39. The occupations of postsecondary teachers, registered nurses,
and medical assistants are among the ten with the largest
growth from 2000 to 2012. (See the Chapter 2 opener.) The
number of postsecondary teacher jobs will grow 173 thou-
sand more than twice the number of medical assistant jobs.
The number of registered nurse jobs will grow 22 thousand
less than three times the number of medical assistant jobs.
If the total growth of these three jobs is predicted to be 1441
thousand, find the predicted growth of each job.

Answer:

24

Step-by-step explanation:

To solve for x=6 for this function, replace x in the equation as 6:

\(f(6)=6^2-2(6)\\f(6)=36-12\\f(6)=24\)

Answer:

 C I'm pretty sure

Step-by-step explanation:

The solutions to the quadratic equation x² + 4x = −1 are -3.7, -0.3.

The quadratic formula is expressed as:

x = (-b±√(b² - 4ac)) / (2a)

Given the quadratic equation in the question:

x² + 4x = −1

Rewrite in standard form:

x² + 4x + 1 = 0

Compared to the standard form ax² + bx + c = 0

a = 1

b = 4

c = 1

Plug these into the quadratic formula and solve for x.

x = (-b±√(b² - 4ac)) / (2a)

x = (-4 ±√( 4² - ( 4×1×1)) / (2×1)

x = (-4 ±√( 16 - 4)) / 2

x = (-4 ± 2√3 ) / 2

x = -2 ± √3

Hence:

x = -2 - √3 and x = -2 + √3

x = -3.7 and x = -0.3

Therefore, the solutions are x equal  -3.7, -0.3.

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Answer:

Hayden used 106 gallons for his tomatoes.

Step-by-step explanation:

212-14-58= 140 (what we know he used)

140-34= 106 (By subtracting what we will have left over, it tells us how much we would have to use to get there.

Answer:

3282

Step-by-step explanation:

its correct

A shifted ramp signal is a type of analog signal that starts from a specific value and gradually increases in a linear manner until it reaches another value, at which point it remains constant.

The "shifted" part refers to the starting value, which is not necessarily zero but can be any arbitrary value. This type of signal is commonly used in electronics and signal processing applications, such as in voltage-controlled oscillators and analog-to-digital converters. In essence, a shifted ramp signal is a linearly increasing signal that has been shifted up or down to start from a non-zero value.

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Answer:

C) commutative

Step-by-step explanation:

Example: a x b = b x a

Sixth grade students prefer action movie is 0.194 & Eight grade students prefer action movie is 0.333

Given that the information below:

Sixth grade students prefer animated movie - 45

Eight grade students prefer animated movie - 40

Sixth grade students prefer action movie - 35

Eight grade students prefer action movie - 60

Total sixth grade students - 80

Total eight grade students - 100

Total students prefer animated movie - 85

Total students prefer action movie - 95

Proportion of sixth grade students prefer action movie =

Sixth grade prefer action movie/Total students

= 35/180 = 0.194

Proportion of eight grade students prefer action movie =

Eight grade prefer action movie/Total students

= 60/180 = 0.333

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Therefore, the simplified form of the given expression is 7/36.

In mathematics, an expression is a combination of numbers, variables, and operators that represents a quantity or a mathematical relationship between quantities. Expressions can be simple or complex, and can involve one or more operations or functions. Expressions are an important concept in mathematics and are used in a wide range of applications, from simple arithmetic calculations to advanced mathematical modeling and analysis.

Here,

To simplify this expression, we can multiply the numerators of the fractions and multiply the denominators of the fractions, and then simplify the resulting fraction:

7/8 x 1/3 x 2/3 = (7 x 1 x 2)/(8 x 3 x 3)

= 14/72

We can simplify this fraction by dividing both the numerator and the denominator by their greatest common factor, which is 2:

14/72 = (2 x 7)/(2 x 36)

= 7/36

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Answer:

49

Step-by-step explanation:

\(MOE =z\frac{s}{\sqrt{n}}\)

\(\displaystyle 0.0005=2.326\biggr(\frac{0.0015}{\sqrt{n}}\biggr)\\\\0.0005\sqrt{n}=2.326(0.0015)\\\\\sqrt{n}=2.326(3)\\\\\sqrt{n}=6.978\\\\n\approx49\)

Therefore, you would need a sample size of 49 to obtain a margin of error of 0.0005

The cutoff score so that only 5% of the population has a higher score is 124.7.

If 5% of the population has a higher score, then the probability of selecting these is 0.05.

Find the z-score that corresponds to the probability in the z-table. (see attached images)

probability = 1 - 0.05 = 0.95

z-score = 1.647

Using the formula for the z-score below, determine the cutoff score.

z-score = (x – μ) / σ

where x = individual data value = cutoff score

μ = mean = 100

σ = standard deviation = 15

1.647 = (x - 100) / 15

1.647(15) = x - 100

x = 24.705 + 100

x = 124.705

cutoff score = 125

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Answer:

2

--

5

Step-by-step explanation:

Start by multiplying 2 and -4/5 as fractions

2 -4 -8

------ x ------ = -------

1 5 5

Then multiply 6 and 1/3 as fractions

6 1 6 2

------ x ------ = ------- = -----

1 3 3 1

Lastly,add the two results after converting 2/1 to 10/5 to use the Greatest Common Factor so you can add.

-8 10 2

------- + ------ = -------

5 5 5

Answer:

x = 0.45 (2 d.p.)

Step-by-step explanation:

Iteration is a numerical method used to approximate solutions to equations where exact solutions are difficult or impossible to obtain analytically.

It involves putting an approximate value of the solution into an iteration formula to calculate a new value based on the previous one. This process is repeated multiple times, with each iteration generating a more accurate approximation of the solution.

The iteration formula is just a rearrangement of the equation, leaving a single ‘x’ on one side.

For this problem, we have already been given the iteration formula and the starting value of x₁. However, sometimes you will need to determine the iteration formula. For example, to determine the iteration formula for x³ + 2x - 1 = 0, rearrange the equation as follows:

\(\begin{aligned}x^3+2x-1&=0\\x^3+2x&=1\\x(x^2+2)&=1\\x&=\dfrac{1}{x^2+2}\end{aligned}\)

Therefore, the iteration formula is:

\(\boxed{x_{n+1}=\dfrac{1}{{x_n}^2+2}}\)

To calculate the approximate solution to x³ + 2x - 1 = 0 using the given iteration formula, start by substituting  x₁ = 1 into the formula to find x₂:

\(x_2=\dfrac{1}{x_{1}{^2}+2}=\dfrac{1}{(1)^2+2}=\dfrac{1}{1+2}=\dfrac{1}{3}=0.3333...\)

Substitute the found value of x₂ into the formula to find the value of x₃:

\(x_3=\dfrac{1}{x_{2}{^2}+2}=\dfrac{1}{\left(\frac{1}{3}\right)^2+2}=\dfrac{1}{\frac{1}{9}+2}=\dfrac{1}{\frac{19}{9}}=\dfrac{9}{19}=0.47368...\)

Continue this way until the solutions are the same when rounded to 2 d.p:

\(x_4=0.44956...\)

\(x_5=0.45411...\)

\(x_6=0.45326...\)

\(x_7=0.45342...\)

\(x_8=0.45339...\)

\(x_9=0.45339...\)

Therefore, the approximate solution to x³ + 2x - 1 = 0 is 0.45, rounded to 2 decimal places.

Additional information

The quickest way to compute each solution (each value in the iteration sequence) is to enter the value of x₁ into the calculator and press "=" so that the value of x₁ becomes the "answer". Then type the iteration formula into the calculator, replacing xₙ with "answer":

\(\boxed{\dfrac{1}{\text{Ans}^2+2}}\)

Each time you press "=", the next value of xₙ in the sequence is computed.

W>x,w>y,x+y=w are the following statements must be true about this diagram.

Triangle is a three-sided geometric shape which has three angles and three sides. The three sides of a triangle are typically referred to as the base, the height, and the hypotenuse. A triangle can be classified as either right, obtuse, or acute depending on the measure of its angles. Right triangles have one right angle, obtuse triangles have one obtuse angle, and acute triangles have three acute angles.

Rules to know:

Triangles = 180 degrees

Straight lines = 180 degrees (example z + w = 180)

Therefore: angles of straight line = angles of triangle

A : w is an obtuse angle (greater than 90) and x is acute (less than 90)

E : w is obtuse whereas y is acute.

F : Since triangle = 180 = x + y + z

Straight line = 180 = z + w

Equate the two:

z + w = x + y + z  (subtract z from both sides)

w = x + y
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In the given stem-and-leaf plot, we can conclude that there are at least 5 outliers

The number of outliers in the given stem-and-leaf plot can be determined by identifying values that are significantly higher or lower than the majority of the data.

To find the number of outliers in the stem-and-leaf plot, we need to analyze the data distribution and identify values that deviate significantly from the rest of the scores.

Looking at the stem-and-leaf plot, we observe that the majority of the scores are concentrated between 20 and 90. The numbers 2, 3, 4, 5, 6, 7, 8, 9, and 10 represent the tens digit of the scores, while the leaves represent the ones digit.

Upon examining the plot, we notice that there are a few values that stand out from the rest. These values are 00, 01677, 6899, 233569999, and 01268. Outliers are typically defined as values that fall outside the "typical" range of the data, and these values appear to deviate significantly from the majority of the scores.

To determine the exact number of outliers, we need to apply specific criteria. One common method is to use the 1.5 × IQR (interquartile range) rule. The IQR is calculated as the difference between the third quartile (Q3) and the first quartile (Q1) of the data. Any values below Q1 - 1.5 × IQR or above Q3 + 1.5 × IQR are considered outliers.

In this case, we don't have the exact raw data to calculate the quartiles and IQR. However, based on visual inspection of the stem-and-leaf plot, we can still identify the values mentioned earlier as outliers due to their significant deviation from the majority of the scores.

Therefore, in the given stem-and-leaf plot, we can conclude that there are at least 5 outliers

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Answer:

0.247 <0.427 <0.742 <2.740

Step-by-step explanation:

0.247 <0.427 <0.742 <2.740

There are more than four combinations...

Step-by-step explanation:

question not complete

do mark Brainliest

the monthly payments for the loan are approximately $2,372.51.

To calculate the monthly payments for the loan, we need to use the following formula:

PMT = (r * PV) / (1 - (1 + r)^(-n))

where PMT is the monthly payment, r is the monthly interest rate, PV is the present value of the loan (in this case, $100,000), and n is the number of monthly payments (in this case, 4 years * 12 months/year = 48 months).

To calculate the monthly interest rate, we need to first calculate the nominal annual interest rate, compounded monthly. We can do this using the following formula:

r_nom = (1 + r_eff)^(1/12) - 1

where r_eff is the effective annual interest rate, which is given as 9.25%. Substituting:

r_nom = (1 + 0.0925)^(1/12) - 1 = 0.007449

So the monthly interest rate is 0.7449%.

Now we can plug in the values to the formula for PMT:

PMT = (0.007449 * 100000) / (1 - (1 + 0.007449)^(-48)) = $2,372.51

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Answer: give me brainliest pls

Step-by-step explanation:

Answer:

d) 7:50

Step-by-step explanation:

6pm is 18/24

18/24 = 3/4

3/4 of 10 = 7.5

The time represented by a 10-hour day format at 6 pm n the 24-hour day format is 7.5 hours, the correct option is D.

Fraction is the part of the whole, It is represented in the form of p/q, where q is not equal to zero.

The days are divided into hours, minutes, and seconds

The 6 pm time represents 18 hours

The total time is 24 hours so

6 pm represents an 18/24 portion of the day

= 3/4 th portion of the day is 6 om.

For a 10 hours day

3/4 th portion is 3*10 /4 = 7.5 hours

Therefore, the time represented by a 10-hour day format at 6 pm n the 24-hour day format is 7.5 hours.

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Factors and measurements considered to estimate mean and standard deviation of job performance. Standard costing compares actual performance to a target, estimating variability (SDy).

Estimating the mean and standard deviation of dollar-valued job performance for Assemblers at the Tiny Company involves considering several factors. Individual performance. These factors can be measured using methods such as performance evaluations, experience records, surveys, and quality audits.

Once the factors are determined, standard costing techniques can be applied. This involves setting a standard performance target based on historical data and industry benchmarks.

By comparing actual performance to the standard, the variance can be calculated. The standard deviation (SDy) is then estimated by considering the variances over a given period. SDy reflects the variability from the expected value and provides insights into the dispersion of job performance.

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24 because when you plug in 0 for both x and y:  

0=12(0)+24  

12*0=0, leaving you with 24.

Answer:

Ok ill find the slope for this graphhhhh

Step-by-step explanation:

-3/4

Answer:

A. y = 3x.

Step-by-step explanation:Relation 2 is a straight line that does not pass through the origin, so it is a partial variation.

The area of the pool is 600 square units rounded to the tens place.

The area of the symmetrical pool in the water park can be determined by finding the product of its length and width. From the given figure, it appears that the length of the pool is approximately 30 units and the width is approximately 20 units.

To find the area, we multiply the length and width:

Area = length × width

Area = 30 units × 20 units

Area = 600 square units

Rounding to the tens place means we want to round the area to the nearest multiple of 10. In this case, the area of 600 square units would round to 600.

Therefore, the area of the pool rounded to the tens place is 600 square units.

To summarize:

- The length of the pool is approximately 30 units.
- The width of the pool is approximately 20 units.
- The area of the pool is 600 square units rounded to the tens place.

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