To calculate Keith's equivalent rate with simple compounding, we need to use the following formula:
r = (e^(i/n) - 1) * n
where r is the equivalent rate with simple compounding, i is the interest rate with continuous compounding, and n is the number of compounding periods per year.
In this case, we are given that i = 8.27% and we can assume that the number of compounding periods per year is 12, since many loans are compounded monthly. Plugging these values into the formula, we get:
r = (e^(0.0827/12) - 1) * 12
= (1.0082 - 1) * 12
= 0.0082 * 12
= 0.0984 or 9.84%
Therefore, Keith's equivalent rate with simple compounding is [B] 0.0998 or 9.98%.
-1/2p - 4< 3
Please try to graph on number line
We can begin by rewriting the problem:
3/4 - 1/2p > 5/4
Let’s solve accordingly through steps:
1. Subtract 3/4
-1/2p > 2/4
2. Divide both sides by the coefficient
-1/2 / -1/2 = p
2/4 / -1/2 = -1
3. Simplify & Switch Signs
p < -1
The answer to Part A is p < -1.
Part B: On a number line, this answer would be graphed by plotting a point at -1 and drawing an arrow that goes to the left direction to show that p is less than -1.
Asher is 12 years old and this season. They joined a traveling baseball team for players 17 years old and under. Asher hit 13 doubles this year.
If Asher plays each of the remaining seasons before being too old, what is the average number of doubles Asher needs to hit in order to match the league record of 73 career doubles?
___ doubles (per season)
Answer:
3
Step-by-step explanation:
His total doubles 73 and he already has 13 doubles. So, 73-13 = 60.He needs 60 doubles. His current age is 12. So, 17-12 = 5 yrs. 1 yr has 4 season. For 5 yrs 20 season. 60/20 = 3. Hence 3 doubles/season
by sethus1981.
The question is below, please answer. This is in a hurry!
Answer:
A)
Step-by-step explanation :
This question isn't too hard, but you would have to use similar triangles.
If the simple interest on 4000$ for 6 years is 1440$ then, what is the interest rate?
The rate of interest for the given data can be found as 6%.
What is simple interest?Simple interest can be defined as a form of interest in which the percent rate is applied on the same principal for a given period of time. The amount can be calculated by adding the interest to the principal.
The given data as per the question is as below,
P = $4000, t = 6 years and Interest = $1440.
Suppose the rate of interest be r% per annum.
Substitute all the values in the expression for simple interest (P × r × t)/100 as follows,
1440 = (4000 × 6 × r)/100
⇒ r = 6%
Hence, the rate of interest is obtained as 6%.
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m and p are in direct proportion.
The equation of proportionality is m = 8p.
If p increases from 3 to 7, how much will m increase by?
If your answer is a decimal, give it to 1 d.p.
M will increase from 24 to 56
What is meant by direct proportion ?The relationship between two values where their ratio equals a constant number is known as a direct proportion or direct variation. It is symbolised by the proportional sign ().
According to the direct proportion formula, if y is directly proportional to x, we can state that y = kx, where k is a constant. Y = kx also serves as the direct proportion equation's general form.
When one quantity increases or declines, the other quantity also rises or falls in direct proportion. On the other hand, in indirect or inverse proportion, if one quantity rises, the other one falls, and vice versa.
m= 8p
When p = 3
m =3 × 8 =24
When p = 47
m=8× 7 = 56
So M will increase from 24 to 56
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Find the gradient vector field of f and sketch it:
f(x,y)= √(x2+y2)
The gradient vector field of f is ∇(f) = (xi+yj)/√(x^2+y^2) ans sketch is given below.
In the given question, we have to find the gradient vector field of f and sketch it.
f(x,y)= √(x^2+y^2)
To find the gradient, it's just the partial derivatives for x and y
∇(f) = ∂f/∂x i + ∂f/∂y j
In this case, we have
∂f/∂x = x/√(x^2+y^2) and ∂f/∂y = y/√(x^2+y^2). So
∇(f) = x/√(x^2+y^2) i + x/√(x^2+y^2) j
We can write it as
∇(f) = (xi+yj)/√(x^2+y^2).
This is a unitary vector field everywhere, with the exception of the origin, where it is undefined, where we can see it as the vector xi+yj divided by the magnitude √(x^2+y^2). From the starting point, the direction is outward.
The sketch is given below:
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solve by graphing. please show work
The graph is a parabola with its touching the x-axis at (3,0)
What is a parabola?A parabola is a curve where any point is at an equal distance from:
a fixed point (the focus ), and
a fixed straight line (the directrix )
its general equation is y = a(x – h)² + k or x = a(y – k)² +h. Here (h, k) denotes the vertex. y = a(x – h)2 + k is the regular form. x = a(y – k)2 +h is the sidewise form.
Given here (x-3)² + 4 = -4/9(x(x-6))
simplifying this we get
9(x²-6x+13) = -4 (x(x-6))
13x²-78x+117 = 0
(x-3)² = 0
thus it has a root at x=3
The graph is attached showing the parabola touching the x-axis at (3,0)
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Find the equation of the straight line that has a slope of 4 and passes through the point (-1, -6)
Answer:
y = 4x - 2
Step-by-step explanation:
y = 4x + b
-6 = 4(-1) + b
-6 = -4 + b
b = -2
y = 4x - 2
Answer:
[tex]y - (-6) = 4(x - (-1))[/tex] or [tex]y = 4x - 2[/tex]
Step-by-step explanation:
We can use point slope form: [tex]y - y_{1} = m(x - x_{1})[/tex], where [tex](x_1, y_1)[/tex] is a point on the line and [tex]m[/tex] is the slope.
We plug in (-1, -6) and 4 to get: which simplifies to [tex]y + 6 = 4(x + 1)[/tex]
If we want to express this in the form y = mx + b, we have to do a little rearranging. [tex]y + 6 = 4(x + 1)[/tex] becomes [tex]y + 6 = 4x + 4[/tex] and then we subtract 6 from both sides to get: [tex]y = 4x - 2[/tex]
The system of equations is graphed on the
coordinate plane.
y=-1/2x-1
y=1/4x-4
Enter the coordinates of the solution to the system of
equations in the boxes.
Answer:
[tex](4,-3)[/tex]
Step-by-step explanation:
The solution is where the graphs intersect.
The figure shows two vectors T⃗ and U⃗ separated by an angle θTU.You are given that T⃗ =(3,1,0), U⃗ =(2,4,0), and T⃗ ×U⃗ =V⃗ .1) Express V⃗ as an ordered triplet of values, separated by commas.2) Find the magnitude of V3) Find the sine of the angle between T⃗ and U⃗ .
The [tex]\vec{v}[/tex] as an ordered triplet of values, separated by commas is ( 0 , 0 , 10 )
The magnitude of V is 10 units.
The sine of the angle between [tex]\vec{T}[/tex] and [tex]\vec{U}[/tex] is [tex]45^{\circ}[/tex].
As per the given data the value of [tex]\vec{T}[/tex] is ( 3, 1, 0 ) and [tex]\vec{U}[/tex] is ( 2, 4, 0 )
Firstly we have to determine the value of [tex]\vec{v}[/tex].
The value of [tex]\vec{v}[/tex] is given by [tex]\vec T \times \vec U[/tex]
[tex]& v=\left|\begin{array}{lll}\hat{i} & j & \hat{k} \\3 & 1 & 0\\2 & 4 & 0\end{array}\right|[/tex]
[tex]=\hat{k}(12-2)[/tex]
[tex]=10 \hat{k}[/tex]
Therefore [tex]\vec{v}[/tex] = ( 0 , 0 , 10 )
Now we have to determine the value of magnitude of V.
Magnitude of V is represented by [tex]$|\vec{v}|[/tex]
[tex]$|\vec{v}|=\sqrt{100}[/tex]
[tex]$|\vec{v}|[/tex] = 10 units
Therefore the magnitude of V is 10 units.
Now we have to determine the value of sine of the angle between [tex]\vec{T}[/tex] and [tex]\vec{U}[/tex].
[tex]|\vec{v}|=|\tilde{T}||\tilde{U}| \sin \theta_{T U}[/tex]
[tex]\Rightarrow \theta_{T U}=\sin ^{-1}\left(\frac{|\vec{v}|}{|\vec{T}| |\vec{U}|}\right)[/tex]
[tex]=\sin ^{-1}\left(\frac{10}{\sqrt{200}}\right)[/tex]
[tex]=45^{\circ}[/tex]
Therefore value of sine of the angle between [tex]\vec{T}[/tex] and [tex]\vec{U}[/tex] is [tex]45^{\circ}[/tex]
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Michael’s class grew plants as part of the experiment. Michael’s plant grew 1/12 inch in the first week, 3/12 of an inch in the second week, and 5/12 of an inch in the third week. How much did Michael’s plant grow in those three weeks?
Answer:
{ No SIMPLIFIED: [tex]\frac{9}{12} inches[/tex] }
{ SIMPLIFIED: [tex]\frac{3}{4} inches[/tex] }
Step-by-step explanation:
If we want to know about the plant grows, we need to add the fractions in 3 weeks with this solution:
[ The inch of the plant 1st week ] + [ The inch of the plant 2nd week ] + [ The inch of the plant 3rd week ] = [ The inch of the plant in 3 weeks ]
Look at the denominator of 3 weeks, it is 12 and the numerators are 1,3,5
To plus the fraction we remain the denominator and plus the numerators together which we can result in this equation:
[tex]\frac{1}{12}[/tex] + [tex]\frac{3}{12}[/tex] + [tex]\frac{5}{12}[/tex] = [tex]\frac{1 + 3 + 5}{12}[/tex] = [tex]\frac{9}{12}[/tex] { SIMPLIFIED: [tex]\frac{9 : 3 }{12 : 3} = \frac{3}{4}[/tex] }
So then we see that if you choose no simplified then: Michael's plant grow [tex]\frac{9}{12}[/tex] inches in 3 weeks or you could choose the simpliflied one then: Michael's plant grow [tex]\frac{3}{4}[/tex] inches in 3 weeks.
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11. Simplify the expression.
2x - 5(3x-4)
Answer:
Your answer is -13x + 20
Step-by-step explanation:
2x - 5*(3x - 4)
Discribute the -5.
2x + [ (-5)(3x) + (-5)(-4) ]
2x + [ (-15x +20) ]
2x - 15x + 20
- 13x + 20
how would you change the test procedure of part (b) to obtain a test with significance level .05? what impact would this change have on the error probability of part (c)?
the impact on the error probability of part is on Decreasing trends of the test procedure
A Type II error is when we fail to reject a false null hypothesis. Higher values of α make it easier to reject the null hypothesis, so choosing higher values for α can reduce the probability of a Type II error.
The consequence here is that if the null hypothesis is true, increasing α makes it more likely that we commit a Type I error (rejecting a true null hypothesis).
So using lower values of α can increase the probability of a Type II error.
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What is the gradient of the
line that passes through the
points (0,0) and (3, 12)?
m=
Submit Answer
Answer:
4
Step-by-step explanation:
gradient = slope = m = rise / run
from the origin (0,0) this line rises '12' and has a run of '3'
12/3 = 4
Fred works for $11.25 per hour. His regular hours are 40 hours per week and he gets time and a half for overtime. One week he works 48.5 hours. He wants to calculate his pay. Complete the table.
rate: $11.25, regular hours:--------------, overtime: N/A, total: $----------
rate: $--------, regular hours: N/A, overtime: ---------, total: $----------
gross: $----------
Fred's pay for the specified week, with a rate of $11.25 for regular hours and time and a half for overtime, and number of hours worked of 48.5 hours is presented by completing the attached table as follows;
Rate: $11.25, regular hours: 40, overtime: N/A, total: $450
Rate: $16.875, regular hours: N/A, overtime: 8.5, total: $143.4375
Gross: $593.4375
What is a payment rate?A payment rate is the amount of payment or money that is received in a unit of time.
The amount Fred earns per hour = $11.25
The number of regular hours Fred works per week = 40
The rate at which he is paid for overtime = Time and a half
The number of hours Fred works in the specified week = 48.5 hours
Therefore, the amount Fred earns for working overtime = 1.5 × $11.25 = $16.875
The amount Fred earns for regular hours during the specified week = 40 × $11.25 = $450
The number of overtime hours Fred works for during the week = 48.5 - 40 = 8.5
The amount Fred earns for the overtime work = 8.5 × $16.875 = $143.4375
Fred's gross payment for the week is therefore; $450 + $143.4375 = $593.4375
The table can therefore be completed by plugging in the above values as follows;
Rate: $11.25, regular hours: 40, overtime: N/A, total: $450
Rate: $16.875, regular hours: N/A, overtime: 8.5, total: $143.4375
Gross: $593.4375
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Which of the following statements is true about similar triangles? *
A. The measurements of corresponding angles differ between the two triangles.
B. Their corresponding angles are congruent, and the corresponding sides are proportional.
C. If two triangles are similar, both their corresponding sides and angles are always congruent.
Two triangles are similar when their corresponding angles are congruent, and the corresponding sides are proportional. Hence, option C s the most appropriate answer to the given question.
When we are given triangles, we can prove that two triangles are similar to the given conditions by applying various tests of similarity.
Similar triangles are triangles that have the same shape, but they may have different sizes.
Hence, to prove them to be similar, we have to prove the corresponding angles are congruent and the corresponding sides are proportional. Hence, option C is the only right choice for the given question.
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Плиз сделайте даю 20 баллов
Answer:
sorry I don't know now how to read
suppose a 90% confidence interval for the population mean resulted in an upper limit of $658 and a lower limit of $273. what is the correct interpretation of this confidence interval?
This confidence interval suggests that we are 90% confident that the population mean lies between $273 and $658.
This confidence interval provides us with an estimate of the population mean with 90% confidence. This confidence interval suggests that we are 90% confident that the population mean lies between $273 and In other words, we can be 90% sure that the population mean falls within this range. This confidence interval does not tell us the actual population mean, but it provides us with an estimate of where the population mean is likely to lie. Furthermore, it also provides us with an indication of the degree of uncertainty associated with our estimate.
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Add 8x-9y+2z , -6x +7y-5z
Answer:
2x-2y-3z
Step-by-step explanation:
8x+-6x
=8x-6x
=2x
-9y+7y
=-2y
2z+-5z
= 2z-5z
=-3z
2x-2y-3z
8x - 9y + 2z
-6x + 7y - 5z
On adding these two equation :
8x + ( -6x) = 2x
-9y + 7y = -2y
2z + (-5z) = -3z
we will get :
2x - 2y -3z
.
In the addition/subtraction method, the two equations in the system are added or subtracted to create a new equation with only one variable. In order for the new equation to have only one variable, the other variable must cancel out. In other words, we must first perform operations on each equation until one term has an equal and opposite coefficient as the corresponding term in the other equation.
.
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in the scientific method, which of the following is true about a hypothesis? group of answer choices the same hypothesis may not be tested more than once. research studies are designed to prove a hypothesis. a specific hypothesis is generated based on an established theory. a hypothesis both explains and predicts a phenomenon.
For the scientific method , the true statement about the hypothesis is (b) research studies are designed to prove a hypothesis.
The term Hypothesis is defined as the observation which is proposed as the possible outcome or results of an experiment .
we know that ; in order to prove a hypothesis, the experiments are designed and after that they are performed based on given hypothesis.
That is how the experiments are designed based on a previous idea which may result in a particular outcome.
So , any hypothesis is dependent on a specific experiment( research studies) .
Therefore , the correct option is (b) .
The given question is incomplete , the complete question is
In the scientific method, which of the following is true about a hypothesis?
(a) the same hypothesis may not be tested more than once.
(b) research studies are designed to prove a hypothesis.
(c) a specific hypothesis is generated based on an established theory.
(d) a hypothesis both explains and predicts a phenomenon.
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determine if the line integral of the vector field sketched in the figure along the curve c is positive, negative, or zero.
The line integral of the vector field in the figure is zero. This is due to the fact that the vector field is perpendicular to the curve c, and therefore, the integral of the dot product of the vector field and the tangent vector along the curve c is zero.
1. The line integral of a vector field is the integral of the dot product of the vector field and the tangent vector of the curve along the curve.
2. The vector field in the figure is perpendicular to the curve c.
3. The dot product of two perpendicular vectors is zero.
4. Therefore, the integral of the dot product of the vector field and the tangent vector along the curve c is zero.
5. Hence, the line integral of the vector field in the figure is zero.
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A, B & C form the vertices of a triangle, where
∠CAB = 90°.
AB = 10.2 m and AC = 4.9m. Evaluate
∠ ACB, giving your answer rounded to 3 SF.
Answer:
Step-by-step explanation: To find the measure of angle ACB, we can use the Pythagorean Theorem: AB^2 + AC^2 = BC^2.
Substituting in the given values for AB and AC, we get: 10.2^2 + 4.9^2 = BC^2
Solving for BC, we get: BC = √(10.2^2 + 4.9^2)
Substituting this value back into the equation for the Pythagorean Theorem, we get:
AB^2 + AC^2 = (√(10.2^2 + 4.9^2))^2
Simplifying this equation, we get:
AB^2 + AC^2 = 10.2^2 + 4.9^2
This equation is already in the correct form, so we can solve for ∠ACB directly:
∠ACB = tan^-1(AC/AB)
Substituting in the given values for AC and AB, we get:
∠ACB = tan^-1(4.9/10.2)
Using a calculator, we find that tan^-1(4.9/10.2) is approximately equal to 26.7°.
Rounded to 3 significant figures, this value is 26.7°.
Kenji and Ramon are running cro country. Kenji run at a rate of 150 meter per minute
Kenji and Ramon are at a distance of 750 m after a time interval of 1 hour from each other.
Kenji runs for a total time of 60 minutes + 15 minutes = 75 minutes.
Ramon runs for a total of 60 minutes.
Now, we find the total distance covered by Kenji and Ramon in the time intervals of 75 minutes and 60 minutes respectively.
Kenji runs a total distance of 150 meters/minute * 75 minutes = 11250 meters.
Ramon runs a total distance of 200 meters/minute * 60 minutes = 12000 meters.
Now, we find the difference in their distances.
The distance between Kenji and Ramon is 12000 meters - 11250 meters = 750 meters.
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Complete Question:
Kenji and Ramon are running cross country. Kenji run at a rate of 150 meter per minute and Ramon runs at a rate of 200 meters per minute. If Kenji starts 15 minutes before Ramon, how far apart are they after one hour?
Help and explain to me how pls and thank you
The two sequence A and sequence B both are correct.
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
Given that triangle UVW and Triangle ABC are congruent.
A transformation is a way of changing the size or position of a shape.
Every point in the image is the same distance from the mirror line as the original shape.
Triangle UVW made a 180 degrees of rotation about point V and then a triangle along the directed line segment VB.
This is same as translation along the directed line segment UA then about 180 degrees rotation about point A.
Hence, the two sequence A and sequence B both are correct.
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4. Shoan takes 5 hours to complete 4 assignments. Find the
time taken to complete 3 assignments.
Answer:
3.75 Hours or 225 Minutes
Step-by-step explanation:
5/4 = 1.25 So it takes 1.25 hours to do an assignment
1.25 x 3 = 3.75
Which equals 225 Minutes
Answer: 3.75 or 3 3/4
Step-by-step explanation:
This is a unit rate problem
A unit rate is a rate for one of something. (i.e, 1 pencil for 4 notebooks)
So first, to find the time needed for one assignment, we divided 5 hours by 4 hours.
5/4 = 1.25 (1 and 1/4)
Now we multiply the unit rate by 3.
1.25 times 3 = 3.75, or 3 3/4.
Factor X^3-2x^2-8x???
Answer:
x( x-4)(x+2)
Step-by-step explanation:
x^3-2x^2-8x
First factor out the greatest common factor x
x( x^2 -2x -8)
What 2 numbers multiply to -8 and add to -2
-4*2 = -8
-4+2 = -2
x( x-4)(x+2)
Which function models the data in the table below?
y = -1/2x + 5
y = -2x + 5
y = -1/2x + 10
y = -2x + 10
The function that models the data in the given table is: D. y = -2x + 10.
How to Write the Function that Models the Data in a Table?The function that models the data of a table can be expressed in the slope-intercept form as y = mx + b, where:
the slope = m = change in y / change in x.y-intercept = b.Find the slope of the function using two pairs of values from the table, (6, -2) and (10, -10):
Slope (m) = change in y / change in x = (-10 - (-2)) / (10 - 6)
Slope (m) = -8 / 4
Slope (m) = -2
Find the y-intercept (b) by substituting m = -2 and (x, y) = (6, -2) into y = mx + b:
-2 = -2(6) + b
-2 = -12 + b
-2 + 12 = b
10 = b
b = 10
To write the function, substitute m = -2 and b = 10 into y = mx + b:
y = -2x + 10
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calculate the double integral. 3x sin(x + y) da, r = 0, π 6 × 0, π 3 r
The value of the double integral ∫∫3x sin(x + y) dA, R = [0, π/6] × [0, π/3] is 0.677
In this question we need to calculate the double integral. 3x sin(x + y) dA, R = [0, π/6] × [0, π/3]
i.e., to find ∫∫3x sin(x + y) dA, R = [0, π/6] × [0, π/3]
First we integrate the function 3x sin(x+y) as a function of y, treating the variable x as a constant.
G(x) = ∫_[0, π/6] (3x sin(x+y)) dy
G(x) = 0.402 xcos(x) + (3x sin(x) / 2)
Now we calculate the integral of the previous result as a function of x.
i.e., ∫_[0, π/3] G(x) dx
= ∫_[0, π/3] [0.402 xcos(x) + (3x sin(x) / 2)] dx
= 0.677
Therefore, the solution to the double integral. 3x sin(x + y) da, r = [0, π/6] × [0, π/3] is 0.677
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ZA and ZB are vertical angles. If mA = (5x + 5)° and mZB = (6x − 8),
then find the value of x.
Answer:
x = 13
Step-by-step explanation:
vertical angles are congruent , then
∠ B = ∠ A , that is
6x - 8 = 5x + 5 ( subtract 5x from both sides )
x - 8 = 5 ( add 8 to both sides )
x = 13
where s is weekly sales in dollars and t is the number of weeks since the end of the campaign. (a) find the rate of change of s (that is, the rate of sales decay).
The rate of change of S for the weekly sales is :
-250 000e⁻°·⁵t
Given:
the sales of the product is :
S = 500,000e^-0.5t
where S is the weekly sales in the dollars and t is the number of weeks since end of the campaign.
we are asked to find the rate of sales dS/dt = ?
that is the rate of sales of delay.
Given:
S = 500,000e^-0.5t
dS/dt =(500,000)e^-0.5t + 500,00 (e^-0.5t)
= 0 + 500,00 (e^-0.5t)
= - 250 000 e^0.5t
therefore, dS/dt = - 250 000 e^0.5t
Hence we get the required answer.
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