In 2009, a principal of $3600 was invested at 3.75% interest, compounded annually. let t be the number of years since 2008. let y be the value of investment, in dollars. Write an exponential function showing the relationship between y and t.

Answers

Answer 1

Answer:

3,600 x (1.0375) ^ 1

Step-by-step explanation:

Compund interest formula.

IA * (r + 1) ^t

IA = Initial amount; r = rate (as decimal); t = time (in years)

IA = 3600

r = .0375

t = 1 (2008-2009)

3,600 x (1.0375)^1

-- Gage Millar, Algebra 1/2 Tutor, (Pending Pre-Calc Tutor)


Related Questions

The graph of the fourth-degree polynomial function f (x) is shown in the coordinate plane below. Based on the graph, which of the following are linear factors of f (x). Select all that apply. A. (x - 2) B. (x - 3) C. (x + 2) D. (x - 5) E. (x + 1)

Answers

The linear factors of the function are the x-intercepts which are (x + 5), (x + 2), (x - 1) and (x - 6)

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Given the graph of the function. The linear factors of the function are the x-intercepts which are (x + 5), (x + 2), (x - 1) and (x - 6)

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what is 250/100 as a whole number?

Answers

Answer:

Unless im being completely braindead right now there isn't a whole number that works with this. When simplified its 5/2 or 2.5 but because it isn't an actual whole number (like 2, 4 and 6) they don't count.

Answer:

between two whole numbers 2 and 3 or just 3.

Step-by-step explanation:

The answer to 250/100 would be 2.5 but that is a decimal and not a whole number. You couod round 2.5 to 3 to make it a whole nunber or you say that it is in between two whole nunbers which are 2 and 3 if you are allowed to. (since 2.5 alone is not a whole number)

Amazing Gadget Corporation has determined a quadratic relationship between its selling price for its newest tablet and the company's daily profit. Which of the following would be a reasonable estimate of the rate of change for the interval 300 ≤ x ≤ 400?

Answers

A reasonable estimate of the rate of change for the interval

300 ≤ x ≤ 400 considering if the company is making a profit=2.

Consider the Quadratic relationship, between the selling price for its newest tablet and the company's daily profit is given,

f(x)= a x² + b x + c

Differentiating once

f'(x)= 2 a x + b

As we have to find the rate of change for the interval 200 ≤ x ≤ 300.

So,[tex]f(300)= 2 a \times 300 + b= 600a+b[/tex]

[tex]f(400)= 2 a \times 400 + b= 800 a + b[/tex]

Rate of change for the interval 300 ≤ x ≤ 400

What is the formula for the rate of change?

[tex]=\frac{f(b)-f(a)}{b-a}[/tex]

[tex]=\frac{800 a + b-(600 a + b)}{400-300} \\=\frac{800 a + b-600 a -b)}{100}\\\\=\frac{(200 a )}{100}\\\\=2a[/tex]

As considering, if the company is going through Profit, when the selling of the tablet is in the interval (300 ≤ x ≤ 400),

So, a Reasonable estimate of the rate of change for the interval 300 ≤ x ≤ 400 considering if the company is making a profit=2

Option (A).

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30 points!!!
The dot plot below shows the hourly rate of some babysitters in a city:

A number line is shown from 1 dollar to 7 dollars in increments of 1 dollar for each tick mark. The horizontal axis label is Dollar per hour. There are 2 dots above 4 dollars, 3 dots above 5 dollars, 3 dots above 6 dollars, and 2 dots above 7 dollars. The title of the line plot is Babysitting Rates.

Which statement best describes the shape of the data?

A. It is symmetric and has no gaps.
B. It is not symmetric and has a peak at $7.00.
C. It is a cluster from $1.00 to $7.00 and has no gaps.
D. It is a cluster from $1.00 to $7.00 and has a peak at $6.00.

Answers

From the given choices, the answer is option A: It is symmetric and has no gaps.

How can we describe a number line?

A number line is shown from 1 dollar to 7 dollars in increments of 1 dollar for each tick mark.

The horizontal axis label is Dollar per hour.

There are 2 dots above 4 dollars, 3 dots above 5 dollars, 3 dots above 6 dollars, and 2 dots above 7 dollars.

The title of the line plot is Babysitting Rates.

A dot plot is the same as a histogram but it uses dots instead of bars.

The dot plot as described by the problem is shown in the picture.

A bell shape is drawn for symmetrical data.

From the given choices, the answer is option A: It is symmetric and has no gaps.

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3 lines are shown. A line with points T, R, W intersects with a line with points S, R, V at point R. Another line extends from point R to point U in between angle V R W.
Which pair of angles are vertical angles?

Answers

Answer:

  ∠TRV and ∠WRS  or  ∠TRS and ∠WRV

Step-by-step explanation:

Vertical angles are angles that share a vertex and have sides that are opposite rays. That is, the opposites of the rays that form one of the angles are the rays that form the other angle.

__

Where lines cross, two pairs of vertical angles are formed. In your diagram, those pairs are ...

  ∠TRV and ∠WRS . . . . one vertical angle pair

  ∠TRS and ∠WRV . . . . another vertical angle pair

_____

Additional comment

In this diagram, the ray RU is of no consequence with respect to any vertical angles. It can be ignored.

The vertical angles will each have one red ray and one blue ray as sides. These rays have end point R. No sides are shared.

please help i’ll give brainliest

Answers

The missing length in triangle A given the similarity between the two triangles is 18.67

Solving triangles using ratio

Triangle A is similar to triangle B

Triangle A:

Side 1 = (x + 2)Side 2 = 14

Triangle B:

Side 1 = 8Side 2 = 6

Ratio of side 1 to side 2 of the triangles respectively

(x + 2) : 8 = 14 : 6

(x + 2) / 8 = 14/6

cross product

(x + 2) × 6 = 8 × 14

6x + 12 = 112

6x = 112 - 12

6x = 100

x = 100/6

x = 16.67

Therefore, Triangle A:

Side 1 = (x + 2)

= 16.67 + 2

= 18.67

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The total amount earned from a savings account is modeled by the expression p(1.015)^12t
where P represents the principal compounded monthly and t is the time in years. Which expression represents the approximate interest rate compounded quarterly?

Answers

Answer:

hope you can understand

help with addition for child 324+423

Answers

Answer:

747

Step-by-step explanation:

Have a great day!!

Step-by-step explanation:

the answer for this is 747

Amy has $5000 to invest. She plans to invest part of the money at 10% and part at 13%. She wants her total interest to be $590. How much should she invest at each rate?

Answers

The amount invested in the account that earns 10% interest  is $2000.

The amount invested in the account that earns 13% interest  is $3000.

What are the linear equations that represent the question?

a + b = 5000 equation 1

0.1a + 0.13b = 590 equation 2

Where:

a = amount invested in the account that earns 10% interest b = amount invested in the account that earns 13% interest

How much was invested in the account that earns 13% interest ?

Multiply equation 1 by 0.1

0.1a + 0.1b = 500 equation 3

Subtract equation 3 from equation 1

90 = 0.03b

Divide both sides by 0,03

b = $3000

How much was invested in the account that earns 10% interest ?

Subtract $3000 from $5000: 5000 - 3000 = $2000

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Please help me please

Answers

Answer:

4. false 1 is nor prime nor composite

Which linear inequality is graphed in the figure

Answers

Answer:

A) y < 1/3x - 2

Step-by-step explanation:

Twenty Three more than a number is 68 . what is the number​

Answers

Answer:

the answer is 45.

Step-by-step explanation:

45 + 23 = 68.

What is the slope of the line graphed below?
(-2,2)
(3, 1)

Answers

Answer:

-1/5

Step-by-step explanation:

To find the slope, the formula is y2-y1/x2-x1

1-2/3-(-2) = -1/5

Answer:

‐1/5

Step-by-step explanation:

hope this helps!!!!

A ladder is resting against a wall. The top of the ladder touches the wall at a height of 9 ft. Find the length of the ladder if the length is 3 ft more than its distance from the wall.

Answers

Answer:15

Step-by-step explanation:

A ladder is resting against a wall.The top of the ladder touches the wall at a height of 9 feet.Find the length of the ladder if the length is 3 feet more than its distance from the wall.

Let the distance of the ladder from the wall be x

The length of the ladder = x+3

The ladder touches the wall at a vertical height of 9 feet.

(x+3)^2 = x^2 + 9^2 ( using the pythagoras theorem

x^2 + 6x+ 9 = x^2 + 81

x^2- x^2 +6x = 81-9

6x= 72

x= 12

Therefore the length of the ladder will be x+3 = 12 + 3 =15 Answer.

What is the domain of the function graphed below?
OA.{x\x = −2,1}
OB. (x | x-2,-1, 1)
OC. {x|x-1,}
OD. {x|x-1, 1}

Answers

From the graph, the domain of the function will be {x| x = −2,1}. Then the correct option is D.

What is an asymptote?

An asymptote is a line that constantly reaches a given curve but does not touch at an infinite distance.

From the graph, the domain of the function will be

The function is not defined for x = 2 and x = -1.

Then the domain will be

{x| x = −2,1}

Then the correct option is D.

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Which set represents the same relation as the graph below?

A coordinate plane has 7 points. The points are (negative 5, 4), (negative 3, negative 2), (negative 1, negative 2), (2, 0), (3, 3), (4, 5), (6, negative 4).

StartSet (4, negative 5), (negative 2, negative 3), (Negative 2, negative 1), (0, 2), (3, 3), (5, 4), (negative 4, 6) EndSet
StartSet (negative 5, 4), (negative 3, negative 2), (negative 1, negative 2), (2, 0), (3, 3), (4, 5), (6, negative 4) EndSet
StartSet (negative 5, 4), (negative 3, negative 1), (3, 3), (4, 5), (6, negative 4) EndSet
StartSet (4, negative 5), (negative 3, 2), (negative 1, 2), (2, 0), (4, 5), (6, 4) EndSet

Answers

The set that represents the same relation as the graph given is: B. (-5, 4), (-3, -2), (-1, -2), (2, 0), (3, 3), (4, 5), (6, -4).

What is a Relation?

A relation is defined as a relationship between the input and output, which can be displayed on a graph on a coordinate plane.

From the graph as shown in the image attached below,

The set that has same coordinate points as indicated on the graph is:

B. (-5, 4), (-3, -2), (-1, -2), (2, 0), (3, 3), (4, 5), (6, -4).

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a store owner wishes to make a new tea with a unique flavor by mixing black tea and oolong tea. if he has 35 pounds of oolong tea that sells for 2.40 per pound, how much black tea worth 1.80 per pound must he mix with it so that he can sell the final mixture for 2.10 per pound

Answers

35 pounds of black tea is needed to be mixed to get the final mixture for 2.10 per pound

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Let x represent the amount of black tea worth 1.80 per pound to be mixed to get the final mixture for 2.10 per pound, hence:

2.4(35) + 1.8(x) = 2.1(x + 35)

x = 35 pounds

35 pounds of black tea is needed to be mixed to get the final mixture for 2.10 per pound

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Find equivalent expressions of 3+2x−9−4x+11+5x−x.

Answers

The equivalent expression of the given expressions is 2x + 5.

What are Expressions?

Expressions are statements which consist of two or more terms and terms are connected to each other using mathematical operators like addition, multiplication, subtraction and so on.

The given expression is,

3 + 2x - 9 - 4x + 11 + 5x - x

There are like terms in the expression, which can be operated together.

Write terms with variables together and the constants together.

3 + 2x - 9 - 4x + 11 + 5x - x

= (2x - 4x + 5x - x) + (3 - 9 + 11)

= 2x + 5

Hence the given expression can be simplified to 2x + 5.

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(2.01)A polygon is shown on the graph:
If the polygon is translated 3 units down and 4 units left, what will the coordinates of the new image be? Use prime notation in expressing the new coordinates.

Answers

Answer:

see picture for the coordinates

A’ = -2,-4

B’ = -3,-7

C’ = -1,-8

D’ = 1,-6

Step-by-step explanation:

add the translation coordinates to the original to get new coordinates

Answer:

Given translation:

4 units left3 units down

Therefore,

To translate a point 4 units left, subtract 4 units from the x-value. To translate a point 3 units down, subtract 3 units from the y-value.

⇒ (x, y)  →  (x - 4, y - 3)

Calculations

A (2, -1) ⇒ (2 - 4, -1 - 3) = A' (-2, -4)

B (1, -4) ⇒ (1 - 4, -4 - 3) = B' (-3, -7)

C (3, -5) ⇒ (3 - 4, -5 - 3) = C' (-1, -8)

D (5, -3) ⇒ (5 - 4, -3 - 3) = D' (1, -6)

Therefore, the new coordinates using prime notation are:

A' (-2, -4)B' (-3, -7)C' (-1, -8)D' (1, -6)

Which operations can be applied to a matrix in the process of Gauss-Jordan elimination?

replacing a row with twice that row
replacing a row with the sum of that row and another row
replacing a row with three times another row
swapping rows
replacing a row with the absolute values of that row

Answers

Operations that can be applied to a matrix in the process of Gauss-Jordan elimination are options 1,2 and 4.

What is gauss Jordan's elimination?

Gauss-Jordan Elimination is a matrix-based technique for solving linear equations or determining a matrix's inverse.

When using Gauss Jordan elimination, the following operations may be carried out on a matrix:

1. Replacing a row with twice that row

2. Replacing a row with the sum of that row and another row

3. Swapping row

The optional row(or column) procedures that can be employed are:

1. Alternate any two rows (or columns)

2. Scalar multiples of one row (column) are added or subtracted from another row (column) occurs when a row is substituted with the sum of another row and that row.

3. Multiply any row (or column) fully by a nonzero scalar, as seen below by substituting a row with two rows.

Hence, Gauss-Jordan elimination includes options 1,2, and 4.

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8. Resuelve los siguientes problemas:
a) Cinco trabajadores de una empresa reci-
ben salarios de $1 200, $1 500, $1 600,
$1 300 y $2 500. ¿Cuál es el promedio
salarial?

Answers

see the attachment photo!

Multi choice choose the rule for the table year 8 level maths

Answers

Answer:

second option, x + 2y = 3

Step-by-step explanation:

The slope intercept form is y = mx + b

y = y coordinate

m = slope

x = x coordinate

b = y intercept

The y - intercept is when x = 0

In the table its shown that (0, 3), y = 3 so b = 3

The slope (gradient) is a number that describes both the direction and the steepness of the line.

slope = rise / run = [tex]\frac{y_{2} - y_{1} }{x_{2} - x_{1} }[/tex]

(x_1, y_1)   = coordinates of first point in the line

(x_2, y_2)  = coordinates of second point in the line

x is increasing by 1 (run)

y is decreasing by 2 (rise)

rise / run = -2 / 1 = -2

so the slope is -2

our slope intercept equation is, y = -2x + 3

Choice:

Some choice are in standard form so we need to convert to slope intercept

y = x + 3 is already in the correct form2x + y = 3 becomes y = -2x + 3

subtract 2x from both sides, 2x - 2x + y = 3 - 2x

x + 2y = 3 becomes y = -1/2x - 3/2

subtract x from both sides, x - x + 2y = 3 - x becomes 2y = 3 - x

divided both sides by 2, 2y / 2 = (3 - x) / 2

x - y = 0 becomes y = x

subtract x from both sides, x - x - y = 0 - x than switch signs

which option matches?!

THE SECOND ONE

I need help asap please? and this is for the math question? what is the missing angle?

Answers

Answer:

the missing angle or the exterior angle is 120

Step-by-step explanation:

180-60=120

Answer:

90 degrees.

Step-by-step explanation:

The square symbol at the unlabeled angle means 90 degrees. Also, a triangle's interior angles equal 180. We already have 30 and 60, so 30+60=90. Now, subtract this from 180. 180-90=90. The answer is 90 degrees.

Hope this helps!

Taub went shopping for a new video game because of a sale. The price on the tag was $26, but Taub paid $23.40 before tax. Find the percent discount.

Answers

Answer:

10%

Step-by-step explanation:

(26-23.40)/26x100%

Answer:

10%

Step-by-step explanation:

If $3700 is invested at a rate of 2.4% that is compounded annually, how much will it be worth after 4 years?​

Answers

The amount the money will be worth in 4 years is $4072.41

Compound interest

The formula for calculating the compound interest is expressed as;

A = P(1+r/n)^nt

Given the following

P = $3700

rate r = 2.4% = 0.024

n =12

t = 4 years

Substitute

A = 3700(1+0.024/12)^12(4)
A = 3700(10.024/12)^48

A =  3700(1.10065)

A= 4072.41

Hence the amount the money will be worth in 4 years is $4072.41

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Assuming that there are no hidden cubes, what is the front orthographic view of the diagram?

Answers

Answer:

the visible number of cubes is 7

Step-by-step explanation:

Assuming that there are no hidden cubes, the # of visible cubes is 7

How many and what type of solutions does 5x^2-2x+6 have?
1 rational solution
2 rational solutions
2 irrational solutions
2 nonreal solution

Answers

Answer:

D) 2 nonreal solution

Step-by-step explanation:

Given

Quadratic trinomial

5x² - 2x + 6

In order to determine what kind of roots it has, we need to find the value of the discriminant:

[tex]D= b^2-4ac[/tex][tex]D = (-2)^2-4*5*6 =4-120 =-116[/tex]

Since the discriminant is negative, its square root is an imaginary number, hence there is no real solution.

Correct answer choice is D.

Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a
viable solution if x represents the number of days that a library book is late and y represents the total fee?

Answers

Answer:

y=0.30x

Step-by-step explanation:

because the amount of money (the fee) will keep increasing with the multiplication of the amount of days

A. Median
B. Perpendicular bisector
C. Angle bisector
D.altitude

Answers

Answer:

I belive c angle bisector

work out 4x10^8 x 5 x 10^-6 give your answer in standard form

Answers

Answer:

2 × 10³

Step-by-step explanation:

a number expressed in standard form is

a × [tex]10^{n}[/tex]

where 1 ≤ a < 10 and n is an integer

4 ×[tex]10^{8}[/tex] × 5 × [tex]10^{-6}[/tex]

= 4 × 5 × [tex]10^{8}[/tex] × [tex]10^{-6}[/tex]

= 20 × [tex]10^{(8-6)}[/tex]

= 20 × 10²

= 2 × [tex]10^{1}[/tex] × [tex]10^{2}[/tex]

= 2 × [tex]10^{(1+2)}[/tex]

= 2 × 10³

Answer:

[tex]2.0 \times {10}^{3} [/tex]

is correct ans

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