The value of quantity demanded at unit price Gh¢10 is 450 units. b. The price to sell 200 units is Gh¢60. c. The price for 0 demand is Gh¢100. d. The quantity demanded at zero price is 500 units.
What is demand function?The link between the quantity demanded for a commodity (the dependent variable) and its price is represented by the demand function (independent variable).
a) At the price of Gh¢10 , then
Qd= 500 - 5P
Qd= 500 -5(10)
Qd= 500-50 = 450 units
The value of quantity demanded at unit price Gh¢10 is 450 units.
b) If there are 200 units,then
Qd= 500- 5P
200 = 500-5P
5P = 500-200
P= 300/5
P= Gh¢60
The price to sell 200 units is Gh¢60
c) if demand is zero, it mens Qd= 0
Qd= 500- 5P
0= 500-5P
5P= 500
P= Gh¢100
The price for 0 demand is Gh¢100.
d) If P= 0, then
Qd= 500-5P
Qd= 500-5(0)
Qd= 500 units
The quantity demanded at zero price is 500 units.
Hence, the value of quantity demanded at unit price Gh¢10 is 450 units. b. The price to sell 200 units is Gh¢60. c. The price for 0 demand is Gh¢100. d. The quantity demanded at zero price is 500 units.
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HELP
_____________________________
1. Pemba attempted 25 free throws. She made 12 of them and missed 13.
Show her free-throw results as a fraction. Explain why a fraction is a
useful way to show these statistics.
She made 12 out of 25 free throws, so in fraction it is expressed as 12/25. A fraction is useful here to show how many of her throws are successful compared to all the attempted throws.
A fraction is defined to be a part of a whole. It can also be defined as a numerical quantity that's not an integer. The parts of a whole or collection of things can be represented by a fraction. For instance, to cut a pie in half means we cut the pie so that there will be 2 halves of the pie.
A common fraction has two parts, which are the numerator and the denominator. The number above the line is the numerator, while the number under the line is the denominator. The numerator represents the parts and the denominator represents a whole collection.
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Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Match each quadratic equation with its solution set.
2x²8x+5=0
2x²9x-1=0
2x²
-
2x²9x+6=0
9+√33
4+√6
2
10x3=0
9+√89
2x²8x-3=0
Answer:
[tex]\dfrac{9\pm \sqrt{33}}{4} \longrightarrow \boxed {2x^2\:-\:9x+6=0}}[/tex]
[tex]\dfrac{4\pm \sqrt{6}}{2} \longrightarrow \boxed{2x^2 - 8x +5=0}[/tex]
[tex]\dfrac{9\pm\sqrt{89}}{4} \longrightarrow \boxed{2x^2\:-\:9x-1=0 }[/tex]
[tex]\dfrac{4\pm \sqrt{22}}{2} \longrightarrow \boxed{2x^2\:-\:8x-\:3=0}[/tex]
Step-by-step explanation:
Use a quadratic equation solver calculator
Here are the roots for each equation
Equation Roots
[tex]2x^2 - 8x +5=0\quad\quad\quad \quad \dfrac{4\pm \sqrt{6}}{2}[/tex]
[tex]2x^2\:-\:10x-\:3=0\quad\quad\quad \dfrac{5\pm \sqrt{31}}{2}[/tex]
[tex]2x^2\:-\:8x-\:3=0\quad\quad\quad \dfrac{4\pm \sqrt{22}}{2}[/tex]
[tex]2x^2\:-\:9x-1=0 \quad\quad\quad \dfrac{9\pm\sqrt{89}}{4}[/tex]
[tex]2x^2\:-\:9x+6=0\quad\quad\quad \dfrac{9\pm \sqrt{33}}{4}[/tex]
The quadratic equations are solved and the tiles are matched with the following equations
a) 2x²- 8x + 5 = 0 → x = ( 4 ± √6 ) / 2
b) 2x² - 8x - 3 = 0 → x = ( 4 ± √22 ) / 2
c) 2x² - 9x - 1 = 0 → x = ( 9 ± √89 ) / 4
d) 2x² - 9x + 6 = 0 → x = ( 9 ± √33 ) / 4
What is Quadratic Equation?A quadratic equation is a second-order polynomial equation in a single variable x , ax² + bx + c=0. with a ≠ 0. Because it is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has at least one solution. The solution may be real or complex.
The roots of the quadratic equations are
x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )
where ( b² - 4ac ) is the discriminant
when ( b² - 4ac ) is positive, we get two real solutions
when discriminant is zero we get just one real solution (both answers are the same)
when discriminant is negative we get a pair of complex solutions
Given data ,
Let the quadratic equation be represented as A
Now , the value of A is
a)
2x²- 8x + 5 = 0
The roots of the quadratic equations are
x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )
x = ( 4 ± √6 ) / 2
b)
2x² - 8x - 3 = 0
The roots of the quadratic equations are
x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )
x = ( 4 ± √22 ) / 2
c)
2x² - 9x - 1 = 0
The roots of the quadratic equations are
x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )
x = ( 9 ± √89 ) / 4
d)
2x² - 9x + 6 = 0
The roots of the quadratic equations are
x = [ -b ± √ ( b² - 4ac ) ] / ( 2a )
x = ( 9 ± √33 ) / 4
Hence , the quadratic equations are solved
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1 6/11 ft of fabric is needed to make a rug? while 4 1/2 ft of fabric is required to make pillows/ Producing a rug is 2 2/7 times faster than pilliws/ How much more fabric is needed to make pillows versus a rug
3.1 ft more fabric should be produced to make pillows versus a rug.
What is a fraction?A fraction is a number expressed in the form of {x/y}, where y ≠ 0.
Given is that 1[tex]\frac{6}{11}[/tex] ft of fabric is needed to make a rug while 4[tex]\frac{1}{2}[/tex] ft of fabric is required to make pillows. Producing a rug is 2[tex]\frac{2}{7}[/tex] times faster than pillows.
We can write -
1[tex]\frac{6}{11}[/tex] x 4[tex]\frac{1}{2}[/tex] = 2[tex]\frac{2}{7}[/tex] x {y}
{17/11 x 9/2} = {16/7 y}
{y} = {6.96 x 7}/16
{y} = 3.1
Therefore, 3.1 ft more fabric should be produced to make pillows versus a rug.
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Raina, Kareem, and Eric have a total of $138 in their wallets. Raina has 6 more than Kareem. Eric has 4 times what Kareem has. How much does each have?
Kareem has $22, Raina has $28, Eric has $88.
What is Algebra?A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.
Variables are the name given to these symbols because they lack set values.
In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.
Given:
Raina, Kareem, and Eric have a total of $138 in their wallets.
let Kareem has x dollar.
Then Raina has (x+6) dollar
and, Eric has 4x dollar
So, x+ 4x + x + 6 = 138
6x + 6 = 138
6x = 132
x= 22
Thus, Kareem has $22.
Raina has = 22 +6 = $28
and, Eric has =4x = $88
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What is the constant proportional of 1.5 and 3.9
The constant of proportionality is the ratio between two quantities that are in proportion. If two quantities are proportional, their ratio is always the same, and this constant ratio is called the constant of proportionality.
Given the two quantities 1.5 and 3.9, the constant of proportionality can be found by dividing one by the other:
k = 3.9 / 1.5
k = 2.6
So the constant of proportionality between 1.5 and 3.9 is 2.6.
Fill in each blank so that the resulting statement is true.
The shaded set of numbers shown on the y-axis on the graph can be expressed in interval notation as _______. This set represents the function's _______.
The shaded set of numbers shown on the y-axis on the graph can be expressed in interval notation as interval notation as
{y∣-11≤y<∞} or [-11,∞). This set represents the function's range.
How to explain the informationEndpoints that are part of an interval are indicated by square brackets. Endpoints that are not part of an interval are indicated by parentheses. When using or, parentheses are always used.
As a result, the set of shaded numerals displayed on the interval notation can be used to express the y-axis as {y∣-11≤y<∞} or [-11,∞)
This set displays the functional domain.
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Please help me thank you
All the correct points lie on line f (x) = - 3x - 5 are (3, - 14)
What is Coordinates?A pair of numbers which describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines is called the coordinates.
We have to given that;
The equation of line is,
⇒ f (x) = - 3x - 5
Now, All the correct points that lie on line are satisfy the line.
For point (5, - 21);
⇒ f (x) = - 3x - 5
⇒ - 21 = - 3 × 5 - 5
⇒ - 21 = - 15 - 5
⇒ - 21 ≠ - 20
For point (3, - 14);
⇒ f (x) = - 3x - 5
⇒ - 14 = - 3 × 3 - 5
⇒ - 14 = - 9 - 5
⇒ - 14 = - 14
For point (0, - 6);
⇒ f (x) = - 3x - 5
⇒ - 6 = - 3 × 0 - 5
⇒ - 6 = - 0 - 5
⇒ - 6 ≠ - 5
For point (-5, 8);
⇒ f (x) = - 3x - 5
⇒ 8 = - 3 × - 5 - 5
⇒ 8 = 15 - 5
⇒ 8 ≠ 10
For point (-3, 5);
⇒ f (x) = - 3x - 5
⇒ 5 = - 3 × - 3 - 5
⇒ - 5 = 9 - 5
⇒ - 5 ≠ 4
Thus, Point (3, - 14) lie on the line.
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Shipping costs $6 on purchases up to $50, $8 on purchases over $50 and up to $100, and $10 on purchases over $100 and up to $200. Write a function for the cost C (x) of shipping based on the purchase price x.
Answer:
f(x) = {
C(x) = 6, 0 < x ≤ 50
C(x) = 8, 50 < x ≤ 100
C(x) = 10, 100 < x ≤ 200
}
Step-by-step explanation:
Naomi had a total of 168 apps on her phone. She recognized that 25% of the apps were games. How many game apps did Naomi have on her phone? 42 43 57 84
Answer: 42
Step-by-step explanation: 165 x .25 = 42
Answer:
42
Step-by-step explanation:
If Naomi has 168 apps, then 100% is equal to 168 (since that's all her apps)
If 25% of these apps are games, then 25% is equal to x
If we multiply the number of total apps by the percentage of games, we'll find the total number of game apps
First change the percentage into a decimal:
25% = 0.25
Then multiply:
168 * 0.25 = x
Simplify:
x = 42
Another way you can do this is by realizing that 0.25 is equal to 1/4. If 168 is multiplied by 1/4, then that means the resulting equation is:
168/4 = x
x results in the same answer as the previous way:
x = 42
Two companies, Apple and Samsung, have recently conducted aggressive advertising campaigns to maintain and possibly increase their respective shares of the market for mobile phones. Before the advertising campaigns began, the market share of Apple was 45%, whereas Samsung had 40% of the market. Other competitors accounted for the remaining 15%. To determine whether these market shares changed after the advertising campaigns, a marketing analyst solicited the preferences of a random sample of 200 customers of mobile phones. His finding is as follows. Mobile phone brands Number of customers preferred the brand Apple 102 Samsung 82 Others 16 Can the analyst infer at the 5% significance level that customer preferences have changed from their levels before the advertising campaigns were launched?
The degrees of freedom for this test are (3 - 1) = 2. With a 5% significance level and 2 degrees of freedom, the critical value for a chi-squared distribution is 5.991.
How solve the problem?
To determine whether customer preferences have changed, the analyst can conduct a hypothesis test. The null hypothesis is that customer preferences have not changed, and the alternative hypothesis is that customer preferences have changed.
The test statistic used to test this hypothesis is a chi-squared statistic. The formula for the chi-squared statistic is:
X² = ∑((O - E)² / E)
where O is the observed frequency, and E is the expected frequency based on the null hypothesis.
The expected frequency for Apple is 200 * 0.45 = 90, for Samsung is 200 * 0.40 = 80, and for others is 200 * 0.15 = 30.
Calculating the chi-squared statistic:
X² = ∑((102 - 90)² / 90) + ((82 - 80)² / 80) + ((16 - 30)² / 30) = (12² / 90) + (2² / 80) + (14² / 30) = 144 / 90 + 4 / 80 + 196 / 30 = 2.56 + 0.05 + 6.53 = 9.14
The degrees of freedom for this test are (3 - 1) = 2. With a 5% significance level and 2 degrees of freedom, the critical value for a chi-squared distribution is 5.991.
Since 9.14 > 5.991, the analyst can reject the null hypothesis and conclude that customer preferences have changed from their levels before the advertising campaigns were launched.
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What is the volume of the composite figure shown below? 15 mm 13 mm 15 mm 3 mm 12 mm O 1,008mm^3 O 2,412mm^3 O 2,880mm^3 O 3,465mm^3
The volume of the composite figure is: 2,412 millimeters cubed.
How to find the Volume of the composite figure?
Dimension of top rectangular prism:
Volume of top rectangular prism = 13× 12× 12
Volume of top rectangular prism = 1872 mm³
Dimension of bottom rectangular prism:
Volume of bottom rectangular prism = 15× 12× 3
Volume of bottom rectangular prism = 540 mm³
Volume of the composite figure = 1872 + 540
Volume of the composite figure = 2412 mm³
Therefore the volume of the composite figure is 2412 mm³.
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O) The ratio of students wearing sneakers to students wearing something else is 8:2. If there
are 18 more kids wearing sneakers, how many are wearing sneakers?
****
How do I solve this? My 11y/o doesn’t have a text book for me to explain it to me
An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value. For instance, you could express the ratio as follows: 1: 3 if there is 1 boy and 3 girls (for every one boy there are 3 girls)
What is the 12 to 8 ratio?Convert the ratio to a fraction, multiply it by a common factor, and divide it again to obtain the corresponding ratio of 6:4. Therefore, 12/8 is the same as 6:4.
What is the ratio and proportion formula?Any two quantities can be compared using the ratio formula a: b a/b. The ratio, on the other hand, proportion formula is expressed as a:b::c:d⟶ab=cd a : b :: c : d ⟶ a b = c d
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K
A recipe for soup calls for 4 tablespoons of lemon juice and cup of olive oil. The given recipe serves 2 people, but a cook wants to make a larger batch that serves 20.
a) How many cups of lemon juice will the chef need for the larger batch?
b) How many pints of olive oil will the che need for the larger batch?
a) The chef needed
cups of lemon juice for the larger batch.
(Type a whole number, proper fraction, or a mixed number.)
Answer: A) 2 and a half B) 5 pints
Step-by-step explanation:
in 1 cup there are 16 table spoons.
a) 4tbsp (2 servings) times 10 (to reach 20 servings) =40 tbsp
40/16 =2.5
ANSWER A= 2 and a half cups of lemon juice.
in 1 pint there are 2 cups.
b)
1 cup = 1/2 a pint,
1/2 pint (2 servings) times 10 (to reach 20 servings) = 5 pints
ANSWER B= 5 pints of olive oil
Two plants that are pure bred are crossed. One is short and one is tall, Tall is dominant. What are the expected phenotypes for the offspring?
A. All tall
B. All short
C. Half short, half tall
D. All medium height
The expected phenotypes for the offspring is All tall.
What is Phenotype?Mendel came to the conclusion that some features predominated over other inherited traits when he noticed that a heterozygote offspring might exhibit the same phenotype as the parent homozygote. However, the connection between genotype and phenotype is rarely as straightforward as Mendel's descriptions of dominant and recessive patterns.
Given:
One is short and one is tall, Tall is dominant.
When two plants that are tall and short are crossed. They would all produce tall plants as a result, T.
The first crossing produced these children.
As a result of their parents' TT and SS genes, they all now have TS genes.
There will be some towering and some short off springs when these off springs are crossed. TS and TS will cross at this location. Given that they are all genetically tall and short.
So, The ratio of tall to short children they would have according to Mendel is 3:1.
Hence, almost All are tall.
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determine whether each statement about Jordan's fruit cups is true or false?
The solution of the Jordan's system is 3/2 and -1.
What is Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given:
y = 2x² + 3..............(1)
y – x = 6
y= 6 +x ..............(2)
Put the value from (2) in equation (1) we get
y = 2x² + 3
6+ x = 2x² + 3
2x² + 3 -6 -x = 0
2x² - x - 3 = 0
2x² -3x + 2x -3= 0
x( 2x-3) +1 (2x-3)= 0
(2x- 3)(x+1)= 0
x= 3/2, -1.
Hence, the value is 3/2, -1.
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The Question you have attaches seems to incomplete/ inappropriate.
the complete question is
Jordan is solving this system of equations: y = 2x2 + 3 and y – x = 6. Which statements are true about Jordan’s system? Check all that apply.
You are getting on a plane to visit family 1200 miles away. The plane you are boarding will travel on
average 500 miles per hour. How long will the trip take you?
Answer:
Step-by-step explanation:
2 hrs 12 mins
Please help and thank you in advance
Answer:
A. y = -3x + 2
Step-by-step explanation:
Slope of a line perpendicular to another line is the negative reciprocal of the slope of the other line.
1/3 → -3/1
4
10. Given the function below, what is f(-6)-f(9)?
2x
15
x odd
[|x, xeven
f(x)=3
MATH - 1
PART 1
The domain of the composite function f(-6) - f(9) for the function f(x) = 2x + 15 is equal to -30.
What is composite function?A function is composite when the co- domain of the first mapping is the domain of the second mapping
We shall evaluate the domain of the function f(-6) - f(9) as follows:
f(-6) = 2(-6) + 15 {put -6 for x }
f(-6) = -12 + 15
f(-6) = 3
f(9) = 2(9) + 15 {put 9 for x }
f(9) = 18 + 15
f(9) = 33
f(-6) - f(9) = 3 - 33
f(-6) - f(9) = -30
Therefore, the domain of the composite function f(-6) - f(9) for the function f(x) = 2x + 15 is equal to -30.
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Possible question:
Given the function f(x) = 2x + 15. What is f(-6) - f(9)?
The cheerleaders are having a fundraiser for new uniforms. They are selling pizzas at the football game on Friday night. The cheerleading coach put an amount of money in the money box before the sale to use for change. During the game, the cheerleaders take turns selling pizzas. When the girls finish their turn selling, they chart the ongoing total pizza sales and money in the box. Some of the data are shown below. PLEASE PLEASE HELP
Answer: pls see the analysis.
Step-by-step explanation:
5 What is the solution for y in the following system of equations?
7x + 2y = 8
-
7x+6y= -88
Answer:
working on a answer one second
Step-by-step explanation:
PLS HELP!! Write an equation for the function graphed above
y=
The trigonometric function equation obtained for the graph is y = 4 sec (πx) - 2.
What is trigonometric function?
Simply put, trigonometric functions also referred to as circular functions are the functions of a triangle's angle. This means that these trig functions provide the relationship between the angles and sides of a triangle.
The upper waver have a value of y = 2 and the lower waves have a value of y = -6.
Add the points and divide by 2 -
[2 + (-6)] / 2
(2 - 6) / 2
-4 / 2
-2
Therefore, the midline is y = -2.
The vertical asymptotes are drawn and they intersect the midline at certain points.
Then the sinusoidal function is drawn using the intersection point.
There is one period of sinusoidal function that is starting from x = 0 and goes upto x = 2.
This pattern tells that the function is of cosine.
Then the graph will be of trigonometric function secant .
The value of C = -2 , A = 4, D = 0
Here C is the midline value, A is the points above and below the midline, D is the horizontal shift and 2π/B is the period.
Now, 2π/B = 2
2B = 2π
B = π
Now, use the formula -
y = A cos (B(x - D)) + C
y = 4 cos (π(x - 0)) - 2
y = 4 cos (πx) - 2
y = 4 sec (πx) - 2
Now plot the graph for the obtained function.
The graph is same as given in the question.
Therefore, the function is y = 4 sec (πx) - 2.
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(100 POINTS!) What is the measure of each interior angle of the regular polygon pictured below? If necessary, round to the nearest tenth.
Answer: All angles of the regular polygon in the image are 90 degrees
Step-by-step explanation: Hello!
All interior angles of a four-sided polygon add up to 360 degrees. Since this is a square, all interior angles are congruent. There are four interior angles that are congruent and they all add up to 360 degrees. This can be represented by the equation:
s (side) x 4 = 360
Divide each side by 4 by the division property of equality.
s x 4/4 = 360/4
s = 90 degrees.
Each angle of the polygon is 90 degrees.
"The common property for all [] four-sided shapes is the sum of interior angles is always equal to 360 degrees. For a regular quadrilateral such as square, each interior angle will be equal to: 360/4 = 90 degrees."
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Answer:
The measure of each interior angle of the regular polygon pictured below is 151.7°. This can be calculated using the formula 180n - 360, where n is the number of sides of the polygon. In this case, n = 8, so the measure of each interior angle is 180(8) - 360 = 151.7°.
Josh rode his bike 11.4 miles. Claire rode her bike 6.8 miles. Which explains how mental math can be used to find how much farther Josh rode than Claire?
A. Round 11.4 to 11. Round 6.8 to 7. Then subtract 7 from 11 to get 4. Josh rode 4 miles farther than Claire.
B. Add 0.2 to 6.8 to get 7. Subtract 7 from 11.4 to get 4.4. Then add 0.2 to 4.4 to get 4.6. Josh rode 4.6 miles farther than Claire.
C. Subtract 0.4 from 0.8 to get 0.4. Subtract 6 from 11 to get 5. Then add 0.4 to 5 to get 5.4. Josh rode 5.4 miles farther than Claire.
D. Round 11.4 to 11. Round 6.8 to 7. Then subtract 7 from 11 to get 4. Then add 0.4 and 0.8 to 4 to get 5.2. Josh rode 5.2 miles farther than Claire.
The statement that explains how mental math can be used to find how much farther Josh rode than Claire is that to round 11.4 to 11. Round 6.8 to 7. Then subtract 7 from 11 to get 4. Josh rode 4 miles farther than Claire. That is option A.
What is the use of mental maths?The use of metal maths is simply the calculation of a given mathematical problem without the use of an aid such as electronic devices.
The number of miles covered by Josh = 11.4 miles
The number of miles covered by Claire = 6.8 miles
To use mental maths, the values are rounded up to the nearest whole number and the difference between the two are gotten.
That is;
11.4 = 11
6.8 = 7
Therefore the difference in the distance between the two individuals = 11-7 = 4 miles.
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Simplify the expression:
2.5(6.1 - 2.3h)
Answer:
15.25 - 5.75 h
this my be it but i'm not shore
Anita purchased a stuffed animal for $10.04. The cashier gave Anita $4.76 in change. How much money did Anita give the cashier?
Answer:
14.8
Step-by-step explanation:
Answer: Anita gave $14.80 to the cashier.
Step-by-step explanation:
Add $10.04 and $4.76 together to find your total.
$10.04 + $4.76 = $14.80
Meaning, Anita gave $14.80 to the cashier.
solve
2x + y = -3
3x - 2y= -22
Answer: x = -4
Step-by-step explanation: Multiply both sides of the top equation by 2 so you can cancel the y's.
4x + 3x = -28.
7x = -28
x = -4
If a family borrows $12,843 for an addition to their home, and the loan is to be paid off in monthly payments over a period of 5 years, how much should each payment be? (Interest has been included in the total amount borrowed.)
The monthly payments over a period of 5 years is $214.05.
What is fixed rate mortgage?A fixed-rate mortgage is a home loan option with a specific interest rate for the entire term of the loan. Essentially, the interest rate on the mortgage will not change over the lifetime of the loan and the borrower's interest and principal payments will remain the same each month.
Given that, a family borrows $12,843 for an addition to their home.
The loan is to be paid off in monthly payments over a period of 5 years
We know that, 5 years = 60 months
Now, monthly payment = Total money/Number of months
= 12,843/60
= $214.05
Therefore, the monthly payments over a period of 5 years is $214.05.
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Ted places $1500 in a ten-year certificate of deposit (CD) account at a local bank. The CD account earns interest, compounded annually, at the same rate for 10 years. Let A(n) represent the amount, in dollars, in Ted's account after n years between n = 0 to n = 10. Part A: Write an explicit expression for the function A(n) if Ted's account has $1535.25 after 1 year. Part B: Explain how you determined your answer.
Part A. An explicit expression for the function A(n), the final amount (future value) after n years is 1,500 x 1.0235^n.
Part B. The function for determining the future value of the CD at 2.35% annual compounded interest rate is derived by comparing the present value and the future value and using the difference to calculate the compound interest rate.
What is the future value?The future value is the present value compounded at an interest rate.
The future value formula or function is as follows:
FV = PV(1+r)^{n}
FV = future value
PV = present value
r = annual interest rate
{n} = number of periods interest held
Initial deposit in a ten-year certificate of deposit (CD) = $1,500
Deposit period = 10 years
Amount after 1 year = $1,535.25
Compound interest rate = 2.35% annually ($1,535.25 - $1,500)/$1,500 x 100)
Function for A(n) = 1,500 x 1.0235^n
Thus, from the future value after 1 year, we can derive the compound interest rate.
Learn more about the future value function or formula at https://brainly.com/question/29008543.
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Solve. Show work.
log3 5 + log3 x = log3 35
Answer:
X=7
Step-by-step explanation:
To solve this equation, we need to use the logarithmic properties. First, we can use the property loga(bx) = x loga(b) to rewrite the equation:
log3(5) + log3(x) = log3(35)
This can be rewritten as:
log3(5x) = log3(35)
Using the property loga(b) = c, we can re-write the equation as:
x = 35/5
Now, we can calculate the value of 35/5:
35/5 = 7
Therefore, the solution to the equation is x = 7.