Help please with discussion

Help Please With Discussion

Answers

Answer 1

The sentence indicates that the increase in the value of a coin collection was exponential as such increase was continuous and constant in time. (Correct choice: A)

How to determine if a given relationship represents an exponential function

Exponential functions are trascendent expressions, these are, expressions that cannot be described algebraically, that are defined by the following expressions:

[tex]f(x) = a \cdot \left(1+ \frac {r}{100}\right)^{x}[/tex]     (1)

Where:

a - Initial valuex - Independent variablef(x) - Dependent variabler - Increase rate

Exponential functions are used to represent constant continuous increases or decreases in terms of the independent variable. The sentence indicates that the increase in the value of a coin collection was exponential as such increase was continuous and constant in time. (Correct choice: A)

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Related Questions

×|
-2

1
2
f(x )
12.5
2.5
0.5
0.1
0.02
which exponential function is represented by the table

Answers

Answer:

1,2

Step-by-step explanation:

1,2
Is the answer for your question

what is proportional reasoning

Answers

Answer:

Making comparisons of numbers or values and considering relationships are also aspects of proportional reasoning.

Example:
A worker being paid by the number of hours he/her worked.

#EDIT #1

Ahanu cuts a board that is 2.25 ft long into two pieces, where one piece is 3 inches longer than the other piece. Find the length of each piece The shorter piece is The longer piece is ft long. ft long. Ahanu cuts a board that is 2.25 ft long into two pieces , where one piece is 3 inches longer than the other piece . Find the length of each piece .​

Answers

Answer:

The shorter piece is 1.5 ft long.

The longer piece is 1.75 ft long.

Step-by-step explanation:

We are given that one piece is 3 inches longer than the other, which we can convert to 0.25 ft. We are also told that the total length of the board is 2.25 ft. This means that the two pieces must have lengths that add up to 2.25 ft.

Therefore, we can set up the equation:

x + (x + 0.25) = 2.25

Solving for x, we find that x = 1.5 ft, which is the length of the shorter piece. The length of the longer piece must then be 1.75 ft.

The slope of the line below is -2. Use the coordinates of the labeled point to
find a point-slope equation of the line.
(4,-6)
® A. y + 6 = -2(x-4)
B. y-6= -2(x+4)
6 =2(×+4)
D. y + 6 =2(x - 4)

Answers

Answer:

Step-by-step explanation:

its  A y+6=-2

Whats the correct answer answer asap for brainlist

Answers

Answer:

Spain

Step-by-step explanation:

Pablo Picasso was born in Malaga, Spain.

Answer:

Málaga, Spain

Step-by-step explanation:

como se hace y la respuesta

Answers

The arc length is 0.785 units and the diagonal  is √2 units

How to determine the lengths?

The question requires that we determine the lengths of the blue line and the arc

The blue line is the diagonal of the square, whose side length (l) is

l = 1

The diagonal is then calculated as:

[tex]d = l * \sqrt 2[/tex]

This gives

[tex]d = 1 * \sqrt 2[/tex]

[tex]d = \sqrt 2[/tex]

The diagonal divides the vertex of the square into 45 degrees a piece, and the diagonal represents the radius of the arc

This means that:

[tex]r = \sqrt 2[/tex]

[tex]\theta = 45^o[/tex]

The arc length is:

[tex]l = \frac{\theta}{360} * \pi r^2[/tex]

So, we have:

[tex]l = \frac{45^o}{360} * 3.14 * \sqrt 2^2[/tex]

This gives

[tex]l = \frac{282.6}{360}[/tex]

Divide

l = 0.785

Hence, the arc length is 0.785 units and the diagonal  is √2 units

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The length of the longer leg of a right triangle is 3 cm more than three times the length of the shorter
leg. The length of the hypotenuse is 4 cm more than three times the length of the shorter leg. Find the
side lengths of the triangle.
Length of the shorter leg:________ cm
Length of the longer leg:
cm
Length of the hypotenuse:
_cm

Answers

Answer:

the length of the shorter leg : 7 cm

the length of the longer leg : 24 cm

the length of the Hypotenuse : 25 cm

Step-by-step explanation:

a = 3b + 3

c = 3b + 4

and we know the general Pythagoras :

c² = a² + b²

(3b + 4)² = (3b + 3)² + b²

9b² + 24b + 16 = 9b² + 18b + 9 + b²

24b + 16 = 18b + 9 + b²

6b + 7 = b²

b² - 6b - 7 = 0

the general solution to such a quadratic equating is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

x is called b.

a = 1

b = -6

c = -7

b = (6 ± sqrt((-6)² - 4×1×-7))/(2×1) = (6 ± sqrt(36 + 28))/2 =

= (6 ± sqrt(64))/2 = (6 ± 8)/2

b1 = (6+8)/2 = 14/2 = 7 cm

b2 = (6-8)/2 = -2/2 = -1 cm

a negative number did not make sense for a side length, so,

b = 7 cm

is our solution for one leg.

a = 3b + 3 = 3×7 + 3 = 24 cm

c = 3b + 4 = 25 cm

Please help!!! What is the slope of a line that is perpendicular to this line?

Answers

[tex]\frak{Hi!}[/tex]

[tex]\orange\hspace{300pt}\above3[/tex]

                      If two lines are perpendicular to each other, their slopes

                     are negative inverses of each other.

                     Thus,

                    [tex]\boldsymbol{\sf{Slope\:of\:this\:line=4}}}[/tex]

                    [tex]\boldsymbol{\sf{Negative \ Inverse=-\displaystyle\frac{1}{4}}}[/tex]. See how this works?

                    We took 4, then took its opposite, and flopped that over

[tex]\orange\hspace{300pt}\above3[/tex]

Definition-:

Perpendicular lines are lines that intercept each other at a 90 deg. angle, which is usually called the right angle.

Question 15 (5 points)
image

Which of the following is a true proportion of the figure based on the triangle proportionality theorem?
Question 15 options:

A)







B)







C)







D)

Answers

Answer:

You need to attach the pictures and ask again.

Step-by-step explanation:

I cannot see any attachments.

8x + y = 23 plus -10x -y = -27

Answers

Answer:

13.5

Step-by-step explanation:

8x+y-10x-y=-27

-2x=-27

x=13.5

Answer:

64

Step-by-step explanation:

Create a tree diagram for flipping an unfair coin two times. The probability of H is 2/3 and probability of T is 1/3. Write the probabilities on each branch.

Answers

The probabilities on each branch are shown in the tree diagram, and P(HT) = 2/9.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

We have:

The probability of H is 2/3 and the probability of T is 1/3.

P(HT) = P(H in the first trial)P(T in the second trial)

From the tree diagram:

P(HT) = (2/3)(1/3) = 2/9

Thus, the probabilities on each branch are shown in the tree diagram, and P(HT) = 2/9.

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In the graph of f(x) = 9(x) is shifted 7 units down,then what would be te equation of the new graph?

Answers

Answer: [tex]g(x)=9x-7[/tex]

Step-by-step explanation:

See the attached image.

What is the slope-intercept equation of the line below?

Answers

Answer:

D

Step-by-step explanation:

We will use the 2 coordinates marked on the graph as the reference.

The coordinates are:

A(4,-2)

B(0,3)

We know that the standard form for equation of line is:

y = mx+c

where m is the slope of the equation

and c is the y-intercept.

Very clearly, the y-intercept is where the line intercepts the y line.

and in this case, y-intercept = c = 3.

Now we know that the equation of line is now

y = mx + 3

To find m, the slope, we can use the 2 above coordinates.

slope of line = [tex]\frac{y1-y2}{x1-x2} \\=\frac{-2-3}{4-0} \\=\frac{-5}{4} \\=-\frac{5}{4}[/tex]

(Note: There is a 2nd way to find the slope in this case, let me know if you are interested to find out.)

Equation of line: [tex]y=-\frac{5}{4} x+3[/tex]

Therefore the answer is D.

2. In factored form, a quadratic function can be written as y= (-2- x) (x-8). This parabola goes through the points (-2, 0) and (8, 0). Use your knowiedge of the symmetry of the parabola to find the vertex. Show all work. 4 marks
show the parabola please ​

Answers

The vertex of the given parabola is the point (3, 25).

How to get the vertex of the parabola?

If the parabola has roots x₁ and x₂, then the vertex of the parabola is at:

xₙ = (x₁ + x₂)/2

Here the parabola is:

y = (-2 - x)*(x - 8)

We can rewrite that to:

y = -(x + 2)*(x - 8)

Then the two roots are:

x = -2 and x = 8

Then the vertex is at:

xₙ = (8 - 2)/2 = 6/2 = 3

To get the y-value of the vertex, we evaluate the equation in x = 3:

y = -(3+ 2)*(3 - 8) = -5*(-5) = 25

The vertex is (3, 25).

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A population of bacteria begins with 1500 bacteria and grows to 4500 in one hour.

- Find a function that represents the growth of this culture of bacteria as a function of time.

- How long does it take this culture of bacteria to double?

Thanks TT

Answers

The function that represents the growth of this culture of bacteria as a function of time is; P = 1500e^(1.0986t)

How to calculate Exponential Growth?

The formula for exponential growth is;

P = P₀e^(rt)

where;

P = current population at time t

P₀ = starting population

r = rate of exponential growth/decay

t = time after start

Thus, from our question we have;

4500 = 1500 * e^(r * 1)

4500/1500 = e^r

e^r = 3

In 3 = r

r = 1.0986

Thus, the function that represents the growth of this culture of bacteria as a function of time is;

P = 1500e^(1.0986t)

For the culture to double, then;

P/P₀ = 2. Thus;

e^(1.0986t) = 2

In 2 = 1.0986t

t = 0.6931/1.0986

t = 0.631 hours

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Find card(B) given that B={1,3,5,7,9,….9907}

Answers

The value of card(B) is card(B) = 4954

How to determine the card(B)?

The set is given as:

B={1,3,5,7,9,….9907}

The above set is the set of odd numbers from 1 to 9907.

The number of elements is the cardinality

And it can be calculated using

L = a + (n - 1)d

Where

L = 9907

a = 1

d = 2

So, we have:

9907 = 1 + (n - 1)2

Subtract 1 from both sides

9906 = (n - 1)2

Divide by 2

n - 1 = 4953

Add 1 to both sides

n = 4954

This means that

card(B) = 4954

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Part VI: Graph the line x+3y=12 by finding the x- and y-intercepts and drawing the line that connects those two points.

Part VII: Use the inequality x+3y>_ 12 to determine whether the line should be solid or dashed and whether you should shade above or below the line you just graphed. Shade the region that satisfies the inequality.

Answers

The x intercept and y intercept of the line x + 3y = 12 are (12, 0) and (0, 4) respectively.

What is an equation?

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

Given the line x + 3y = 12

The y intercept is at x = 0, hence:

0 + 3y = 12

y = 4

The x intercept is at y = 0, hence:

x + 3(0) = 12

x = 12

The x intercept and y intercept of the line x + 3y = 12 are (12, 0) and (0, 4) respectively.

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What is the difference of the given values to the correct level of precision?

22.108 L

– 5.80 L

Answers

Answer 27.908
22.108-(-5.80)
22.108+ 5.80= 27.908
the correct answer would be 27.908. i believe

log 9-log 4÷log 3-log 2​

Answers

Step-by-step explanation:

whoever created the original question and then probably the people copying it need to focus on writing these things correctly.

I assume this means

log(9) - log(4) ÷ log(3) - log(2)

or is anything combined in brackets ? like it could be e.g. log(4 ÷ log(3)). just as example.

and I guess we mean logarithm to the base of 10, right ?

anyway, if my assumptions are correct, then we only need to follow the regular priorities of mathematical operations :

1. brackets

2. exponents

3. multiplications and divisions

4. additions and subtractions

so, we need to start with the division in the middle, and then do the subtractions.

log(4) ÷ log(3) = 1.261859507...

log(9) - 1.261859507... = -0.307616998...

-0.307616998... - log(2) = -0.608646993...

or was the original question

(log(9) - log(4)) ÷ (log(3) - log(2))

?

that would be way more interesting.

we use the rules of logarithm :

e.g.

log(a×b) = log(a) + log(b)

log(a/b) = log(a) - log(b)

so, we have then

log(9/4) ÷ log(3/2)

and that is equal to

log(3/2 × 3/2) ÷ log(3/2)

(log(3/2) + log(3/2)) ÷ log(3/2) = 1 + 1 = 2

if that is the case, you really, REALLY need to pay more attention to brackets and other symbols in problem definitions.

Let p: A number is greater than 25.
Let q: A number is less than 35.
If p q is true, then what could the number be? Select two options.
24
28
32
36
040

Answers

I believe it could be 28 and 32

In rhombus ABCD below, AC=30 cm and BD=18 cm. Find the area of the rhombus .I will give brainliest for the best and correct answer.

Answers

Area of rhombus = 0.5 x D1 x D2

Thus,
Area = 0.5 x 30 x 18
= 270 units ^2

2pr+2prh find the surface area of water tower that is 40 feet tall and has a diameter of 30 feet

Answers

The Surface area of the cylindrical tower is 5181 ft cube.

How to find surface area of a cylinder?

Surface area of cylinder = 2πr² + 2πrh

where

r = radiush = height

Therefore,

r = 30 / 2 = 15 ft

h = 40 ft

Surface area of cylinder = 2πr(r + h)

Surface area of cylinder = 30π(40 + 15)

Surface area of cylinder = 30π(55)

Surface area of cylinder = 1650π

Surface area of cylinder = 5181 ft³

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Mr. Gatting poured the same amount of pepper into each of the cylindrical pepper shakers shown below. The pepper in the shaker on the left is
filled to a height of 45 millimeters.
60 mm
OA 60 millimeters
OB. 95 millimeters
-32 mm
To what approximate height is the shaker on the right filled with pepper?
24 mm-
Note: Figures are not drawn to scale
100 mm

Answers

Answer:

80 mm

Step-by-step explanation:

the same amount (and that means the same volume) of pepper is in each shaker.

the volume of a cylinder is

base area × height = pi×r² × height

with r being the radius (which is always half of the diameter).

the volume of the filled in pepper in the first shaker is then

pi×(32/2)²×45 = pi×16²×45 = pi×256×45 = 11,520pi mm³ =

= 36,191.14737... mm³

now let's see what height in the second shaker we will reach by filling the same 11,520pi mm³ of pepper into it.

so, we have

pi×(24/2)²×height = 11,520pi

12²×height = 11,520

144×height = 11,520

height = 11,520/144 = 80 mm

so, the shaker on the right is filled up to 80 mm with pepper.

Answer:

80 mm

Step-by-step explanation:

I got it right on edmentum

Suppose you invest $130 a month for 6 years into an account earning 7% compounded monthly. After 6 years, you leave the money, without making additional deposits, in the account for another 21 years. How much will you have in the end?

Answers

212121313jejdudnenaozoejwnzox

If the following integral converges, state its value in the space provided. Otherwise, input divergent.
9
2-3
√3
dz

Answers

I personally believe A! 9


??????????????????????????????

Answers

Answer:I can’t see

Step-by-step explanation:show fullscreen

Question in attached file

Answers

The value of the expression [tex]\frac{x^2 + 3y^2}{xy}[/tex] is [tex]\frac{6y^2 + 2xy}{xy}[/tex]

How to solve the expression?

The equation is given as:

[tex]x^2 - 2xy - 3y^2 = 0[/tex]

Add 3y^2 to both sides

[tex]x^2 - 2xy = 3y^2[/tex]

Add 3y^2 to both sides

[tex]x^2 + 3y^2 - 2xy = 6y^2[/tex]

Add 2xy to both sides

[tex]x^2 + 3y^2 = 6y^2 + 2xy[/tex]

Divide through by xy

[tex]\frac{x^2 + 3y^2}{xy} = \frac{6y^2 + 2xy}{xy}[/tex]

Hence, the value of [tex]\frac{x^2 + 3y^2}{xy}[/tex] is [tex]\frac{6y^2 + 2xy}{xy}[/tex]

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Consider the following "generic rectangle" where the area of each region is given. Write equivalent
expressions that express the area of the whole rectangle as a sum and as a product.

Answers

Answer:

sum: 3x² -4x -4product: (x -2)(3x +2)

Step-by-step explanation:

The areas of four regions are given. We can simply add them to find the sum. To express them as a product, we need to look at common factors.

Sum

The total of the given area expressions is ...

  3x² +2x -6x -4 = 3x² -4x -4 . . . . sum

Product

Extending the table to show common factors of each row and column, we have ...

  [tex]\begin{array}{c|c|c|}&3x&2\\\cline{1-3}x&3x^2&2x\\\cline{1-3}-2&-6x&-4\\\cline{1-3}\end{array}[/tex]

Since each cell of the table is the product of the corresponding common factors, we can write the area as the product ...

  (x -2)(3x +2) . . . . product

True or false? To begin an indirect proof, you assume the converse of wha
you intend to prove is true.
OA. True
OB. False

Answers

Answer: B. False

Step-by-step explanation:

You assume the inverse of what you intend to prove is true, not the converse.

Which statement is true about the end behavior of the
graphed function?
• As the x-values go to positive infinity, the function's
values go to negative infinity.
• As the x-values go to zero, the function's values go
to positive infinity.
• As the x-values go to negative infinity, the function's
values are equal to zero.
O As the x-values go to positive infinity, the function's
values go to positive infinity.

Answers

As the x-values go to negative infinity, the function’s values go to positive infinity.

How to determine the end behavior of a graph function?

The end behavior of a function f(x) is given by; lim x → ∞ (f(x))

In the given graph attached, we can see that when as x goes to negative infinity (to the left) the y-values go up (toward positive infinity) since y is pointing upwards.  

Thus, lim x → ∞ (f(x)) = ∞ and as such the correct option is As the x-values go to negative infinity, the function’s values go to positive infinity.

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Critical reading the questions below refer to the selection "the prologue from the canterbury tales." the narrator in the canterbury tales, is portrayed as a. stern and judgmental. c. robust and merry. b. sophisticated and worldly. d. naive and observant. Graphing proportional relationshipsProblemGraph the line that represents a proportional relationship betweenddd andttt with the property that an increase of 0.20.20, point, 2units intttcorresponds to an increase of1.81.81, point, 8units inddd.What is the unit rate of change ofdddwith respect tottt? (That is, a change of 111unit intttwill correspond to a change of how many units ind?d?d, question mark)The unit rate of change is.Graph the line. ** Test Question, need answer ASAP **After 200 C.E., outside pressures exacerbated the internal problems of the eastern Roman Empire, especially:A. wars with Parthia and Sasanid PersiaB. raids by nomadic HunsC. the spread of ChristianityD. incursions by Germanic tribes Write the correct postulate, theorem, property, or definition that justifies the statement below the diagram. To begin, morphological similarities existing among groups of species support evolution. When different organisms exhibit the same characteristics, or ____________ , they are often from the same ancestral line According to Julissa Arce in You Sound Like A White Girl, the three pillars of America's colonization include the genocide of indigenous people, the enslavement of blacks and ?the American colonization of MexicoUnjust deportation of immigrantsWar in Vietnam You purchase a dishwasher for 1261 .60 plus 7% sales tax. The appliance store offers an loan that allows you to pay for the dishwasher by making 12 equal monthly payments of $123.74 What is the cost of credit, in , for this loan? Round your answer to the nearest cent. X=Help me please thanks The Chinese artist Li Cheng created ________ in his work A Solitary Temple Amid Clearing Peaks by alternating bands of lighter and darker values. The equations in this sytem were added to solve for x. What is the value of x?-6x+4y=-86x-12y=14.-16y=6.-8y=6.-8y=-22.-16y=-22 The scatter plot shows the relationship between the amount of rain received in a year and the average diameter of a fruit in a particular orchad that year 1/6z= -10A. -60B. -4C. -5/3D. -16 Which of the following numbers is shown plotted on the number line? The length of a picture is 10.5cm and the diagonal is 18.2cm . What width must have to meet a right angle ? When asked "Vas a ver pelculas?" would you respond with "no, no voy a ver ninguna" or "No, no voy a ver nada?" If Jamari pays $25 at the beginning of the month, he will pay only $5 per hour for using Vic Sporting facility. The information is recorded in the table on the image inserted. Write an equation for y, the cost of spending x hours at the sporting facility each month. Answer this. Show your work. Worth 10 points. Under 4 hours. URGENT. You have several numbers in a data set: 5, 7, 9, 11, 13, 15, 17. What is the z Score for the number 7 Your client Ellis is purchasing a property for $520,000. He made a down payment of $200,000 and plans to finance $320,000. What is the LTV ratio as rounded to the nearest percentage How does the character of the bachelor add to the satire of "The Storyteller?His character provides humor in the story by revealing human weaknesses.His character is greatly exaggerated to make fun of single men such as himself.He exposes the aunts flaws by telling an improper story that occupies the children.He exposes the aunts hypocrisy and ineffectiveness by being mean to the children.