Answer:Julios's number is 31
suppose: Julios's number is x
because Julio says, "If you subtract 13 from my number and multiply the difference by -3, the result is -54 "
=> we have: (x - 13).(-3) = -54
<=> x - 13 = (-54):(-3) = 18
<=> x = 18 + 13 = 31
<=> x = 31
Step-by-step explanation:
Consider the wave packet: ψ(x)=[ 2πa 2
1
] 1/2
exp[− 4a 2
(x−⟨x⟩) 2
+i ℏ
px
]. Calculate the uncertainties ⟨Δx 2
⟩=⟨( x
^
−⟨x⟩) 2
⟩ and ⟨Δp 2
⟩=⟨( p
^
−⟨p⟩) 2
⟩, where ⟨ A
^
⟩ denotes the expectation value ⟨ψ∣ A
^
∣ψ⟩ of the observable A
^
on the state ∣ψ>.
The uncertainties ⟨Δx^2⟩ and ⟨Δp^2⟩ are given by the expressions ⟨Δx^2⟩ = a^2/2 and ⟨Δp^2⟩ = (ℏ^2)/(8a^2).
To calculate the uncertainties ⟨Δx^2⟩ and ⟨Δp^2⟩ for the given wave packet, we need to find the expectation values of the observables (x^ - ⟨x⟩)^2 and (p^ - ⟨p⟩)^2, respectively.
The wave packet is represented by the function ψ(x) = [2πa^2]^(1/2) exp[-4a^2(x - ⟨x⟩)^2 + iℏpx]. Here, a is a constant, ⟨x⟩ represents the expectation value of x, and p is the momentum operator.
To find ⟨Δx^2⟩, we calculate the expectation value of (x^ - ⟨x⟩)^2 with respect to ψ(x). By integrating (x - ⟨x⟩)^2 multiplied by the squared magnitude of the wave packet over all x values, we obtain the result ⟨Δx^2⟩ = a^2/2.
Similarly, to find ⟨Δp^2⟩, we calculate the expectation value of (p^ - ⟨p⟩)^2 with respect to ψ(x). Since p is the momentum operator, its expectation value is ⟨p⟩ = 0 for the given wave packet. By integrating (p^ - 0)^2 multiplied by the squared magnitude of the wave packet over all x values, we obtain the result ⟨Δp^2⟩ = (ℏ^2)/(8a^2).
Therefore, the uncertainties ⟨Δx^2⟩ and ⟨Δp^2⟩ are given by the expressions ⟨Δx^2⟩ = a^2/2 and ⟨Δp^2⟩ = (ℏ^2)/(8a^2).
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A right triangle has a hypotenuse of length 3.80 m, and one of its angles is 31.0°. What are the lengths of the following sides?
Answer:
• (a)The length of the side opposite 31.0° is 1.96 meters.
,• (b)The length of the side adjacent 31.0° is 3.26 meters.
Explanation:
In the right triangle:
• The length of the hypotenuse = 3.80 m
,• Let the side ,opposite ,angle 31.0° = x
• Let the side ,adjacent ,angle 31.0° = y
(a)
From trigonometric ratios:
\(\begin{gathered} \sin\theta=\frac{Opposite}{Hypotenuse} \\ \implies\sin31.0\degree=\frac{x}{3.80} \end{gathered}\)Cross multiply:
\(\begin{gathered} x=3.80\times\sin31.0\degree \\ x=1.9571 \\ x\approx1.96\;m \end{gathered}\)The length of the side opposite 31.0° is 1.96 meters.
(b)From trigonometric ratios:
\(\begin{gathered} \cos\theta=\frac{Adjacent}{Hypotenuse} \\ \implies\cos31.0\degree=\frac{y}{3.80} \end{gathered}\)Cross multiply:
\(\begin{gathered} y=3.80\times\cos31.0\degree \\ y=3.2572 \\ y\approx3.26\;m \end{gathered}\)The length of the side adjacent 31.0° is 3.26 meters.
what is the answer?
Answer:
24.5%
Step-by-step explanation:
EXTRA POINTS ASAP
what are the next 3 terms in each sequence (15-20)
What’s the unit rate based on the graph?
How much would 5 bacon egg and cheese cost?
How much 8 bacon egg and cheese cost?
Answer:- 5 Bacon and cheese would cost 17.2$ if we continue the graph simarly
8 bacon and cheese would cost 28 $ as 4 bacon and cheese cost 14 so 8 is double of 4.
Mark my answer brainlist if it is correct.
Thank you
Answer:
unit rate: 3.5it would cost $17.5 for 5 bacon egg and cheeseit would cost $28 for 8 bacon egg and cheeseTo find unit rate:
take two best coordinates: (2,7),(4,14)
then find unit rate using: \(\boxed{\frac{y2-y1}{x2-x1} }\)
using the formula:
\(\frac{14-7}{4-2}\)
\(\frac{7}{2}\)
\(3.5\) ...........this is unit rate.
Using y = mx + b..............Here the y-intercept is 0 and slope(m) is 3.5
y = 3.5x + 0
y = 3.5x
Now using this find bacon prices:
(a)
y = 3.5x
y = 3.5(5)
y = 17.5
(b)
y = 3.5x
y = 3.5(8)
y = 28
Geometry Work
It's due today please help asap
The correct volume of the solid shape given above would be = 3726.1in³.
How to calculate the volume of the solid shape?To calculate the volume of the solid shape, the volume of the cylinder and a cone shoe be subtracted form the Vol of the inner cylinder within the solid shape.
The formula for volume of a cylinder = πr²h
where r = 8in, h = 18in,π= 3.14
vol of cylinder = 3.14× 64×18
= 3617.28in³
volume of cone =⅓πr²h
where hb= 5in
vol = 1/3×3.14×64×5
= 1004.8/3 = 334.9in³
Total volume of shape = 3617.28in³+334.9in³ = 3952.18in³
Vol of inner cylinder = πr²h
where r = 2in
vol = 3.14×4× 18 = 226.08in³
The volume of the shape = 3952.18- 226.08 = 3726.1
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multiply 3x3yand 4x3
Here,
Answer:
21
Step-by-step explanation:
wow lashes is a false eyelashes company. the companymade $50,000 in 2021. they have already sold enough lashes this year to make $5,500 in profit. this year, they plan to sell at least 800 more packs of lashes than the previous year. each pack of lashes makes the company $12
Answer:
whats the question
Step-by-step explanation:
Please Help!
Jen stopped at Littletown Market to buy 45 cookies for her book club. Littletown Market sells 9 cookies for $5. On her way home, Jen passed by another store, Collegetown Bakery. Collegetown Bakery sells 5 cookies for $3. Jen figured out she got the better deal. How much did she save by buying her cookies at Littletown Market?
Answer:
I believe she saves $18
Step-by-step explanation:
Because 5 x 9 is 45 and 3 x 9 is 27 45-27 is 18 so i think its $18 but I could be wrong
Round 21.25 to the nearest hundredth
Answer:
The answer would be 21.25
so it would just stay the same because the number
2 is in the tens place
1 is in the ones place
.
2 is in the tenths place
5 is in the hundreths place
find the area of the figure
To get the area of the figure, we will first get the area of the rectangle and add the area of the two triangles above it.
Area of rectangle = 7(4)
= 28
Area of each triangle = 1/2(2)(6-4)
= 1/2(2)(2)
= 1/2(4)
= 2
Adding the area of the rectangle and 2 triangles:
= 28 + 2 + 2
= 32
Thus, the total area of the figure is 32cm squared.
Solve for p. Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions. -31p+79 > -59p+81
Answer:
The answer is
p > 1/14Step-by-step explanation:
-31p+79 > -59p+81
Group like terms
Send the constants to the right side of the expression and those with variables to the left side
That's
- 31p + 59p > 81 - 79
Simplify
We have
28p > 2
Divide both sides by 28
We have the final answer as
p > 1/14Hope this helps you
Which of the following symbols is used for a column alias containing spaces?
A. ''
B. ||
C. " "
D. //
The correct symbol used for a column alias containing spaces is C. " " (quotation marks).
In SQL, when we want to assign a column alias containing spaces, we enclose the alias within double quotation marks. This is done to differentiate the alias from other SQL keywords or to handle cases where the alias includes special characters, spaces, or is case-sensitive.
For example, consider the following SQL query:
SELECT column_name AS "Column Alias"
FROM table_name;
In this query, we are selecting a column named "column_name" from the table "table_name" and assigning it the alias "Column Alias" containing spaces. By enclosing the alias within double quotation marks, we indicate to the database that it should treat the entire string as a single identifier or alias.
Using other symbols such as '', ||, or // will not achieve the desired result of creating an alias with spaces. These symbols have different meanings in SQL.
'' (two single quotation marks) typically represents an empty string or a string literal in SQL.
|| (double vertical bars) is the concatenation operator in some SQL dialects, used to combine strings or values.
// (double forward slashes) is commonly used for comments in various programming languages and does not have any special meaning for column aliases in SQL.
Therefore, the correct symbol to use for a column alias containing spaces is C. " " (quotation marks).
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Easy question.. pls anwser
Answer:
Its B: -18
Step-by-step explanation:
- - makes a +
-57+37=-18
Answer: it’s B
hope this helps
The fan below has been stretched open as far as it will go to form a semi-circle.
Each of the eighteen sectors formed by the fan consists of the same amount of fabric. The length of
each wooden rod that connects the center of the fan to its edge is 12 cm. The wooden rods are
glued to the fabric forming the fan. Determine the approximate area of each sector.
Answer:
Area of each sector=\(12.6cm^2\)
Step-by-step explanation:
We are given that
Length of each wooden od that connects the center of the fan to its edge ,r=12 cm
Total number of sectors=18
We have to find the approximate area of each sector.
Area of semi-circle=\(\frac{1}{2}\pi r^2\)
Using the formula
Area of fan=\(\frac{1}{2}\pi (12)^2=72 \pi cm^2\)
Area of each sector=\(\frac{area\;of\;fan}{Total\;number\;of\;sectors}\)
Area of each sector=\(\frac{72\pi}{18}=\frac{72\times 3.14}{18} cm^2\)
Where \(\pi=3.14\)
Area of each sector=\(12.56cm^2\approx 12.6 cm^2\)
Sunny days 246 what percent of the year has sunshine ?
Answer:
67%
Step-by-step explanation:
If you take the 365 days in a year and divide that by the 246 sunny days, you should get the number 0.67397260274, rounded to 67%.e
Find the 10th term of the geometric sequence 8,-16,32
Answer:
4096
GP = {8 , 16 , 32 , 64 , 128 , 256 , 512 , 1024 , 2048 , 4096...} Therefore , the 10th term of the sequence is 4096.
I hope it help you
The required 10th term of the geometric sequence 8, -16, 32 is -4,096.
What is geometric progression?Geometric progression is a sequence of series whose ratio with adjacent values remains the same.
To find the 10th term of the geometric sequence 8, -16, 32, we first need to determine the common ratio (r) between consecutive terms.
r = (second term) / (first term) = (-16) / 8 = -2
So the common ratio is -2.
The nth term of a geometric sequence is given by the formula:
\(a_n = a_1 * r^{(n-1)}\)
where \(a_n\) is the nth term, \(a_1\) is the first term, r is the common ratio, and n is the term number.
To find the 10th term, we plug in a1 = 8, r = -2, and n = 10:
\(a_{10} = 8 * (-2)^{(10-1)}a10 = 8 * (-2)^9a_{10} = 8 * (-512)a_{10} = -4,096\)
Therefore, the 10th term of the geometric sequence 8, -16, 32 is -4,096.
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a curious high school student has asked for help interpreting data they found on how many licks it takes to reach the tootsie roll center of a tootsie pop. from a sample of 64 hungry high school students, you find the average number of licks is 269. the reported standard deviation is 11 licks. for a 90% confidence level, what is the upper bound in number of licks of the confidence interval to reach the tootsie roll center of a tootsie pop?
For a 90% confidence level, the upper bound in number of licks of the confidence interval to reach the tootsie roll center of a tootsie pop is 271.261.
To find the upper bound of the confidence interval for the mean number of licks to reach the tootsie roll center of a tootsie pop, we can use the formula:
upper bound = sample mean + margin of error
where the margin of error is given by:
margin of error = z-score * standard error
The z-score for a 90% confidence level is 1.645 (obtained from a standard normal distribution table). The standard error is given by:
standard error = standard deviation / \(\sqrt{sample size}\)
Substituting the given values, we get:
standard error = 11 / \(\sqrt{64}\) = 1.375
So, the margin of error is:
margin of error = 1.645 * 1.375 = 2.261
Finally, the upper bound of the confidence interval is:
upper bound = 269 + 2.261 = 271.261
Therefore, with 90% confidence, we can say that the true mean number of licks to reach the tootsie roll center of a tootsie pop is less than or equal to 271.261 licks.
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I don’t understand how to solve this.
The area of ΔAFD is 42 squared unit.
What is the area of a triangle?The area of a triangle is the amount of space that the triangle would occupy on a 2 dimensional plane.
Area of a triangle = 1/2 x base x height
To solve the given problem, let the height be resented by x and the base be represented by y. So that applying the trigonometric function to determine the values, we have;
i. Sin θ = opposite/ hypotenuse
Sin 30 = x/ 14
x = 14 x Sin 30
= 7
The height is 7 units.
ii. Cos θ = adjacent/ hypotenuse
Cos 30 = y/ 14
y = 14 x Cos 30
= 12
The base is 12 units.
Therefore, the area of triangle AFD can be determined by;
Area of ΔAFD = 1/2 x 12 x 7
= 42
The area of ΔAFD is 42 squared unit.
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Bruce walks 34 mile in 15 hour. What is his speed in miles per hour?
Answer:
S=D/T
34/15=2.26 mph
Step-by-step explanation:
11 Finding a difference quotient for a linear or quadratic function V Find the difference quotient f(x)=-3x²-2x+5 Simplify your answer as much as possible. f(x +h)-f(x) h f(x+h)-f(x) h = ( where h#0,
The difference quotient for the given function is 9 -2/h.
The difference quotient for the given function can be calculated as:
[f(x+h) - f(x)]/h
= [(3(x+h)² - 2(x+h) + 5) - (3x² - 2x + 5)]/h
= (3x² + 6xh + 3h² - 2x - 2h + 5 - 3x² + 2x - 5)/h
= (6xh + 3h² - 2h)/h
= (6x + 3h -2)/h
Simplifying the expression further, we get:
(6x + 3h -2)/h = 6 + 3h/h -2/h
= 6 + 3 -2/h
= 9-2/h
Therefore, the difference quotient for the given function is 9 -2/h.
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"Your question is incomplete, probably the complete question/missing part is:"
Find the difference quotient [f(x+h)-f(x)]/h, where h≠0, for the function below.
f(x)=3x² -2x+5. Simplify your answer as much as possible.
can someone check my answers plz
Answer:
its right
can i have brainliest please
Answer:
I got the same answers as you
Young Professional magazine was developed for a target audience of recent college graduates who are in their first 10 years in a business/professional career. In its two years of publication, the magazine has been fairly successful. Now the publisher is interested in expanding the magazine’s advertising base. Potential advertisers continually ask about the demographics and interests of subscribers to Young Professional. To collect this information, the magazine commissioned a survey to develop a profile of its subscribers. The survey results will be used to help the magazine choose articles of interest and provide advertisers with a profile of subscribers. As a new employee of the magazine, you have been asked to help analyze the survey results.what do young professional be a good advertising outlet for online brokers justify your conclusion with statistical data?
The majority of Young professional subscribers are interested in personal finance and investment opportunities.
Young Professional magazine would be a good advertising outlet for online brokers because its target audience consists of recent college graduates who are in their first 10 years in a business/professional career. This demographic is likely to have a high level of education, which means they are more likely to understand and be interested in investment opportunities. Additionally, as young professionals, they are likely to have a higher disposable income and a desire to invest and grow their wealth.
According to the survey results, the majority of Young Professional subscribers are interested in personal finance and investment opportunities. This makes the magazine an ideal outlet for online brokers to advertise their services and reach potential customers. The survey also revealed that the majority of subscribers are tech-savvy and comfortable with online transactions, which makes them more likely to be interested in using online brokers for their investment needs.
Overall, the demographics and interests of Young Professional subscribers make it a good advertising outlet for online brokers. By advertising in the magazine, online brokers can reach a highly educated, tech-savvy, and financially motivated audience that is likely to be interested in their services.
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The phosphorylation of ________ a protein kinase upon downstream signaling by phosphorylated insulin receptor substrate-1 is responsible to promote cell division and growth.
The phosphorylation of a protein kinase upon downstream signaling by phosphorylated insulin receptor substrate-1 is responsible for promoting cell division and growth.
nsulin receptor substrate-1 (IRS-1) is a protein involved in insulin signaling pathways. When insulin binds to its receptor on the cell surface, it initiates a cascade of intracellular events. One of the key steps in this signaling pathway is the phosphorylation of IRS-1. Upon phosphorylation of IRS-1, it serves as a docking protein for various downstream signaling molecules, including protein kinases. One of the protein kinases that can be activated through this interaction is responsible for promoting cell division and growth.
The phosphorylation of the protein kinase is crucial for its activation, allowing it to carry out its function in promoting cell division and growth. This phosphorylation event is a key regulatory step in the insulin signaling pathway and plays a vital role in coordinating cellular responses to insulin.
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Mrs. Campos drives 23 miles each way to visit her daughter every other weekend. Over six weeks, how far does she drive?
21x-3+20x+3=180
Solve for x
Answer:
x=4.39024390244
Step-by-step explanation:
21x-3+20x+3=180
group up like terms
41x+0=180
41x=180
/41 /41
x=4.39024390244
simplify if needed
fraction form: 180/41
Please answer the question! I really really need help!
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( Also can someone talk to me...I am bo*red )
x²+2x, is a quadratic polynomial with a constant coefficient of 0
For the expression 2x²-5x+3, this is a quadratic polynomial with a constant coefficient of 3.
For the expression 6x, this is a linear polynomial with a constant coefficient of 0
Polynomial functionPolynomial functions are function that has a leading degree of 3. For instance, given the expression;
ax²+bx+c
This is a quadratic polynomial with a constant coefficient of c. For the expression 3x²+2x, this is a quadratic polynomial with a constant coefficient of 0
For the expression 2x²-5x+3, this is a quadratic polynomial with a constant coefficient of 3.
For the expression 6x, this is a linear polynomial with a constant coefficient of 0
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1.) Name two pairs of adjacent angles
Answer:
DE, BA
Step-by-step explanation:
These two pair of angles meet at the point G, they touch, therefore adjacent.
Solve x2 – 18 = 3x by using the Quadratic Formula.
Answer:
(x+3)(x-6)
Step-by-step explanation:
use photomath
Trina deposited $8,060 in a savings account 6 years ago. The simple interest rate on the account is 2%. What is the amount of interest that Trina earned at the end of 6 years? Answer value
Answer:I = PRT
PRT = I
R = I/PT
R = 3224/(8060)(5)
R= 8%
Step-by-step explanation:
this maybe the answer sorry if it isn’t
Answer:
967.2 is the total interest earned
Step-by-step explanation:
First determine what the interest rate is for each year
8060 x .02 = 161.2
Since it is simple interest the interest wont build on the additional amount so then find out how much total you'd make from interest
161.2 x 6 = 967.2