Answer:
The values of x are -6 , 0 , 1 ⇒ Answers C , D , E
Step-by-step explanation:
* Let revise how to find the vertical asymptote
- Vertical asymptotes of a rational function f(x)/g(x) can be found by
solving the equation g(x) = 0 ⇒ the denominator of the fraction
- Note: this only applies if the numerator f(x) is not zero for the same
x value
* Lets solve the problem
∵ F(x) = 1/x(x + 6)(x - 1)
∵ The denominator of the fraction is x(x + 6)(x - 1)
- To find the equation of the vertical asymptote Put the
denominator = 0
∴ x(x + 6)(x - 1) = 0
- The denominator has three factors, equate each by 0
∴ x = 0
OR
∴ x + 6 = 0 ⇒ subtract 6 from both sides
∴ x = -6
OR
x - 1 = 0 ⇒ add 1 to both sides
∴ x = 1
∴ From all above there are 3 vertical asymptotes at x = -6 , 0 , 1
* The answers are C, D , E
Answer:
Step-by-step explanation:
-6 0 1
what is 22% of 60?
Answer: 13.2
Step-by-step explanation: First, turn the percent into a decimal by dividing it by 100.
22/100 = 0.22
Multiply the decimal by 60.
0.22 x 60 = 13.2
Is the number 128.439 a rational number
Answer:
Yes
Step-by-step explanation:
Yes terminating and repeating decimals are rational numbers.
This is a terminating decimal. It ends, so it is rational.
Anything that can be written as a fraction where the top and bottom are integers is rational.
Some examples:
-1 =-1/1
5 =5/1
5.23 =523/100
.3333333333333333333333333333333333333....=1/3
1 2/3 =5/3
Since there seems to be more that need convincing, the number 128.439 can be written as 128439/1000
that is a fraction where the top and bottom are integers
so 128.439 is rational
The number 128.439 is a rational number
As Jupiter revolves around the sun, it travels at a rate of approximately 8 miles per second. Convert this rate to miles per minute. At this rate how many miles will Jupiter travel in 2 minutes? Do not round your answers
Answer:
60 * 8 = 480 miles per minute *2 = 960 miles
Step-by-step explanation:
URGENT HELP)
Shari rolls a pair of dice, numbered 1 to 6, 64 times. How many times can she expect to roll an odd number!
Answer:
32
Step-by-step explanation:
Possible outcomes in a fair sided die 1,2,3,4,5,6 = 6 possible outcomes
Odd numbers = 1,3,5 = 3 odd numbers
Probability of rolling an odd number = [tex]\frac{3}{6}[/tex] = [tex]\frac{1}{2}[/tex]
Total number of rolls = 64
expected number of odd number rolls in 64 roll,
= [tex]\frac{1}{2}[/tex] x 64 = 32
If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?
Answer:
g (h (x) ) = 5/8
Step-by-step explanation:
We are given the following two functions and we are to find the value of [tex] g ( h ( - 3 ) ) [/tex]:
[tex] g ( x ) = \frac { x + 1 } { x + 2 } [/tex]
[tex] h ( x ) = 4 - x [/tex]
Firstly, we need to find the function :
[tex] g ( h ( x ) ) = \frac { ( 4 - x + 1 ) } { ( 4 - x - 2 ) } = \frac { 5 - x } { 2 - x } [/tex]
Now substituting the value [tex]x=-3[/tex] in it:
[tex] g ( h ( x ) ) = \frac { 5 - (-3) } { 2 - (-3) } [/tex]
g (h (x) ) = 5/8
Answer:
8/5
Step-by-step explanation:
If g(x) = (x+1)/(x-2) and h(x) = 4 - x
(g*h)(-3) = g(h(-3))
h(-3) = 4 - -3 = 4 + 3 = 7
g(7) = (7 + 1)/(7 - 2) = 8/5
5.(04.07)
Two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. What is the first year the f(x) height is greater than
the g(x) height?
Year 3
Year 0
Year 2
Year 1
Answer:
Year 2
Step-by-step explanation:
The graph that I attached shows the growth over time. The height of the blue line (f(x)) surpasses g(x) at 1.63 years. We can say that year 2 is the first year that f(x) is greater than g(x).
x 2 + y 2 = 36
x + y = 6
Solve the system of equations.
Answer:
x = 6 and y = 0 or x = 0 and y = 6 → (6, 0) or (0, 6)Step-by-step explanation:
[tex]\left\{\begin{array}{ccc}x^2+y^2=36\\x+y=6&\text{subtract y from both sides}\end{array}\right\\\left\{\begin{array}{ccc}x^2+y^2=36&(1)\\x=6-y&(2)\end{array}\right\qquad\text{substitute (2) to (1):}\\\\(6-y)^2+y^2=36\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\6^2-(2)(6)(y)+y^2+y^2=36\\36-12y+2y^2=36\qquad\text{subtract 36 from both sides}\\2y^2-12y=0\qquad\text{distributive}\\2y(y-6)=0\iff2y=0\ \vee\ y-6=0\\\\2y=0\qquad\text{divide both sides by 2}\\y=0\\\\y-6=0\qquad\text{add 6 to both sides}\\y=6[/tex]
[tex]\text{put the values of y to (2):}\\\\for\ y=0:\\x=6-0=6\\\\for\ y=6\\x=6-6=0[/tex]
The table below shows the details of three different river rafting adventures. Adventure Duration (in hours) Distance (\text{km})(km)left parenthesis, k, m, right parenthesis High Tide 111 333 Monsoon 222 555 Tsunami 4 Which river rafting adventure offers the lowest average speed? Choose 1 answer: Choose 1 answer: (Choice A) A High Tide (Choice B) B Monsoon (Choice C) C Tsunami
Answer:
Monsoon
Step-by-step explanation:
in High tide every 1 hour, you move 3 km that is faster then Monsoon which every 2 hours you move 5 km because if you multiply 1 by 2 you get 2 (hours) but if you multipy 3 by 2 yuo get 6 and 6 is more than 5. if you use this method one more time then to you will find that the answer is Monsoon.
The river rafting adventure that offers the lowest average speed would be the option Monsoon.
Explain Multiplication no sign?We don't write symbols like currency generally and understand it from context.
Also, a sign of multiplication is often hidden if there are non-numeric symbols and numbers being multiplied are written together.
The table below shows the details of three different river rafting adventures.
Adventure Duration (in hours)
Distance (\text{km})(km)left parenthesis, k, m, right parenthesis
High Tide 111 333 Monsoon 222 555 Tsunami 4
In High tide every 1 hour, you move 3 km which is faster than Monsoon
Every 2 hours you move 5 km because 1 x 2 gives 2 (hours)
But 3 x 2 = 6 and 6 is more than 5.
Therefore, The answer is Monsoon.
Learn more about multiplication here;
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What is the answer please help times the 6 by something to get to 8 I think
Answer:
the answer is
[tex]x = 48[/tex]
Step-by-step explanation:
[tex] \frac{x}{6} = 8[/tex]
[tex]x = 48[/tex]
Latitude and longitude describe locations on the Earth with respect to the equator and prime meridian. The table shows the
Latitude and daily high temperatures on the first day of spring for different locations with the same longitude.
Temperature vs. Latitude
Latitude
("N)
High Temp
12
53
16
41
30
67
36
63
32
70
11
58
10
61
33
67
30
72
Which statement describes the slope of the line of best fit for the data?
The temperature decreases by about 0.9" for each 1 degree increase north in latitude.
The temperature decreases by about 1.7" for each 1 degree increase north in latitude,
The temperature increases by about 0.8" for each 1 degree increase north in latitude,
The temperature increases by about 1.3" for each 1 degree increase north in latitude.
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Mark this and refum
choice A ("decreases by about 0.9°") is more likely the correct description of the slope.
Step 1: Look for the trend between temperature and latitude
Generally, as we move north in latitude (higher latitude values), temperatures tend to decrease. Analyze the high temperatures in the table. Warmer temperatures are at lower latitudes and cooler temperatures are at higher latitudes.
Step 2: Interpret the slope
The slope of the best fit line tells you how much the temperature changes (on the y-axis) on average with every one-degree increase in latitude (on the x-axis). Since temperature decreases as latitude increases, the slope will be negative.
The temperature decreases by a certain value for each 1-degree increase north in latitude. The answer choices with a positive slope (increase in temperature) can be eliminated (choices C and D). Looking at the remaining choices (A and B), a lower negative value indicates a smaller decrease in temperature with increasing latitude.
We know that generally, temperatures get cooler as we move north (higher latitudes). This means as the latitude values increase (on the x-axis), the temperature values (on the y-axis) should decrease.
Slope and Interpretation: The slope of the best fit line through the temperature data tells us how much temperature changes (goes up or down) on average with every one-degree increase in latitude. Since temperature goes down (decreases) with increasing latitude, the slope will be negative.
Eliminate positive slopes (choices C and D) because they indicate a temperature increase with latitude, which contradicts the trend.Focus on the remaining choices (A and B) with negative slopes.A lower negative value (like -0.9° in choice A) means a smaller decrease in temperature for each degree of latitude increase. This suggests a more gradual decrease in temperature compared to a larger negative value.Therefore, considering the trend and how the slope reflects temperature change, choice A ("decreases by about 0.9°") is the most likely description of the slope. It suggests a gradual decrease in temperature with increasing latitude.What are the zeros of f(x)=x^2+3x-10
You must remember that a polynomial is written like so...
ax^2 + bx + c
In this case...
a = 1
b = 3
c = -10
To factor you must find two numbers who both add up to b (3) AND multiply to c (-10)
-2 + 5 = 3
-2 * 5 = -10
so...
(x - 2)(x + 5)
To find the zero you must set each factor equal to zero and solve for for x like so...
x - 2 = 0
x = 2
x + 5 = 0
x = -5
Hope this helped!
~Just a girl in love with Shawn Mendes
Answer:
x= -5 and x= 2
Step-by-step explanation:
How many ounces are in 3.5 pounds?
Hint: 16 ounces = 1 pound
Answer:
56 ounces
Step-by-step explanation:
16 ounces = 1 pound
There are 3.5 pounds so 16 x 3 = 48
Then, the other .5 of the pound would be 16/2 or 8.
48 + 8 + 56
Answer:
56
Step-by-step explanation:
16x3=48
Half of 16 is 8.
Since there is 3 1/2 pounds
You would add the 8 and 48.
48 from the 3 pounds and 8 ounces for 1/2 a pound.
Hence, the answer is 56.
48+8=56
Writing a quadratic equation given the roots and the leading coefficient
roots 6, 4, and coefficient 5
[tex]\bf x= \begin{cases} 6\\ 4 \end{cases}\implies \begin{cases} x=6\implies &x-6=0\\ x=4\implies &x-4=0 \end{cases} \\\\\\ (x-6)(x-4)=\stackrel{y}{0}\implies \stackrel{\mathbb{F~O~I~L}}{x^2-10x+24}=0\implies \stackrel{\textit{adding a common factor of 5}}{5(x^2-10x+24)=0} \\\\\\ 5x^2-50x+120=0\implies 5x^2-50x+120=y[/tex]
now, the common factor of 5 simply makes the parabola steeper, but the roots are the same, whilst the vertex of it changes
Final answer:
To write a quadratic equation given the roots and the leading coefficient, use the formula ax² + bx + c = 0, where the roots are the values of x when the equation equals zero, and the leading coefficient determines the value of a.
Explanation:
To write a quadratic equation given the roots and the leading coefficient, you can use the formula ax² + bx + c = 0. The roots of the quadratic equation are the values of x when the equation equals zero. The leading coefficient determines the value of a in the equation. In this case, the roots are 6 and 4, and the leading coefficient is 5.
Using the formula, we get: 5x² - (6+4)x + (6)(4) = 0.
Simplifying, we have 5x² - 10x + 24 = 0. This is the quadratic equation with the given roots and leading coefficient.
What is the product of 3a + 5 and 2a2 + 4a - 2?
Answer:
6a^3 + 22a^2 - 6a - 10
Step-by-step explanation:
(3a + 5)(2a^2 + 4a - 2)
distribute 3a
6a^3 + 12a^2 - 6a
distribute 5
10a^2 + 20a - 10
combine like terms/simpify
6a^3 + 22a^2 - 6a - 10
Answer:
6a^3 + 22a^2 +14a-10
Step-by-step explanation:
Hi, to solve this you have to apply the distributive porperty:
So:
[tex](3a +5)x ( 2a^{2} +4a -2)\\6a ^{3} +12a^{2} -6a + 10a^{2} +20a^{2} -10\\\\[/tex]
Then, combine like terms and solve using addition or subtraction:
[tex]6a^{3} +12a^{2} +10a^{2} +20a-6a-10\\6a^{3} +22a^{2} +12a-10[/tex]
In conclusion the product is 6a^3 + 22a^2 +14a-10.
Feel free to ask for more if it´s necessary or if you did not understand something.
Is the graph increasing, decreasing, or constant where -3 < X <-1?
Answer:
decreasing
Step-by-step explanation:
since its negative it will slope down
The graph is increasing.
What is graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points. A graph consists of some points and lines between them.
Given: range: -3 < X <-1
The graph related to this question is attached below
as, seen from the graph the graph slope will rise up from -3 to -1.
Hence, the graph is increasing.
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Pleaseee helpppp!!!!!!!!!!!
[tex]\bf (\stackrel{x_1}{2}~,~\stackrel{y_1}{-4})~\hspace{10em} slope = m\implies \cfrac{3}{5} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-4)=\cfrac{3}{5}(x-2)\implies y+4=\cfrac{3}{5}(x-2) \\\\\\ y+4=\cfrac{3}{5}x-\cfrac{6}{5}\implies y=\cfrac{3}{5}x-\cfrac{6}{5}-4\implies y=\cfrac{3}{5}x-\cfrac{26}{5}[/tex]
A tV set was bought for $3900 and $200 was spent on
transportation and $900 on repair. It was sold at a loss of 10%
the selling price of the television
Answer:
$4,500
Step-by-step explanation:
Given:
Price Bought: $3,900
Transportation: $200
Repair: 900
Total amount spent = 3,900 + 200 + 900 = $5,000
10% of amount spent = 10% x 5,000 = 0.1 x 5000 = $500 (= amount loss)
TV was sold at a 10% loss,
selling price = $5,000 - $500 = $4,500
Answer:
Rs.4500
Step-by-step explanation:
1.total cost of TV=3900+200+900
=5000
2. loss=10/100*5000
=500
selling price of TV=5000-500
=Rs.4500
Tomer owns a daycare center called kidz kare. One afternoon he collected the age of each person in kidz kare. The following histogram summarizes the data he collected. Based on this data, what is a reasonable estimate of the probability that the next person to enter kidz kare is between 10 and 15 years old?
Choose the best answer:
A) 2/10
B) 2/7
C) 3/10
D) 3/7
Answer:
3/10
Step-by-step explanation:
Using it's concept, it is found that the probability that the next person to enter kidz kare is between 10 and 15 years old is given by:
C) 3/10.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes.
From the histogram, we have that out of a total of 10 students, 3 are between 10 and 15 years old, hence:
p = 3/10, which means that option C is correct.
More can be learned about probabilities at https://brainly.com/question/14398287
Subtract the problem below.
Answer:
C. 3x^2 -13x + 7
Step-by-step explanation:
Lets start in the ones place:
+3
- (-4)
_______
+7
Now go to the tens place:
-5x
-(8x)
________
-13x
Lastly, go to the hundreds place:
6x^2
-(3x^2)
_________
3x^2
So, the correct answer is "3x^2 -13x + 7", which is C.
I hope this helps! :)
Answer:
C) 3x squared - 13x + 7
Step-by-step explanation:
To subtract this problem you need to combine like terms
6x squared - 3x squared = 3x squared
-5x - 8x = -13
3 - -4 = 7
Since you combined the like terms put it back into an expression
3x squared - 13x + 7
Since the 13 is negative it becomes a subtraction sign in this expression.
The 7 is positive so it becomes an addition sign.
The length of a rectangle is 24 units. Can the perimeter P of the rectangle be 60 units when its width w is 11 units?
a bookcase contains 2 statistics books and 5 biology books if 2 books are chosen at random the chance that both are statistics books is
Answer 1 (without replacement) :
P(2 books)=P(first)*P(second)=2/7*1/6=2/42=1/21 this is if you don't put the book back on the shelf after taking it off the first time
Answer 2 (with replacement) :
P(2 books)=P(first)*P(second)=2/7*2/7=4/49 this is if you put the book back on the shelf after taking it off the first time
I put he probably didn't put the book back on the shelf after this first time but I don't know without those details in the question
If f(x) =3x+10, find f(4) A.f(4)=17 B.f(4)=22 C.22 D.f(4)=17
Answer:
[tex]\large\boxed{B.\ f(4)=22}[/tex]
Step-by-step explanation:
[tex]f(x)=3x+10\\\\f(4)-\text{put x = 4 to the equation of the function}\\\\f(4)=3(4)+10=12+10=22[/tex]
Which expression is equivalent 5÷7
a.7/5
b.7×1/5
c.35
d.5×1/7
Final answer:
The expression 5÷7a is equivalent to 5a/7 when rewritten in simplest algebraic form. It represents multiplying 5 by the reciprocal of 7a. None of the provided answer options match this expression. Option. A
Explanation:
The expression 5÷7a can be rewritten as 5÷7 × a or 5/7a. This is because division by a number is the same as multiplying by its reciprocal. Thus, we take the reciprocal of 7a to be (1/7)a or a/7, multiply it by 5, giving us 5a/7. This is how we denote division within algebraic expressions and simplifies the equation.
If the question is looking for an equivalent single-term expression, none of the given options (5×7b, 7÷5b, 7×1/5c, 35d, 5×1/7) are correct, as they are all different in terms of algebraic structure and value. However, if you're looking for an equivalent expression in the simplest algebraic form, the equivalent expression for 5÷7a is simply 5a/7.
f as a function of x is equal to the square root of quantity 5 x plus 7, g as a function of x is equal to the square root of quantity 5 x minus 7 Find (f + g)(x).
Answer:
(f+g)(x) = [tex]\sqrt{5x+7}+\sqrt{5x-7}[/tex]
Step-by-step explanation:
f(x) = [tex]\sqrt{5x+7}[/tex]
and g(x) = [tex]\sqrt{5x-7}[/tex]
We need to find (f+g)(x)
(f+g)(x) = f(x) + g(x)
(f+g)(x) = [tex]\sqrt{5x+7}+\sqrt{5x-7}[/tex]
It can't be further solved so,
(f+g)(x) = [tex]\sqrt{5x+7}+\sqrt{5x-7}[/tex]
what is the answer to (( 5 x 12)/3)+30-50
I believe the correct answer is 0
Step-by-step explanation:
To solve this question, we use an abbreviation formula called BODMAS which is:
B = Brackets
O = Of
D = Division
M = Multiplication
A = Addition
S = Subtraction
We solve each element that is available in the order of the abbreviated letter.
1. We solve the brackets:
[tex](5\times12) = 60[/tex]
2. We solve the second bracket:
[tex](60\div3) = 20[/tex]
The equation now is [tex]20+30-50[/tex]
3. We now solve addition first:
[tex]20+30=50[/tex]
4. Now we solve the subtraction:
[tex]50-50=0[/tex]
The answer then = 0
Answer:
The value of given expression is 0.
Step-by-step explanation:
We have to evaluate the given expression:
[tex]\bigg(\displaystyle\frac{(5\times 12)}{3}\bigg)+30-50[/tex]
We use the BODMAS rule to evaluate the given expression.
B-Bracket
O-of
D-Division
M-Multiplication
A-Addition
S-Subtraction
[tex]\bigg(\displaystyle\frac{(5\times 12)}{3}\bigg)+30-50\\\\=\bigg(\displaystyle\frac{60}{3}\bigg)+30-50\\\\=20+30-50\\\\=50-50\\\\=0[/tex]
The value of expression is 0.
determine the number of solutions the system has.
2x = 2y -6
y = x + 3
[tex]2x = 2y -6|\div 2\\y = x + 3 \\\\x=y-3\\y=x+3\\\\y=x+3\\y=x+3[/tex]
Both equations are identical, so there are infinitely many solutions.
Solve the system of equations by substitution.
x + y =
x + 7y = 8
Answer:
Lol I just took this text couple weeks ago. The answer is (1,1) Solve the system of equations by substitution.
3/8x + 1/3y = 17/24
x + 7y = 8
x = -7y + 8 and substituting it to the first equation
3/8x + 1/3y = 17/24
3/8(-7y + 8 )+ 1/3y = 17/24
Solving for the value of y = 1
And substituting y =1 to the second equation
X= 1
(1, 1)
Answer:
1,1
Step-by-step explanation:
Which inequality describes the graph
Answer:
y < 1/2x - 2
Step-by-step explanation:
Find the slope of the graph, we can find the slope of the graph by using the formula y2 - y1/x2 - x1. But in order to do so, we must find two perfect points.
Point 1: (0,-2)
Point 2: (4,0)
Now, we would put these points into the formula.
0 -(-2) = 2
4 - 0 = 4
2/4 = 1/2
Therefore, the slope of this graph is 1/2
Now we must find the y intercept, which can be found based on where the line intersects with a y coordinate (ex: 0,y). Based on that, we can come to the conclusion that -2 is our y-intercept
In order to proceed we must know what a linear equation is. A linear equation contains the following:
y = mx + b
m of mx represents the slope, you would leave x as it is.
b represents the y intercept
We have already found what each is, so we can go ahead and put in our slope and y-intercept into the linear equation.
y = 1/2x + -2
Because, we are dealing with an inequality problem, the equal sign must be replaced with an inequality sign and that is determined based on the area of the graph that is shaded.
Since, the graph is shaded downwards we will be using the "less than sign", in addition if you haven't noticed, the line is dotted so we will NOT be using any "equal to symbols"
So, after applying all of this together, we can conclude that the inequality that describes this graph is y < 1/2x - 2
Should you have any further questions, please let me know in the comment section below.
write the equations in logarithmic form 7^3=343
Step-by-step explanation: The base of the power in the original equation becomes the base of the log. So we have [tex]^{log}7[/tex].
Next, the exponent in the original equation goes on the other side of the equation and finally, the result in the
original equation goes inside the log.
So we have [tex]^{log}7[/tex] [tex]343[/tex] [tex]= 3[/tex] which is 7³ = 343 written in logarithmic form.
the logarithmic form of the equation [tex]7^3 = 343[/tex] is [tex]log_7(343) = 3[/tex]
To convert the exponential equation [tex]7^3 = 343[/tex] into logarithmic form we first identify the base of the exponent.
Here, the base is 7.
The exponent is 3 and the result is 343.
Using the logarithmic form formula, which is [tex]log_b(a) = c[/tex] where b is the base, a is the result, and c is the exponent, we can rewrite the equation. This gives us:
[tex]log_7(343) = 3[/tex]
Therefore, the logarithmic form of the equation [tex]7^3 = 343[/tex] is [tex]log_7(343) = 3[/tex]
A savings account earns 4% annual interest compounded quarterly. How much interest would $500 earn if it was invested for one year?
Amount obtained in Compound interest is given by :
[tex]\bigstar\;\;\boxed{\mathsf{Amount = Principal\bigg(1 + \dfrac{Rate\;of \;interest}{100}\bigg)^{Conversion\;periods}}}[/tex]
Note : Conversion period is the time from one interest period to the next interest period. If the interest is compounded annually then there is one conversion period in an year. If the interest is compounded semi-annually then there are two conversion periods in an year. if the interest is compounded quarterly then there are four conversion periods in an year.
Problem :
Given : $500 is invested for one year at 4% annual interest
[tex]\implies\boxed{\begin{minipage}{4 cm}\bigstar\;\;\textsf{Principal = 500}\\\\\bigstar\;\;\textsf{Time period = 1 year}\\\\\bigstar\;\;\textsf{Rate of interest = 4\%}\end{minipage}}[/tex]
As the question mentions the term ''compounded quarterly'', there are 4 conversion periods in a year.
If the interest is compounded quarterly, then the rate of interest per conversion period (quarter) will be :
[tex]\implies \mathsf{\left(\dfrac{1}{4} \times 4\%\right) = 1\%}[/tex]
Substituting all the values in the Amount formula of C.I, We get :
[tex]\mathsf{\implies Amount = 500\bigg(1 + \dfrac{1}{100}\bigg)^4}[/tex]
[tex]\mathsf{\implies Amount = 500\left(1 + 0.01\right)^4}[/tex]
[tex]\mathsf{\implies Amount = 500\left(1.01\right)^4}[/tex]
[tex]\mathsf{\implies Amount = 520.30}[/tex]
We know that : Interest = Amount - Principal
[tex]:\implies[/tex] Interest = 520.30 - 500
[tex]:\implies[/tex] Interest = $20.30
If $500 is invested in a savings account with a 4% annual interest rate compounded quarterly for one year, it would earn $20.04 in interest.
Explanation:To calculate the interest earned on a savings account, we can use the formula for compound interest: A = P(1 + r/n)^(nt), where A is the final amount, P is the principal amount (initial investment), r is the annual interest rate, n is the number of times interest is compounded per year, and t is the number of years. In this case, the principal amount is $500, the annual interest rate is 4% (or 0.04 as a decimal), the interest is compounded quarterly (so n = 4), and the investment period is one year (so t = 1).
Plugging the values into the formula, we get:
A = 500(1 + 0.04/4)^(4×1)
Simplifying the equation, we calculate that the final amount after one year is $520.04. To find the amount of interest earned, we subtract the initial investment ($500) from the final amount ($520.04):
Interest = $520.04 - $500 = $20.04.
Therefore, $500 would earn $20.04 in interest if invested for one year in a savings account with a 4% annual interest rate compounded quarterly.
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