Find the value of x Xº (3X-12)° ​

The expected  of your  account to be worth when you retire at 67 years old is $1,118,473.61.

To calculate the future value of your savings account, we can use the formula for compound interest:

FV = PV * (1 + r/n)^(n*t)

Where:

FV = Future Value of the account

PV = Present Value of the account

r = Annual interest rate (as a decimal)

n = Number of times the interest is compounded per year

t = Number of years

In this case, the present value (PV) is zero because you haven't started saving yet. The interest rate (r) is 7% per year, or 0.07 as a decimal. You will be depositing $200 every 2 months, which means 6 times a year (n=6). You have 45 years until you retire (t=45), and want to find the future value (FV) of the account.

We can start by calculating the total number of deposits you will make:

45 years * 12 months/year / 2 months/deposit = 270 deposits

Each deposit will be for $200, so the total amount you will deposit is:

270 deposits * $200/deposit = $54,000

Now we can use the formula for compound interest to calculate the future value of the account:

FV = $0 * (1 + 0.07/6)^(645) + $54,000 * (1 + 0.07/6)^(645)

FV = $0 + $1,118,473.61

So, you can expect your savings account to be worth approximately $1,118,473.61 when you retire at 67 years old, assuming you make regular deposits of $200 every 2 months and earn an annual interest rate of 7%.

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As per the given situation, when g(x) = k · f(x), and f(x) = 2x, the value of k is 2.5.

In mathematics, a function is a relation between a set of inputs and a set of possible outputs, where each input is related to exactly one output. Functions are often represented using function notation.

To find k, we need to know the value of g(x) for a specific value of x. Let's say we want to find k when x = 3. Then:

g(3) = k · f(3)

g(3) = k · 2(3)

g(3) = k · 6

If we know the value of g(3), we can solve for k:

g(3) = 15

15 = k · 6

k = 15/6

k = 2.5

Therefore, when g(x) = k · f(x), and f(x) = 2x, the value of k is 2.5.

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Patel can use the quadratic formula, which states that x = (-b ± √(b2 - 4ac)) / 2a, where a, b, and c are the coefficients of the quadratic equation.

Patel can use several steps to solve the quadratic equation 8x2 + 16x + 3 = 0.

Here are three options he could use:
1. Complete the square: Patel can rewrite the equation as 8(x2 + 2x + 1) = –3 + 8, which simplifies to 8(x + 1)2 = 5.

Then, dividing by 8 on both sides, he gets (x + 1)2 = 5/8.

Finally, taking the square root of both sides, he gets x = –1 ± √(5/8).
2. Use the quadratic formula:

In this case, a = 8, b = 16, and c = 3.

Plugging these values into the formula, he gets x = (-16 ± √(162 - 4(8)(3))) / (2(8)), which simplifies to x = (-16 ± √100) / 16. Thus, x = –1 ± (1/2).
3. Factor the equation: Patel can try to factor the quadratic equation by looking for two numbers that multiply to 3 and add to 16.

However, since there are no such numbers, this approach may not work.

To solve the quadratic equation 8[tex]x^2[/tex] + 16x + 3 = 0, Patel could use the following,

Divide the equation by 8 to simplify: [tex]x^2[/tex] + 2x + 3/8 = 0 2.

Use the quadratic formula, where a=1, b=2, and c=3/8: x = -b ± √([tex]b^2[/tex] - 4ac) / 2a 3.

Calculate the solutions: x = -1 ± √(4 - 3) / 2

These steps will help Patel solve the quadratic equation.

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Answer:

You will approximately have about 48,297.74

Step-by-step explanation:

Option C. The best description of the spread of the data: The data has a range of 5, which is a narrow spread. This means that most of the students have taken a similar number of flights.

we have the maximum value = 15

The minimum value = 10

The range can be defined as the difference that exixts between the highest and the lowest values in a data

Hence we have 15 - 10

= 5

Therefore The data has a range of 5, which is a narrow spread. This means that most of the students have taken a similar number of flights.

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Hello

        S        a         T

2a + 6  /            /
          /             /       a + 17
        /             /
   V          a         U

you want ST = VU (it's good) and SV = TU (not good)

2a + 6 = a + 17

2a - a = 17 - 6

a = 9

The estimated total number of bears in 2002 will be 1060.

To estimate the population size, the mark-recapture formula is applied. This formula is used to determine the unknown population size. First, a selected sample from the population of bears has the number marked initially and the total population. The formula is: N = MC/R

In the given question,

M = 2008

C = 38

R = 72

So, N = (2008)(38)/72

= 76304/72

1059 which is estimated at 1060.

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The length of h in the parallelogram is 17.0 units.

A parallelogram is a quadrilateral that has opposite sides equal to each

other and opposite sides parallel to each other.

Therefore, let's find the value of h in the parallelogram as follows:

Using Pythagoras's theorem,

c² = a² + b²

where

Therefore,

18² - 6² = h²

h² = 324 - 36

h = √288

h = 16.97

Therefore,

h = 17.0 units

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Answer:

For the Box and Whisker Plot, these are the answers for all of the parts of the plot:

Minimum:  The minimum is the lower end of the whisker which is 2

Maximum: The maximum is the upper end of the whisker which is 16

Median: The median is the thick line you see that goes down through the box plot which is the number 8

First Quartile: The lower end line of the box plot which is 4

Third Quartile: Known as the Second Quartile, this is the upper end line of the box plot which is 14

Interquartile Range: The Interquartile Range is the numbers that starts from the First Quartile to the Third Quartile which is the numbers from 4 to 14

Therefore, the answers are 2, 16, 8, 4, 14, and 4-14. Hope this helps with your homework or assignment!

-5th Grade Honors Student who learned this yesterday

The measures of angles 8 and 9 are given as follows:

m < 8 = m < 9 = 28.5º.

To obtain the angle measures, first we must consider that the sum of the measures of the internal angles of a triangle is of 180º.

Considering this, looking at the top triangle, we find the measure of angle 7 as follows:

m < 7 + 58 + 65 = 180

m < 7 = 180 - (58 + 65)

m < 7 = 57.

By the exterior angle theorem, an angle is supplementary with it's exterior angle, hence the measure of angle 6 is obtained as follows:

m < 6 = 180 - 57

m < 6 = 123º.

Triangle XWZ is an isosceles triangle, hence the measures of angles 8 and 9 are obtained as follows:

m < 8 + m < 9 + 123 = 180

m < 8 = m < 9 = (180 - 123)/2

m < 8 = m < 9 = 28.5º.

(isosceles triangle, these two angles have the same measure).

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Answer:

23.78 cm

Step-by-step explanation:

size of the missing angle is (180 - 90 - 18) = 72°

angle 72° is opposite the side x. angle 90° is opposite side 25.

x/sin 72  =  25/sin 90

multiply both sides by sin 72:

x = (25 X sin 72) / sin 90

   = (23.78) / 1

  = 23.78 cm

Answer:

(If you like this answer i would appreciate if u give brainliest but otherwise, i hope this helped ^^)

Step-by-step explanation:

To write a linear function representing Xavier's gross income in terms of the number of hours he works, we need the slope and the y-intercept.

Let's assume that Xavier earns a constant hourly rate of $3 per hour.

The slope of the linear function represents the rate at which Xavier's income increases per hour worked. In this case, the slope is $3, as his earnings increase by $3 for every hour worked.

The y-intercept represents Xavier's income when he hasn't worked any hours. Since he earns $0 when he hasn't worked any hours, the y-intercept is 0.

Therefore, the linear function representing Xavier's gross income (G) in terms of the number of hours (x) he works can be written as:

G = 3x

This equation shows that Xavier's gross income is equal to $3 multiplied by the number of hours he works.

Answer:

14

Step-by-step explanation:

angle 90° is opposite the side x. angle 45° is opposite side 7√2.

x/sin 90 = (7√2)/sin 45

multiply both sides by sin 90 (sin 90 is = 1).

x = (7√2)/sin 45

 = 14

Annabel's water bottle can hold [tex]48[/tex] fluid ounces of water.

To determine the number of fluid ounces in 6 cups of water, we need to know the conversion rate between cups and fluid ounces.

In the United States customary system, there are [tex]8[/tex] fluid ounces in [tex]1[/tex] cup. Therefore, we can use this conversion rate to calculate the number of fluid ounces in [tex]6[/tex] cups.

Since [tex]1[/tex] cup is equal to [tex]8[/tex] fluid ounces, we can set up a proportion:

[tex]\(\frac{1 \text{ cup}}{8 \text{ fluid ounces}} = \frac{6 \text{ cups}}{x \text{ fluid ounces}}\)[/tex]

By cross-multiplication, we find:

[tex]\(1 \text{ cup} \cdot x \text{ fluid ounces} = 8 \text{ fluid ounces} \cdot 6 \text{ cups}\)[/tex]

Simplifying the equation:

[tex]\(x \text{ fluid ounces} = 48 \text{ fluid ounces}\)[/tex]

Therefore, Annabel's water bottle holds [tex]48[/tex] fluid ounces of water.

To convert [tex]6[/tex] cups of water to fluid ounces, we use the conversion rate of 1 cup equals [tex]8[/tex] fluid ounces. Setting up a proportion, we find that [tex]6[/tex] cups is equal to [tex]48[/tex] fluid ounces. Hence, Annabel's water bottle can hold [tex]48[/tex] fluid ounces of water.

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Hourly growth rate parameter is 1.97%

Given,

A sample of 2,400 bacteria selected from this population reached the size of 2,489 bacteria in one and a half hours.

Let,

y = population after given time x

x = time of passage in hours

p = size of initial population

k = constant for growth rate

[tex]y = pe^{kx}[/tex]

Substitute the values of variables,

2489 = 2400 e^1.5k

1.03 = e^1.5k

Take Ln on both sides to remove the exponent,

ln(1.03) = ln(e^1.5k)

0.029 = 1.5k

k = 0.029/1.5

k = 0.0197

k = 1.97%

Thus with the help of exponent the hourly growth rate parameter can be found out.

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Answer (3x−2)(3x+2)^2

Step-by-step explanation:

X must be equal to 0 for M to be singular.

For M to be singular, its determinant must be zero. So, we can set up the equation:

| 2 2 1 |

| 6 2 -x |

| 2 1 3 | = 0

Expanding the determinant along the first row, we get:

2 | 2 -x |

-6 | 1 3 | = 0

Multiplying the determinant of the 2x2 matrix by 2, we get:

4(-x - 3) - (-6)(2) = 0

Simplifying the left-hand side, we get:

-4x - 12 + 12 = 0

Solving for x, we get:

-4x = 0

x = 0

Therefore, X must be equal to 0 for M to be singular.

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Answer:

18/25

Step-by-step explanation:

72 per cent =72/100

=36/50

=18/25

Answer:depend school but most schools yes

Step-by-step explanation:

It is important to pass both but some school allow only to pass one or make an exception so you should be fine but if not you will have a second chance later on or next year

I hoped this helped

also if your good with 7th grade math do you mind helping my question I uploaded thanks if you can.

Answer:

30 wats due  to electrocorrespond period of time

Step-by-step explanation:

according to plan b ratio 89 quart to a million

Power usage over time can be approximated by a Riemann sum or computed exactly by integrating the function representing the power usage. For the given 10-hour data, the total power usage can be estimated by summing up the products of the power usage and time interval.

The power use of a customer over a 30-day period is given by a continuous function P = f(t), and we are asked to find the total number of kilowatt-hours used by the customer using Riemann sums and an exact formula.

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Answer:

The given function h has a domain of -3 ≤ x ≤ 11 and a range of 1 ≤ h(x) ≤ 25, and we also know that h(8) = 19 and h(-2) = 2.

Since we know the range of h(x) is 1 ≤ h(x) ≤ 25, statement B cannot be true because it suggests a value of h(x) outside of this range.

Statement A suggests that h(8) = 21, which is outside the given range for h(x). Therefore, statement A cannot be true.

Statement C suggests that h(2) = 16, but we do not have any information about the value of h(x) at x = 2. Therefore, statement C may or may not be true.

Statement D suggests that h(13) = 18, but 13 is outside the domain of h(x). Therefore, statement D cannot be true.

Thus, the only statement that could be true for h is B. However, we cannot be certain that statement B is true without more information about the function h.

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Step-by-step explanation:

Jake hears that 60% of respondents to a recent People Magazine survey said that their favorite fast food restaurant was Taco Bell. Jake believes this is way too high, as Taco Bell just isn't that good.

An SRS of peoples' favorite fast food restaurants is conducted across multiple locations. Of the 1080 respondents, 670 say that their favorite fast food restaurant is Taco Bell.  Therefore, based on the hypothesis test, Jake does now not have enough evidence to finish that the People Magazine survey changed erroneously.

To conduct a hypothesis take a look at this situation, we can set up the following hypotheses:

Null Hypothesis (H0): The percentage of people who recall Taco Bell as their preferred speedy meal-eating place is 60% or better.

Alternative Hypothesis (H1): The share of those who recall Taco Bell as their favorite fast food restaurant is less than 60%.

We will use the binomial test to check those hypotheses. The importance level, alpha (α), is given as 0.10, which means that we need a 90% self-assurance degree for our test.

Let's calculate the p-value based on the furnished sample information and check it in opposition to our importance stage:

Sample length (n) = 1080

Number of respondents who selected Taco Bell (x) = 670

Assuming the null hypothesis is true (p = 0.6), the expected number of respondents choosing Taco Bell is n * p = 1080 * 0.6 = 648.

We can now use the binomial distribution to calculate the p-cost:

p-price = P(X ≤ x) = Σ(C(n, x) * p^x * (1-p)^(n-x)), in which Σ is the sum from 0 to x.

Calculating this sum for x = 670, we want to evaluate the p-fee against our importance stage.

Using statistical software programs or tables, we discover that the p-price is about 0.9995.

Since the p-value (0.9995) is greater than the importance degree (0.10), we fail to reject the null speculation. With this method, there isn't enough proof to conclude that the proportion of folks who don't forget Taco Bell as their favorite speedy meals eating place is less than 60%. Therefore, based on the given pattern, Jake does now not have enough evidence to finish that the People Magazine survey changed erroneously.

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The maximum area of the patio is, 450 feet²

Now, Lets remove the brackets from the function's expression

A(x) = -2x² + 60x

So we got the quadratic function and we have to find the x that corresponds to function's maximum. Let it be X max

As we know ,

X (max) = (X₁ + X₂)/2 ,

where X₁ and X₂ are the roots of the function A(x)

Lets find X₁ and X₂

x (60 - 2x) = 0

Hence, x₁ = 0  

And, 60 - 2X₂=0

x₂ = 30

So, X max= (0 + 30)/2 = 15

So A max= A(15) = 15 (60-2 x 15) = 15 (60 - 30) = 15 x 30 = 450 feet²

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The number in the mathematical statemnent is 1 1/2

From the question, we have the following parameters that can be used in our computation:

The sum of a number, 1/6 of that number, 2 1/2 that number, and 7 is 12 1/2

Represent the number with x

So, we have the following equation

x + x/6 + 5x/2 + 7 = 12 1/2

So, we have

x + x/6 + 5x/2 = 5 1/2

Multiply through by 6

This gives

6x + x + 15x = 33

Evaluate the like terms

22x = 33

Divide through by 22

So, we have

x = 33/22

This gives

x = 1 1/2

Hence, the number is 1 1/2

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The value of the number is 1.5

First, we have that;

Let the number be x

From the information given, we have that;

The sum of a number, 1/6 of that number, 2 1/2 that number, and 7 is 12 1/2. Find the number

This is represented as;

x + 1/6x + 5/2x + 7 = 25/2

find the LCM, we get;

42x + 7x + 105x + 294  /42 = 25/2

collect the like terms, we have;

154x + 294/42 = 25/2

cross multiply the values, we have;

(154x + 294) = 25 × 21

154x = 231

Divide both sides by the coefficient

x = 1. 5

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Answer:

y = 5x - 6

Step-by-step explanation:

the equation of a line in gradient- intercept form is

y = mx + c ( m is the gradient and c the y- intercept )

here m = 5 , then

y = 5x + c ← is the partial equation

to find c substitute (3, 9 ) into the partial equation

9 = 5(3) + c = 15 + c ( subtract 15 from both sides )

- 6 = c

y = 5x - 6 ← equation of line

The equation of the straight line with gradient 5 that passes through (3,9) is y = 5x - 6.

To find the equation of a straight line with a given gradient, we can use the point-slope form of the equation: y - y1 = m(x - x1). In this case, the gradient is 5 and the given point is (3,9). Plugging in the values, we have:

y - 9 = 5(x - 3)

Expanding the equation, we get:

y - 9 = 5x - 15

Then, rearranging the equation to the form y = mx + c, we have

y = 5x - 6

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The participants will walk 3 + 21 = 24 laps and run 15 laps if the Total distance is 24 laps.

The participants will walk and run if the total distance is 24 laps, we need to first find the values of A, B, C, and D. We can use the information given in the table to set up a system of equations:

A + B = 24   (total distance is 24 laps)

3 + B = C    (total is the sum of walking and running laps)

5 + 10 = D   (total running laps is 15)

Simplifying the equations, we get:

B = 24 - A

C = 3 + B

D = 15

Substituting the value of B in terms of A into the equation for C, we get:

C = 3 + (24 - A)

C = 27 - A

Now we can use the equation for the total distance to find the value of A:

A + (27 - A) = 24

27 = 24 + A

A = 3

Substituting A = 3 into the equations for B and C, we get:

B = 24 - 3 = 21

C = 27 - 3 = 24

Therefore, the participants will walk 3 + 21 = 24 laps and run 15 laps if the total distance is 24 laps.this solution is inconsistent with the values given in the table. So, there might be a mistake in the table or the problem statement. None of the given options match with this solution, but based on the given table, the closest option is: "They will walk 6 laps and run 18 laps." However, this solution is not consistent with the system of equations derived from the table.

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The graph of the line will be a straight line that slopes downward from left to right, intersecting the x-axis at -3 and the y-axis at 3.To find the x-intercept and y-intercept of the line −5x + 5y = 15, we can set either x or y to zero and solve for the other variable.

For the x-intercept, we set y = 0:

−5x + 5(0) = 15

−5x = 15

x = -3

So the x-intercept is -3.For the y-intercept, we set x = 0:

−5(0) + 5y = 15

5y = 15

y = 3

Therefore, the y-intercept is 3.

Now let's plot these intercepts on a graph. The x-intercept is at -3 on the x-axis, and the y-intercept is at 3 on the y-axis. We can connect these two points to draw the line.

By connecting the x-intercept (-3) and the y-intercept (3) on the graph, we obtain a straight line that represents the equation −5x + 5y = 15.

Note that the line passes through the points (-3, 0) and (0, 3).

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Answer:

[tex]y \leqslant x[/tex]