There are three men in a boat with four cigarettes but no matches. How do they
manage to smoke?

Answer:

5 and 44

Step-by-step explanation:

smaller number: x

greater number: 8x + 4

x + 8x + 4 = 49

9x + 4 = 49

9x = 45

x = 5

smaller number: 5

greater number: ?

8(5) + 4 = 40 + 4 = 44

5 + 44 = 49

Hope that helps.

Answer:

-20x

Step-by-step explanation:

the number outside of the parenthasis must be distributed to all numbers with in them.

ex:

-3(2x + 5) = -6x -15

An analytical procedure used to determine the concentration of a sample by reacting it with a standard is called titration

Titration is a common method used in analytical chemistry to determine the concentration of a substance in a solution. It works by reacting the analyte with a standard solution of a known concentration.

In titration, a solution of known concentration (standard solution) is slowly added to a solution of unknown concentration (analyte) until the reaction between the two is complete. The point at which the reaction is complete is usually determined by a change in color or other physical property of the solution, and the amount of the standard solution used is used to calculate the concentration of the analyte.

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Ram's original salary was rs. 7500 per month before it decreased by 4 percent to rs. 7200 per month.

The given question is based on the concept of percentage decrease. Here, Ram's salary has decreased by 4 percent and reached rs. 7200 per month. So, we have to find the original salary before the decrease. We can set this up as a simple equation, solving it as follows:

Let's denote Ram's original salary as 'x'.

According to the question, Ram's salary decreased by 4 percent, which means that Ram is now getting 96 percent of his original salary (as 100% - 4% = 96%).

This is formulated as 96/100 * x = 7200.

We can then simply solve for x, to find Ram's original salary. Thus, x = 7200 * 100 / 96 = rs. 7500.

So, Ram's original salary was rs. 7500 per month before the 4 percent decrease.

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The population decreased by 5,400 people from 2015 to 2020.

Also known as population decline, means the reduction in a human population size

Population in 2015 = Population in 2010 + Growth from 2010 to 2015

Population in 2015 = 167,000 + (8% of 167,000)

Population in 2015 = 167,000 + 13,360

Population in 2015 = 180,360

Population in 2020 = Population in 2015 - Decrease from 2015 to 2020

Population in 2020 = 180,360 - (3% of 180,360)

Population in 2020 = 180,360 - 5,411.8

Population in 2020 = 174,948.2

The population decrease from 2015 to 2020 is:

= Population in 2015 - Population in 2020

= 180,360 - 174,948.2

= 5,411.8

= 5,400 to nearest 100 people.

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The percent of decrease of producing one widget is C. 14%

Percentage Decrease is the subtraction of a given percentage of a value from the original value. It refers to the percentage change in the value when it is decreased over a period of time.

How to determine this

If the average cost of producing one widget decrease from $12.50 to $10.75

Percentage decrease= Original value - New value/Original value * 100%

Where New value = $10.75

Original value = $12.50

Percentage decrease = $12.50 - $10.75/$12.50 * 100%

Percentage decrease = 1.75/12.50 * 100%

Percentage decrease = 0.14 * 100%

Percentage decrease = 14%

Therefore, the percent of decrease is c. 14%

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The amount of money that I will have at the end of 20 years would be =$4,480. That is option D

Compound interest is defined as the interest that is being earned on an account which is based on the rate and the time the investment was made.

The total amount invested (p)= $2,000

The rate of investment (r) = 5%

The time of investment(t)= 12 year

The compound interest warm from that account;

= P×T×R/100.

= 2,000×12×5/100

= 120000/100

= $1200

For the next 8 years with the rate of 8% ;

= 2,000×8×8/100

= 128000/100

= $1280

The total compound interest = $1200+$1280= $2,480

Therefore, the amount of money that I will have at the end of 10 years would be = 2000+2480 = $4,480

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Answer:

17/100*85= $14.45

Step-by-step explanation:

Divide by 100 and multiply by (100-15) 85 to get the result.

Answer:

-5

Step-by-step explanation:

The slope of the line is found by

m = (y2-y1)/(x2-x1)

   = ( -12.5 - -2.5)/( 7.3 - 5.3)

    = ( -12.5 +2.5)/( 7.3 - 5.3)

    = -10 /2

    = -5

Answer:

V = 240 \(cm^{3}\)

Step-by-step explanation:

To find the volume of a rectangular prism use this equation:

V = l*w*h

l = length (20 cm)

w = width (4 cm)

h = height (3 cm)

Plug all these values into the equation and solve:

V = (20 cm)(4 cm)(3 cm)

V = (80 \(cm^{2}\))(3 cm)

V = 240 \(cm^{3}\)

Therefore, the volume of the rectangular prism is 240 \(cm^{3}\).

I hope this helps! Good luck!

A good way to make sense of qualitative data is through quantitative analysis.

Qualitative data refers to non-numerical data that is descriptive, such as textual responses, interviews, observations, and open-ended survey questions. To make sense of qualitative data, quantitative analysis techniques are not applicable. Instead, qualitative data analysis methods are used.

Quantitative analysis is focused on numerical data and involves statistical techniques, such as linear regression, hypothesis testing, and data modeling. While these techniques are valuable for analyzing quantitative data, they are not suitable for analyzing qualitative data.

To make sense of qualitative data, researchers typically employ methods such as thematic analysis, content analysis, coding, categorization, and pattern recognition. These techniques involve organizing, coding, and interpreting the qualitative data to identify themes, patterns, and relationships.

Therefore, among the options provided, the most appropriate way to make sense of qualitative data is through qualitative analysis techniques rather than mental blocks, thinking units, or linear regression.

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The most common error when entering a formula is to reference the wrong cell in the formula.

This error occurs when the cell references within a formula do not match the intended cells. It can lead to incorrect calculations and produce unexpected results. For example, if a formula is supposed to use data from cell A1 but mistakenly refers to cell B1, the calculation will be based on the wrong data. It is important to double-check and ensure that the cell references in a formula accurately reflect the intended data sources to avoid this common mistake.

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Answer:

I think it is D. because it is theoretical

The numerator of the repeated-measures t-statistic is the difference between the means of two related groups, while the numerator of the single sample t-statistic is the difference between the sample mean and the population mean.

In a repeated-measures t-test, you compare the means of two related groups, typically in a pretest-posttest design or when participants are measured under two different conditions. The numerator for the repeated-measures t-statistic is calculated as:

Numerator (Repeated-Measures) = Mean_Difference - 0

where Mean_Difference is the mean of the differences between the two related groups.

In a single sample t-test, you compare the mean of a single sample to a known population mean. The numerator for the single sample t-statistic is calculated as:

Numerator (Single Sample) = (Sample_Mean - Population_Mean)

In summary, the numerators differ in that the repeated-measures t-statistic considers the differences between two related groups, while the single sample t-statistic compares a sample mean to a population mean.

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Step-by-step explanation:

the angles which occupy the same relative position at each intersection where a straight line crosses two others, are called corresponding angles. If the two lines are parallel, the corresponding angles are equal.

two angles, not adjoining one another, that are formed on opposite sides of a line that intersects two other lines, are called alternate angles. If the original two lines are parallel, the alternate angles are equal.

since we are only dealing with parallel lines here, the angles are always equal.

a)

a = 60°, alternate

b)

a = 75°, corresponding

c)

a = 108°, corresponding

Answer:

x=10.2-2(×+5)........ given

×=20-2×-10............... avoid the bracket

x=10-2×..............collect the like terms

x+2x=10-2×+2×...... add 2x from both side

3x=10................simplify

3x/3=10/3..........divide both side by 3

x= 3.333.............x is solved

Step-by-step explanation:

i hope it is help full

Using inferential statistics, it is found that the option that is best surveyed from the collected in the survey is given by:

D. The Number of students who prefer cookies and cream is higher than the number of those who prefer chocolate and those who prefer strawberry.

An inferential statistic is one that makes inference or predictions about a population based on a sample.

From the table, we have that cookies and cream is the most popular flavor, hence the correct option is:

D. The Number of students who prefer cookies and cream is higher than the number of those who prefer chocolate and those who prefer strawberry.

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Answer: 16 containers

Step-by-step explanation:

First and foremost, we should note that:

4 quarts = 1 gallon

48 gallons = 48 × 4 = 192 quarts

Since the container holds 12 quarts of water each, the number of containers needed to fill the aquarium with water will be:

= 192 quarts / 12 quarts

= 16 containers

Answer:

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

100 dozen add 20% is:

The setup cost for printing the math workbooks, given the printed cost of the books, is $ 1, 800

The setup cost for printing the math workbooks is a fixed cost which means that it will not change regardless of the number of books that are printed.

Since we know that 1, 000 books are printed to be $ 14, 300 and that 5, 000 books cost $ 64, 300, we can find the cost of the books without the setup cost to be :

= Difference in cost of books / ( Difference in number of books )

= ( 64, 300 - 14, 300 ) / ( 5, 000 - 1, 000 )

= 50, 000 / 4, 000

= $ 12. 50

The setup cost is therefore :

= Cost of printing -  (Number of books x cost per book )

= 14, 300 - ( 1, 000 x 12 .5)

= $ 1, 800

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Answer:

possibly "B" and "A"

Step-by-step explanation:

Answer:A

Step-by-step explanation:

Answer:

Step 2

Step-by-step explanation:

He messed up because while changing the denominator (number on the bottom), he forgot to change the numerator (number on top).

It should be 2/8 instead of 1/8.

a. The equilibrium solution (y = 0) is stable.

b. The limit of \(\( y(t) \)\) as \(\( t \)\) approaches infinity is 0.

A function's derivative with respect to an independent variable is what is referred to as differentiation. In calculus, differentiation can be used to calculate the function per unit change in the independent variable. Let y = f(x) represent the function of x.

The nonlinear differential equation is given as:

\(\( \frac{{dy}}{{dt}} = -y^2 \)\)

a) Classifying Equilibrium Solutions:

To find the equilibrium solutions, we set the derivative equal to zero:

\(\( -y^2 = 0 \)\)

The only solution is (y = 0). Therefore, the equilibrium solution is (y = 0).

To classify the stability of the equilibrium solution, we examine the sign of the derivative \(\( \frac{{dy}}{{dt}} \)\) around the equilibrium point.

For \(\( y < 0 \), \( \frac{{dy}}{{dt}} > 0 \)\), indicating that the function is increasing and moving away from the equilibrium solution.

For \(\( y > 0 \), \( \frac{{dy}}{{dt}} < 0 \)\), indicating that the function is decreasing and moving towards the equilibrium solution.

Hence, the equilibrium solution (y = 0) is stable.

b) Determining the Limit:

Given that \(\( y(0) = 2 \)\), we need to determine the limit of \(\( y(t) \) as \( t \)\) approaches infinity, if it exists.

The differential equation \(\( \frac{{dy}}{{dt}} = -y^2 \)\) can be separated and solved:

\(\( \frac{{dy}}{{y^2}} = -dt \)\)

Integrating both sides:

\(\( \int \frac{{dy}}{{y^2}} = -\int dt \)\)

\(\( -\frac{1}{y} = -t + C \)\)

Simplifying, we have:

\(\( \frac{1}{y} = t + C \)\)

Rearranging the equation:

\(\( y = \frac{1}{t + C} \)\)

Since we are given \(\( y(0) = 2 \)\), we can substitute this into the equation to find the value of (C):

\(\( 2 = \frac{1}{0 + C} \)\)

Solving for \(\( C \)\), we get \(\( C = \frac{1}{2} \)\).

Therefore, the solution to the differential equation is:

\(\( y = \frac{1}{t + \frac{1}{2}} \)\)

Taking the limit as (t) approaches infinity:

\(\( \lim_{{t \to \infty}} \frac{1}{t + \frac{1}{2}} = 0 \)\)

Hence, the limit of \(\( y(t) \)\) as \(\( t \)\) approaches infinity is 0.

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answer: 35.50

explanation; 4.60 x 7 = 32.20

( price for the 7 dvds )

+ 3.30

( video game price )

Answer:

A Reflection

Step-by-step explanation:

In geometry, a reflections would be referred to as a flip. A reflection is a representation of a shape. An picture will mirror thru the line of reflection. If a figure is said to be a mirror of another figure, then every point in that figure is equal to every corresponding point in another figure.

Answer:

1.42857143

Step-by-step explanation:

Answer:

             70

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

if the bases of the exponents are the same then we can add the powers. so 2^3 * 2^4 = 2^7 = 128.

Answer:

7

Step-by-step explanation:

2^3⋅2^4= 2^7

2^7=2^x

since it had the same base you wouldn't need to worry about it you can just focus on the exponent.

7=x

swap it over

x=7