a) James have to invest 5,248 dollar and 89 cent to earn $7,592 amount of interest in 16 years .
b) Principal amount of money , which is to be invested is 4158 dollar and 46 cent .
This is a problem from simple interest system. We have to use the given formula, I = p.r.t to solve this problem.
a) James wants to have earned $7,592 amount of interest in 16 years. So, here the time period is 16 years and the interest rate is 9.04% and we have to find the principal amount.
I = p. 16. ( 9.04% )
Amount of interest = $ 7592
Time period = 16 years
rate of interest = 9.04 %
7592 = p . 16 . ( 904/10000 )
p = 75920000/ 16 . 904
or , p = $5,248.89 ≈ $5249
James have to invest $5,248.89 to earn $7,592 amount of interest in 16 years .
b) We have to use the given formula to find the value of p or the principal amount of money .
Rate of interest = 8.63% or .0863
time period = 24 years
Interest = $8613
We can write ,
p = I / r.t
p = 8613 / 24 . ( .0863 ) = $ 4,158.458 = $ 4,158.46
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A triangle has two sides that measure 5 cm and 7 cm. Which of the following CANNOT be the measure of the third side? A 3 cm B 5 cm C 7 cm D 12cm
Answer:
D
Step-by-step explanation:
Saying the number of |`s is the number side and |<|||>|| then for a triangle i can say |+||>|||
99 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!
Two stockpots are similar cylinders. The smaller stockpot has a height of 10 inches and a radius of 2.5 inches, the volume of larger one is 628.32 cubic inches.
We know that, to find volume:
Volume = π * \(r^2\) * h
For the smaller stockpot:
Radius (r) = 2.5 inches
Height (h) = 10 inches
Volume = π * (2.5)² * 10 ≈ 196.35 cubic inches
For the larger stockpot:
Radius (r) = 2.5 inches
Height (h) = 16 inches
Volume = π * (2.5)² * 16
≈ 628.32 cubic inches
Thus, the volume of larger one is 628.32 cubic inches.
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find the values of x where the graph of the function has a point of inflection given f(x)=x^4-x^3
f(x) has a point of inflection at x = 0 and x = 1/2.To find the values of x where the graph of the function\(f(x) = x^4 - x^3\) has a point of inflection, we need to find where the second derivative of the function changes sign from positive to negative or vice versa.
The first derivative of the function is:
\(f'(x) = 4x^3 - 3x^2\)
The second derivative of the function is:
\(f''(x) = 12x^2 - 6x\)
Setting f''(x) equal to zero and solving for x gives:
\(12x^2 - 6x = 0\)
6x(2x - 1) = 0
This equation has two solutions:
x = 0, or x = 1/2
To determine whether these values of x correspond to points of inflection, we need to look at the sign of the second derivative on either side of each value.
When x < 0, f''(x) is positive because both \(12x^2\) and -6x are positive. When 0 < x < 1/2, f''(x) is negative because \(12x^2\)is positive but -6x is negative. When x > 1/2, f''(x) is positive again because both \(12x^2\) and -6x are negative.
Therefore, f(x) has a point of inflection at x = 0 and x = 1/2.
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Drag statements and reasons to each row to show why the slope of the line between rr and ss is the same as the slope between ss and tt, given that triangles aa and bb are similar.
For statement ,\(5/3=slope\\\) the reason is Definition of slope.
and for statement ,\(5/3 = 15/9\) the reason is Triangle A is similar to triangle B.
If slope of triangles is equal than Triangle A is similar to triangle B.
so, statement \(5/3 = 15/9\) when we simplify
we get
\(5/3 = 5/3\)
then the reason for this statement is "If slope of triangles are equal"
And the definition of slope in general is \(m=y/x\)
so, for the statement ,\(5/3 = slope\) the reason is Definition of slope.
The slope of a line is defined in geometry as the ratio of the change in vertical coordinate to the change in horizontal coordinate. Triangles, on the other hand, lack a slope because they are not linear. Slope is only applicable to lines or linear equations. Other properties of triangles, such as sides, angles, and heights, are used to calculate various aspects of their geometry.
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For correct form of question click on image
can someone answer real quick
Answer:− -19s
Step-by-step explanation:
Move
Two angles of a triangle measure 12 and 40. What is the third angle?
Answer:
The third angle is 128°.
Step-by-step explanation:
We need to remember that the sum of the 3 angles of a triangle is 180°, hence if we have 2 angles, the third angle is:
\( 180 = \alpha + \beta + \theta \)
\( 180 = 12 + 40 + \theta \)
\( \theta = 180 - 52 \)
\( \theta = 128 \)
Therefore, the third angle is 128°.
I hope it helps you!
Rewrite the function f(x)=-4(x+2)^2-12 in the form f(x)=a x^2+bx+c
The function f(x) = -4(x+2)² - 12 can be rewritten in the form
f(x) = -4x² - 16x - 28.
Simplifying the function:
The concept used in this problem is expanding and simplifying an algebraic expression. We are given a quadratic function in a different form, and we need to rewrite it in standard form, which is in the form of f(x) = ax² + bx + c.
This involves expanding and simplifying the squared term and combining like terms. The process of expanding and simplifying an algebraic expression is a fundamental concept in algebra.
Here we have
f(x)= -4(x+2)²- 12
To rewrite the function f(x) = -4(x+2)² - 12 in form f(x) = ax² + bx + c
Expand the squared term and simplify the expression.
The steps are as follows:
f(x) = -4(x+2)² - 12 (original function)
f(x) = -4(x² + 4x + 4) - 12 (expand the squared term)
f(x) = -4x² - 16x - 16 - 12 (distribute the -4)
f(x) = -4x² - 16x - 28 (combine like terms)
Therefore,
The function f(x) = -4(x+2)² - 12 can be rewritten in the form
f(x) = -4x² - 16x - 28.
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Hello can someone please help me. I'll give 50 points.
How many solutions will this system of equations have?
y = -3.5x - 3.5
y = -3.5x + 3.5
3) 21а⁹ - ба⁴
Factor by GCF
\( \: \: \: \: \: \: \)
\( = 3a ^{4} \times (7 {a}^{5} - 2)\)
Step-by-step explanation:
\(21 {a}^{9} - 6 {a}^{4} \)
factor out 3 a⁴ from the expression\( = 3 {a}^{4} \times (7 {a}^{5} - 2)\)
hope it helps\( \: \: \: \: \: \: \)
According to data released by FiveThirty Eight (data drawn on Monday, August 17th, 2020), Donald Trump wins an Electoral College majority in the 2020 US Presidential Election in 10,997 simulations out of a total of 40,000 simulations.
(a) I am interested in the probability that Donald Trump wins any one simulation from the Five Thirty Eight model. Write the parameter of interest. Write and calculate the estimate of your parameter using mathematical notation.
(b) Construct a 95% confidence interval for the parameter from (a), show at least 4 significant digits. I highly recommend using R, and only rounding at the end.
(c) TRUE or FALSE:
According to the FiveThirty Eight model, there is a 95% probability that the true parameter of interest from
(a) lies within your interval from (b).
(d) TRUE or FALSE:
If I were to repeat samples of 40,000 from the Five Thirty Eight model, I expect 95% of my sample statistics from (a) to lie within your interval from (b).
(e) TRUE or FALSE:
If I were to repeat samples of 40,000 from the FiveThirty Eight model, I expect 95% of samples to lead to 95% confidence intervals that cover the true parameter of interest from (a).
(f) People often misinterpret the FiveThirty Eight model to say that our previous results suggest that Donald Trump "shouldn't" or "won't" win the election. Explain why this is not a correct interpretation. Suggest, calculate, and explain an alternative conclusion from the simulation results that is more intuitive and interpretable.
Answer:
a) P = 0.274925
b) required confidence interval = (0.2705589, 0.2793344)
c) FALSE
d) FALSE
e) TRUE
f) There is still probability that he would win. And it would be highly unusual if he wins assuming that the true population proportion is 0.274925.
Step-by-step explanation:
a)
PROBABILITY
since total number of simulations is 40,000 and and number of times Donald Trump wins an Electoral College majority in the 2020 US Presidential Election is 10,997
so the required Probability will be 10,997 divided by 40,000
P = 10997 / 40000 = 0.274925
b)
To get 95% confidence interval for the parameter in question a
(using R)
>prop.test(10997,40000)
OUTPUT
1 - Sample proportion test with continuity correction
data: 10997 out of 40000, null probability 0.5
x-squared = 8104.5, df = 1, p-value < 2.23-16
alternative hypothesis : true p ≠ 0.5
0.2705589 0.2793344
sample estimate
p
0.274925
∴ required confidence interval = (0.2705589, 0.2793344)
c)
FALSE
This is a wrong interpretation of a confidence interval. It indicates that there is 95% chance that the confidence interval you calculated contains the true proportion. This is because when you perform several times, 95% of those intervals would contain the true proportion but as the confidence intervals will vary so you can't say that the true proportion is in any interval with 95% probability.
d)
FALSE
Once again, this is a wrong interpretation of a confidence interval. The confidence interval tells us about the population parameter and not the sample statistic.
e)
TRUE
This is a correct interpretation of a confidence interval. It indicates that if we perform sampling with same sample size (40000) several times and calculate the 95% confidence interval of population proportion for each of them, then 95% of these confidence interval should contain the population parameter.
f)
The simulation results obtained doesn't always comply with the true population. Also, result of one simulation can't be taken for granted. We need several simulations to come to a conclusion. So, we can never ever guarantee based on a simulation result to say that Donald Trump 'Won't' or 'Shouldn't' win.
There is still probability that he would win. And it would be highly unusual if he wins assuming that the true population proportion is 0.274925.
If UV = 3.6 and TV = 6.2, what is TU?T TUVWrite your answer as a decimal or integer.
In order to find TU we need to add the values together, that is because
\(TV+UV=TU\)Then,
\(\begin{gathered} TU=3.6+6.2 \\ TU=9.8 \end{gathered}\)A group of n people win a total of $6 million from a state lottery drawing. Let f(n) be each person's share (in millions of dollars). Write a variation equation in the given variables. State the value of the variation constant k.
When a group of n people win a total of $6 million from a state lottery drawing, the variation equation will be f(n) = k / n
How to illustrate the information?It should be noted that group of n people win a total of $6 million from a state lottery drawing.
Let f(n) be each person's share in millions of dollars.
Therefore, the variation equation will be:
f(n) = k / n
It should be noted that f(n) is the amount that each person will share
k = constant of variation
n = number of people
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2x + 5y = 10
5y
x +
2.
+
= 4
The function f(x) = Negative Startroot x EndRoot is shown on the graph
Which statement is correct?
The domain of the function is all real numbers less than or equal to −1.
The range of the function is all real numbers greater than or equal to 0.
The range of the function is all real numbers less than or equal to 0.
The domain of the function is all real numbers less than or equal to 0.
Answer:
C) The range of the function is all real numbers less than or equal to 0.
Step-by-step explanation:
Given function:
\(f(x)=-\sqrt{x}\)
Domain
The domain of a function is the set of all possible input values (x-values).
As the square root of a negative number cannot be taken, x ≥ 0.
Therefore, the domain of the function is all real numbers greater than or equal to 0.
Range
The range of a function is the set of all possible output values (y-values).
As the domain is x ≥ 0, the range of the function is all real numbers less than or equal to 0.
Answer:
C) The range of the function is all real numbers less than or equal to 0.
A red purse contains $7, and a black purse contains $10. Each package contains X red purses and Y black purses. If there are N packages (N ≥ 2) and the total value of them is $2021 and if each of X, Y, and N are positive integers, what is X+Y+N?
If each of X, Y, and N are positive integers, then the value of X+Y+N is 212.1
What are system of inequalities?A collection of inequalities for which we consider common solution for all inequalities is called a system of inequalities.
WE are given that A red purse contains $7, and a black purse contains $10. Each package contains X red purses and Y black purses.
X = 7
Y = 10
If there are N packages (N ≥ 2) and the total value of them is $2021
X + Y = One packages
N packages = N(X + Y ) = 10 N
if each of X, Y, and N are positive integers, then;
10 N = 2021
N = 2021/10
N = 202.1
Therefore, X+Y+N = 10 + 202.1 = 212.1
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Can someone help me
Answer: Around 38.2°
Step-by-step explanation:
Set ∠A = x & a = 15Set ∠B = 27° & b = 11Substitute them into the formula for the law of sines:
\(\frac{sinA}{a} =\frac{sinB}{b} \\\\\frac{sinx}{15}=\frac{sin27}{11} \\\)
Cross-multiply:
\(11sinx=15sin27\)
Solve for x:
\(sinx=\frac{15sin27}{11} \\\\x=sin^{-1} (\frac{15sin27}{11})\\\\=38.2488\)
15 cm
5 cm
4 cm
3 cm
Find the lateral surface area of the solid above.
Answer here
The answer for lateral surface area of the Triangular prism is 180 cm²
What is Lateral Surface Area?Any solid object's lateral area can be calculated using the lateral area formula. Any figure's lateral area only includes the non-base faces. Calculating the lateral surface area of various forms, such as the cuboid, cube, cylinder, cone, and sphere, is made easier using lateral area formulas.
The lateral area for a triangular prism
A triangular prism's lateral area is equal to the sum of its side faces' areas (which are 3 rectangles). Specifically, it is the total surface area less the surface areas of the two bases. Additionally called the lateral surface area (LSA). Due to the two dimensions involved in its calculation, we measure it in square units.
The total of the three regions is the triangular prism's lateral area. Consequently, the triangular prism's lateral area formula is
Triangular prism lateral surface area (LSA) = ah + bh + ch (or) (a + b + c) h.
We are aware that the perimeter of the base is (a + b + c) (triangle). Hence,
Triangular prism's lateral surface area (LSA) is equal to the product of the base's perimeter and the prism's height.
base perimeter × height
Explanation
The Given Image of the solid is Matching to a prism.so we are calculating the lateral surface area of the prism
The dimensions of each base are:
a = 5cm
b = 4 cm
c = 3 cm
The height of the triangular prism = 15cm.
Thus, the lateral area of triangular prism = (a + b + c ) h
= (5 + 4 + 3) 15
= (12) 15
= 180 cm²
Answer: The lateral area of the given triangular prism = 180 cm²
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Evaluate the expression: 2 x 2 x 2 x 2
Answer:
2×2 =4
4×2 =8
8×2 =16
there is ur answer
Answer:
girl it not hard; just count by 2s
Step-by-step explanation:
2 4 6 8 10 12 14 16
or do what the other person did
G00gle could also help
tthanks for point XD
What is 9.98- 2.53 and 7.68 + 13.07 and 100.03 - 16.28 show your work
Answer:
9.98- 2.53 = 7.45
7.68 + 13.07 = 20.75
100.03 - 16.28 = 83.75
Step-by-step explanation:
9.98
- 2.53
_____
7.45
1 1 - Process of carrying 10's
7.68
+ 13.07
_______
20.75
0000 13 ⇔ What the number becomes after carrying
↑↑↑↑↑
100.03
- 16.28
______
83.75
Happy New Year!
what is the equation of the line passing
through -3, 7 and having a slope of -1/5
Answer:
Step-by-step explanation:
y - 7 = -1/5(x + 3)
y - 35/5 = -1/5x - 3/5
y = -1/5x + 32/5
Explain why the square root of a number is defined to be
equal to that number to the 1/2 power
9514 1404 393
Answer:
(x^(1/2))^2 = x^(2/2) = x
Step-by-step explanation:
The square root of a number, when multiplied by itself, gives the original number.
(√x)(√x) = x
The rule for exponents is that powers of the same base, when multiplied, will be the base to the sum of those powers.
(a^b)(a^c) = a^(b+c)
Also, the first power of a number is that number itself.
__
\(x^{\frac{1}{2}}\times x^{\frac{1}{2}}=x^{\frac{1}{2}+\frac{1}{2}}=x^1=x\\\\ \text{Compare to ...}\\\\ \sqrt{x}\times\sqrt{x}=x\)
Answer:
Squaring and square root are inverses, so one should "undo" the other. That is, squaring the square root of a number results in the number. Using the power of a power rule, you multiply the exponents. Since a number to the first power is itself, the product of the exponents must equal 1. This means that the power of the square root must be the reciprocal of 2, or one half.
Step-by-step explanation:
EDGE 2020-2021
(FASTEST AND BEST GETS BRAINLIEST)1
While looking at some reports, a store manager notes that board games that retail for $25 end up costing customers $26.75 once the sales tax is added. What is the sales tax percentage?
Write your answer using a percent sign (%).
Answer:
In order to calculate the sales tax of an item, we need to first multiply the pre-tax cost of the item by the sales tax percentage after it has been converted into a decimal. Once the sales tax has been calculated it needs to be added to the pre-tax value in order to find the total cost of the item. Let's start by working with an example. If a magazine costs $2.35 and has a 6% sales tax, then what is the total cost of the item. First, we need to convert the sales tax percentage into a decimal by moving the point two spaces to the left.
6%→0.06
Now, we need to multiply the pre-tax cost of this item by this value in order to calculate the sales tax cost.
Round to two decimal places since our total is in dollars and cents.
Last, add this value to the pre-tax value of the item to find the total cost.
$2.49
Step-by-step explanation:
Hope this helps!!
e-Test Active
2
3
=+
4
Of(x) = -3x+4
Of(x) = -x +
Of(v)=-3y+4
5
6
7
8
10
TIME REI
Consider the function represented by 9x+3y=12 with x as the independent variable. How can this function be
written using function notation?
42-
The function notation of 9x + 3y = 12 is given as follows:
f(x) = 4 - 3x.
How to write the function notation?The function in the context of this problem is given as follows:
9x + 3y = 12.
The format for the function notation is given as follows:
Hence we must isolate the variable y, as follows:
3y = 12 - 9x
y = 4 - 3x (each term of the expression is divided by 3).
f(x) = 4 - 3x.
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16. What product is represented with the following Algebra Tiles?
(2x²+6) (4x+6)
(4x + 4) (6x + 6)
(2x + 2)(2x + 3)
4x+10
The product that is represented with the algebra tiles is (2x + 2)(2x + 3)
Finding the product that is represented with the algebra tiles?From the question, we have the following parameters that can be used in our computation:
The algebra tiles
Representing the red tile with digit 1
So, we have
Vertical = 2x + 1 + 1 = 2x + 2
Horizontal = 2x + 1 + 1 + 1 = 2x + 3
The product that is represented with the algebra tiles is then calculated as
Product = Vertical * Horizontal
So, we have
Product = (2x + 2)(2x + 3)
Hence, the product is (2x + 2)(2x + 3)
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The Kaumajet Factory produces two products - table lamps and desk lamps. It has two separate departments - Finishing and Production. The overhead budget for the Finishing Department is $550,000, using 500,000 direct labor hours. The overhead budget for the Production Department is $400,000 using 80,000 direct labor hours.
The Kaumajet Factory will allocate $7.20 of factory overhead to each unit of table lamp using the multiple production department factory overhead rate method with an allocation base of direct labor hours.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Predetermined overhead rate for Finishing Department = $550,000 / 500,000 direct labor hours = $1.10 per direct labor hour
Predetermined overhead rate for Production Department = $400,000 / 80,000 direct labor hours = $5.00 per direct labor hour
For one unit of table lamp, 2 hours of finishing and 1 hour of production are required, so the total direct labor hours for one unit of table lamp is 2 + 1 = 3 hours.
Finishing Department overhead cost per unit of table lamp = 2 hours * $1.10 per direct labor hour = $2.20
Production Department overhead cost per unit of table lamp = 1 hour * $5.00 per direct labor hour = $5.00
Total factory overhead cost per unit of table lamp
$2.20 + $5.00 = $7.20
Therefore, the Kaumajet Factory will allocate $7.20 of factory overhead to each unit of table lamp using the multiple production department factory overhead rate method with an allocation base of direct labor hours.
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The Kaumajet Factory produces two products-table lamps and desk lamps. It has two separate departments - Finishing and Production. The overhead budget for the Finishing Department is $550,000, using 500,000 direct labor hours. The overhead budget for the Production Department is $400,000 using 80,000 direct labor hours.
If the budget estimates that a table lamp will require 2 hours of finishing and 1 hour of production, how much factory overhead will the Kaumajet Factory allocate to each unit of table lamp using the multiple production department factory overhead rate methods with an allocation base of direct labor hours?
a. $4.91
b. $6.33
c. $7.20
d. $5.00
6. Find LCM (10,14,63).
Answer:
630 is the LCM
Step-by-step explanation:
You have to list all the multiples of each number till you find the lowest same value one which in this case it's 630.
Multiples of 10:
10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 270, 280, 290, 300, 310, 320, 330, 340, 350, 360, 370, 380, 390, 400, 410, 420, 430, 440, 450, 460, 470, 480, 490, 500, 510, 520, 530, 540, 550, 560, 570, 580, 590, 600, 610, 620, 630, 640, 650
Multiples of 14:
14, 28, 42, 56, 70, 84, 98, 112, 126, 140, 154, 168, 182, 196, 210, 224, 238, 252, 266, 280, 294, 308, 322, 336, 350, 364, 378, 392, 406, 420, 434, 448, 462, 476, 490, 504, 518, 532, 546, 560, 574, 588, 602, 616, 630, 644, 658
Multiples of 63:
63, 126, 189, 252, 315, 378, 441, 504, 567, 630, 693, 756
The expression 12g12g12, g gives the number of kilometers a car can travel using ggg liters of gasoline.
How far can this car travel on 5 \dfrac125
2
1
5, start fraction, 1, divided by, 2, end fraction liters of gasoline?
Answer:
Which of these factors will affect the friction on a road
Step-by-step explanation:
Answer:
66
Step-by-step explanation:
The sum of two irrational numbers is _____ a rational number. Which word correctly fills in the blank to create a true statement?
A) always
B) never
C) sometimes
Answer:
C.) Sometimes
Step-by-step explanation:
The sum of two irrational numbers, in some cases, will be irrational. However, if the irrational parts of the numbers have a zero sum (cancel each other out), the sum will be rational.
The word that correctly fills the blank is sometimes, the correct option is C.
What is a Rational Number ?Rational Numbers are numbers that can be written in the form of p/q, q≠0.
The sum of two irrational number is sometimes a rational number.
For example the summation of the irrational number with its additive inverse, the sum will be 0, which is a rational number and a whole number.
Therefore, the word that correctly fills the blank is sometimes, the correct option is C.
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a number is taken away from 13 and the result is 4 what is the number?
Answer:
9
Step-by-step explanation:
13-9= 4
how do you make 8.25 a whole?