free branliest and points question is so easy :) :) :) :) :) :) :) :) :) :):| :) :) :) :) :) :) :P Ryan is shopping for barrels of concrete. After looking at different stores, he decides to purchase them from Construction and Us. The cost of their concrete barrels is listed in the table below:

Answer:

is finding the square root

The inverse operation of squaring a number is finding the square root of that number. The square root of a number "x" is the value that, when squared, gives the original number.

When a number is squared, it is multiplied by itself. For example, squaring the number 4 gives 4^2 = 16.

The inverse operation undoes the effect of squaring and returns you to the original number. In this case, finding the square root of a number is the inverse operation of squaring.

The square root of a number "x" is a value that, when squared, gives the original number. It is denoted by the symbol √x.

For example, if you have the number 25 and you want to find its square root, you calculate:

√25 = 5

5 is the square root of 25 because when you square 5 (5^2), you get 25.

The inverse operation of squaring a number is finding the square root of that number. The square root of a number "x" is the value that, when squared, gives the original number. The concept of square root and squaring are inverse operations that are used in various mathematical calculations and problem-solving.

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Answer:

A

Step-by-step explanation:

If you use process of elimination, it is the only one that makes since in the situation.

The correct statement is c. The Adjusted R-squared is a measure used in multiple regression analysis that is between 0 and 1. It is different from the R-squared value in simple linear regression.

The Adjusted R-squared can decrease if the addition of another X regressor does not sufficiently lower the sum of squared residuals (SSR) relative to the impact of increasing the number of predictors (k). It measures the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size, rather than the ratio of the sum of squared residuals to the total sum of squares. It provides a measure of how well the regression model fits the data, and it ranges between 0 and 1. A value closer to 1 indicates that a higher proportion of the variance in the dependent variable is explained by the predictors.

Adding another X regressor to the multiple regression model can impact the Adjusted R-squared. If the additional regressor does not significantly contribute to reducing the sum of squared residuals (SSR) relative to the increase in the number of predictors (k), the Adjusted R-squared can decrease. This means that the added regressor does not improve the model's ability to explain the variance in the dependent variable adequately.

However, the Adjusted R-squared does not directly measure the ratio of the sum of squared residuals to the total sum of squares. Instead, it represents the proportion of the variance explained by the predictors, adjusted for the number of predictors and the sample size. It penalizes models with a large number of predictors that may overfit the data, thereby providing a more reliable measure of the model's goodness of fit.

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The situation in which the quantities combine to make 0 is "On Monday, Huang withdraws $30 from a bank account. On Friday, she deposits $30 into the account".

For two quantities two make 0, it is necessary to add two numbers with the same value but different sign (positive or negative). Here is an example:

For example if you buy 10 apples but use 10 apples to make a pie.

Based on this, the correct situation is "On Monday, Huang withdraws $30 from a bank account..." as -30 + 30 = 0.

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Danika walks 50 blocks in one week.

Multiplication is a mathematical operation that embodies the fundamental concept of repeated addition of the same integer. The multiplied numbers are known as the factors, and the outcome of the multiplication of two or more numbers is known as the product of those numbers. Multiplication is used to make repetitive adding of the same number easier. It is used for combining groups of identical size.

As per the data given,

We have,

Danika lives at 5 blocks from her school.

As Danika walks 5 blocks to and from school, making her round trip

So, total distance covered by Danika will be: 5 blocks + 5 blocks = 10 blocks.

As Danika walks to and from school 5 days a week,

Hence, she walks 10 blocks * 5 days = 50 blocks in one week.

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Answer: 0.2

Step-by-step explanation:

Answer:

x = 72 , y = 108

Step-by-step explanation:

2x and \(\frac{x}{2}\) are adjacent angles on a straight line and sum to 180° , that is

2x + \(\frac{x}{2}\) = 180 ( multiply through by 2 to clear the fraction )

4x + x = 360

5x = 360 ( divide both sides by 5 )

x = 72

--------------------------

\(\frac{x}{2}\) = \(\frac{72}{2}\) = 36

\(\frac{x}{2}\) and \(\frac{y}{3}\) are vertically opposite and are congruent , then

\(\frac{y}{3}\) = 36 ( multiply both sides by 3 )

y = 108

Answer:

Exact Form:

87923 /216320

Decimal Form:

0.40644877

Step-by-step explanation:

The value of the simplified expression is 31/40

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

2/5 + 3/8

Take teh LCM and eveluate the expression

so, we have the following representation

2/5 + 3/8 = (16 + 15)/40

Evaluate the like terms

2/5 + 3/8 = 31/40

Hence. the expression is 31/40

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The options are given as follows:

a. H0: fragrance opinion is not independent of gender; Ha: fragrance opinion is independent of gender

b. H0: gender = fragrance opinion; Ha: gender \(\neq\) fragrance opinion

c. H0: fragrance opinion is independent of gender; Ha: fragrance opinion is not independent of gender

d. H0: gender \(\neq\) fragrance opinion; Ha: gender = fragrance opinion

The null hypothesis of a test always predicts no effect or no relationship between variables, while the alternative hypothesis states your research prediction of an effect or relationship.

The answer is option (d).

H0: gender \(\neq\) fragrance opinion

Ha: gender = fragrance opinion

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Answer:

400

Step-by-step explanation:

sale for 10% off the original price.

- The customer has a coupon for 25% off the sale price.

The customer claims that she can determine the final price of the sweater by taking 35% off the original price since 10%+25%=35%. Which of the following statements is true?

A) The customer’s claim is correct. The final price of the sweater will be $5.

B) The customer’s claim is correct. The final price of the sweater will be $26.

C) The customer’s claim is incorrect. The final price of the sweater will be $27.

D) The customer’s claim is incorrect. The final price of the sweater will be $30.

= 400

Answer:

C) The customer’s claim is incorrect. The final price of the sweater will be $27.

Answer:

Step-by-step explanation:

The initial height of the rocket before it is launched can be found by evaluating the function h(t) at t=0. To do this, you can substitute 0 for t in the function:

h(0) = -5(0)² + 42(0) + 54

h(0) = 0 + 0 + 54

h(0) = 54

Therefore, the initial height of the rocket before it is launched is 54 meters.

Answer: 54 meters.

Step-by-step explanation: The initial height of the rocket before it is launched is represented by the constant term in the quadratic function, which is 54. This means that the rocket's height at time t = 0 (before it is launched) is 54 meters.

To confirm this, you can plug in t = 0 into the quadratic function to get:

h(0) = -5(0)² + 42(0) + 54 = 54 meters

This means that the initial height of the rocket before it is launched is 54 meters.

Answer:

D. -7, 0, 6

Step-by-step explanation:

\(x^3+x^2-42x=0\)

\(x(x^2+x-42)=0\)

\(x(x^2-6x+7x-42)=0\)

\(x(x-6)(x+7)=0\)

ZEROS:

x = 0

x = 6

x = -7

Hope this helps!

The given statement is false.

In a two-tailed hypothesis test for a population mean, where the population standard deviation is known, the critical values are the values that divide the alpha (significance level) into two equal-tailed regions.

For a 1% level of significance (alpha = 0.01), a two-tailed test allocates half of the alpha to each tail of the distribution. In this case, each tail will have an area of 0.01/2 = 0.005.

The critical values are determined by the standard normal distribution (z-distribution) or by the t-distribution (if the sample size is small and the population standard deviation is unknown). These critical values represent the number of standard deviations away from the mean that correspond to the desired level of significance.

The specific critical values will depend on the sample size, distribution type (z or t), and the desired level of significance. To obtain the critical values, one would consult a standard normal distribution table or a t-distribution table, depending on the case.

In summary, the critical values in a two-tailed hypothesis test do not necessarily divide the area under the standard normal curve into a middle 0.98 area and two outside areas of 0.01. The allocation of the alpha (significance level) is determined based on the desired level of significance, and the critical values are obtained from the appropriate distribution table.

Therefore, the given statement is false

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Answer:

The answer is -5

Answer:

the answer is -5

Step-by-step explanation:

I did this and it was right

Answer:

\(d =2 \sqrt{10}\)

General Formulas and Concepts:

Pre-Algebra

Algebra II

Step-by-step explanation:

Step 1: Define

S (-5, -2)

T (-3, 4)

Step 2: Find distance d

The given scales which measure the attitude of a person is an ordinal scale such as a Likert scale

An ordinal scale provides a report of the rating, order or rank of a data without stating the extent of variation between the categories.

There are many types of rating scales used to directly measure the attitude of a person towards a subject matter.

The Likert scale which is the most widely used rating scale, when applied, consists of a five or seven point scale, that empowers the subject of the survey to express how much they agree (or disagree) with a specified statement.

Generally, five options, graded from, mild to extreme are provided so that the survey subject can indicate (express), their strength of how much they agree with or feel about the statement or question

The assumptions of the Likert scale includes;

Based on the perception of the subject, Likert scale can be used to also measure the variations of the following subject matters;

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The class width that should be used for constructing the frequency distribution is 5.

To determine the class width for constructing a frequency distribution with 5 classes, we need to calculate the range of the variable and divide it by the number of classes.

Range = Maximum value - Minimum value

= 35 - 10

= 25

Class width = Range / Number of classes

= 25 / 5

= 5

Therefore, the class width that should be used for constructing the frequency distribution is 5.

The correct answer is (a) 5.

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The z-value of -2.88 would support the alternative hypothesis that the population mean is less than 0 (μ < 0).

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Answer:

The answer is 2

Step-by-step explanation:

Answer:

1/4 cup of milk

Step-by-step explanation:

= 1/2 ÷ 2

= 1/2 × 1/2

= 1/4

Answer:

Collette would make a total of $46,800.

Step-by-step explanation:

To calculate how much Collette would make, we need to consider the number of projects, the hours per project, the hourly rate, and the startup fee.

Number of projects per week = 2

Hours per project = 12

Hourly rate = $45

Startup fee = $50

First, let's calculate the earnings for each week:

Earnings per week = (Number of projects per week) * (Hours per project) * (Hourly rate) + Startup fee

Earnings per week = 2 * 12 * $45 + $50

Earnings per week = $1,080 + $50

Earnings per week = $1,130

Since Collette works for 50 weeks in a year, we can calculate her total earnings for the year:

Total earnings = Earnings per week * Number of weeks

Total earnings = $1,130 * 50

Total earnings = $56,500

However, we need to consider that the startup fee is a one-time payment and should only be included in the first week's earnings. So, let's deduct the startup fee for the remaining weeks (49 weeks):

Remaining weeks' earnings = Total earnings - Startup fee

Remaining weeks' earnings = $56,500 - $50

Remaining weeks' earnings = $56,450

Finally, since we only have earnings for 4 weeks in the given information, we need to adjust the total earnings by considering the remaining 46 weeks:

Adjusted total earnings = Remaining weeks' earnings * (Number of weeks with earnings / Total weeks in a year)

Adjusted total earnings = $56,450 * (4 / 50)

Adjusted total earnings ≈ $4,516

Adding the adjusted total earnings to the earnings for the 4 weeks:

Total earnings = Adjusted total earnings + Earnings for the 4 weeks

Total earnings = $4,516 + $1,130

Total earnings = $5,646

Therefore, Collette would make a total of $46,800.

Answer: 12,620,256

Step-by-step explanation:

Given: The camera shop socks eight different types of batteries and there re at least 31 batteries of each type.

Here we want to select r= 31 batteries from n= 8 kinds of batteries, then formula we use to find number of ways is \(^{n+r-1}C_r=\ ^{31+8-1}C_{31}\)

\(=^{38}C_{31}=\dfrac{38!}{31!(38-31)!}\\\\=\dfrac{38!}{31!7!}\\\\=\dfrac{38\times37\times36\times35\times34\times33\times32\times31!}{31!\times5040}\\\\=12620256\)

Hence, the number of ways can a total inventory of 31 batteries be distributed among the eight different types = 12,620,256

The correct answer is 12:16 P.M.

According to the problem,

∴ Time at which Dev finishes her lunch =

                  9:52 A.M.  + ( 1 hour and 48 minutes +  36 minutes )

                =   11:40 A.M. +  36 minutes = 12 : 16 P.M.

∴ Deb finish eating lunch at 12:16 P.M.

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Answer:

Step-by-step explanation:

Comment

You don't have to do anything to the 6 feet. It already is in feet. It's the 2 inches you have to worry about.

2 inches = 2/12 of a foot.

2/12 = 1/6 = 0.167 feet

Answer

6 feet 2 inches = 6.167  feet

Step-by-step explanation:

Solution:

Given the absolute value parent function below

If the function is vertically compressed by a factor of 4, the function becomes

Where

Hence, the answer is

Option A

Answer:

x = 21 and y = 14

Step-by-step explanation:

I hope this helps.

Options b, d, and e are the true statements about the substitution method.

b. It is useful to solve the integral ∫2x sin x^2 dx.

d. It utilizes the formula ∫ f(u(x))u'(x) dx = ∫ f(u) du.

e. It is based on the chain rule for derivatives.

The true statements about the substitution method are:

b. It is useful to solve the integral ∫2x sin x^2 dx.

The substitution method is commonly used to simplify integrals and make them easier to evaluate. It can be applied to various types of integrals, including the given example.

d. It utilizes the formula ∫ f(u(x))u'(x) dx = ∫ f(u) du.

The substitution method involves making a substitution in the integral by introducing a new variable. This formula represents the fundamental principle of substitution, where the derivative of the substituted function appears in the integral.

e. It is based on the chain rule for derivatives.

The substitution method is based on the chain rule of derivatives. By making an appropriate substitution, the integral can be transformed into a new form that corresponds to a derivative of a simpler function.

Therefore, options b, d, and e are the true statements about the substitution method.

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Answer:

24

Step-by-step explanation: