Answer:
2x+10
Step-by-step explanation:
whatever your number is (x) you would multiply by 2 then add that to 10
Two identical point charges of q = +1.75 x 10
−
8
C are separated by a distance of 0.30 m. How much work is done by the electric field force to move them away from each other so that they are 1.05 m apart?
The electric field force does 1.90 x 10⁻⁸ J of work to move the two point charges from 0.30 m to 1.05 m apart.
What do you mean by electric field?The electric field is a vector field that represents the force experienced by a charged particle due to an electric charge distribution. It is a measure of the electric force per unit charge at a particular point in space. The electric field is defined as the negative gradient of the electric potential, which is the energy per unit charge that a charged particle would have at that point in space. The electric field can be used to calculate the force experienced by a charged particle in the presence of other charges, and is a fundamental concept in the study of electromagnetism.
The electric field force between two point charges is given by Coulomb's law:
F = k * (q₁ * q₂) / r²
where k is the Coulomb constant (8.99 x 10⁹ N m²/C²), q₁ and q₂ are the magnitudes of the charges, and r is the distance between the charges.
To calculate the work done by the electric field force, we need to find the force at the initial distance (0.30 m) and the final distance (1.05 m), and then subtract the work done at the initial distance from the work done at the final distance.
At a distance of 0.30 m, the force is:
F = k * (1.75 x 10⁻⁸ C)² / (0.30 m)² = 4.02 x 10⁻⁸ N
The work done at this distance is:
W = F * 0.30 m = 1.21 x 10⁻⁷ J
At a distance of 1.05 m, the force is:
F = k * (1.75 x 10⁻⁸ C)² / (1.05 m)² = 1.33 x 10⁻⁸ N
The work done at this distance is:
W = F * 1.05 m = 1.40 x 10⁻⁷ J
Finally, to find the total work done, we subtract the work done at the initial distance from the work done at the final distance:
W total = W final - W initial = 1.40 x 10⁻⁷ J - 1.21 x 10⁻⁷ J = 1.90 x 10⁻⁸ J.
Therefore, the electric field force does 1.90 x 10⁻⁸ J of work to move the two point charges from 0.30 m to 1.05 m apart.
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9. A periodic deposit is made into an annuity with the given terms. Find how much the annuity will hold at the end of the specified amount of time. Round your answer to the nearest dollar. Regular deposit: $1100 Interest rate: 3.7% Frequency daily Time: 23 years Future value: $
Financial Maths
A sequence of equal payments (or deposits) at equal periods of time is called an annuity.
The future value of an annuity can be calculated with the formula:
\(FV=A\cdot\frac{(1+i)^{n\cdot t}-1}{i}\)Where:
FV is the future value of the annuity
A is the periodic deposits
n is the number of compounding periods per year
i is the interest rate adjusted to the compounding periods. i = r/n where r is the APR.
t is the duration of the investment in years
The financial variables for this investment are:
A = $1100
r = 3.7% = 0.037
n = 360. Daily compounding
i = 0.037/360 = 0.000102777
It's crucial to keep as many decimals as possible in the calculations.
Applying the formula:
\(FV=1100\cdot\frac{(1+0.000102777)^{360\cdot23}-1}{0.000102777}\)Calculating:
\(FV=1100\cdot\frac{(1.000102777)^{8280}-1}{0.000102777}\)\(FV=1100\cdot13056.18\)FV = $14,361,798.98
Calculation steps (in strict order)
* Add 1 + 0.00010277 = 1.00010277
* Multiply 360*23 = 8280
* Raise 1.00010277^8280 = 2.341885
* Subtract 1 = 1.341885
* Divide by 0.00010277 = 1.341885/0.00010277=13056.18
* Multiply by 1100: $14,361,798.98
Rounded to the nearest cent
Ashley types at a rate of 15 words per minute.
How many words does she type in 5 minutes?
Which table or graph shows the value of y going down as the value of x goes
up?
Answer:
A
Step-by-step explanation:
That's your answer...
dang u fail gonna fail i feel baaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaad.......
just look at the one that has the letter x going up it is c or d
answer this please thanks
Answer:
4. c
6. e, a
Step-by-step explanation:
Hopefully, it correct
A university dean is interested in determining the proportion of students who receive some sort of financial aid: Rather than examine the records for all students the dean randomly selects 200 students and finds that 118 of them are receiving financial aid. Use 95% confidence interval to estimate the true proportion of students on financial aid: (Type your answers in using PARENTHESES in the CORRECT ORDER and use comma to separate your answers as necessary_ Round to the nearest thousandth)
The 95% confidence interval to estimate the proportion of students on financial aid = (0.522, 0.658)
In this question we have been given a university dean is interested in determining the proportion of students who receive some sort of financial aid.
Let p be the population proportion of students who receive some financial aid.
The dean randomly selects 200 students and finds that 118 of them are receiving financial aid.
i.e. n= 200
p{hat} = 118/200 = 0.59
We know that the critical value for 95% confidence interval : z = 1.96
The standard deviation would be,
σ = √[p{hat}(1 - p{hat})/N]
σ = √0.59(1 - 0.59)/200
σ = √(0.0012095)
σ = 0.0348
The 95% confidence interval for population proportion would be,
(0.59 ± (1.96 * 0.0348))
= (0.59 - (1.96 * 0.0348), 0.59 + (1.96 * 0.0348))
= (0.5218, 0.6582)
Therefore, the 95% confidence interval : (0.522, 0.658)
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Plot and connect the points A (-4, -3), B (4, -3), C (4, -7), D (-4, -7), and find the length of AB.
A.
7 units
B.
10 units
C.
6 units
D.
8 units
hurry and ill put 5 stars for you
The length of AB is AB = 8 units.
What is distance between two points?
The length of a straight line in the coordinate plane that connects two points in space is what is referred to as their distance. We use the absolute value to calculate the distance between any two points because it is impossible for this distance to be negative.
Consider, the given points A (-4, -3), B (4, -3), C (4, -7), D (-4, -7).
We have to find the length of AB.
Consider, the distance formula,
\(d = \sqrt{(x_2-x_1)^2 +(y_2-y_1)^2}\)
where,
\((x_1, y_1)\) and \((x_2, y_2)\) are the points.
Here,
\((x_1, x_2) = (-4, -3)\\(x_2, y_2) = (4, -3)\)
Plug these values in the above formula,
\(d = \sqrt{(4-(-4))^2+(-3-(-3))^2} \\d = \sqrt{8^2 +0^2} \\d = \sqrt{8^2} \\d = 8\)
Hence, the length of AB is AB = 8 units.
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What is the outlier point? Please express your answer as (x,y).
The outlier of the graph is
(5, 1)What is outlier?An outlier is an isolated data point that significantly differs from the entirety of the points within a dataset. It is an observation that resides an exceptional distance away compared to other values in a random sample from a population.
Outliers can be identified employing various statistical techniques, like graphical methods (for instance, box plots, scatterplots) and numerical procedures (e.g., Z-score, IQR method).
The problem used a scatter plot plot to show that the outlier is (5, 1)
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What is x-²y (x³y5)³ in simplest form for all values of x and y where the expression is defined?
Move the correct answer to each box. Each answer may be used more than once. Not all answers will be used
-18-12 4
X
7
8
9 15 16
Step-by-step explanation:
To simplify the expression x^-2y(x^3y^5)^3, we need to perform the operations inside the parentheses first, using the exponent rule that (a^m)^n = a^(mn):
x^-2y(x^3y^5)^3 = x^-2y(x^(33)y^(53)) = x^-2y(x^9y^15)
Next, we can simplify the expression by multiplying the coefficients (numbers) and adding the exponents of x and y, using the product rule that x^mx^n = x^(m+n) and (xy)^m = x^my^m:
x^-2y(x^9y^15) = (1y/x^2)(x^9*y^15) = y^(15+1)x^(9-2) = y^16x^7
Therefore, the simplified form of x^-2y(x^3y^5)^3 is y^16*x^7.
Note that this expression is defined for all values of x and y except for x=0.
Which function has a constant rate of change equal to -3?
The given function with a constant rate of change that equals -3 is: 2y = -6x + 10.
What is Constant Rate of Change?The constant rate of change of a function = change in y / change in x. Given an equation of a function in slope-intercept form, y = mx + b, the constant rate of change is represented as m.
1. Constant rate of change of the function on the table using two pairs of values, (0, 2) and (1, 5) is:
(5 - 2)/(1 - 0) = 3/1
Constant rate of change = 3.
2. Constant rate of change of the function of the set of ordered pairs using two pairs of values, (4, 4) and (2, 2) is:
(4 - 2)/(4 - 2) = 2/2
Constant rate of change = 1.
3. Constant rate of change of the graphed function using two points on the line, (1, 1) and (0, 3) is:
(3 - 1)/(0 - 1) = 2/-1
Constant rate of change = -2.
4. Constant rate of change of the function 2y = -6x + 10:
Rewrite the equation in slope-intercept form
2y/2 = -6x/2 + 10/2
y = -3x + 5
Constant rate of change = -3.
Therefore, the function with a constant rate of change is: 4. 2y = -6x + 10
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What is it called when two numbers have a product of one
Answer: Reciprocals
Explanation isn't really needed but reciprocals are basically
Example:
3/4's reciprocal is 4/3 and multiplying 3/4 x 4/3 = 1
A gum ball machine has 22 red 18 white 10 blue and 23 green. What chances of pulling out a red
Step-by-step explanation:
Total gum balls = 22 + 18 + 10 + 23 = 73
Probability of red gum = 22/73
It is now 8:59 a.m. when the bell rings at 9:01 am. Damian will be late for science class for the 3rd time this week. He must get from one side of the school to the other by hurrying down 3 different hallways. He runs down the first hallway, a distance of 35.0 at a speed of 3.5 m/s. The second hallway is crowded with students and he covers its 4.80 m length at a speed of 1.20 m/s. The final hallway is empty and Damian covers its 60.0 m length at a speed of 5.00 m/s.
How long does it take him to cover the 1rst hallway? The second one? The third one?
Answer:
7 pi square 9.8
Step-by-step explanation:
Arrange the steps in order to simplify the expression
Answer:
Step-by-step explanation:
For step explanation:
1. write the problem
2. distinguishing the neg sign
3. distributing 3
4. moving like terms next to each other through commutative property
5. Combining like terms
6. getting rid of parentheses
help and i'll give you brainliest
Answer:
139°
Step-by-step explanation:
They would both be 139
If abf is 300 what is ad
To factor 4x^2-25, you can first rewrite the expression as:
a. (2x-5)^2
b. (2x)^2-(5)^2
c. (x)^2-(2)^2
d. None of the above
To factor the expression 4x^2 - 25, we can use the difference of squares formula, which states that a^2 - b^2 can be factored as (a + b)(a - b).
In this case, we have 4x^2 - 25, which can be written as (2x)^2 - 5^2. Comparing it with the difference of squares formula, we can identify that a = 2x and b = 5. Therefore, the correct option is:
b. (2x)^2 - (5)^2
Using the difference of squares formula, we can factor it as follows:
(2x + 5)(2x - 5)
Hence, the correct factorization of 4x^2 - 25 is (2x + 5)(2x - 5), which is equivalent to option b.
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Please please please help me
I really need to pass this I will give brainliest and a lot of points please just help me solve this correctly
The length of side AB is about 5.87 units.
How to find the side of a right triangle?The triangle ABC is a right angle triangle. A right angle triangle is a triangle that has one of its angles as 90 degrees.
Therefore, let's find the length AB in the right triangle.
Using trigonometric ratios,
cos 33 = adjacent / hypotenuse
Therefore,
Adjacent side = AB
hypotenuse side = 7 units
cos 33° = AB / 7
cross multiply
AB = 7 cos 33
AB = 7 × 0.83867056794
AB = 5.87069397562
AB = 5.87 units
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g(t)=−(t−1)
2
+5g, left parenthesis, t, right parenthesis, equals, minus, left parenthesis, t, minus, 1, right parenthesis, squared, plus, 5
What is the average rate of change of
�
gg over the interval
−
4
≤
�
≤
5
−4≤t≤5minus, 4, is less than or equal to, t, is less than or equal to, 5?
The average rate of change over is 1.
Given that;
the function is,
⇒ g (t) = - (t - 1)² + 5
Hence, We need to determine the average rate of change over the interval - 4 ≤ t ≤ 5.
The value of G(-4):
The value of G(-4) can be determined by substituting t = -4 in the function
⇒ g (t) = - (t - 1)² + 5
Thus, we have,
⇒ g (t) = - (-4 - 1)² + 5
⇒ g (t) = - 20
Thus, the value of G(-4) = -20
The value of G(5):
The value of G(5) can be determined by substituting t = 5 in the function , we get,
⇒ g (t) = - (t - 1)² + 5
⇒ g (t) = - (5 - 1)² + 5
⇒ g (t) = - 11
Thus, the value of G(5) is, -11
Now, Average rate of change:
The average rate of change can be determined using the formula,
⇒ G(b) - G (a) / (b - a)
where, a = - 4 and b = 5
Substituting the values, we get,
⇒ G(5) - G (-4) / (5 - (-4))
⇒ ( - 11 - (- 20)) / 9
⇒ 9/9
⇒ 1
Thus, the average rate of change over the interval is. 1.
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find the area of the trapezoid in square inches.
Answer:
Hello! answer: 64
Step-by-step explanation:
I split this into a triangle and rectangle and did the appropriate formulas for each for square I did base × height and got 48 because 8 × 6 = 48 then for the triangle I did base × height ÷ 2 So I did 8 × 4 = 32 32 ÷ 2 = 16 now I just add these two numbers up! so... 48 + 16 = 64 HOPE THAT HELPS!
Answer:
A = 64 in²
Step-by-step explanation:
Step 1: Add the bases
\(10 + 6 = 16\)
Step 2: Multiply that by the height
\(16 * 8 = 128\)
Step 3: Divide the result by 2
\(\frac{128}{2} = 64\)
Therefore, the area of the trapezoid is 64 in²
Find 5(-12). Thanks I just needed help real quick
Answer:
-60 ? At least that's if you meant like
\(5 \times ( - 12) = - 60\)
Answer:
Cannot simplify As a decimal 0.41.6 Explanation: 512 does not cancel down
Step-by-step explanation:
A local grocery store receives strawberries from suppliers in Florida and California. Currently there are 18 strawberry containers on the shelf and 11 of them are from Florida. A shopper selects three containers to purchase. What is the probability that exactly one of the containers is from the Florida supplier
Using the hypergeometric distribution, it is found that there is a 0.2831 = 28.31% probability that exactly one of the containers is from the Florida supplier.
The containers are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.
Hypergeometric distribution:
\(P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}\)
\(C_{n,x} = \frac{n!}{x!(n-x)!}\)
The parameters are:
x is the number of successes. N is the size of the population. n is the size of the sample. k is the total number of desired outcomes.In this problem:
There are 18 containers, hence \(N = 18\)11 of those are in Florida, hence \(k = 11\).A sample of 3 containers is taken, hence \(n = 3\)The probability that exactly one of the containers is from the Florida supplier is P(X = 1), hence:
\(P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}\)
\(P(X = 1) = h(1,18,3,11) = \frac{C_{11,1}C_{7,2}}{C_{18,3}} = 0.2831\)
0.2831 = 28.31% probability that exactly one of the containers is from the Florida supplier.
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Philip has 250 yards of fencing and wishes to enclose a rectangular area against apre-existing fence.What equation should Philip use to help him maximize the area?
Solution
We can create the following equation:
f(x)= x(250-2x)
given f(x)=-3x^2-7x ,find f(7)
Answer:
f(7) = -196
Step-by-step explanation:
f(7) = -3(7)² - 7(7)
-147 - 49
-196
Evaluate the expression.
5^0 x 5^3.
Answer:
125
Step-by-step explanation:
Any number to the power of 0 equals 1
5^0 = 1
5^3 = 5 × 5 × 5
5 × 5 × 5 = 25 × 5 = 125
1 × 125 = 125
Answer:
125
Step-by-step explanation:
5⁰×5³
1×5³
1×125
125
Evaluate 4c + 8 when c = 2
Answer:
16
Step-by-step explanation:
4c + 8
Replace 'c' with 2 and evaluate:
4(2) + 8
8 + 8
16
Hope this helps.
Find the mean of the following numbers; 7 21 2 17 3 14 7 4 9 7 9
Answer:
9
Step-by-step explanation:
2,3,4,7,7,7,9,9,14,17,21
21,17,14,9,9,7,7,7,4,3,2
3,7,7,7,9,9,17,21
Step-by-step explanation:
mean = sum ÷ numbers
= 100 ÷ 11
= 9.09
_________________FOLLOW MESolve using tangent and cosine
The value of side length x in diagram a) is 4.3mm and side length x in diagram b) is 309.7 m.
What are the sides of the triangle labelled x?The figures in the image are right triangles.
A)
angle D = 17 degree
Adjacent to angle D = 14 mm
Opposite to angle D = x
To solve for the missing side length x, we use the trigonometric ratio.
Note that: tangent = opposite / adjacent
Hence:
tan( 17 ) = x/14
x = tan( 17 ) × 14
x = 4.3mm
B)
angle Z = 82 degree
Adjacent to angle Z = 43.1 m
Hypotenuse = x
Using trigonometric ratio,
cosine = adjacent / hypotenuse
cos( 82 ) = 43.1 / x
x = 43.1 / cos( 82 )
x = 309.7 m
Therefore, the measure of x is 309.7 meters.
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I need help
With this I will mark you if your awnser is right
Answer:
\(\boxed {\sf Equation: 60 \textdegree +4x= 180 \textdegree} \\\)
\(\boxed {\sf x=30}\)
Step-by-step explanation:
The interior angles of a triangle must add to 180 degrees.
In this triangle, the angles are A, B , and C. So,
∠A + ∠B + ∠C= 180°∠A is 60 degrees, ∠B is 3x, and ∠C is x. We can substitute the values in.
60°+3x+x=180°This is the equation we can use to find the value of x.
We also have like terms: 3x and x that can be combined.
60° + (3x+x)= 180° 60° + 4x=180°We can use the equation to solve for x. We have to isolate the variable.
60 is being added to 4x. The inverse of addition is subtraction. Subtract 60 from both sides of the equation.
60°-60°+4x=180°-60°4x= 180°-60°4x=120°x is being multiplied by 4. The inverse of multiplication is division. Divide both sides by 4.
4x/4= 120°/4x= 120°/4 x=30kindly check if it’s correct and correct those that are wrong. thank you! as well as calculations
The following information is known for the month of December:
1. Purchases of supplies for cash during December were $3,300. Supplies on hand at the end of December equal $2,900.
2. No insurance payments are made in December. Insurance expired in December is $1,400.
3. November salaries payable of $9,800 were paid to employees in December. Additional salaries for December owed at the end of
the year are $14,800.
View transaction list
4. On December 1, Golden Eagle received $2,700 from a customer for rent for the period December through February. By the end of
December, one month of rent has been provided.
Required:
For each item, (a) record any transaction during the month of December, and (b) prepare the related December 31 year-end adjusting
entry. (If no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field.)
no random answers ty!
Correction in point 1: Purchases of supplies for cash during December were $3,300. Supplies on hand at the end of December equal $2,800.
What is Journal Entry?
The act of recording any economic transactions is called a journal entry. An accounting journal lists transactions and displays a company's debit and credit balances. Each recording in the journal entry can be either a debit or a credit, and it can be made up of multiple recordings. The way an accounting transaction is entered into a company's accounting records is through an accounting journal entry.
This question is related to the account and finance subject.
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