according to the model, an extra pound of weight causes the self esteem score to go down by points. this slope is negative and shows that the variables of a child's weight and self-esteem have a negative correlation. true or false

or stocks, one point equals one dollar. So when you hear that a stock has lost or gained X number of points, it is the same as saying the stock has lost or gained X number of dollars.

Using points to describe share price gains, or declines, is generally done to describe short-term results, such as for the day or week.

Although one point always equals one dollar, the percentage value of a one-point movement can be different for two companies. Points refer only to the dollar amount that has changed, not the percentage. Two stocks can lose the same number of points but very different percentages.

7) Required value of HG is 13 ft.

8) The measure of x in the triangle below is 13 ft.

What is value of cosine formula ?

let say there is AABC,and opposite side of ZA is a, opposite side of <B is b, opposite side of C is c.

then cos(A) = (b² × c² - a²)/(2bc)

given that AFGH . FH = 8ft , FG = 13ft ,and m angle F = 72 deg

by law of cosines to find the HG, since

we know the lengths of FH and FG and

the measure of angle F.

Let's say length of HG be "x".

Then by law of cosines:

x² = 8² + 13²- 2(8)(13) × cos(72°)

x²= 64 + 169 - 208cos(72°)

cos(72°) , which is approximately 0.309., we get:

x²= 233 - 208(0.309)

x² = 169.072

x² = 64+169-208cos(72°)

cos(72°), which is approximately 0.309., we get:

x² = 233-208(0.309)

x²= 169.072

Taking the square root of both sides, we get:

x = 13 (approx)

So the length of HG is approximately 13 feet.

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Answer:

-12

Step-by-step explanation:

The correct answer is (b) all real numbers except odd multiples of π/2. The domain of validity for cscθ (cosecant) is restricted because cosecant is undefined when the sine of an angle is zero.

In the trigonometric identity cscθ = 1/sinθ, the denominator sinθ becomes zero at odd multiples of π/2 (such as π/2, 3π/2, 5π/2, etc.), resulting in a division by zero error. Therefore, the cosecant function is not defined for these values of θ.

For all other real numbers θ, the sine function is non-zero and well-defined, allowing us to calculate the reciprocal of the sine and determine the value of the cosecant. Hence, the domain of validity for cscθ is all real numbers except odd multiples of π/2, as stated in option (b).

It's important to note that in trigonometry, the domain of validity is determined by avoiding any values that would lead to undefined expressions or division by zero errors.

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The domain of validity for csc θ = 1/sin θ is all real numbers except multiples of π, because at these points the sine function equals zero, and division by zero is undefined.

In mathematics, the cosecant function (csc), is defined as the reciprocal of the sine function, or 1/sinθ. The domain of a function are all the possible input values that will yield real numbers (output). For the csc function, its domain includes all real numbers except where the denominator is zero because division by zero is undefined.

In the unit circle context, sine equals zero at 0, π, 2π, ..., and the negative counterparts. Basically, these are the multiples of π. Thus, for the csc function, the domain is all real numbers except multiples of π, which matches option d in your choices.

The domain of validity for csc θ = 1/sin θ is all real numbers except multiples of π.

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Answer:

FH = 6.0

FG = 3.6

m<H = 31°

Step-by-step explanation:

sin Θ = opp/hyp

cos Θ = adj/hyp

sin 59° = FH/GH

sin 59° = FH/7

FH = 7 × sin 59°

FH = 6.0

cos 59° = FG/GH

cos 59° = FG/7

FG = 7 × cos 59°

FG = 3.6

m<F + m<G + m<H = 180°

90° + 59° + m<H = 180°

m<H = 31°

Step-by-step explanation:

We can call the original value x. In 2012, the painting's value was 1.05 x. In the beginning of 2013, the value was (1.05 x) * 0.98, and that increased to (1.05x) * 0.98 * 1.40 at the end of 2013. When we simplify, we get 1.4406 x as a value, and we know that this is equal to $52,640. We can write 1.4406x = 52640, and when we solve for x, we get x ≈ $36415.38. Hope this helps!

The smallest number that is a product of both numbers being compared (can be one of the numbers, can't be smaller than both numbers) is called the "least common multiple" (LCM).

The LCM is the smallest positive integer that is a multiple of both numbers without leaving a remainder. It is also known as the lowest common multiple or smallest common multiple. For example, the LCM of 6 and 8 is 24 because 24 is the smallest integer that is a multiple of both 6 and 8 without leaving a remainder. Similarly, the LCM of 10 and 15 is 30 because 30 is the smallest integer that is a multiple of both 10 and 15 without leaving a remainder. The LCM is an important concept in mathematics and is used in various applications, such as finding common denominators, solving equations involving fractions, and analyzing periodic phenomena. There are different methods to find the LCM of two or more integers, such as prime factorization, the division method, and the use of the GCD (greatest common divisor) or GCF (greatest common factor).

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The repairs have indeed changed the nature of the output of the machine, with an overall improvement in the quality of the parts produced.

To determine if the repairs have changed the nature of the output of the machine, we can compare the percentages of excellent, good, and unacceptable parts before and after the repairs.

Before repairs:
- 80% excellent
- 16% good
- 4% unacceptable

After repairs, we can calculate the percentages based on the sample of 200 parts:
- 157 excellent parts: (157/200) * 100 = 78.5% excellent
- 42 good parts: (42/200) * 100 = 21% good
- 1 unacceptable part: (1/200) * 100 = 0.5% unacceptable

Comparing these percentages, we can see that the output has changed after the repairs:
- Excellent parts decreased from 80% to 78.5%
- Good parts increased from 16% to 21%
- Unacceptable parts decreased from 4% to 0.5%

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Hello !

Answer:

\(\boxed{\sf V{cone} \approx 2408.55 m^3}\)

Step-by-step explanation:

To find the volume of a cone with the radius of its base and its height, we will apply the following formula:

\( \sf V{cone} = \dfrac{\pi \times r^2 \times h}{3} \)

Where r is the radius of its base and h is its height.

Given:

Let's substitute our values into the formula:

\(\sf V{cone} = \dfrac{\pi (10)^2(23)}{3} = \dfrac{2300\pi}{3} \ \ \\\boxed{\sf V{cone} \approx 2408.55 m^3}\)

Have a nice day ;)

To determine the price the student-athlete should charge for each hot dog to break even, we need to consider the total costs she incurs, including the vendor fee, equipment cost, and the cost per hot dog. By dividing the total costs by the anticipated number of hot dogs sold, we can find the price per hot dog that would allow her to break even.

The total costs for the student-athlete include the vendor fee of $3000 and the equipment cost of $4500, which sums up to $7500 for the season. Additionally, she incurs a cost of $0.35 per hot dog sold. With an anticipation of selling 2000 hot dogs, the total cost for the hot dogs would be 2000 x $0.35 = $700.

To break even, the total revenue from selling the hot dogs should cover the total costs. Therefore, the price per hot dog should be set in such a way that the revenue from selling 2000 hot dogs equals $7500. Dividing the total costs ($7500) by the number of hot dogs (2000), we find that the student-athlete should charge $3.75 per hot dog in order to break even. This price per hot dog would allow her to cover all her expenses and reach the break-even point.

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The change she receive = 20-6.43= 13.57$

Answer:

$13.57

Step-by-step explanation:

$20 - $6.43

=13.57

The number √3 has a result less than 2 and greater than 1. We know this because the square of 2 is 4, that is √4 = 2 and √2 is less than 2 itself.

Hence, the number √3 lies between √2 and √4.

More precisely, it lies between 1 and 2 (the result of √3 is 1.732)

√

Answer:

D

Step-by-step explanation:

im taking the test for math on apex

Answer:

Step-by-step explanation:

The nice correct answer is D your welcome

The exponential smoothing forecast for period 5, assuming an alpha (α) value of 0.4, is determined by applying the exponential smoothing formula.

The exponential smoothing formula is given by:

Forecast for period t = α * Actual value for period t + (1 - α) * Forecast for period t-1

In this case, we need the forecast for period 5, so we will use the formula to calculate it based on the available data.

To calculate the exponential smoothing forecast for period 5, we use the given alpha (α) value of 0.4 and the available data for previous periods. The formula considers the actual value for period t and the forecast for the previous period (t-1).

Since we are calculating the forecast for period 5, we need the actual value for period 5 and the forecast for period 4. However, these values are not provided in the given information. Without the actual value for period 5 or the forecast for period 4, it is not possible to provide a specific numerical answer for the exponential smoothing forecast for period 5.

The exponential smoothing technique is commonly used for forecasting, where the alpha (α) value determines the weight given to the most recent observations. A higher alpha value places more weight on recent data, while a lower alpha value gives more weight to historical data. By adjusting the alpha value, the forecast can be adjusted to respond more quickly or more slowly to changes in the data.

To calculate the exponential smoothing forecast for period 5, it is essential to have the necessary data points. With the provided alpha (α) value of 0.4, the formula can be applied once the required data is available.

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A ray has only one endpoint. A segment has two endpoints.

What is a line?

A line is an object in geometry that is infinitely long and has neither width nor depth nor curvature. Since lines can exist in two, three, or higher-dimensional spaces, they are one-dimensional objects. In everyday language, a line segment with two points designating its ends is also referred to as a "line."

A ray and a segment are parts of a line.

This line segment has two fixed-length endpoints, A and B. The distance between this line segment's endpoints A and B is its length.

In other words, a line segment is a section or element of a line with two endpoints. A line segment, in contrast to a line, has a known length.

A line segment's length can be calculated using either metric units like millimeters or centimeters or conventional units like feet or inches.

Ray has only one endpoint and the other ends go infinity.

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To determine the amount in Tina's account after 25 years, we can calculate the future value of her contributions and the employer's matching contributions, taking into account the interest rate of her 401(k) plan.

Given information:

Tina contributes 9.5% of her monthly salary towards her 401(k).

Her employer matches her contribution up to 5.4% of her annual salary.

The interest rate of her 401(k) is 8.1% compounded monthly.

Her monthly salary is $2,461.

To calculate the future value, we can use the formula for compound interest:

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

Where:

FV = Future Value

P = Principal (initial investment or contribution)

r = Annual interest rate (as a decimal)

n = Number of compounding periods per year

t = Number of years

Let's calculate the future value step by step:

Calculate Tina's monthly contribution:

Monthly contribution = 9.5% * $2,461 = $233.995

Calculate Tina's annual salary:

Annual salary = $2,461 * 12 = $29,532

Calculate Tina's employer's matching contribution:

Matching contribution = 5.4% * $29,532 = $1,595.728

Calculate the total contribution per month:

Total contribution per month = Monthly contribution + Employer's matching contribution

Total contribution per month = $233.995 + $1,595.728 = $1,829.723

Therefore, the amount in Tina's account after 25 years is approximately $347,269.59.

From the provided answer choices, the closest option is d. $347,269.59.

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Answer:

The scale factor would be 1/3

Step-by-step explanation:

Find the scale factor by comparing the heights of the preimage and image.

The height of the image is 4 and the height of the preimage is 12

So the scale factor is 4/12, which can be simplified to 1/3

Below is the graph. In other words, the last one is correct.

Answer:

D on edge

Step-by-step explanation:

put the function into desmos

Given

Finite Geometry

Find

Definition

Explanation

A finite geometry is a geometric system that has only finite number of points.

For example

It has 4 points and 6 lines.

Final Answer

A finite geometry is a geometric system that has only finite number of points.

For lower cuboid

l=16m

b=9n

h=6m

For upper cuboid

l=9m

b=2m

h=6m

Note: volume of cuboid =l×b×h

total volume =lower cuboid +upper cuboid

=16*9*6+2*6*9=972m³

Answer:

Step-by-step explanation:

The volume is the sum of volumes of two rectangular prisms:

Explanation

Step 1

we have a expression in the form.

we need two a and b numbers such as

now, we can factorize

I hope this helps you

Answer:

b

Step-by-step explanation:

because its right

Answer:

1. 2.7 (also as \(\frac{27}{10}\) or \(2\frac{7}{10}\))

2. 8

3. 2

4. -2

5. 0.25

hope this helps:)

Fi and Se decide that they are going to make money by selling trail mix.

1. Key Information;

Sunflower seeds cost $4 per pound

Raisins cost $1.5 per pound

They have only $34 left to spend.

2. Variables are ;

s = no. of pounds of sunflower seeds

r = no. of pounds of raisin seeds

3. The equation ( inequality ) is;

The number of bombs that should be dropped to give a 99% chance or better of completely destroying the target can be 11, 12, and 13.

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.

The probability of success in one strike is p = 1/2

The probability of failure will be:

q = 1/2 ​

Now, the probability of a successes P( x = a ) = ₙCᵃ ​× ( 1/2​ )ᵃ × ( 1/2 )ⁿ ⁻ ᵃ

P( x = a ) = ₙCᵃ ​ ( 1/2 )ⁿ

According to the given condition,

P( x ≥ 2 ) ≥ 0.99

= 1 − P( x < 2 ) ≥ 0.99

= 1 − P( x = 0 ) − P( x = 1 ) ≥ 0.99

= 1 − 0.99 ≥ ( 1 + n)/2ⁿ ​

= 2ⁿ ≥ 100 + 100n

When n = 10, 2ⁿ < 100 + 100n

For n = 11, 12, 13, 2ⁿ > 100 + 100n

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Using the distance formula, the length of bc is found to be 2a, while the length of de simplifies to a. Therefore, bc is twice de, proving that de is half the length of bc.


The distance formula calculates the distance between two points in a Cartesian coordinate system. By applying this formula to the points involved in the problem, we can determine the lengths of bc and de. Using the coordinates given, we find that the length of bc is equal to 2a.

By substituting the coordinates of points d and e into the distance formula, we find that the length of de simplifies to a. Comparing the two lengths, we see that bc is twice the length of de, demonstrating that de is half the length of bc. This proof relies on the properties of midpoints, which divide a line segment into two equal parts, leading to the proportional relationship between bc and de.

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Answer:

sorry dont know

Step-by-step explanation:

good luck tho

\

f(x) = 0.5x-1.5x+1

4x<-1

-1 ≤ x ≤ 3

x < 3

Answer: 3a

Step-by-step explanation:

(4a*6a)/8a

24a^2/8a

3a

\(4a\times6a\)

\(4\times6=24\\4a\times6a=24a\)

\(\dfrac{24a}{8a}\)

\(=\fbox{3a}\)

Answer:

k=1.5

Step-by-step explanation:

\(k = 117 \div 78 = 1.5 \)

Answer:

18cm

if it takes 12cm to wrap 6 presents, it means it takes 2cm to wrap one present.

9 individual presents will take 2 wraps, so Dwayne needs 18cm of wrapping paper.

Answer:

8 pipes

Step-by-step explanation:

given that when height increases also time increases and automatically no of pipes will be decreased Mathematically;

h∝t•1/p

remove proportionality symbol and we will get

h=kt

p

make k as subject and we'll get

k=hp

t

find the value ok k

k=3×5

4

k=15

4

k=3.75

from h=kt. make p as subject and the answer should be

p=kt. find p

h

p=3.75×10

5

p=37.5

5

p=7.5 or 8

hence 8 pipes should be used