HELP HURRY. What is the sum when you simplify the expression 3 + (-4)?
​

The scale factor used to create the image is given as follows:

k = 1.5.

A dilation can be defined as a transformation that multiplies the distance between every point in an object and a fixed point, called the center of dilation, by a constant factor called the scale factor.

The vertices of the dilated triangle A'B'C' are obtained multiplying the vertices of the original triangle ABC by 1.5, hence the scale factor is given as follows:

k = 1.5.

For example, the vertices A and A' are given as follows:

(that is, we multiply the coordinates of A by 1.5 to obtain the coordinates of A').

More can be learned about dilation at brainly.com/question/3457976

#SPJ1

The correct representations of the inequality expression are (a) 6x – 15 > -10 + 5x and (c) 3(2x – 5) > -5(2 – x)

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

–3(2x – 5) < 5(2 – x)

Divide bot sides of the inequality by -1

So, we have the following representation

3(2x – 5) > -5(2 – x)

Next, we open the brackets

This gives

6x – 15 > -10 + 5x

Hence, the representation is 6x – 15 > -10 + 5x

Read more about inequality at

https://brainly.com/question/25275758

#SPJ1

Complete question

Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.

(a) 6x – 15 > -10 + 5x

(b) 6x – 15 < -10 + 5x

(c) 3(2x – 5) > -5(2 – x)

(d) 3(2x – 5) < -5(2 – x)

Question 1: The item not included in the cost of merchandise inventory is "Purchase discounts."

2: The total cost of the merchandise is $3,332.00.

5: The company's gross margin and operating expenses, are $211,000 and $191,720.

Merchandise inventory expenses normally consist of the price paid for the inventory, deductions from the purchase price resulting from purchase returns and allowances, and freight expenses paid by the purchaser.

Although purchase discounts reduce the cost of merchandise inventory, they are not considered part of it. Instead, they are treated as a distinct discount in the accounting records.

Learn more about merchandise inventory from

https://brainly.com/question/27046371

#SPJ1

The perimeter of triangle JKL is  determined as 68 units.

The perimeter of triangle JKL is calculated as follows;

The perimeter of triangle JKL is the sum of all the distance round the triangle.

Perimeter = length JK + length LK + length JL

AL = CL = 12

Length LK = CL + CK = 12 + 8 = 20

JA = JB = 14

KB = CK = 8

Length JK = JB = KB = 14 + 8 = 22

Length JL = JA + AL = 14 + 12 = 26

The perimeter of triangle JKL is calculated as;

Perimeter = 20 + 22 + 26

Perimeter = 68 units.

Learn more about perimeter of triangle here: https://brainly.com/question/24382052

#SPJ1

Answer:

Step-by-step explanation:

An inverse variation equation is:

We have y = 3 when x = 8, find the coefficient k:

The equation is:

Answer:

-24

Step-by-step explanation:

You start with -6 points, and get another -6 on the rest of the turns which is a total of 4 turns.

-6 x 4 is -24

Unless this question is missing some information, this should be correct I believe.

Hope this helps!

The score after 4 turns is -24.

Given that, you play a game where you score -6 points on the first turn and on each of the next 3 turns.

We need to find what is the score after 4 turns.

An integer is a number with no decimal or fractional part and it includes negative and positive numbers, including zero.

Now, the score after 4 turns = Score of the first turn + The next 3 turns

= -6 + 3(-6)

=-6-18

=-24

Therefore, the score after 4 turns is -24.

To learn more about integers visit:

brainly.com/question/15276410.

#SPJ2

The upper control limit (UCL) is approximately 2.0018 litres, and the lower control limit (LCL) is approximately 1.9982 litres, which would include roughly 95.5 percent of the sample means.

Now let's check if the process is in control using the given sample means:

To determine the upper and lower control limits for the sample means, we can use the formula:

Upper Control Limit (UCL) = Mean + (Z * Standard Deviation / sqrt(n))

Lower Control Limit (LCL) = Mean - (Z * Standard Deviation / sqrt(n))

In this case, we want to include roughly 95.5 percent of the sample means, which corresponds to a two-sided confidence level of 0.955. To find the appropriate Z-value for this confidence level, we can refer to the standard normal distribution table or use a calculator.

For a two-sided confidence level of 0.955, the Z-value is approximately 1.96.

Given:

Mean = 2.0 litres

Standard Deviation = 0.01 litres

Sample size (n) = 5

Using the formula, we can calculate the upper and lower control limits:

UCL = 2.0 + (1.96 * 0.01 / sqrt(5))

LCL = 2.0 - (1.96 * 0.01 / sqrt(5))

Calculating the values:

UCL ≈ 2.0018 litres

LCL ≈ 1.9982 litres

Therefore, the upper control limit (UCL) is approximately 2.0018 litres, and the lower control limit (LCL) is approximately 1.9982 litres, which would include roughly 95.5 percent of the sample means.

Now let's check if the process is in control using the given sample means:

Mean of the sample means = (2.005 + 2.001 + 1.998 + 2.002 + 1.995 + 1.999) / 6 ≈ 1.9997

Since the mean of the sample means falls within the control limits (between UCL and LCL), we can conclude that the process is in control.

Learn more about means from

https://brainly.com/question/1136789

#SPJ11

Answer:

4\(\sqrt{3}\)

Step-by-step explanation:

\(\sqrt{48}\) is not in simplest form, however, 48 contains a perfect square as a factor, that is 16 × 3

using the rule of radicals

\(\sqrt{ab}\) ⇔ \(\sqrt{a}\) × \(\sqrt{b}\) , then

\(\sqrt{48}\)

= \(\sqrt{16(3)}\)

= \(\sqrt{16}\) × \(\sqrt{3}\)

= 4\(\sqrt{3}\) ← in simplest form

Approximately 17 students who took the optional class passed their driver's test.

Let's solve this problem step by step.

We are given the following information:

28 out of 75 students who took the optional class passed their driver's test.

8 out of 15 students overall passed their driver's test.

3 out of 5 students took the optional class.

To find the number of students who took the optional class and passed, we need to calculate the intersection of these two groups.

First, let's calculate the total number of students who took the optional class:

Total students who took the optional class = (3/5) \(\times\) Total number of students

Total students who took the optional class = (3/5) \(\times\) 75 = 45

Now, let's calculate the total number of students who passed their driver's test:

Total students who passed their driver's test = (8/15) \(\times\) Total number of students

Total students who passed their driver's test = (8/15) \(\times\) 75 = 40

Next, let's find the number of students who both took the optional class and passed their driver's test.

This can be found by taking the intersection of the two groups:

Number of students who took the optional class and passed = (28/75) \(\times\)Total students who took the optional class

Number of students who took the optional class and passed = (28/75) \(\times\)45 = 16.8 (approximated to the nearest whole number).

Therefore, approximately 17 students who took the optional class passed their driver's test.

It's important to note that since we're dealing with whole numbers, the approximated answer is 17, as we cannot have a fraction of a student.

For similar question on intersection.

https://brainly.com/question/30915785  

#SPJ8

Answer:

The approximate angle of \(\vec u = \frac{1}{2}\cdot \vec v\), where \(\vec v = \langle 10, 15\rangle\), is 56º.

Step-by-step explanation:

Let \(\vec v = \langle 10, 15\rangle\) and \(\vec u = \frac{1}{2}\cdot \vec v\), then the resulting vector is described below:

\(\vec u = \frac{1}{2}\cdot \langle 10,15\rangle\)

\(\vec u = \left\langle 5,\frac{15}{2} \right\rangle\)

From Trigonometry, we find that direction angle of this vector is defined by the following inverse trigonometric expression:

\(\theta = \tan^{-1}\left(\frac{u_{y}}{u_{x}} \right)\) (1)

Where:

\(u_{x}\) - x-Component of \(\vec u\), dimensionless.

\(u_{y}\) - y-Component of \(\vec u\), dimensionless.

If we know that \(u_{x} = 5\) and \(u_{y} = \frac{15}{2}\), then the direction angle of the vector is:

\(\theta = \tan^{-1}\left(\frac{\frac{15}{2}}{5} \right)\)

\(\theta =\tan^{-1} \frac{15}{10}\)

\(\theta = \tan^{-1} \frac{3}{2}\)

\(\theta \approx 56.310^{\circ}\)

The approximate angle of \(\vec u = \frac{1}{2}\cdot \vec v\), where \(\vec v = \langle 10, 15\rangle\), is 56º.

Answer:

C. 124

Step-by-step explanation:

When the distance between the objects is 5.5 meters, the force (F) is approximately 0.0827 Newtons (rounded to 2 decimal places).

According to the given information, the force (F) between two objects is inversely proportional to the square of the distance (d) between them. Mathematically, this can be represented as \(F = k/d^2,\)

where k is the constant of proportionality.

To find the value of k, we can use the given data point where the force is 0.07 Newtons when the distance is 6 meters. Plugging these values into the equation, we get:

\(0.07 = k/6^2\)

Simplifying, we have:

0.07 = k/36

To solve for k, we can multiply both sides of the equation by 36:

\(k = 0.07 \times 36\)

k = 2.52

Now that we have the value of k, we can calculate the force (F) when the distance (d) is 5.5 meters:

\(F = 2.52 / 5.5^2\)

F ≈ 0.0827

For similar question on distance.

https://brainly.com/question/30339968

#SPJ11

Answer:

8:30

Step-by-step explanation:

At 12:00 (noon) In New York, It is 2:00 pm in Rio De Janerio.

That if he left at 1 in NY it would've been 3 in Rio, 3+5.5=8.5

Which is 8:30 pm. Hope this helped!!

Without using a calculator, the trigonometric expressions simplify to:

1. sin^(-1)(sin(θ/6)) = θ/6

2. cos^(-1)(cos(5/4)) = 5/4

3. tan^(-1)(tan(5/6)) = 5/6.

To compute the trigonometric expressions without using a calculator, we can make use of the properties and relationships between trigonometric functions.

1. sin^(-1)(sin(θ/6)):

Since sin^(-1)(sin(x)) = x for -π/2 ≤ x ≤ π/2, we have sin^(-1)(sin(θ/6)) = θ/6.

2. cos^(-1)(cos(5/4)):

Similarly, cos^(-1)(cos(x)) = x for 0 ≤ x ≤ π. Therefore, cos^(-1)(cos(5/4)) = 5/4.

3. tan^(-1)(tan(5/6)):

tan^(-1)(tan(x)) = x for -π/2 < x < π/2. Thus, tan^(-1)(tan(5/6)) = 5/6.

Hence, without using a calculator, we find that:

sin^(-1)(sin(θ/6)) = θ/6,

cos^(-1)(cos(5/4)) = 5/4,

tan^(-1)(tan(5/6)) = 5/6.

To know more about trigonometric expressions refer here:

https://brainly.com/question/12676341#

#SPJ11

When analyzing the multiple regression model, the real estate builder should be concerned with Multicollinearity.

This is a phenomenon in regression analysis where some of the independent variables are correlated. This can present an issue because the correlation leads to less reliable results.

The income in this research is influenced by the education and they both influence family size. There is therefore an issue of multicollinearity here because some variables are correlated.

Find out more on Multicollinearity at https://brainly.com/question/16021902.

The correct point-slope equation for the line that passes through the point (-4,-2) and is parallel to the line given by y = 5x + 44 is: A. y + 2 = 5(x + 4)

In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical expression:

y - y₁ = m(x - x₁)

Where:

Since the line is parallel to y = 5x + 44, the slope is equal to 5.

At data point (-4, -2) and a slope of 5, a linear equation for this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

y - (-2) = 5(x - (-4))  

y + 2 = 5(x + 4)

Read more on point-slope here: brainly.com/question/24907633

#SPJ1

Determine the ratio $0.80 to $1.20 in lowest term.

So ratio in lowest term is 2:3

Answer: 2:3

we should guess 4 or 5 as the first digit to maximize our chance of being correct.

The graph below shows the approximate probabilities for n = 1 to 10.

we find that this occurs when n is approximately 65.

a) Since the digits are independent and uniformly distributed, the expected value of each digit is 4.5.

Therefore, we should guess 4 or 5 as the first digit to maximize our chance of being correct.

b) For n = 1, there is a 10% chance of guessing correctly. For n = 2, there are 100 possible two-digit numbers, and only 11 of them have an average of 4 or 5 (04, 05, 13, 14, 22, 23, 31, 32, 40, 41, and 50).

Therefore, the chance of guessing correctly is 11/100 or 11%. For larger values of n, we can approximate the probability using the central limit theorem. The distribution of Dn approaches a normal distribution with mean 4.5 and standard deviation sqrt(8.25/n). Therefore, the probability of guessing correctly can be approximated by the area under the normal curve between 3.5 and 5.5. The graph below shows the approximate probabilities for n = 1 to 10.

c) We want to find the smallest value of n such that the probability of guessing correctly is at least 0.99. From the central limit theorem, we know that the probability of guessing correctly is approximately normal with mean 4.5 and standard deviation sqrt(8.25/n).

Therefore, we want to find the smallest value of n such that the area under the normal curve to the right of 5.5 is at least 0.01. Using a standard normal table or calculator, we find that this occurs when n is approximately 65.

To know more about central limit theorem, refer here:

https://brainly.com/question/18403552

#SPJ11

Answer:

146.93 m^2

Step-by-step explanation:

1. Area of the triangle plus the area of the semicircle.

2. Triangle: b x h x .5 14 x 10 x .5= 70

3. area of semicircle: (πr^2).5 7^2 x π x .5 = 76.93

We halved the area of a circle since we have half a circle.

4. 76.93+70= 146.93

Additionally, since there are only 100 hens available to sample, a two-sample design will preserve more degrees of freedom than a matched-pairs design. Therefore, the two-sample analysis is the stronger design for this experiment.

When it comes to designing an experiment to investigate whether a food additive can increase egg production in hens, a two-sample procedure and a matched-pairs procedure are being considered. In order to decide which design is stronger, it is important to consider the factors that each design controls for and how they will impact the results.

a) Design an experiment that will require a two-sample procedure to analyze the results. Randomly assign hens to each of the two kinds of feed. Compare production at the end of the month.

b) Design an experiment that will require a matched-pairs t procedure to analyze the results.Give hens the new feed for 2 weeks and the old feed for 2 weeks, randomly selecting which feed the hens get first. Analyze the differences in production for the hens.

c) Which experiment would you consider the stronger design? Why?

Based on the factors being controlled for and the available sample size, the two-sample analysis is the stronger design. This is because hens naturally vary in egg production, and by randomly assigning them to each feed group, the two-sample design will control for this variability. On the other hand, the matched-pairs design only allows for each hen to be tested with one feed, which means that any variability due to individual hens will not be accounted for.

for such more questions on matched-pairs design

https://brainly.com/question/16448112

#SPJ11

Answer:

C

Step-by-step explanation:

Not integer, irrational

Answer:

no,because <1 and <5 are not congruent

Step-by-step explanation:

i did the test yw

Experimental study: Manipulates variables to observe their impact.

Correlational study: Examines relationships between variables without manipulation.

This study is an example of an experimental study. In an experimental study, the researcher manipulates an independent variable (in this case, the type of breakfast given to the students) and examines its impact on a dependent variable (academic performance). The study involves dividing the participants into two equivalent groups and assigning them to different breakfast conditions.

In this case, the researcher specifically assigned one group to receive a nutritious breakfast and the other group to receive a non-nutritious breakfast. By controlling and manipulating the independent variable, the researcher can observe any potential effects on academic performance, which is the dependent variable. The study design allows for comparisons between the two groups to determine if there are differences in academic performance based on the type of breakfast provided.

On the other hand, a correlational study aims to examine the relationship or association between variables without manipulating them. It does not involve assigning participants to different groups or controlling the independent variable. Instead, it focuses on observing and measuring variables as they naturally occur to assess their potential relationship.

Regarding the second part of your question, a person with strong critical thinking skills and habits of mind is more likely to evaluate information objectively, analyze it systematically, consider multiple perspectives, and make informed and reasoned judgments. They are more likely to engage in logical reasoning, evidence-based thinking, and open-mindedness, leading to more accurate and well-reasoned conclusions.

learn more about "manipulation":- https://brainly.com/question/28190791

#SPJ11

Answer:

7 levels

Step-by-step explanation:

Let x = number of levels

⇒ 5.2 + 7.3x = 60

⇒ 7.3x = 60 - 5.2 = 54.8

⇒ x = 54.8 ÷ 7.3 = 7.5068...

Need to round down to whole complete levels, so number of levels you can play for free = 7

Solution:

Note that:

Finding how much levels for free.

Round it down to find the exact number of free levels you can play.

We can play 7 levels for free.

The probability of throwing an odd number with a normal dice is 1/2

When rolling a normal six-sided B, there are six equally likely outcomes: 1, 2, 3, 4, 5, and 6. Out of these six numbers, three of them (1, 3, and 5) are odd numbers. Thus, there are three favorable outcomes (odd numbers) out of a total of six possible outcomes.

To calculate the probability, we divide the number of favorable outcomes by the total number of possible outcomes. In this case, the probability of throwing an odd number is 3/6, which simplifies to 1/2.

This means that there is a 50% chance of rolling an odd number with a normal six-sided die. In other words, if you roll the die many times, you can expect that approximately half of the outcomes will be odd numbers.

Learn more on probability here;

https://brainly.com/question/24756209

SPJ4

Answer:

The answer is 800

Step-by-step explanation:

Hope this helps :)

The expected income from a randomly selected shake purchase is $2.80.

The probability distribution of the income on a randomly selected shake purchase is as follows:

- For the small size, the cost is $2.00, so the income would also be $2.00.
- For the medium size, the cost is $3.00, so the income would also be $3.00.
- For the large size, the cost is $3.50, so the income would also be $3.50.

Based on the previous data, the probability distribution shows the likelihood of each income amount occurring. To calculate the expected value (mean income), we multiply each income amount by its respective probability and sum them up. In this case, the expected value can be calculated as:

(Probability of small size) * (Income from small size) + (Probability of medium size) * (Income from medium size) + (Probability of large size) * (Income from large size)

Let's say the probabilities of small, medium, and large sizes are 0.3, 0.5, and 0.2 respectively. Plugging in the values:

(0.3 * $2.00) + (0.5 * $3.00) + (0.2 * $3.50)

= $0.60 + $1.50 + $0.70

= $2.80

Learn more about mean income from the given link:

https://brainly.com/question/31029845

#SPJ11

Answer:

Step-by-step explanation:

Based on the given information, we can infer the following preferences of Ances regarding her basketball team's scores:

Ances likes when her team scores 341 points.

Ances does not like when her team scores 342 points.

Ances likes when her team scores 26 points.

Ances does not like when her team scores 34 points.

Ances likes when her team scores 53 points.

Ances does not like when her team scores 42 points.

These preferences suggest that Ances has specific preferences for certain scores and dislikes other scores. It could be based on personal associations, superstitions, or simply personal preference.

It's important to note that these preferences are subjective and may not have any rational or logical basis. They are specific to Ances' personal preferences and may not reflect the overall performance or significance of the scores in a basketball game.

Learn more about personal preferences and individual perceptions here:

https://brainly.com/question/32365876

#SPJ11

Answer:

.25+.25+.25+.25+.25

Answer:

$850.70

Step-by-step explanation:

Subtract all her check amounts and add the deposit. You come up with $850.70