Measure the scissors to the nearest 1/8 inch (look at pic)

A. 3 inches

B. 2 /78 inches

C. 2 5/8 inches

D. 2 6/8 inches

The correct statements about reaction rates are:
1.) The lower the rate of a reaction, the longer it takes to reach completion.
4.) A balanced chemical reaction is necessary to relate the rate of disappearance of a reactant to the rate of appearance of a product.
5.) Reaction rates increase with increasing temperature.
6.) Reaction rates are determined by reactant concentrations, temperatures, and reactant stabilities.

Reaction rates are a measure of how quickly a reaction occurs. Let's evaluate each statement to determine which ones are correct.

1.) The lower the rate of a reaction, the longer it takes to reach completion.
This statement is correct. A slower reaction rate means the reaction takes a longer time to complete. For example, if it takes 10 minutes for a reaction with a low rate to reach completion, a reaction with a higher rate might reach completion in just 2 minutes.

3.) As a reaction progresses, its rate goes down.
This statement is generally incorrect. As a reaction progresses, the rate may increase or decrease depending on the specific reaction. For example, some reactions may start with a high rate and gradually decrease as reactants are consumed, while others may start with a low rate and increase as the products build up.

4.) A balanced chemical reaction is necessary to relate the rate of disappearance of a reactant to the rate of appearance of a product.
This statement is correct. A balanced chemical reaction is necessary to determine the stoichiometry and the ratio of reactants consumed to products formed. This information is crucial in relating the rate of disappearance of a reactant to the rate of appearance of a product.

5.) Reaction rates increase with increasing temperature.
This statement is correct. Increasing the temperature generally increases the rate of a reaction. Higher temperatures provide more energy to the reactant particles, leading to more frequent and energetic collisions, which in turn increases the reaction rate.

6.) Reaction rates are determined by reactant concentrations, temperatures, and reactant stabilities.
This statement is correct. Reactant concentrations, temperatures, and reactant stabilities all play a role in determining the rate of a reaction. Higher reactant concentrations, higher temperatures, and more stable reactants generally result in faster reaction rates.

7.) Reaction rates increase as concentrations of homogeneous catalysts increase.
This statement is incorrect. Homogeneous catalysts are substances that are in the same phase as the reactants and do not alter the concentrations of reactants or products. They work by providing an alternative reaction pathway with lower activation energy. Therefore, the concentration of a homogeneous catalyst does not directly affect the reaction rate.

Let us know more about reaction rates :

https://brainly.com/question/28566775.

#SPJ11

Answer:

x=147

Step-by-step explanation:

Because of the rule of the exterior angle, x=the sum of the two angles that are given. x=50+97

Hope I helped! Please mark Brainliest!!!

The sum of 1,400 and 3,000 is 4,400. Can I enter negative numbers and decimals.

When entering a numeric answer, you may encounter different settings such as within the body of a paragraph or a table. To understand how numeric entry works, let's break down the provided information.

The statement mentions completing a table to observe how decimals and negative numbers function. This implies that you will be performing calculations using decimals and negative numbers and recording the results in a table.

To determine if your answers are correct, after submitting your responses for a particular problem, each individual answer will be marked either correct with a green check or incorrect with a red X. You can select the entry field to reveal the correct answer, and selecting it again will hide it.

The statement also discusses whether entering "20,000,000" is the same as entering "20 million." It is important to pay attention to the instructions given in the problem to ensure the correct format for your answer.

In this case, the question aims to assess your understanding of the format by specifically mentioning giving your answer in a paragraph. So, entering "20,000,000" would be the correct format.

If the space provided for entering your answer is insufficient or doesn't accommodate decimal values, carefully review the instructions to ensure you are entering the number correctly. Adjust your approach accordingly, considering the space and format requirements.

Regarding in-line units, you are required to complete a statement that demonstrates your understanding of them. This likely involves performing calculations involving units and providing the resulting value with the appropriate unit.

Currency symbols are not necessary when entering answers. If a question involves currency and decimals, you can enter the numerical value without including the currency symbol. The statement asks you to demonstrate your understanding of how currency works.

Finally, percentages are mentioned, and you are instructed to complete a statement involving them. Keep in mind that when a percentage symbol (%) is required, it will automatically appear alongside your numeric entry after you exit the numerical input field.

To summarize, the explanation covers various aspects of numeric entry, including negative numbers, decimals, correctness assessment, table completion, fitting answers within given spaces, in-line units, currency, and percentages.

Learn more about decimals

brainly.com/question/30958821

#SPJ11

Given : In a factory that makes bolts, 20% of the bolts being made by a certain machine are defective. The factory owner wants to determine the probability that two bolts in a row will be defective.

He decides to use random numbers as a simulation tool. The following list shows 100 two-digit numbers that were randomly generated to represent two bolts in a row

he uses the digits 0 and 1 to represent defective bolts,

To Find  :  how many times were two bolts in a row defective?

Step-by-step explanation:

he uses the digits 0 and 1 to represent defective bolts,

Hence 10 or 01  represent  two defectives  bolts in a row.

There are two times 10

and one time 01

Hence 3  times   two defectives  bolts in a row.

Learn More:

if two dice are tossed, find the probability of throwing a total of 10 or ...

brainly.in/question/7714685

a pair of dice thrown. find the probability of getting a sum of 10 or ...

brainly.in/question/7850369

A pair of fair-dice is rolled. What is the probability that the second die ...

brainly.in/question/9514304

Let's label the 8 questions as Q1, Q2, Q3, Q4, Q5, Q6, Q7, and Q8.

Let's label the 8 students as A, B, C, D, E, F, G, and H.

Since each problem has been correctly solved by exactly 5 students, we can say that the following is true:

Q1: A, B, C, D, E

Q2

Answer:

8 1/12

Step-by-step explanation:

13 1/4 - 5 1/3  = (13-5) + (1/4 - 1/3)

                      = 8 + (4/12 - 3/12)

                      = 8 1/12

The cost of ordering shirts for a club is 268 units.

Define Function.

A function, according to a technical definition, is a relationship between a set of inputs and a set of possible outputs, where each input is connected to precisely one output.

 This means that a function f will map an object x exactly to one object f(x) in the set of possible outputs if the object x is in the set of inputs (called the codomain).

The statement that f is a function from X to Y using the function notation f: X→Y

The function that represents the cost of the shirts(x) is f(x) = 8x+12

Now, for x = 32

 f(x) = 8x+12

f(32) = 8(32) + 12

        = 256 +12

f(32) = 268 units

.

To know more about Function visit:

brainly.com/question/12431044

#SPJ1

With that information we can create the equation

10x + 5000 = 20x

where x is the number of earphones produced

10x is the cost to make each earphone, 5000 being the fixed costs of manufacturing, and 20x being the total revenue of selling each earphone for $20

Now to solve the equation:

subtract both sides by 10x

10x - 10x + 5000 = 20x - 10x

5000 = 10x

Now divide both sides by 10

5000/10 = 10/10 x

500 = x

Answer: D

Hope it helps :)

500 earphones must be produced to get the cost price of one ear phone of $20.

The linear equations in one variable is an equation which is expressed in the form of ax + b = 0, where a and b are two integers, and x is a variable and has only one solution.

According to the given question

The start-up costs for manufacturing earphones is $5,000.

Also, the cost to make earphones is $10.

Let x number of  earphones will produced to get a cost per unit of $20.

From the given conditions, we will get a linear equation in one variable

10x + 5000 = 20x

⇒ 5000 = 20x -10x

⇒ 5000 = 10x

⇒ x = 500

Hence, 500 earphones must be produced to get the cost of earphone of $20.

Learn more about linear equation in one variable here:

https://brainly.com/question/17139602

#SPJ2

The three computations covered by the reliability factor table are sample size, index of reliability, and index of precision. Sample size deals with the size of the sample being used in order to achieve a desirable level of reliability.

Index of reliability is used to measure the consistency of results achieved over multiple trials. It does this by calculating the total number of items that contribute significantly to the final result. Finally, the index of precision measures the effect size of the sample, which is determined by comparing the results from the sample with the expected results.

The sample size computation gives the researcher an idea of the number of items that should be included in a sample in order to get the most reliable results. This is done by taking into account a number of factors including the variability of the population, the type of measurements used, and the desired level of accuracy.

The index of reliability is commonly calculated by finding the ratio of the number of items contributing significantly to the total result to the total number of items in the sample. This ratio is then multiplied by 100 in order to get a final score.

know more about reliability here

https://brainly.com/question/32178729#

#SPJ11

The given expression 2 sin(t) - 3 cos(t)  in the Form r sin(t + a), can be expressed as √13 sin(t - arctan(2/3)).

To express the given expression, 2 sin(t) - 3 cos(t), in the form r sin(t + a), we can use trigonometric identities to simplify and rewrite it.

Let's start by using the identity cos(a - b) = cos(a)cos(b) + sin(a)sin(b):

2 sin(t) - 3 cos(t) = r sin(t + a)

Here, r represents the magnitude or amplitude of the trigonometric function, and a represents the phase shift or the angle by which the function is shifted horizontally.

To find r and a, we need to manipulate the given expression to match the form r sin(t + a).

We can rewrite 2 sin(t) - 3 cos(t) as:

r [sin(t)cos(a) + cos(t)sin(a)]

By comparing the coefficients with the identity cos(a - b) = cos(a)cos(b) + sin(a)sin(b), we can determine that r = √(2^2 + (-3)^2) = √(4 + 9) = √13.

Next, we equate the coefficients of sin(t) and cos(t) to sin(a) and cos(a) respectively:

sin(a) = 2/√13

cos(a) = -3/√13

To find the value of a, we can use the arctan function:

a = arctan(sin(a)/cos(a)) = arctan((2/√13)/(-3/√13)) = arctan(-2/3)

Thus, we have expressed the expression 2 sin(t) - 3 cos(t) in the form r sin(t + a):

2 sin(t) - 3 cos(t) = √13 sin(t - arctan(2/3))

Note that the given value of 20464 and the letter "u" do not appear to be related to the given expression and can be ignored in this context.

In summary, the given expression 2 sin(t) - 3 cos(t) can be expressed as √13 sin(t - arctan(2/3)).

For more questions on Form .

https://brainly.com/question/19169731

#SPJ8

Answer:

3ax-11a-9x

Step-by-step explanation:

Statistics computed for larger random samples tend to be less variable compared to statistics computed for smaller random samples.

This statement is based on the concept of the Central Limit Theorem (CLT) in statistics. According to the CLT, as the sample size increases, the distribution of the sample mean approaches a normal distribution regardless of the shape of the population distribution. This means that the variability of the sample mean decreases as the sample size increases.

The variability of a statistic is commonly measured by its standard deviation or variance. When working with larger random samples, the individual observations have less impact on the overall variability of the statistic. As more data points are included in the sample, the effects of outliers or extreme values tend to diminish, resulting in a more stable and less variable estimate.

In practical terms, this implies that estimates or conclusions based on larger random samples are generally considered more reliable and accurate. Researchers and statisticians often strive to obtain larger sample sizes to reduce the variability of their results and increase the precision of their statistical inferences.

Learn more about random samples here:

brainly.com/question/14397009

#SPJ11

Answer: c=-6

Step-by-step explanation:

First let's subtract 4 from both sides

\(5c+4-4=-26-4\\5c=-30\)

Now we can divide 5 on both sides

\(\frac{5c}{5} =\frac{-30}{5} \\c=-6\)

We can sub -6 back in to the original equation to check the answer

\(5(-6)+4=-26\\-30+4=-26\\-26=-26\)

It checks out!

If the equation is y=15x+100 then the coordinate (0,100) of the equation shows that Jared had $100 when he started his saving.

Given an equation y=15x+100 that shows the amount of money saved by Jared for his bike based on the number of months that have passed.

We are required to find what the coordinate (0,100) mean in the context of the equation.

Equation is like relationship between two or more variables that are expressed in equal to form. Equations of two variables look like ax+by=c.It may be linear equation, quadratic equation, cubic equation or many more dependng on the power of variable present in that equation.

When we put x=0 in the equation we get the following:

y=15*0+100

y=100

It means that he had $100 in the beginning when he just started doing his savings.

Hence if the equation is y=15x+100 then the coordinate (0,100) of the equation shows that Jared had $100 when he started his saving.

Learn more about equations at https://brainly.com/question/2972832

#SPJ1

The best estimate for BC is 120 feet in the given triangle.

We can use the triangle inequality theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

We have AB = 50 feet and CD = 100 feet.

To estimate BC, we can subtract the known side length BE = 30 feet from the sum of AB and CD:

BC = AB + CD - BE

= 50 + 100 - 30

= 150 - 30

= 120 feet

Therefore, the best estimate for BC is 120 feet.

To learn more on Triangles click:

https://brainly.com/question/2773823

#SPJ1

The final result of the expression is -12,173/10,083. First, let's find the sum of 2/9 and -3/7. To add fractions, we need a common denominator. The least common multiple of 9 and 7 is 63.

To simplify the given expression, let's break it down step by step:

The sum of 2/9 and -3/7 is:

(2/9) + (-3/7)

To add these fractions, we need a common denominator, which is the least common multiple (LCM) of 9 and 7, which is 63.

(2/9) + (-3/7) = (2 * 7)/(9 * 7) + (-3 * 9)/(7 * 9)

= 14/63 - 27/63

= (14 - 27)/63

= -13/63

The difference of 3/7 and -13/23 is:

(3/7) - (-13/23)

Again, we need a common denominator, which is the LCM of 7 and 23, which is 161.

(3/7) - (-13/23) = (3 * 23)/(7 * 23) - (-13 * 7)/(23 * 7)

= 69/161 + 91/161

= (69 + 91)/161

= 160/161

Now, we subtract the second result from the first result:

(-13/63) - (160/161)

To subtract fractions, we need a common denominator, which is the LCM of 63 and 161, which is 10,083.

(-13/63) - (160/161) = (-13 * 161)/(63 * 161) - (160 * 63)/(161 * 63)

= -2,093/10,083 - 10,080/10,083

= (-2,093 - 10,080)/10,083

= -12,173/10,083.

For more such questions on Fractions:

https://brainly.com/question/17220365

#SPJ8

Answer:

the eero is on date in answer 'c' because the date of kangaroo is in an arrangement form

Answer:

14/3/2024 is on a Thursday, but it is the second Thursday, not the third.  

Step-by-step explanation:

If the first Thursday falls on March 1, the soonest the third Thursday could occur is 7+7+1 = March 15.

Answer:

75 degrees.

Step-by-step explanation:

m < 8 = 180 - m <7

= 180 - 105

= 75 degrees.

25% is the larger circle area is gray.

Area of a Circle: The area of a circle is pi times the radius squared.

To calculate the area of the circle we have the formula:

A = π r²-----(1)

where

A=area

r=radius.

First, we have to analyze the given data, the large circle center o passes through d, so

Gray circle area=π*(radius)^2----(2)

The radius of the smaller circle = OD/2 substitute in (2)

Gray circle area=π*(OD/2)^2

Gray circle area=π*OD^2/4

Larger circle area=π*(radius)2    

radius of the larger circle = OD

larger circle area=π*OD^2  

To know the percentage of a large circle we have a small formula:

gray circle area/large circle area--------(3)

=π*OD^2/4/π*OD^2  

=π*OD^2/4*1/π*OD^2=1/4

=25/100

=25%

To know more about the Area of the circle:

https://brainly.com/question/14738425

If the current stock price of Purcell Industries is $15 and the strike price of the option is also $15, the option is considered to be at the money (ATM). Therefore, the value of the option will depend on various factors such as the time to expiration, volatility, and interest rates.

When the strike price of an option is equal to the current market price of the underlying stock, it is said to be at the money. In the case of Purcell Industries, since the current stock price is $15 and the strike price of the option is also $15, the option is at the money. An ATM option has no intrinsic value because the option does not have any profit or loss in the underlying asset.

The value of an ATM option is based solely on its time value, which is the amount of time remaining until the option's expiration date. The time value of an option can be influenced by various factors, including the volatility of the underlying asset, interest rates, and other market conditions. For example, an increase in volatility would increase the time value of an option because there is a greater chance that the stock price could move in a favorable direction for the option holder. Similarly, an increase in interest rates would increase the time value of a call option but decrease the time value of a put option.

Overall, an ATM option has no intrinsic value, and its value is based on various market factors. Therefore, it is important to consider these factors when deciding whether to buy or sell an ATM option.

Learn more about Price:

brainly.com/question/19091385

#SPJ11

Answer:.

Step-by-step explanation:

Therefore, The Outdoor Furniture Corporation should produce 120 benches and 175 picnic tables to obtain the largest possible profit of $4,015.

Explanation:The given problem can be expressed in the form of a mathematical equation as: Maximize P = 9x + 20ySubject to constraints

:4x + 6y <= 120010x + 35y <= 35004x + 10y <= 12003x + 5y <= 1200x >= 0, y >= 0

Where, x = Number of Benchesy = Number of Picnic TablesFirst, we need to plot all the constraints on a graph. The shaded region in the figure below represents the feasible region for the given problem. Feasible region\(P = 9x + 20y = Z\)The feasible region is bounded by the following points:

A (0, 60)B (120, 175)C (70, 80)D (300, 0)

We need to calculate the profit at each of these points. Profit at

A(0, 60) = 0 + 20(60) = $1200Profit at B(120, 175) = 9(120) + 20(175) = $4,015

Profit at C(70, 80) = 9(70) + 20(80) = $1,630Profit at D(300, 0) = 9(300) + 20(0) = $2,700

From the above calculations, we can see that the maximum profit of $4,015 is obtained at point B (120, 175). Hence, the number of benches and tables that Outdoor Furniture should produce to obtain the largest possible profit are 120 and 175, respectively.

Therefore, The Outdoor Furniture Corporation should produce 120 benches and 175 picnic tables to obtain the largest possible profit of $4,015.

To know more about equations visit:

https://brainly.com/question/22688504

#SPJ11

Answer:

w = 75 degrees

Step-by-step explanation:

107+85+93 = 285

360-285 = 75

Answer:

2 1/3

Step-by-step explanation:

multiply like terms

Step-by-step explanation:

distance between Cape Town to london is 13,133 km

t = distance + speed

= 13.133 ÷ 560= 23.45 h = 23 h

Answer:

\( \frac{1}{2} [/t

Step-by-step explanation:

\(( \frac{6}{4} - \frac{2}{4} ) \times (2 \times \frac{1}{2} )\)

\(( \frac{6 - 2}{4} ) \times ( \frac{2 - 1}{2} )\)

\( \frac{4}{4} \times \frac{1}{2} \)

\( \frac{1}{2} \)

Answer:

its 12

Step-by-step explanation:

Answer:

75 riyals

Step-by-step explanation:

because if 32toys costs 20 riyals then 8 toys cost 5 riyals. So 120 divided by 8 is 15 and 15×5 is 75.

Answer:

450 riyals

Step-by-step explanation:

120÷32=3.75.

3.75x120=450

pretty simple tbh. if i'm wrong im sorry. i dont think i am tho pretty standard math.

Answer:

  1610 hours

Step-by-step explanation:

You want to know the travel time for a distance of 9.21×10⁷ km at a speed of 5.72×10⁴ km/h.

The relation between time, speed, and distance is ...

  time = distance/speed

Using this relation for the given values, we have ...

  time = (9.21×10⁷ km)/(5.72×10⁴ km/h) = (9.21/5.72)×10³ h ≈ 1610 h

The travel time would be about 1610 hours.