Use the image below to answer the next two questions.
ABCD pictured below is a square.
Categorize the angles as either 45° or 90°.
Answers
The measure of angle ABC is 90° and the the measure of angle BDC is 45°.
Square ABCD is given.
What is a square?A square is a quadrilateral with four equal sides. There are many objects around us that are in the shape of a square. Each square shape is identified by its equal sides and its interior angles that are equal to 90°.
Diagonals bisects the angles in square and intersect each other at right angle.
Now, ∠ABC=90°
∠AED=90°
∠BAC=45°
∠DBC=45°
∠BDC=45°
Hence, the measure of angle ABC is 90° and the the measure of angle BDC is 45°.
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Related Questions
If you have 3 cups of half ( 2/6) filled cups how much do you have for one cup?
Answers
I will have the fraction of 1/6 cups of one cup, if 3 cups of half 2/6 fill is what I have.
Fractions in word problemWe can solve word problems in mathematics using the 4 basic operations (addition, subtraction, multiplication and division) on fractions.
From the question, we are have 3 cups of half 2/6 filled cups, this implies that;
2/6 filled cups = 1/3
half 2/6 filled cups = (1/3)/2
half 2/6 filled cups = 1/3 × 1/2 {changing the division to multiplication}
half 2/6 filled cups = 1/6
Therefore, I have 1/6 for one cup and for 3 cups of half 2/6 filled cups, I will have 1/2.
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Help me please
dont even need a full explanation just answer
Answers
The correct option C: -4 ≤ x ≤ -2, are the intervals in which the graph is constant.
Explain the term constant function?An algebraic expression known as a linear expression has terms that are either constants or variables raised to first power. Alternatively put, no of the exponents could be greater than 1.A linear function with a slope of 0 is known as a constant function. The function's value will remain constant regardless of the value you select for "x." A constant function has a graph that is a horizontal line and through y-intercept, "b." Example A's graph is indeed a horizontal line that passes through y = 4 since b is equal to 4.So, from the shown graph, the horizontal line have the constant function which lies in the intervals -4 ≤ x ≤ -2.
Thus, in the intervals -4 ≤ x ≤ -2, the function is constant.
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Enter numbers to evaluate ‐6−13. ‐6−13= ‐6 + = Enter numbers to evaluate ‐6−(‐13). ‐6−(‐13)= ‐6 + =
Answers
The given expression evaluates to -19.
What is a expression? What is a mathematical equation? What do you mean by domain and range of a function?A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem. For any function y = f(x), Domain is the set of all possible values of [y] that exists for different values of [x]. Range is the set of all values of [x] for which [y] exists.We have the following expression -
- 6 - 13
The given expression evaluates to -
x = - 6 - 13
x = - 19
Therefore, the given expression evaluates to -19.
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triangle abc is shown below.
It is rotated to result in A” B” C”. Which triangle contains enough information to prove that it could be the result of this transformation?
Answer choices in the picture.
Answers
Answer:
C
Step-by-step explanation:
it is still C, as the angle-angle-angle information of D is not enough. the sides could all grow or shrink (in the same relation, but still) and the angles would still be the same.
so, D is not enough (although we have 3 pieces of information, but this is the special case, where even that is not enough - we need at least one side in the mix).
Find the critical numbers of the function. (Enter your answers as a comma-separated list.)
f() = 6sec + 3tan , 0 < < 2
Answers
The critical numbers of the function are; θ = π/6, 5π/6
How to find the critical value of a trigonometric function?
We are given the trigonometric function as;
f(θ) = 6secθ + 3tanθ ; 0 < θ < 2π
The critical points of a function are defined as those points of the domain where the function is not differentiable or those points for which the derivative is equal to zero.
Let us find the first derivative;
f'(θ) = 6(-sin θ/cos² θ) + 3(1/cos² θ)
f'(θ) = (3 - 6sin θ)/cos² θ
At f'(θ) = 0, we have;
3 - 6sin θ = 0
θ = sin⁻¹(3/6)
Since sin is positive, then;
θ = π/6, 5π/6
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what IS 1/2 as a percent help pls SOS
Answers
Answer:
50%
Step-by-step explanation:
numerator divided by denominator
1 divided by 2 = .5
.5 x 100 = 50%
Which statement about Shawn’s line is true?
The slope of the line is 1/3
The y-intersect of the line is (4,0)
The y-interpect means Shawn ran 4 laps at week 0
The slope represents the average number of weeks it is Shawn to run laps
Answers
The slope represents the average number of weeks it is Shawn to run laps is true about Shawn's line.
Define slope.The ratio of the "vertical change" to the "horizontal change" between (any) two unique points on a line is used to compute slope. The ratio can also be written as a quotient ("rise over run"), which produces the same number for every two distinct points on the same line. A declining line has a negative "rise." The line might be useful, as determined by a road surveyor, or it might appear in a diagram that represents a road or a roof as a description or a design.
Given,
Graph to show number of taps he is scheduled to run a week.
True statement is,
The slope represents the average number of weeks it is Shawn to run laps.
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How many boards 6 5/6 will it take to cover 205 in wide
Answers
By using fraction, it can be calculated that
30 boards are required to cover a floor of width 205 inches wide
What is fraction?
Suppose there is a collection and a part of collection has to be taken.
The part which is taken is called fraction. In other words part of a whole is called fraction.
The upper part of the fraction is the numerator and the lower part of the fraction is the denominator.
This is a word problem on fraction
Width of each board = [tex]6\frac{5}{6}[/tex] inches = [tex]\frac{41}{6}[/tex] inches
Total width of floor = 205 inches
Number of boards required = [tex]205 \div \frac{41}{6}[/tex] = [tex]205 \times \frac{6}{41}[/tex] = 30
30 boards are required
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ING
DO
S
DO
Here's the revenue and expenses for the month. Calculate whether Mia had a profit or loss.
REVENUE
DOG FOOD
$3,500
CAT FOOD
$2,100
PET TREATS
$1,200
PET SUPPLIES $2,750
TOTAL
$9,550
JANUARY ACCOUNTS
FIXED EXPENSES
RENT
$2,000
SALARIES
$2,000
UTILITIES
$1,000
PRODUCT STOCK $4,000
TOTAL
$9,000
$ X
VARIABLE EXPENSES
NEWSPAPER AD $200
TOTAL
$200
ENTER MIA'S TOTAL PROFIT/LOSS FOR THE MONTH IN THE BOX BELOW, THEN CLICK SUBMIT.
SUBMIT
Answers
9500-9000-200
9550-9200
Profited
$350
Brainly pls
Dr. Arman has 1,000
vitamin samples to give his
patients. The number of
samples remaining
decreases by 18% each
week. Which equation
represents the remaining
number of samples after x
weeks?
Answers
1000 - 180x represents the remaining number of samples after x weeks.
What is exponents?
Exponentiation could be a calculation, written as bⁿ, involving 2 numbers, the bottom b and also the exponent or power n, and pronounced as "b to the n".
Main body:
Consider what is actually happening in the question.
You begin with 1000 samples, after it decreases to
=1000-18% of 1000
= 820
You can see the pattern shows that the number of samples decreases 18% every week ,1000-18% of 1000 - 18% 0f 1000.
= 1000 - 180x where x denotes number of weeks.
Hence 1000 - 180x represents the remaining number of samples after x weeks.
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Solve the problems.
Write the complete proof in your paper homework and for online to questions or statements (if any) that are parts of your proof
Given m ∠A=m ∠C=90°
AB ║ DC
Prove Δ ABD ≅ Δ CDB
Answer= m ∠ABD= m ∠CDB by reason ____
Answers
By AAS congruence theorem, ΔABD is congruent ΔCDB.
Quadrilateral ABCD is given in the figure.
What is the congruence theorem?Triangle congruence theorem or triangle congruence criteria help in proving if a triangle is congruent or not. The word congruent means exactly equal in shape and size no matter if we turn it, flip it or rotate it.
Given, AB║DC
Consider ΔABD and ΔCDB
m∠A=m∠C=90° (Given)
m∠ABD=m∠BDC (Alternate interior angles)
BD = BD (Common)
Using AAS congruence theorem, ΔABD ≅ ΔCDB
Hence, by AAS congruence theorem, ΔABD is congruent ΔCDB.
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“According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green. [Round your answer to three decimal places, for example: 0.123]”
Answers
A probability is a numerical representation of the likelihood or chance that a specific event will take place.
How to find the probabilities?12% of peanut M&M’s = brown
15% = yellow
12% = red
23% = blue
23% = orange
15% = green
Here, Probability of an event is represented as P
a) P(not green) = 100% - 15%
= 85%
= 0.85
b) P(yellow or red) = 15% + 12%
= 27%
= 0.27
c) P(three blue) = 0.23*0.23 *0.23
= 0.012 (rounded to 3 decimal places)
d) P(not green if you choose 6 )= [tex](0.85)^{6}[/tex]
= 0. 377
e) P(at least 1 green if you choose 6 ) = 1 - 0.377
= 0.623
What is probability?Probability is the ability to happen. The subject of this area of mathematics is the occurrence of random events. From 0 to 1 is used to express the value. To forecast how likely occurrences are to occur, probability has been introduced in mathematics. The degree to which something is likely to happen is essentially the definition of probability. This is the fundamental theory of probability, which is also applied to the probability distribution, and from which you will discover the likelihood of results for a random experiment. We must first determine the total number of outcomes in order to calculate the probability that a single event will occur.To learn more about probability, refer:
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an object travels 4/5 miles in 1/2 hour. what is her speed?
Answers
Answer:
[tex]\huge\boxed{\sf v = 0.4\ mph}[/tex]
Step-by-step explanation:
Given data:Distance = S = 4/5 miles = 0.2 miles
Time = t = 1/2 hour = 0.5 hours
Required:Speed = v = ?
Formula:v = S/t
Solution:v = 0.2/0.5
v = 0.4 mph[tex]\rule[225]{225}{2}[/tex]
Answer: 8/5 mph
Step-by-step explanation:
According to definition, an object's speed is determined by:
s=d/t where,
d is the object's travel distance, and t is the amount of time it takes.
We can replace these values with:
Since, s= (4/5) / (1/2) mph
=> s= 8/5 mph
The object's speed to cover 4/5 miles in 30 minutes is: 8/5 mph
please help im really bad at this
Answers
if f(a)=a²-1 find f(5)
Answers
Answer: 24
Step-by-step explanation:
A=5 so F(x)=5^2-1
F(x)=24
Simplify. Show your work. Circle your answer.
2√10·5√12
Answers
Simplify the [tex]2\sqrt{10}[/tex] · [tex]5\sqrt{12}[/tex] we will get 20 · √30.
What do you mean by exponent and radicals?
Exponents are a convenient way of describing repeated multiplication of the same number. Radicals include the use of radical characters √
These are sometimes called surdos. The exponent is the power p of an expression of the form [tex]a^{p}[/tex]
The process of raising a base number to a given power is called exponentiation. (where a ≠ 0)
Given:
[tex]2\sqrt{10}[/tex] · [tex]5\sqrt{12}[/tex]
= (2 × 5)· [tex](\sqrt{10}\times \sqrt{12)}[/tex]
= 10 · [tex]\sqrt{120}[/tex]
= 10 · 2 · [tex]\sqrt{30}[/tex]
= 20 · √30
Therefore, [tex]2\sqrt{10}[/tex] · [tex]5\sqrt{12}[/tex] = 20 · √30
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FIND THE TWO POINTS HAVING AN X-COORDNATE OF 3 WHOSE DISTANCE FROM THE POINT(-2,-1) IS 13.
POINT 1: (3, ?)
POINT 2: (3, ?)
Answers
To find the two points having an x-coordinate of 3 whose distance from the point (-2, -1) is 13, you can use the distance formula:
Distance = √((x2 - x1)^2 + (y2 - y1)^2)
where (x1, y1) is the coordinates of the first point, and (x2, y2) is the coordinates of the second point.
In this case, you can use the distance formula to find the y-coordinates of the two points having an x-coordinate of 3:
Distance = √((3 - (-2))^2 + (y - (-1))^2)
= √(5^2 + (y + 1)^2)
= √(25 + y^2 + 2y + 1)
= √(26 + y^2 + 2y)
= 13
If you set the distance equal to 13 and simplify the equation, you get:
y^2 + 2y + 12 = 0
This is a quadratic equation, which means it can be solved using the quadratic formula:
y = (-b ± √(b^2 - 4ac)) / (2a)
where a, b, and c are the coefficients of the quadratic equation.
Substituting the values into the quadratic formula, you get:
y = (-2 ± √(-2^2 - 4 * 1 * 12)) / (2 * 1)
= (-2 ± √(-4 - 48)) / 2
= (-2 ± √(-52)) / 2
Since the square root of a negative number is not a real number.
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Question
The price of a pair of shoes is reduced by $5.19. The price is now $22.50
What was the original price of the shoes?
SOMEONE HELP PLEASE!
Answers
Answer:
$27.69
Step-by-step explanation:
when an article is sold for 1200 there is 10% profit at what price should it be sold to gain 20%
Answers
Answer:
1309.10
Step-by-step explanation:
1200 = 110%
(1200/110)*120 = 1309.10
Which inequality has the graph shown below?
Answers
The inequality is y > 2x-3
option C is correct
What is inequality in math?
In Algebra, an inequality is a mathematical statement that uses the inequality symbol to illustrate the relationship between two expressions. An inequality symbol has non-equal expressions on both sides. It indicates that the phrase on the left should be bigger or smaller than the expression on the right, or vice versa. Literal inequalities are relationships between two algebraic expressions that are expressed using the inequality symbols.
The line intersects the y- axis at point (0,-3)
i.e., The y-intercept =-3
We know that,
Equation of lime, y= mx + b
b: y-intercept
m: Slope of the line
Slope of the line,
m = 0-(-3)/3/2 = 2
m ⇒ 2
∴ Equation of line, y = 2x - 3
The shaded are is above the line, and line is represented with dotted lines,
hence the inequality is,
y > 2x - 3
Hence, option C is correct
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select the spreadsheet formula that would correctly calculate the average (mean) of the following values: 25, 50, and 75.
Answers
The spreadsheet formula that would correctly calculate the average (mean) of the given values is: (25 + 50 + 75) / 3 = 50.
What is an average?An average is a single number taken as representative of a list of numbers, generally the sum of the numbers divided by how many numbers are in the list (the arithmetic mean).
What is the formula to calculate the average?The formula to calculate the average of given numbers is equal to the sum of all the values divided by the total number of values. Average = Sum of Values / Number of Values.
So, in this case:
Values: 25, 50, 75
Number of Values: 3
Thus, the average:
Sum of Values / Number of Values = (25 + 50 + 75) / 3 = 50
Hence, the spreadsheet formula that would correctly calculate the average (mean) of the given values is: (25 + 50 + 75) / 3 = 50.
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2. If AJKL AQRS, find each missing value.
R
J
3x-1
58°
32
(4z + 3)°
K
L
27
Q
y + 10
87⁰
14
S
X=
Y=
Z=
4
Answers
Answer:gat big
Step-by-step explanation:
Fall 2018 FT Enrollment numbers for Lee Business School by Department and Level of Instruction.Accounting: Undergrad 390 Master 83 Doctoral 0, Total 473Economics Undergrad 467, Master 20, Doctoral 0, Total 487Finance Undergrad: 215, Master 7, Doctoral 0, Total 222Management, Entrenp & Tech: Undergrad 590, Master 75, Doctoral 1, Total: 666Marketing and Int; Business: Undergrad 259, Master 10, Doctoral 1, Total: 270MBA: Undergrad 0, Masters 63, Doctoral 2: 65Data #2:Create a visual from the data above that compares the total percentage of students in each department, to the whole of Lee Business School.
Answers
Total percentage of students in each department, to the whole of Lee Business School is 85.5298308 11.48709 0 2.983081 100.
What is percentage ?
A % is a quantity or ratio that, in mathematics, represents a portion of one hundred. A dimensionless connection between two numbers can be represented in a variety of ways, such as through ratios, fractions, and decimals. The sign "%" is frequently put after the number to indicate percentages.
Department Undergrad Master Doctoral Total
Total % Total % Total % Numbers %
Accounting 390 17.364203 83 3.695459 0 0 473 21.05966
Economics 467 20.79252 20 0.890472 0 0 487 21.68299
Finance 215 9.5725735 7 0.311665 0 0 222 9.884239
Management, E&T 590 26.268923 75 3.33927 1 0.044524 666 29.65272
Marketing and I.B. 259 11.531612 10 0.445236 1 0.044524 270 12.02137
MBA 0 0 63 2.804987 65 2.894034 128 5.69902
Total 1921 258 67 2246
Percentage of total students 85.5298308 11.48709 0 2.983081 100
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Suppose the average yearly salary of an individual whose final degree is a master's is $49 thousand less than twice that of an individual whose final degree is a
bachelor's. Combined, two people with each of these educational attainments earn $116 thousand. Find the average yearly salary of an individual with each of
these final degrees.
Answers
Answer:
Bachelor's Degree: $55,000
Master's Degree: $61,000
Step-by-step explanation:
First start defining variables for each of the salaries
Let M be the salary of the master's individual
Let B be the salary of the bachelor's individual
Given:
Average yearly salary of an individual whose final degree is a master's is $49 thousand less than twice that of an individual whose final degree is a bachelor's
can be translated into the equation
M = 2B - 49,000
Subtract M from both sides and add 49,000 to both sides:
49,000 = 2B - M
Switch sides:
2B - M = 49,000 [1]
Together they earned 116,000 becomes
B + M = 116,000 [2]
Add equations [1] and [2] to eliminate M
2B - M + B + M = 49,000 +116000
3B = 165000
B = 165000/3 = 55,000
Using equation 2, B + M = 116000 we get
55000 + M = 116000
M = 116000 - 55000 = 61,000
Solution
Bachelor's Degree: $55,000
Master's Degree: $61,000
Find the slope: (-1,1) and (-2,-3)
Thank you!
Answers
slope formula can be illustrated as , (y₂ - y₁) / (x₂ - x₁)
It is given in question that-
x₁ = -1 and y₁ = 1
x₂ = -2and y₂ = -3
so by using given formula for slope
slope= (y₂ - y₁) / (x₂ - x₁)
slope = (-3- (1) / (-2 - (-1) = (-3 - 1) / (-2 + 1) = -4/-1 = 4
final answer , slope =4
What is slope ?
The ratio of how much y grows as x grows by a certain amount is known as a line's slope. The slope of a line indicates how steep it is, or how much y rises as x rises. Anywhere along the line, the slope remains constant (the same).
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Answer:
[tex] \sf \: slope(m) = 4[/tex]
Step-by-step explanation:
Now we have to,
→ find the required slope.
Formula we use,
→ Slope(m) = (y2 - y1)/(x2 - x1)
Then the slope will be,
→ m = (y2 - y1)/(x2 - x1)
→ m = (-3 - 1)/(-2 -(-1))
→ m = (-4)/(-2 + 1)
→ m = (-4)/(-1)
→ m = 4/1
→ [ m = 4 ]
Hence, the slope is 4.
1/2 of the animals at the shelter are cats. If there are 318
animals at the shelter, how many are cats?
Answers
Answer:
159
Step-by-step explanation:
To find half of an amount, multiply the amount by 1/2 which is the same as dividing the amount by 2.
318 × 1/2 =
= 318 ÷ 2
159
-----------------------
2 | 318
- 2
------------
11
- 10
-------
18
- 18
------
0
318 × 1/2 = 318 ÷ 2 = 159
Phil and Matt made cookies for a fundraiser at their high school. The cookies sold for $0.25 each. Phil and matt made a total of $72.00 selling the cookies. How many cookies did they sell. Show your work
Answers
By solving a linear equation, we will see that they sold a total of 288 cookies.
How many cookies did they sell?An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.
We know that Phil and Matt sell cookies for $0.25 each, so, if they sell x cookies, the total revenue is: R(x) = $0.25*x
Now, we know that they made a total of $72.00, so now we need to solve the linear equation:
$0.25*x = $72.00x
= $72.00/$0.25 = 288
They sold 288 cookies.
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Dos cuadrados de lado
10 cm se sobreponen formando un
rectángulo de 17 cm de largo, como se
muestra en la figura. ¿Cuál es el área
de la franja amarilla en centímetros
cuadrados?
Answers
La franja amarilla del rectángulo tiene un área de 30 centímetros cuadrados.
¿Cuál es el área de la franja amarilla del rectángulo?
En este problema tenemos un rectángulo formado por dos cuadrados que se traslapan uno al otro. La franja amarilla es el área en la que los cuadrados se traslapan. La anchura del rectángulo es descrita por la siguiente ecuación:
(10 - x) + 2 · x = 17
Donde x se mide en centímetros.
A continuación, despejamos x en la ecuación descrita:
10 + x = 17
x = 7
Ahora, el área de la franja amarilla se determina mediante la fórmula de area de un rectángulo:
A = b · h
Donde:
b - Base del rectángulo, en centímetros. h - Altura del rectángulo, en centímetros. A - Área del rectángulo, en centímetros cuadrados.A = (10 - 7) · 10
A = 3 · 10
A = 30
El área de la franja amarilla del rectángulo es igual a 30 centímetros cuadrados.
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Struggling on factoring quadratics. Could someone help me out with this worksheet, any examples of how to do the different types of problems would be great as well as finished problems
Answers
Answer:
When factoring, you want to get all of the terms on one side first and set all of it equal to 0. Many of the problems here are already in this format =0, but there are some where you'll have to move the terms around.
In these examples, it also looks like the highest power you have is x^2. This makes things easier to work with.
Let's just start with the first one, x^2 - 9x + 18 = 0.
We need to find two numbers that multiply to give us 18, and add together to give us -9. That would be -6 and -3.
-6 + -3 = -9
- 6 * -3 = 18
We can rewrite it now. This is the factored form.
(x - 6) * (x - 3) = 0
If you want to, you can go back to expanded form using the acronym 'FOIL'. First, Outside, Inside, Last. This refers to the order of multiplying the terms.
(x - 6) * (x - 3)
x * x = x^2
x * -3 = -3x
-6 * x = -6x
-6 * -3 = 18
Simplify
x^2 - 3x - 6x + 18 = 0
And we're back to where we started.
x^2 - 9x + 18 = 0
Hope this helps.
Chaz has an account with $ 9 , 200 . He transferred this amount into an account paying 4.9 % annual interest compounded quarterly. How much money will be in the account after 5 years? Round to the nearest cent if necessary.
Answers
[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$9200\\ r=rate\to 4.9\%\to \frac{4.9}{100}\dotfill &0.049\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{quarterly, thus four} \end{array}\dotfill &4\\ t=years\dotfill &5 \end{cases} \\\\\\ A=9200\left(1+\frac{0.049}{4}\right)^{4\cdot 5}\implies A=9200(1.01225)^{20} \implies A \approx 11736.63[/tex]