagram illustrates the TP, MP, and AP curves:
Figure: Total Product (TP), Marginal Product (MP), and Average Product (AP) curves
The production function demonstrates increasing marginal returns due to specialization when L is low enough, i.e., when L ≤ 750. The marginal product curve initially increases and reaches a maximum value of 45 units of output when L = 416.67 units. When L > 416.67, MP decreases, and when L = 750 units, MP becomes zero.
The MP curve's initial increase demonstrates that the production function displays increasing marginal returns due to specialization when L is low enough. This is because when the capital is fixed, an additional unit of labor will benefit from the fixed capital and will increase production more than the previous one.
In other words, Because of the specialised nature of the fixed capital, the MP curve first climbs to its maximum value, where each additional worker's productivity rises due to the marginal product of the fixed capital.
The APL curve initially rises due to the MP curve's increase and then decreases when MP falls because of the diminishing marginal returns.
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Point `A` is located at coordinates `(-3,\ 2)`.
(b) Point `C` is the image of point `A` after a translation `2` units to the right, and then a reflection across the `x`-axis. What are the coordinates of point `C`?
The coordinates for point C are mathematically given as
(x,y)= (-2, 3).
This is further explained below.
What are coordinates?Generally, A coordinate system is a system that makes use of one or more integers, also known as coordinates, in order to precisely identify the location of points or other geometric components on a manifold, such as Euclidean space.
In conclusion, The mathematical expression for the coordinates of point C is written as (x,y)=.(-2, 3).
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Find the perimeter. Simplify your answer.
2-5
2-5
Z-8
2(z - 5) + (z - 8) =
= 2z - 10 + z - 8 =
= 2z + z - 10 - 8 = 3z - 18 ← the end
Multiply.
(2.1×102)×(3.5×105)
Answer:
78,718.5
Step-by-step explanation:
2.1*102=214.2
3.5*105=367.5
214.2*367.5=78,718.5
Conditional Proof for:
Premises:
1. A > (K > L)
2. (L v N) > J
Conclusion:
A > (K > J)
The conclusion "A > (K > J)" is proved using a conditional proof based on the given premises.
To prove the conclusion "A > (K > J)" from the given premises, we can use a conditional proof. Here's a step-by-step breakdown of the proof:
1. Assume A as the temporary assumption. (Assumption)
2. From premise 1, we have: A > (K > L).
3. Assume K as the temporary assumption. (Assumption)
4. From assumption 3 and premise 2, we have: (L v N) > J.
5. From assumption 3, premise 2, and the disjunction elimination (vE) rule, we have two cases to consider:
a) Assume L as the temporary assumption. (Assumption)
- From assumption 4, we have: J. (Direct derivation)
b) Assume N as the temporary assumption. (Assumption)
- Since N is arbitrary and has not been used, we can conclude anything from this assumption. For the sake of simplicity, let's conclude J. (Direct derivation)
6. In both cases (5a and 5b), we have J as the result.
7. Based on cases 5a and 5b, we can conclude (K > J) using the conditional introduction (>) rule.
8. From assumption 3 and the derived result in step 7, we have K > J.
9. Based on assumption 3 and the derived result in step 8, we can conclude (A > (K > J)) using the conditional introduction (>) rule.
10. Since the assumption in step 3 was arbitrary, we can discharge it and conclude (A > (K > J)).
11. Since the assumption in step 1 was arbitrary, we can discharge it and conclude that if A holds, then (K > J) follows, i.e., A > (K > J). (Conditional proof)
Therefore, we have proved the conclusion "A > (K > J)" using a conditional proof based on the given premises.
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150 is not a required term for this proof, thus it is not included in the answer.
Given premises:
1. A > (K > L)2. (L v N) > J Conclusion: A > (K > J)Proof:
Assume A is true. This is our assumption for the Conditional proof. Now we need to prove that (K > J) will also be true with the given premises.So, from 1: A > (K > L) with A assumed to be true, we can infer:(K > L) (using Conditional Elimination) Now we need to prove that K > J. So assume K to be true to show that J will be true as well. So, for this assumption, we have to prove L also to be true. From (K > L), with the assumption that K is true, we can conclude that L is also true. Now we can use this result to prove the final statement:
(L v N) > J (Premise 2) (using Conditional Elimination)Since we have proved that L is true, we can conclude that J is true as well. We have used the premise 2 to make this conclusion. Hence the conclusion follows:A > (K > J) is true.150 is not a required term for this proof, thus it is not included in the answer.
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I've always has trouble with graphs does anyone really understand this?
Answer:
yes..the slope is rise over run...the slope is -3
The average expenditure for hip replacement is $12,485 for country A and 14,438 for country B. the P value(two tailed) is 0.063. What do the data determine in this scenario? a. if average expenditure in country A can predict expenditure in country B b. if there is a relationship in average expenditure between the two countries c. if there is difference in average expenditure between the two countries d. if the average expenditure in country A and country B are normally distributed A sample of rural residents was surveyed to determine the number of times for residents saw a primary care provider in one year. On average, the participants saw their provider 3.3 times per year. ( 95% confidence interval 0.1 to 6.1 ) why was this of statistical use for this sample? a. It was a count variable b. It was a categorical variable c. It is a binary variable d. It is a ratio variable Administrators at a rural hospital want to determine causes for their financial distress. In doing so, they have identified that the average operating margin for a rural hospital is −1.32% (stander deviation is ±0.89% ) Why is the average operating margin appropriate to use in this situation? a. It is a measure of the fifth percentile b. it identifies the range of the data c. it identifies the outliers in the data d. it is a measure of central tendency Ebola is transmitted through human contact. although relief agencies sent medical team to provide treatment the impacted communities prefer to maintain isolation against outsiders. the distrust of outsiders 'cause a hesitancy to accept treatment. which consideration factor will ultimately contribute to the spread of Ebola? a. the influence of non-indigenous people b. the population density of the affected area c. dry and air climates which suits the virus d. the cultural influence of the community Last year a developing country had 1500 reported cases of malaria. during that time there were 400 deaths reported from the disease: 300 of the disease were people over age 18 , in 100 deaths were people underage 18 . What is the case fatality rate? 100∗100/400=25 400∗10/1500=2.67 100∗10/400=2.5 400∗100/1500=26.67
The case fatality rate is 400 * 100 / 1500 = 26.67 (option d).
For the first scenario, the data determine that there is a difference in average expenditure between the two countries (option c). The P-value of 0.063 suggests that there is a moderate level of statistical significance, indicating that the difference in average expenditure is likely not due to random chance.
In the second scenario, the fact that the 95% confidence interval for the average number of times participants saw their provider per year (3.3) ranges from 0.1 to 6.1 is of statistical use because it provides a range estimate within which the true population means is likely to fall. This interval helps account for the uncertainty associated with the sample estimate and provides a measure of the precision of the estimate (option a).
For the third scenario, the average operating margin is appropriate to use because it is a measure of central tendency that represents the typical financial performance of rural hospitals. The standard deviation provides information about the variability of the operating margins (option d).
In the fourth scenario, the consideration factor that will ultimately contribute to the spread of Ebola is the population density of the affected area (option b). While factors like the influence of non-indigenous people and climatic conditions may play a role, population density is a key determinant in the transmission and spread of infectious diseases.
For the fifth scenario, the case fatality rate is calculated by dividing the number of deaths from the disease (400) by the total reported cases (1500) and multiplying by 100. Therefore, the correct calculation is 400 * 100 / 1500 = 26.67 (option d). This indicates that the case fatality rate is approximately 26.67%.
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find the square root of 64 by prime factorization method
Answer:
8 is the square root of 64.
Step-by-step explanation:
I hope it's helpful!
Step-by-step explanation:
8 is the square root of 64 by prime factorization method
The diagram shows a cuboid.
4 cm
5 cm
9 cm
What is the surface area of the cuboid?
Answer:
202 cm^2
Step-by-step explanation:
SA = 2LW + 2LH + 2WH
SA = 2(4 cm)(5 cm) + 2(4 cm)(9 cm) + 2(5 cm)(9 cm)
SA = 40 cm^2 + 72 cm^2 + 90 cm^2
SA = 202 cm^2
The graph of a linear function is shown on the grid.
What is the rate of change of y with respect to x for this function?
Answer:
Step-by-step explanation:
Rate of change = (2-3.6)/(5-(-3)) = -1.6/8 = 0.2
How do I find the slope intercept form of 4x + 2y= 24?
Answer:
Step-by-step explanation:
that is b
Select the answer with the correct number of decimal places for the following sum.
13.914 cm + 243.1 cm + 12.00460 cm = _____
a. 269.01860 cm
b. 269.02 cm
c. 269.0186 cm
d. 269.0 cm
e. 269.019 cm
Answer:
269.01860??
But i can tell u 13.914 cm + 243.1 cm + 12.00460 cm = 260.01860 not 269.01860
Step-by-step explanation:
Suppose that Upper X has a discrete uniform distribution f left-parenthesis x right-parenthesis equals StartLayout left-brace1st Row 1st Column 1 divided by 3, 2nd Column x equals 1,2,3 2nd Row 1st Column 0, 2nd Column otherwise EndLayout A random sample of n equals 39 is selected from this population. Find the probability that the sample mean is greater than 2.1 but less than 2.6. Express the final answer to four decimal places (e.g. 0.9876). The probability is
Answer:
The probability that the sample mean is greater than 2.1 but less than 2.6 is 0.2236.
Step-by-step explanation:
The random variable X follows a discrete uniform distribution.
The probability mass function of X is:
\(f(x)=\left \{ {{\frac{1}{3}};\ x=1,2,3 \atop {0;\ \text{otherwise}}} \right.\)
Then,
a = 1
b = 3
The mean and standard deviation of the random variable X are:
\(\mu=\frac{b+a}{2}=\frac{3+1}{2}=2\\\\\sigma=\sqrt{\frac{(b-a+1)^{2}-1}{12}}=\sqrt{\frac{(3-1+1)^{2}-1}{12}}=0.8165\)
The sample size is, n = 39.
According to the Central Limit Theorem if we have an unknown population with mean μ and standard deviation σ and appropriately huge random samples (n > 30) are selected from the population with replacement, then the distribution of the sample mean will be approximately normally distributed.
Then, the mean of the sample means is given by,
\(\mu_{\bar x}=\mu\)
And the standard deviation of the sample means is given by,
\(\sigma_{\bar x}=\frac{\sigma}{\sqrt{n}}\)
As n = 39 > 30, the sampling distribution of sample mean of X will follow a Normal distribution approximately.
Compute the probability that the sample mean is greater than 2.1 but less than 2.6 as follows:
\(P(2.1<\bar X<2.6)=P(\frac{2.1-2.0}{0.8165/\sqrt{39}}<\frac{\bar X-\mu_{\bar x}}{\sigma/\sqrt{n}}<\frac{2.6-2.0}{0.8165/\sqrt{39}})\)
\(=P(0.76<Z<4.59)\\\\=P(Z<4.59)-P(Z<0.76)\\\\=1-0.77637\\\\=0.22363\\\\\approx 0.2236\)
Thus, the probability that the sample mean is greater than 2.1 but less than 2.6 is 0.2236.
what is the relationship between 7 divided by 8 and 7/8
Feri invests some money.
The rate of interest for the first year is 2.5%.
At the end of the second year the overall percentage increase of Feri's investment is 6.6%.
Find the rate of interest for the second year.
The rate of interest for 2nd year is 4.1%
How to find the interest rate for the second yearFrom the given parameters;
Rate of interest for 1st year = 2.5
As we know the formula for Simple interest is given by
=> I = (PTR)/100
We will use this formula in the following problem
Let 100 be Feri's investment
At the Rate of interest of 2.5
Interest on 100 = [(100(1)(2.5)]/100 = 2.5
Total amount at end of 1st year = 100 + 2.5 = 102.5
Let x be the rate of interest for 2nd year
At the rate of interest of x
interest on 100 = [(100(1)(x)]/100 = x
Total amount at end of 2st year = 102.5 + x
Given that, at end of the 2 years, the rate of interest becomes 6.6%
Interest on 100 at the rate of 6.6%
=> [(100(1)(6.6)]/100 = 6.6
=> total amount = 100 + 6.6 = 106.6
As we know in both cases, the amount must be equal
=> 102.5 + x = 106.6
=> x = 4.1
Therefore, The rate of interest for 2nd year = 4.1
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How to do this ?? help pls
Step-by-step explanation:
\( \tt{53 \degree + ( 5 + 4x) \degree = 90 \degree} \: \) ( Sum of complementary angles )
⟶ \( \tt{53 \degree + 5 + 4x \degree = 90 \degree}\)
⟶ \( \tt{58 \degree + 4x \degree = 90 \degree}\)
⟶ \( \tt{4x \degree = 90 \degree - 58 \degree}\)
⟶ \( \tt{ 4x \degree = 32 \degree}\)
⟶ \( \tt{x = \frac{32 \degree}{4 \degree}} \)
⟶ \( \tt{x = 8 \degree}\)
\( \pink{ \boxed{ \boxed{ \text{Our \: final \: answer : \boxed{ \tt{x = 8 \degree}}}}}}\)
Hope I helped ! ツ
Have a wonderful day / night ! ♡
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Complete the square to re-write the quadratic function in vertex form:
Answer:
(x+2)^2 - 6
Step-by-step explanation:
Jermaine has t trading cards. Jasmine has 7 trading cards. Together,
Jermaine and Jasmine have 13 trading cards. Which equation could
represent the problem? Select all that apply.
Answer: t+7= 13
Step-by-step explanation:
Jermaine has "t" trading cards whereas Jasmine has 7, together they make 13 trading cards.
So t+7= 13.
(t=6)