Answer: multiply
Step-by-step explanation:
Answer:
1.2775928e+15
Step-by-step explanation:
mhmm
say i bought 600 stickers, stickers no one can get, and the price of the grand total of these stickers was 26.97$, and every 10 stickers i sold for 2$ would i make profit back or even more??
Given the price the stickers can be sold for, and the cost in total of the stickers, you can make profit.
How to find the profit ?The total revenue that can be made on the sale of the 600 stickers that you got, would be:
= ( Number of stickers in total / Number of stockers per pack ) x Price per sticker pack
= 600 / 10 x 2
= 60 x 2
= $ 120
Your profit would be:
= Total revenue from stickers - total cost
= 120 - 26. 97
= $ 93. 03
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.Does the function
f(x,y) = x^2/2 + 5y^3 + 6y^2 − 7x
have a global maximum and global minimum? If it does, identify the value of the maximum and minimum. If it does not, be sure that you are able to explain why.
Global maximum?
Global minimum?
The function f(x,y) = x^2/2 + 5y^3 + 6y^2 − 7x has a global maximum at (7,-4/5) and no global minimum.
To determine if the function has a global maximum or minimum, we need to check its critical points and boundary points.
Taking partial derivatives with respect to x and y and setting them equal to 0, we have:
∂f/∂x = x - 7 = 0
∂f/∂y = 15y^2 + 12y = 0
From the first equation, we get x = 7. Substituting this into the second equation, we get:
15y^2 + 12y = 0
3y(5y + 4) = 0
This gives us two critical points: (7, 0) and (7, -4/5).
To check if these critical points are local maxima or minima, we need to use the second partial derivative test. Taking second partial derivatives, we have:
∂^2f/∂x^2 = 1, ∂^2f/∂y^2 = 30y + 12
∂^2f/∂x∂y = 0 = ∂^2f/∂y∂x
At (7,0), we have ∂^2f/∂x^2 = 1 and ∂^2f/∂y^2 = 0, which indicates a saddle point.
At (7,-4/5), we have ∂^2f/∂x^2 = 1 and ∂^2f/∂y^2 = -12, which indicates a local maximum.
To check for global extrema, we also need to consider the boundary of the domain. However, the function is defined for all values of x and y, so there is no boundary to consider.
Therefore, the function has a global maximum at (7,-4/5) and no global minimum.
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when ratios have the same units we call that ratio _____________
Therefore, When ratios have the same units, we call that ratio a unit ratio.
When ratios have the same units, we call that ratio a unit ratio. An explanation of what is meant by the term ratio would be helpful. A ratio compares the relative sizes of two or more quantities. If the numbers being compared have the same units, then it is called a unit ratio. Unit ratios are ratios that relate to each other in terms of the same measurement unit. They are also sometimes known as unit rates or unit fractions. They are frequently used to compare the relative size of one quantity to another when they are measured in the same units. For example, when we say that there are two apples for every five oranges, we are expressing a ratio between apples and oranges. However, when we say that there are two apples per five oranges, we are using a unit ratio.
Therefore, When ratios have the same units, we call that ratio a unit ratio.
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What are the solutions of the equation 9x^4 - 2x^2 - 7 = 0? Use u substitution to solve.
purchase furniture of rs.50000 at 10% discount (accounting equation
Answer:
5000
Step-by-step explanation:
50000 / 10= 5000
Cost of the furniture of 50000 rupees with 10% discount is 45000 rupees
What is Discount?A deduction from the usual cost of something
Here Cost of the furniture = 50000 rupees
Discount = 10%
Then the discount price is = total cost × 10%
\(50000(\frac{10}{100})=5000\) rupees
Then the purchased amount = Total price - Discount
\(50000-5000=45000\) rupees
Hence, the purchased price is 45000 rupees
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the time between arrivals of taxis at a busy intersection is exponentially distributed with a mean of
The probability of waiting longer than one hour for a taxi is approximately 0.5488
Let X be the time between arrivals of taxis at the intersection. Then, X follows an exponential distribution with a mean of 10 minutes, i.e., E(X) = 10.
We want to find the probability of waiting longer than one hour (i.e., 60 minutes) for a taxi. Let Y be the waiting time for a taxi. Then, Y = kX, where k is a constant.
We can find k as follows
E(Y) = E(kX) = kE(X) = 10k
Since the mean waiting time is one hour (i.e., 60 minutes), we have
E(Y) = 60 minutes = 1 hour
Therefore, we get
10k = 1
k = 1/10
Now we can find the probability of waiting longer than one hour for a taxi as follows
P(Y > 60) = P(kX > 60) = P(X > 6) [since k = 1/10]
where the last step follows from the fact that X follows an exponential distribution with mean 10, so P(X > x) = e^(-x/10) for any x > 0.
Therefore, we get
P(Y > 60) = P(X > 6) = e^(-6/10) = e^(-0.6) ≈ 0.5488
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The given question is incomplete, the complete question is:
The time between arrivals of taxis at a busy intersection is exponentially distributed with a mean of 10 minutes. (a) What is the probability that you wait longer than one hour for a taxi?
a farmer finds that if she plants 95 trees per acre, each tree will yield 80 bushels of fruit. she estimates that for each additional tree planted per acre, the yield of each tree will decrease by 3 bushels. how many trees should she plant per acre to maximize her harvest?
She should plant 118 trees per acre to maximize her harvest area. This will yield 96 bushels per tree.
95 trees per acre x 80 bushels per tree = 7600 bushels
96 trees per acre x 77 bushels per tree = 7392 bushels
97 trees per acre x 74 bushels per tree = 7158 bushels
98 trees per acre x 71 bushels per tree = 6938 bushels
99 trees per acre x 68 bushels per tree = 6732 bushels
100 trees per acre x 65 bushels per tree = 6500 bushels
101 trees per acre x 62 bushels per tree = 6262 bushels
102 trees per acre x 59 bushels per tree = 6038 bushels
103 trees per acre x 56 bushels per tree = 5828 bushels
104 trees per acre x 53 bushels per tree = 5532 bushels
105 trees per acre x 50 bushels per tree = 5250 bushels
106 trees per acre x 47 bushels per tree = 4978 bushels
107 trees per acre x 44 bushels per tree = 4716 bushels
108 trees per acre x 41 bushels per tree = 4452 bushels
109 trees per acre x 38 bushels per tree = 4188 bushels
110 trees per acre x 35 bushels per tree = 3925 bushels
111 trees per acre x 32 bushels per tree = 3663 bushels
112 trees per acre x 29 bushels per tree = 3407 bushels
113 trees per acre x 26 bushels per tree = 3151 bushels
114 trees per acre x 23 bushels per tree = 2895 bushels
115 trees per acre x 20 bushels per tree = 2300 bushels
116 trees per acre x 17 bushels per tree = 1972 bushels
117 trees per acre x 14 bushels per tree = 1638 bushels
118 trees per acre x 11 bushels per tree = 1306 bushels
Therefore, 118 trees per acre will yield the highest harvest of 1306 bushels.
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lol i need help . i would really appreciate it . thank you .
Answer:
y= 3/5x + 1
Step-by-step explanation:
Slope intercept form is modeled by the equation y=mx+b.
M = slope, while B = y-intercept.
The y-intercept in this scenario equals (0, 1) or just simply 1.
The slope equals 3/5. This can be found with rise/run or y/x.
is anybody can help me with this one?
\(5(1 + n) = 2n ^{2} - 2\)
Answer:
n = -1 , 3.5
Step-by-step explanation:
Move the terms to the left side and set equal to zero. Then set each factor equal to 0
By applying the substitution t = tan² 0 to B(x, y)= I 25 (sin 0)2x-1 (cos 0)2y-1de, show that dt B(x, y) = √o (1+t)x+y tx-1
The substitution that has been applied to B(x, y) is dt B(x, y) = √(1+t) (1+t)x+y tx-1.
The substitution that has been applied to B(x, y) is t = tan² 0
The substitution for x and y using the trigonometric identities is given by,
x = sin² 0 / cos² 0 = tan² 0 …(1)
y = sin² 0 …(2)
Differentiating both sides of equation (1) with respect to θ, we get
dx / dθ = 2tan 0 sec² 0
Putting the values of x and y in B(x, y), we get
B(x, y) = I 25 (sin 0)² (sin² 0 / cos² 0)-1 (cos 0)² (sin² 0)-1 dθ
= I 25 (sin 0)² / cos² 0 * cos² 0 / sin² 0 dθ
= I 25 tan² 0 dθ
= 25
∫ t dt √1+t
Now, we need to find the value of dt B(x, y) in terms of t.
To find dt B(x, y), we use the chain rule of differentiation and get
dt B(x, y) = ∂B/∂x dx/dt + ∂B/∂y dy/dt
= 25(2 sin 0 cos 0 sin² 0 / cos³ 0) * 2 sin 0 cos 0 sin 0 cos 0 dθ
= 100 (sin 0)³ (cos 0)³ / cos⁴ 0 dθ
= 100 (sin 0)³ / cos 0 dθ
Now, putting the values of x, y, and t, we get
dt B(x, y) = 100 sin³ 0 / cos 0 dθ
= 100 sin³ θ / cos θ dθ
Using the identity 1+t = sec² 0 or cos² 0 = 1 / (1+t), we can rewrite the above integral as
∫ 100 sin³ θ / cos θ dθ
= ∫ (1+t) (1+t)½ dt
Substituting the limits, we get
∫ 100 sin³ θ / cos θ dθ
= ∫ √(1+t) (1+t)x+y tx-1 dt
Answer: dt B(x, y) = √(1+t) (1+t)x+y tx-1.
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find the probability that the mean run time for the 40 runners is between 141 and 143 accurate to 4 decimal places suppose a cateogyr of runners
The probability that the mean run time for the 40 runners is between 141 and 143 is 0.1059.
To calculate the probability, we need to assume that the run times for the runners are normally distributed. Let's also assume that the population standard deviation is known to be 5 minutes.
The distribution of the sample mean can be approximated by a normal distribution, with the mean of the sample mean being equal to the population mean, and the standard deviation of the sample mean being equal to the population standard deviation divided by the square root of the sample size (i.e., 5 / sqrt(40)).
Now we can calculate the z-scores for the lower and upper bounds of the desired interval. The z-score formula is given by z = (x - μ) / (σ / sqrt(n)), where x is the value we want to find the probability for, μ is the population mean, σ is the population standard deviation, and n is the sample size.
For the lower bound:
z_lower = (141 - 140) / (5 / sqrt(40)) ≈ 0.8944
For the upper bound:
z_upper = (143 - 140) / (5 / sqrt(40)) ≈ 1.7889
Using a standard normal distribution table or a calculator, we can find the area under the curve between these two z-scores. The probability is equal to the area under the curve between the z-scores.
P(0.8944 < z < 1.7889) ≈ 0.1059
The probability that the mean run time for the 40 runners is between 141 and 143 minutes is approximately 0.1059, or 10.59%. This implies that there is a relatively high likelihood that the sample mean falls within this range.
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Marta has a bracelet made up of 3 red, 5 yellow, and 24 green beads.What is the ratio of yellow beads to beads that are not yellow
Answer:
.....................
someone please help meeee!!!
solve for the correlation coefficient, evrything is in the image
Answer:
The value of R is -0.5212
This is a moderate negative correlation, which means there is a tendency for high X variable scores to go with low Y variable scores (and vice versa).
Step-by-step explanation:
If the simple interest on $7000 for 3 years is $1890, then what is the interest rate?
Answer:
0.09 or 9%
Step-by-step explanation:
I = Prt
Given:
I = 1890
P = 7000
t = 3
Work:
I = Prt
r = I/(Pt)
r = 1890/(7000 x 3)
r = 1890/21000
r = 0.09
Jan is 5 years older than Tom. In 3 years, Tom will be 3/4 as old as Jan. What is Tom's age now?
Tom is 12 and Jan is 17
Answer: Tom is 6 y/o
Two 22-cm-focal-length converging lenses are placed 16.5?cm apart. An object is placed 35.0?cm in front of one lens.
part a) Where will the final image formed by the second lens be located? Determine the image distance from the second lens. Follow the sign conventions. (answer in three significant figure)?
part b)What is the total magnification? Follow the sign conventions.(answer in three significant figure)?
Part a) The final image formed by the second lens will be located on the opposite side of the lens as the object.
To determine the image distance from the second lens, we can use the lens formula:
1/f = 1/v - 1/u,
where f is the focal length of the lens, v is the image distance, and u is the object distance. Given that the object distance is 35.0 cm and the focal length of the lens is 22.0 cm, we can substitute these values into the lens formula to solve for v. The lens formula can be rearranged to:
v = 1/(1/f + 1/u).
Substituting the values, we have:
v = 1/(1/22 + 1/35) = 1/(0.0455 + 0.0286) ≈ 1/0.0741 ≈ 13.5 cm.
Therefore, the image distance from the second lens is approximately 13.5 cm.
Part b) The total magnification of the system is given by the product of the individual magnifications of each lens. The magnification of a lens can be calculated using the formula:
magnification = -v/u,
where v is the image distance and u is the object distance. For the first lens, the object distance is 35.0 cm and the image distance is the distance between the lenses, which is 16.5 cm. Therefore, the magnification of the first lens is:
magnification_1 = -16.5/35.0.
For the second lens, the object distance is the distance between the lenses, which is 16.5 cm, and the image distance is 13.5 cm (as calculated in part a). Therefore, the magnification of the second lens is:
magnification_2 = -13.5/16.5.
The total magnification is the product of these two magnifications:
total magnification = magnification_1 * magnification_2.
Substituting the values, we have:
total magnification = (-16.5/35.0) * (-13.5/16.5) ≈ 0.706.
Therefore, the total magnification is approximately 0.706.
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Anoop is a lawyer. He charges clients $72 per hour for his services. If Anoop charges a client $612, which equation is set up and solved correctly to determine the number of hours (h) Anoop provided legal services? Responses
The equation that can be used to determine the number of hours that Anoop provided legal services is h = $612 / $72 .
What is the equation?
Division is the mathematical process used in grouping a number into equal parts using another number. The result of the division process is known as the quotient. The sign used to denote division is ÷. Division is one of the basic mathematical operations.
In order to determine the number of hours that Anoop provides legal services, divide the total amount that he charges the client by the charge per hour.
Number of hours that Anoop worked = total amount he charges the client / charge per hour
h = $612 / $72
h = 8.5 hours
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Which is a common denominator of 1/4 and 3/5?
Ο Α. 9
OB. 15
O C. 16
OD 20
Answer:
D 20
Step-by-step explanation:
By use of LCM
the LCM of 4 and 5 is 2 x 2 x 5=20
therefore their common denominator is 20
Find the mABC
Find the mEBD
Find the mABE can someone help me plz
Answer:
mABC=130°
mEBD=130°
mABE=50°
Step-by-step explanation:
Are the transmitter and receiver close enough to work? How do you know?
The average distance that the transmitter and receiver should attain before working is 16 feet.
What is the best range?The best range or distance within which a receiver can get optimum signals from a wireless transmitter is 16 feet. For radios, the average distance is 50 km.
To obtain the accurate distance, we multiply the time taken to transmit 1 bit by the average speed of transmission. When the minimal distance is close enough, the rate of interference will be limited.
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Nine more than the quotient of two and a number xxx. PLEASE HELP ME FAST
Quotient of 2 and x is 2/x
nine more than 2/x is = 9+ (2/x)
so therefore, we have 9 + 2/x
hope this helps :)
The table gives the lowest recorded temperatures in Fahrenheit for each of four cities.
City
Savannah
Atlanta
Rome
Columbus
Temperature
-7.5
-12.0
-17.0
-7.0
Which statement is TRUE according to the table?
Answer:
b
Step-by-step explanation:
im pretty sure
A credit card has an annual percentage rate of 23 988% the balanced owed is $1450.00. Assuming no additional charges are made. What is the minimum monthly payment in dollars, required to pay off the balance in 12 months? (No links)
120.83
149.82
175.33
299.65
Please help thank you
Answer:x=4 y=6.66666666667
Step-by-step explanation:
The median of the set (n, n+5, n+6, n+9, n+15) is 9. What is the mean?
HELP ME
Answer: 10
Step-by-step explanation:
tbh its too long to explain i gtg now but plz just trust me
Explain Null Factor Law
Answer:
If the product of any two numbers is zero,then one or both of the numbers is zero.That is,if ab=0, then a=0 or b=0 (which includes the possibility that a=b=0).
please someone help me. Giving branliest!
Answer:
K would be 8
Step-by-step explanation:
8-2 = 6
6/3 = 2
Factorize by grouping:
4pº + 8p2 + 3p + 6
Work Shown:
I'm assuming you meant to write 4p^3+8p^2+3p+6
If so, then we would have these steps
4p^3+8p^2+3p+6
(4p^3+8p^2)+(3p+6)
4p^2(p+2)+3(p+2)
(4p^2+3)(p+2)
Below is the table of values for
the following function.
f(x) = 22 - 5x + 4
Answer:
Step-by-step explanation:
Thde y-intercept is the value oy y when x = 0. The data table tells us the value of y when x=0 is 4. The ordered pair is (0,4)