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The table represents the amount of money in a bank account each month.


Month Balance ($)
1 3,600.00
2 3,960.00
3 4,356.00
4 4,791.60
5 5,270.76


What type of function represents the bank account as a function of time? Justify your answer.
This is an exponential function because there is a common difference in the balance between the months.
This is an exponential function because there is a common ratio in the balance between the months.
This is a linear function because there is a common difference in the balance between the months.
This is a linear function because there is a common ratio in the balance between the months.

Answer:

9q+7

Step-by-step explanation:

1. Add 6q+3q, which is 9q

2. Then add 2+5, which is 7

3. Then combine those answers and you get a final answer of 9q+7

Answer:

9q+7

Step-by-step explanation:

1. Group all like terms: 6q+3q  and 2+5

2. Add the like terms together. 6q+3q= 9q.         2+5=7

3. Rewrite the equation 9q+7

ANSWER : 9q+7

The catch here is that you cannot find 38% of the current price and then subtract that off.  That does not work.

Instead, you need to realize that if the purchase price has increased by 38%, then the current value is 138% of the original price.

You can set up the proportion

     [tex]\dfrac{100}{138} = \dfrac{x}{483000}[/tex]

which compares the purchase price to the current value, as percentages and as money values.

To solve, multiply both sides by 483000 to find that x = 350,000.

The purchase price was $350,000.

Answer: SUCK

Step-by-step explanation:

A line representing the "rise" and the "run" of the line is shown in the image attached below. Also, a slope of this line in simplest form is equal to 1.27.

Mathematically, the slope (pitch) of a geometric figure or line can be calculated by using this formula:

Slope (pitch) = V/H

Where:

V represents the rising vertical distance (rise) of an object.

H represents the horizontal distance (run) an object runs through.

From the graph of this line, we would choose the following data points for the rise and run:

Rise (x, y) = (2.5, 2)

Run (x, y) = (8, 9)

Substituting the selected data points into the formula, we have;

Slope (pitch) = (9 - 2)/(8 - 2.5)

Slope (pitch) = 7/5.5

Slope (pitch) = 1.27

At point (2.5, 2), the equation of this line is given by:

y - y₁ = m(x - x₁)

Where:

y - 2 = 1.27(x - 2.5)

y - 2 = 1.27x - 3.175

y = 1.27x - 3.175 + 2

y = 1.27x - 1.175

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Answer:

Step-by-step explanation:

2 times 7 equals  14 8 times 4 equals 32 32 plus 14 equals 46

The scale factor from JKL to MNO is 1/2, and the scale factor from MNO to JKL is 2.

The ratio among comparable dimensions of an object and a model with that object is known as an exponent in algebra. The replica will be larger if the scale factor is a whole number. The duplicate will be lowered if the step size is a fraction.

It is given that:

The scale factor from JKL to MNO:

The scale factor = JK/MN = 4/8 = 1/2

The scale factor from MNO to JKL:

The scale factor = MN/JK = 8/4 = 2

JL = 11/2 = 5.5 cm

LK = 5 cm

ON = 5x2 = 10 cm

Angle JLK  = Angle MON

Thus, the scale factor from JKL to MNO is 1/2, and the scale factor from MNO to JKL is 2.

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The system of equations are x = 12.071 , y = 10.929

Let x and y are adult and children’s respectively

From the question, we have

Bill and Jose’s discount cinema sold adult tickets for $5.70 each and children’s tickets for $4.30 each.

5.70x + 4.30y = 115.80.............(i)

x+y = 23 ............(ii)

Solving, we get

x = 12.071

y = 10.929

Subtraction:

Subtraction serves as a representation for the act of removing items from a collection. The negative symbol stands for subtraction. For example, if four of the nine oranges that are stacked together (as in the above illustration) are then transported to a basket, the stack will now contain five oranges rather than nine. Therefore, the difference between 9 and 4 is 5, which equals 9 minus 4. In addition to applying it to natural numbers, subtraction can also be used with other kinds of numbers. The letter "-" represents subtraction. Minuend, subtrahend, and difference are the three numerical components that make up the subtraction operation.

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The values for which the given equation satisfies are provided in main body.

What is linear equation?

An equation that has the highest degree of one is understood as a equation. this suggests that no variable in an exceedingly equation has an acquaintance over one. The graph of a equation continually forms a line.

Main body:

According to the question:

y-1= 1/5 (x+5)

To solve this , we need to let one value for x and find its value for y.

Let x= 0

y-1= 1/5 (0+5)

y-1= 1/5 (5)

y =2

for x = 0 , y =2

Let x = 5

y-1= 1/5 (5+5)

y-1= 1/5 (10)

y = 3

for x = 5 , y = 3

Hence the graph is straight line.

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a) The probabilities are given as follows:

i) Exactly 2 green: 0.0479 = 4.79%.

ii) At most 3 blue: 0.2174 = 21.74%.

iii) Between 8 and 12 red: 0.6926 = 69.26%.

b) The binomial distribution is not used as there is not a fixed number of trials, and also the trials are not independent, as there is no replacement.

The mass probability formula, giving the probability of x successes, is of:

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are given by:

The parameter n is dependent of the sample size of 25, hence:

n = 25.

For item i, the probability is of P(X = 2) with p = 88/400 = 0.22, hence, using the binomial distribution, it is of:

0.0479 = 4.79%.

For item ii, the probability is of P(X <= 3) with p = 60/400 = 0.15, hence, using the binomial distribution, it is of:

0.2174 = 21.74%.

For item iii, the probability is of P(8 <= X <= 12), with p = 160/400 = 0.4, hence the probability is of:

0.6926 = 69.26%.

For problem b, the binomial distribution cannot be used, as:

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Answer:

Step-by-step explanation:

Assuming that a linear function can be in all different directions, but remain straight. It might be B. Because the answer shows (0,-1) and the other solutions don't have a y-intercept with a 0 x-intercept...?

The value of the function at x = -1, 0, 1, 2, and 3 will be -4, 3, 2, -1, and 0, respectively.

A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.

From the graph of f(x), then the value of the function at x = -1, 0, 1, 2, and 3 will be given as,

x             f(x)                        Feedback

-1             -4               Point is in the fourth quadrant

0              3                      Point is in the y-axis

1               2               Point is in the first quadrant

2             -1               Point is in the second quadrant

3              0                      Point is in the x-axis

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Step-by-step explanation:

try this option; all the details are in the attachment.

Answer:

Step-by-step explanation:

(a) The probability that 10 or more are good is 1/10

(b) The probability that 5 or more are good is 1/25

(c) The probability that all are good is 3/25

Probability:

Basically, the possibility of the outcome of any random event is known as probability.

Given,

Approximately 75% of light bulbs are good.

Here we need to find If 15 light bulbs are chosen, then

(a) The probability that 10 or more are good

(b) The probability that 5 or more are good

(c) The probability that all are good

Let us consider that the total number of light bulbs are 100.

And 75% of the bulbs are good.

Which means there are 75 good bulbs in it.

So, the defective bulbs are

=> 100 - 75

=> 25

So, the probability that 10 or more are good is calculated as,

=> 10/100

=> 1/10

Similarly, the probability that 5 or more are good is

=> 5/100

=> 1/25

And the probability that all are good is,

=> 15/100

=> 3/25

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Slope-intercept form is −8x+9. One of the formulas used to get a line's equation is the slope-intercept formula.

Slope-intercept is a specific form of linear equations. The equation of the line is written in the slope-intercept form, which is: y = mx + b, where m represents the slope and b represents the y-intercept. In our equation, y = − 3 x + 5 , we see that the slope of the line is − 3 .

A method of formulating a line's equation that makes it simple to identify the slope and y-intercept is known as the slope-intercept form. The y-intercept, or point where the line crosses the y-axis, is where the slope, or steepness, of the line is located.

-8x + y = -9

move y to right side

-8x = -9-y

Divide both sides by -8

-8x/-8x = -(9/-8) - (y/-8)

Simplify

-8x/-8x = -(9/-8) - (y/-8)

Simplify -8x/-8x : x

Simplify  -(9/-8) - (y/-8) : -9 - y / 8

x = -(-9 - y / 8)

y = mx + b.

y = −8x+9

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Answer:

46 = .90x + 2(.70x)

x = 20

Step-by-step explanation:

46 = .90x + 2(.70x)

46 = .90x + 1.4x

46 = 2.3x

20 = x

Ed’s profit on “Good Luck” cards in 2017 is $450.

Given that, Ed's profit on “Good Luck” cards in 2018 was £360. This was a decrease of 20% on his profit in 2017.

The profit or gain is equal to the selling price minus the cost price. Loss is equal to the cost price minus the selling price.

Let x be the profit on "Goodluck" card in 2017.

Now, x - 20% of x=360

⇒ x - 20/100 × x = 360

⇒ x - 0.2x = 360

⇒ 0.8x = 360

⇒ x = 360/0.8

⇒ x = 450

Therefore, Ed’s profit on “Good Luck” cards in 2017 is $450.

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"Your question is incomplete, probably the complete question/missing part is:"

Ed's profit on “Good Luck” cards in 2018 was £360.This was a decrease of 20% on his profit in 2017.Work out Ed's profit on “Good Luck” cards in 2017.

The number of packs of mini cupcakes ordered by Mary are 15 approximately if she has $200 to spend and the cost of each pack is $12.75 and shipping cost is $14.50.

Total amount, Mary can spend = $200

Cost of one pack = $12.75

Total shipping cost = $14.50

Amount remaining after shipping cost = $200 - $14.50 = $185.50

Total packs Mary can order = $185.50/$12.75 = 14.54

Hence, Mary can order approximately 15 packs of mini cupcakes.

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Answer:

The correct answer is true.

The two relationships between the two triangles QRS and TUV is that they are similar triangles.

Option b is correct.

What is a similar triangle?

If two triangles have an equal number of corresponding sides and an equal number of corresponding angles, then they are comparable.

Similar figures are described as items with the same shape but varying sizes, such as two or more figures. The polygon with three sides is a triangle. The prerequisites for a triangle's resemblance are that the corresponding angles on both triangles must be identical, and the corresponding sides must be proportional to one another.

In the given question, we have:

The two triangles: QRS and TUV;

and we have the measure of the angles;

∠Q = 76°

∠R = 26°

∠S = 76°

∠T = 76°

∠U = 26°

∠V = 76°

and the sides measure:

RQ = 4cm;

RS  = 2cm;

SR = 4cm;

UT = 12cm;

TV = 6cm;

UV = 12cm;

So, when we find the proportion of the corresponding sides, we get:

The ratio of sides is as [tex]\frac{1}{2}[/tex];

and all the corresponding angles are equal;

So, we can say that the two triangles are similar;

Hence, The two triangles are similar;

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Answer:

X=

Step-by-step explanation:

first you should substitute for X

Y=X-700

2X-y=800

2X-(X-700]=800

X+700=800

X=100

then you substitute for Y

Y=100-700

Y=-600

last you put in the equations to make sure all the numbers are right.

-600=100-700 good

200--600=800 good

X=100

Y=-600

The best way to decide on which group we should experiment with the population sample is through a random selection.

(B) Avoid bias and be sure the study you are executing is accurate:

Therefore, the best way to decide on which group we should experiment with the population sample is through a random selection.

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Answer: ________________________________________________

f(x) = -1/2x

Answer:

Step-by-step explanation:

slope = y2-y1/x2-x1

-2-1/4-(-2)=-3/6=-1/2 or -0.5

Applying vertical or opposite angles theorem the values of m∠1, m∠3 and m∠4 are 141°, 141° and 39° respectively

Angles around a point describes the sum of angles that can be arranged together so that they form a full turn. Angles around a point add to 360 °. The sum of the angles is 360° and they have made a full turn, and so the angles around a point add to equal 360° .

This implies that m∠1, m∠2, m∠3 and m∠4 all sum up to 360°

However, m∠2 = 39°

This can be used to find m∠4

m∠2 = m∠4 (Opposite or vertical angles are equal)

Therefore, m∠4 = 39°

But m∠1 and m∠3 are also equal by applying vertical angles theorem too.

Let them be represented by x

x + 39 + x + 39 = 360

Reason : Sum of angles at a point equals 360°

2x + 78 = 360

2x = 282

x = 141°

The values of m∠ 1 and m∠3 are 141° respectively

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Answer:

i think D hope this helps :D

Step-by-step explanation:

Answer:

195

Step-by-step explanation:

The given expression √3x²+√4x is defined for x > 0

By property |f(x)| < c

⇒ f(x) < 0   and  - f(x) < 0

⇒√3x²+√4x < 0 and -(√3x²+√4x) < 0

⇒ x < -√4/3   and  x < -√4/3

Therefore x should be greater than 0.

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