Answer:
26
Step-by-step explanation:
Distance = (x2 - x1) ² + (y2 - y1)²
Distance = ( 3-4)² + (-2-3)²
Distance = 26
Find the value of L that Will Maximize the profit Q=L²e^0.01L
The minimum profit occurs at L = 0, where Q = 0.
To find the value of L that maximizes the profit Q = L²\(e^{(0.01L)\).
We need to differentiate Q with respect to L and find the critical points where the derivative equals zero.
Then we can determine whether each critical point is a maximum or a minimum by examining the second derivative.
Testing for critical points:Q = L²\(e^{(0.01L)\)
Q' = \(2Le^{(0.01L)\) + \(0.01 L^2e^{(0.01L)\)
= 0(2L + 0.01L²) \(e^{(0.01L)\)
= 0L (critical point) or 200 \(e^{(0.01L)\)
= 0 (extraneous, ignore)
2L + 0.01L² = 0L(2 + 0.01L) = 0L = 0 or L = -200 (extraneous, ignore)
The only critical point is at L = 0.
Testing for maximum or minimum:Q'' = \(2e^{(0.01L)\) + 0.02Le^(0.01L) + 0.0001L²\(e^{(0.01L)Q''(0)\)
= \(2e^{(0)\) = 2Since Q''(0) > 0,
The critical point at L = 0 is a minimum.
Therefore, there is no value of L that maximizes the profit.
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The values of L that will maximize the profit are 0 and -200
Finding the value of L that will maximize the profitFrom the question, we have the following parameters that can be used in our computation:
\(Q = L\²e^{0.01L\)
Differentiate the function
So, we have
\(Q' = \frac{L \cdot (L + 200) \cdot e^{0.01L}}{100}\)
Set the equation to 0
\(\frac{L \cdot (L + 200) \cdot e^{0.01L}}{100} = 0\)
Cross multiply
\(L \cdot (L + 200) \cdot e^{0.01L} =0\)
When expanded, we have
L = 0, L + 200 = 0 and \(e^{0.01L} =0\)
When solved for L, we have
L = 0 and L = -200
Hence, the values of L are 0 and -200
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Roger Drew one card from a standard deck of 52 cards. what is the probability that the card Roger Drew is not a club? remember all fractions have to be simplified.
Answer: 3/4
Step-by-step explanation:
There are 4 suits (Clubs, Hearts, Diamonds, and Spades) and there are 13 cards in each suit. This means, there are 13 possible club cards to pick from the 52 card deck.
But it is asking for, "not a club".
Which means, we have to find out the probability of Roger not picking the club card.
So we have to find out the possible cards to pick which are not club.
We can simply do :
52-13 = 39
Now there are 39 cards which are not a club, so there are 39 different possibilities.
We can simply make it a fraction =
39/52 .
Now that we have made it a fraction, we can simplify it.
Which makes it :
3/4
So the answer is 3/4.
Dana is making bean soup. The recipe she has makes 10 servings and uses
3/4
of a pound of beans. How many total pounds of beans does she need to make 5 servings of soup?
She has
1/16
of a pound of beans in one container and
1/4
of a pound of beans in another container. How many more pounds of beans does Dana need to make the 5 servings of soup? Show your work or explain your answer.
The null hypothesis in the Durbin-Watson test is always that there is a. negative autocorrelation. b. no autocorrelation. c. either positive or negative autocorrelation. d. positive autocorrelation.
Answer:
b. no autocorrelation.
Step-by-step explanation:
The Durbin-Watson test assumes that
H0:ρ=0
HA:ρ≠0
p=0 is a statement for the null hypothesis that assumes that the error term in one period is not correlated to the error term in the previous period.
The Durbin-Watson test is used in regression analysis to test for autocorrelation. The results from the test would always range from 0 to 4. A value of less than 2.0 indicates positive autocorrelation. A value of 2.0 indicates no autocorrelation, and a value of 2.0 to 4.0 indicates negative autocorrelation.
Hove
Find the average rate of change indicated below.
y = 4x+1
[-1, 1)
A.15
B.3.75
C.1.875
D.7.5
The average rate of change of the function over the interval is 4
Finding the average rate of changeFrom the question, we have the following parameters that can be used in our computation:
y = 4x + 1
The interval is given as
[-1, 1)
The function is a linear function
This means that it has a constant average rate of change
From y = 4x + 1, we have
Rate = 4
Hence, the rate is 4
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tristan and his parents drive to dallas for a wedding. after 90 minutes, tristan"s father tells him they have traveled 105 miles. what is the average rate of speed (miles per hour) the car travels in 90 minutes? change minutes to hours
Answer:
I think it would be 70mi/h if u need explanation tell me
which of these is most likely to weigh 2 kilograms car roast chicken horse egg tea bag
The item most likely to weigh 2 kilograms is a roast chicken.
Which of them would weight 2 kilograms?
The size, breed, and any other ingredients or stuffing used can all affect the weight of a roast chicken. Weights of roast chickens can range from petite ones weighing less than 1 kilogram to larger ones weighing more than 2 kilograms.
The other things that we have there would either weigh less than 2 Kg such as a tea bag or much more than 2 Kg such as a horse. The egg and the tea a very light and would be less than 2 Kg in weight while the bag and the horse would be above 2 Kg in weight.
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Name and discuss two way in which a student can pay for his or her studies if their parents can't afford it?
Answer:
They can get a fast food job if they are age 14 depending on state.They can mow neighbor's lawns or plow snow for money.Hope this helps!If so, give thanks!I Need help pls!
What is 75% of 800?
A; 9 3/8
B; 10.66
Answer:
it's 600
Step-by-step explanation:
that's not an option there but...
10% of 800 is 80
5% of 800 is 40
80 × 7 = 560
560 + 40 = 600
Help please I need it
Answer:
sadddddddddddddddddd
Step-by-step explanation:
jugkhvvvvvvvvvvebannabadjguy8uegksmbn iyah
Two people are pulling on a rope in order to get a 2250-kg car out of a mud puddle. One person pulls with a force of 600 N and the other pulls with a force of 800 N. There is a resistive frictional force of 1200 N. Use the acceleration found in the previous question to determine the distance they would pull the vehicle in 25s (answer with 2 digits, include properly abbreviated units) *
Answer:
Assuming both people are pulling in the same direction, the net force on the car is, according to Newton's second law,
600 N + 800 N - 1200 N = (2250 kg) a
Solve for the acceleration a :
200 N = (2250 kg) a
a = (200 N) / (2250 kg)
a ≈ 0.0889 m/s/s
Step-by-step explanation: I hope this helps!
Pls someone help meee!!!!
Answer:
10x
Step-by-step explanation:
Answer:
10 x
Step-by-step explanation:
I think it's the answer
Which equation represents a linear function that has a slope of 5 and a y-intercept of -6?
O y=-6x+3
4
Ov=5x-6
OY=6x+3
Witch variable represents the y intercept
Answer:
B
Step-by-step explanation:
Y=mx=b
m= slope
b= y- intercept
x&y are variables
Let i be the imaginary number √-1. Determine whether the expression a+bi, where a and b are real numbers, represents a real number or a non-real complex number for each case below. Select Real Number or Non-Real Complex number for each case.
Case 1: a = 0; b = 0 --> Real Number
Case 2: a = 0; b ≠ 0 --> Non-Real Complex Number
Case 3: a ≠ 0; b = 0 --> Real Number
Case 4: a ≠ 0; b ≠ 0 --> Non-Real Complex Number
Understanding Complex NumberFor each case, we can determine whether the expression a + bi represents a real number or a non-real complex number based on the values of a and b.
Case 1: a = 0; b = 0
In this case, both a and b are zero. The expression a + bi simplifies to 0 + 0i, which is equal to 0. Therefore, the expression represents a real number.
Case 2: a = 0; b ≠ 0
Here, a is zero, but b is nonzero. The expression a + bi becomes 0 + bi, where b is a nonzero real number multiplied by the imaginary unit i. Since the expression contains a nonzero imaginary part, it represents a non-real complex number.
Case 3: a ≠ 0; b = 0
In this case, a is nonzero, but b is zero. The expression a + bi simplifies to a + 0i, which is equal to a. As there is no imaginary part in the expression, it represents a real number.
Case 4: a ≠ 0; b ≠ 0
Here, both a and b are nonzero. The expression a + bi contains both a real part (a) and an imaginary part (bi). Thus, it represents a non-real complex number.
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A well-known basketball coach has coached at the same university for 20 years. After what
seems like an infinite number of seasons, he finds that the mean number of points his teams score
is 72. One year he has an exceptionally tall team. The coach wants to know if the taller team
results in a greater number of points scored. Assume 72 to be the population mean with the
population variance unknown. The taller téam's scores are: '80, 88, 74, 82, 89, 90, 68, 95, 96, 72,
73 (it was a short season).
State the null and research hypotheses.
1) Report degrees of freedom (if applicable).:
2) Report the critical value using alpha= .05.:
3) Calculate the test statistics. :
4) In two or three sentences, briefly explain the results
(This includes your decision concerning the null hypothesis). :
Null hypothesis: The mean number of points scored by the taller team is not significantly different from the population mean of 72.
How did we determine the test statistic?Alternative hypothesis: The mean number of points scored by the taller team is significantly greater than the population mean of 72.
Since the population variance is unknown, we will use a t-test. The degrees of freedom for this test will be 9 (n-1), where n is the sample size of the taller team (10).
Using an alpha level of 0.05 and 9 degrees of freedom, the critical t-value is 1.833.
To calculate the test statistic, we first need to find the sample mean and standard deviation of the taller team's scores. The sample mean is 82, and the sample standard deviation is 9.89. Using these values, we can calculate the t-value:
t = (82-72) / (9.89 / sqrt(10)) = 3.19
Since the calculated t-value (3.19) is greater than the critical t-value (1.833), we reject the null hypothesis and conclude that there is a significant difference between the mean number of points scored by the taller team and the population mean of 72. The coach can therefore conclude that having a taller team does result in a greater number of points scored.
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Is there a difference between 2x+3 and 3+2x?
Answer:
no
Step-by-step explanation:
its just set up different
Answer:
No
Step-by-step explanation:
Commutative property of addition
what is the remainder for the synthetic division problem? (image attached)
Answer:
D
Step-by-step explanation:
3 | 1 5 - 8 6
↓ 3 24 48
----------------------
1 8 16 54 ← Remainder
What is the y intercept? Can someone explain it to me when there is no 0 on the table please
Answer:
the equation y=mx+b
The y intercept is the point on a line that passes through the y line.
To solve the y intercept, solve y=mx+b.
m being slope
y being a y point
x being a x point
and b being y intercept.
Step-by-step explanation:
Dimensions are not necessary on an Isometric drawing
True
False
Answer:
true
Step-by-step explanation:
Which of these pairs of functions are inverse functions? A) f(x) = 2 ^ (x - 1) + 1 and g(x) = log2 (x - 1) - 1 b) f(x) = 1/2 * (ln(pi/2) - 1) and g(x) = 2e ^ (2x + 1) 1 c) f(x) = (4ln(x ^ 2))/(e ^ 2) g(x) = e ^ ((e ^ 2 * x)/8) d) f(x) = 10 ^ (x - 10) - 10 and g(x) = log10 (x + 10) - 10
Answer:
c) f(x) = (4ln(x²))/(e ²)
g(x) = e ^ ((e ² * x)/8)
Step-by-step explanation:
What is the difference between a part to part ratio and a part to whole ratio. Use the example of a bowl that has two oranges and five bananas.
Part to part ratio
For 2 oranges and five bananas
2oranges:5bananas(2:5)
Part to whole ratio
2oranges:7pieces of fruit(2:7)
5bananas:7pieces of fruit (5:7)
All the best!
5500 trees were planted in a forest on 1st October 2018.
Only 5060 of these trees were still alive on 1st October 2019.
It is assumed that the number of trees still alive is given by N = ar^t
where N is the number of trees still alive t years after 1" October 2018.
a) Write down the value of a.
b) Work out the value of r.
c) Work out the predicted percentage decrease in trees still alive between
1st October 2018 and 1st October 2030.
Answer:
a) a = 5500
b) r = 0.92
c) 63.2%
Step-by-step explanation:
You want various values related to the exponential decrease in the number of living trees from 5500 to 5060 between 2018 and 2019, and you want the percentage decrease to 2030 at the same rate.
a) Exponential functionThe function ...
N = a·r^t
has an initial value of 'a' when t=0. The problem statement tells you that is 5500.
a = 5500
b) Growth rateThe value of r is the ratio of the values of N for t=1 and t=0:
r = (a·r^1)/(a·r^0) = 5060/5500 = 23/25
r = 0.92
c) DecreaseThe fraction still alive after 12 years is predicted to be ...
0.92^12 ≈ 0.3677
So, the percentage decrease is ...
(1 -0.3677) × 100% ≈ 63.2%
The predicted percentage decrease in living trees is 63.2% by 2030.
Write 461 in Roman numerals
3 6 9 12 15 18 21 24 27 30 is odd or even numbers?
Answer: Half of them are even and half of them are odd.
Step-by-step explanation:
The even numbers are 6, 12, 18, 24, and 30. An even number is defined as a number that is divisible by 2, meaning it has no remainder when divided by 2. For example, 6 divided by 2 equals 3 with no remainder, so 6 is even.
The odd numbers are 3, 9, 15, 21, and 27. An odd number is defined as a number that is not divisible by 2, meaning it has a remainder of 1 when divided by 2. For example, 9 divided by 2 equals 4 with a remainder of 1, so 9 is odd.
Therefore, out of the given numbers, half of them are even and half of them are odd.
________________________________________________________
PLEASE HELP!!! Given the <1 is a complement of <2 and m<2 =47° , find m<1
Answer:
43
133
Step-by-step explanation:
Complementary means that the two angles added together equal 90
90 - 47 = 43
Supplement means that the two angels added together equal 180
180 -47 = 133
Find the area of square that has the same perimeter as a rectangle whose length and breadth are 18cm and 8cm respectively
Answer:
169
Step-by-step explanation:
The perimeter of the square and rectangle are said to be the same. Therefore we have to find the perimeter which is :Perimeter of a rectangle= 2(length+breath)
2(18 + 8)
2(26)
52.
A square has four equal sides.
The length will be determined by dividing 52 by 4
\(52 \div 4 = 13\)
The length is 13.
Since the area of a square is
\( {l}^{2} = {13}^{2} \)
L is length.
The answer is
\( {169}^{2} \)
Compare the investment below to an investment of the same principal at the same rate compounded annually.
principal: $5,000, annual interest: 9%, interest periods: 4, number of years: 18
After 18 years, the investment compounded periodically will be worth $? more than the investment compounded annually.
(Round to two decimal places as needed.)
After 18 years, the investment compounded periodically (quarterly) will be worth $1,230.23 more than the investment compounded annually.
What is compounded interest?Compounded interest refers to the interest system that charges interest on both principal and accumulated interest.
The period of compounding in a year determines the worth of the future value.
The future value can be ascertained using an online finance calculator as follows:
Interest periods: = 4 times yearly (Quarterly)
Principal = $5,000
Annual interest rate = 9%
Number of years: 18
N (# of periods) = 72 quarters (18 years x 4)
I/Y (Interest per year) = 9%
PV (Present Value) = $5,000
PMT (Periodic Payment) = $0
Results:
Future Value (FV) = $24,815.83
Total Interest = $19,815.83
Interest periods: = Annually
N (# of periods) = 18 years
I/Y (Interest per year) = 9%
PV (Present Value) = $5,000
PMT (Periodic Payment) = $0
Results:
Future Value (FV) = $23,585.60
Total Interest = $18,585.60
Difference in Future Values $1,230.23 ($24,815.83 - $23,585.60)
Thus, an investment compounded periodically earns more than an investment compounded annually.
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A real estate agent earned $6300 commission on a property sale of $210000. What is her rate of commission?
STEP - BY - STEP EXPLANATION
What to find?
The rate of commission.
Given:
To solve, we will follow the steps below:
Step 1
Define the formula that can be use in solving the given problem.
\(Rate\text{ of commission=}\frac{amount\text{ earned}}{total\text{ amount}}\times100\)From the question;
amount earned = $6300 and total amount = $210000
Step 2
Substitute the values into the formula and simplify.
\(Rate\text{ of commission=}\frac{6300}{210000}\times100\text{ \%}\)\(=\frac{63}{21}\text{ \%}\)\(=3\text{ \%}\)ANSWER
The rate of commission is 3 %
In a sequence of numbers,
a₁ = -6, a3 = 4, a5 = 14, a6 = 19,
and a 24. Based on this
information, which equation
can be used to find the nth
term in the sequence, an?
Answer:
Step-by-step explanation:
To find the equation for the nth term in the sequence, we need to determine the pattern or rule that generates the sequence.
From the given information, we can see that the sequence is not arithmetic because the differences between consecutive terms are not constant. Instead, the sequence appears to be quadratic because the second difference between consecutive terms is constant.
Using the given values of a₁, a₃, and a₅, we can find the first few differences:
a₃ - a₁ = 4 - (-6) = 10
a₅ - a₃ = 14 - 4 = 10
So, the first difference is 10, which indicates a linear term in the equation for an. We can now use the given value of a₁ and the first difference to find the constant term in the quadratic equation. Let d be the common difference, then we have:
a₂ = a₁ + d = -6 + 10 = 4
a₄ = a₃ + d = 4 + 10 = 14
a₆ = a₅ + d = 14 + 10 = 24 - 1
a₇ = a₆ + d = 24 - 1 + 10 = 33
Now, we can find the second difference between consecutive terms:
a₄ - 2a₃ + a₂ = 14 - 2(4) + (-6) = 0
a₆ - 2a₅ + a₄ = 19 - 2(14) + 4 = -5
a₇ - 2a₆ + a₅ = 33 - 2(19) + 14 = 9
Since the second difference is constant (-5), this confirms that the sequence has a quadratic term in its equation. Let's assume the equation for the nth term is:
an = an² + bn + c
Substituting the values we know, we get three equations:
a₁ = a₁² + b₁ + c --> -6 = c
a₃ = a₃² + b₃ + c --> 4 = 9a + b + c
a₅ = a₅² + b₅ + c --> 14 = 25a + 5b + c
Solving this system of equations, we get:
a = 1/2, b = 19/2, and c = -6
Therefore, the equation for the nth term in the sequence is:
an = (1/2)n² + (19/2)n - 6.