What’s the correct answer answer asap for brainlist

The value of expression putting indicated value is -2,4,1.

What is expression?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. Unknown variables, integers, and arithmetic operators are the components of an algebraic expression. There are no symbols for equality or inequality in it.

Here the given expression is [tex]\frac{x}{4}[/tex] .

Now put x=-8 into [tex]\frac{x}{4}[/tex] then,

=> [tex]\frac{-8}{4}[/tex] = -2.

Now put x=16 into [tex]\frac{x}{4}[/tex] then

=>  [tex]\frac{16}{4}[/tex] = 4.

Now put x= 4 into    [tex]\frac{x}{4}[/tex] then

=> [tex]\frac{4}{4}[/tex] = 1.

Hence the value of expression putting indicated value is -2,4,1.

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The lowest coMmon denominator of 9, 15, and 21 is 315 (3•3•5•7). These 3 bells ring together every 315 minutes after 5:45 pm.

45 min • 1/60 hr/min = 0.75 hr

5:45 = 5 + 0.75 hr = 5.75 hr

5:45 pm to 10:00 am next day in minutes is:

available time = (12 - 5.75 + 10) hr • 60 min/hr

available time = 16.25 • 60 = 975 min

So as much as 975 min are available for the synchronized or periodic ringings.

Number of simultaneous ringings in 975 min:

975/315 = 3.1

3•315 = 945 min

975 - 945 = 30 mins after 3rd ringing after 5:45 pm.

315 min = 315•1/60 hr/min = 5.25 hr. 5.25 hr between simultaneous rings.

The next 3 ringings after 5:45 pm (5.75 hr) are at 5.75 + 5.25 hr = 11:00 pm, and then 11.0 pm + 1 = 12 am + 4.25 = 4.25 am (4:15 am), and then 4.25 + 5:25 hr = 9:30 am. There are 30 minutes left to 10:00 am (975 mins after 5:45 pm), so a 4th ringing does not have enough time.

ANSWER: Including 5:45 pm, the bells ring together at 11:00 pm, 4:25 am, and 9:30 am — a total of 4 times

Answer:

18.5 cups

Step-by-step explanation:

There are 2 cups in 1 pint, so 9 1/4 pints is equal to 18.5 cups.

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The number of string pieces which Ken has after he cuts the string into 0.19 meter lengths is; 9.

It follows from the task content that initially, Ken has 1.71 meters of string. However, he cuts the string into 0.19 meters strings.

It is however required that the number of string pieces he has after cutting the 1.71 meter string into 0.19 meters lengths be determined.

On this note; the number of 0.19 string lengths he has can be evaluated by estimating the quotient as follows;

= 1.71 / 0.19

= 9.

On this note, Ken would have 9 pieces of the 0.19 meters strings.

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The unit cost of postcard and envelope are given as 6 and 8 cents respectively.

A linear equation can be solved by equating the LHS and RHS of the equation following some basic rules such as by adding or subtracting the same numbers on both sides and similarly, doing division and multiplication with the same numbers.

Suppose the cost of postcard be $x.

Then, the cost of envelope is x + 0.02.

As per the question, the following question can be written for the cost as,

15x + 10(x + 0.02) = 1.70

⇒ 25x = 1.50

⇒ x = 0.06

Thus, the cost of envelope is 0.06 + 0.02 = $0.08.

Which is equivalent to 8 cents.

Hence, the cost of each postcard and the envelope are obtained as 6 and 8 cents respectively.

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The average annual rate of change in the population density from 2000 to 2009 will be 1.9.

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

The table shows the population density for the state of Texas in various years.

Now,

Since, Population in year 2000 = 79.6 people per square mile.

Population in year 2009 = 96.7 people per square mile.

Hence, Change in population density between year 2000 and 2009 is:

⇒ 96.7 - 79.6 = 17.1

And, Total number of year between year 2000 and 2009 is:

⇒ 2009 - 2000 = 9

So, Substituting the values in formula, we get;

⇒ Average rate of change = 17.1 / 9

                                         = 1.9

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Answer:

The first figure, fourth and fifth!

First one has 24.

Second one has 30.

Third has 16.

Fourth has 24.

Fifth has 24.

Step-by-step explanation:

Hope it helps!

The quarter fall a distance of 22 feet

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

Top of the well = 0 feet

Location of the quarter after the fall = -22 feet.

The distance fell by the quarter is then calculated as

Distance = Top of the well - Location of the quarter after the fall

Substitute the known values in the above equation, so, we have the following representation

Distance = 0 + 22

Evaluate

Distance = 22

Hence, the distance is 22 feet

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The statement that best describes Juliet's distance from her home from the graph is; C) It is decreasing in the interval 3 < x < 4 hours.

An interval on a graph is defined as a section of the x-axis that is usually examined to see whether or not the graph is increasing or decreasing throughout that section.

Now, a graph is said to be decreasing through an interval if the x-value increases as the y-value decreases. However, the graph is said to be increasing if the x-values increases as the y-values increase.

Now, looking at the given graph, we can say that between the intervals of 3 < x < 4, the graph is decreasing as it will have a negative slope. However between the intervals of 4 < x < 5, the graph is increasing as it will have a positive slope.

Thus, we can conclude that the correct option is Option C.

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Answer: Dear User, I have attached my answer in a PNG file because Brainly doesn't let me use the symbols required for this answer.

Step-by-step explanation:

Answer: 1 and 13/15 pounds

Step-by-step explanation:

By adding 1.5 and 0.3 we can see that the worker has 1.8 lbs. Converted to a fraction, this is 1 4/5. This can be multiplied by 3/3 to reach 1 and 12/15. He needs 3 and 10/15. By doing this we can see that the worker needs 1 and 13/15 lbs.

The measure of the central angle θ in degrees and then multiply by 1/(2π). Then that result by πr²

We will use the following points to find the area of the sector;

First of all, the angle that is formed in a full rotation is 2π.

The area of a circle is given by the formula; A = πr²

The central angle is given by the angle symbol θ. Thus, we have to multiply the area of the circle by a factor θ/2π

Thus, the area of a sector is given by the formula;

A = (θ/2π) * πr²

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Answer: = 4 m

There is a negative sign before number 16. It means the butterfly moved in a backward direction. =4 m, from the Initial position

Answer:

[tex]c^{9}[/tex][tex]d^{15}[/tex]

Step-by-step explanation:

mean value theorem can be applied for option 1 and 2.

According to the Mean Value Theorem, if a function f is continuous on the closed interval [a, b] and differentiable on the open interval (a, b), then f'(c) must equal the function's average rate of change over [a, b] at some point c on the interval (a, b).

f(x) = x/{(x-4)(x-2)} on [-7,7]

f'(x) = [{(x-4)(x+2)*1} - {x(x-4)*1} - {x(x+2)}]/ {(x-4)^2 (x+2)^2}

or, f'(x) = [{(x-4)(x+2)} - {x(x-4)} - {x(x+2)}]/{(x-4)^2 (x+2)^2}

Now, if the value of X becomes 4, the entire function would be undefined.

So for option 1, set [-1,3] f is continuous on [-1,3] and differentiable on (-1,3).

For option 2, [5,7] because f is continuous on [5,7] and differentiable on (5,7).

But for option 3, since the 4 is an element of set [1,5] it would be an incorrect statement.

so mean value theorem can be applied for option 1 and 2.

note: all '−' used in the given question has been considered as - sign while solving the question.

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The Mean Value Theorem can be applied to f on intervals I, II, and III.

The Mean Value Theorem can be applied to a continuous and differentiable function on a closed interval. Therefore, to determine on which of the intervals the Mean Value Theorem can be applied to f, we must first check if f is continuous and differentiable on those intervals.

For interval I, f is continuous on [-1,3] and differentiable on (-1,3).

For interval II, f is continuous on [5,7] and differentiable on (5,7).

For interval III, f is continuous on [1,5] and differentiable on (1,5).

Therefore, the Mean Value Theorem can be applied to f on intervals I, II, and III.

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Answer:

Step-by-step explanation:

True: Two pounds of apples costs more than $3.50.

The division in mathematics is one kind of operation. In this process, we split the expressions or numbers into the same number of parts.

Given:

Andrew Buys 8 pounds of apples for $11.60.

To find the unit rate of apples:

Use division operation,

unit rate = Total cost of apples / total weight of apples

              = 11.60 / 8

             = $1.45

That means, the unit rate is $1.45 per pound of an apple

So, 2 pound of apples costs 1.45 x 2 = $2.9

Therefore, 2 pound of apples costs less than $3.50.

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The complete question:

Andrew Buys 8 pounds of apples for $11.60. He wants to know and use the unit rate of the cost per pound. Tell whether the statement is True or False.

Two pounds of apples costs less than $3.50.

Answer:

After Joan sells 23 necklaces, she will start to make a profit.

Step-by-step explanation:

y=230+2x

y=12x

substitute y in the first equation for 12x

12x=230+2x

subtract 2x from both sides

10x=230

divide 10 from both sides

x=23

The statement that is true is that the lowest score in section 2 is higher than the highest score in either of the other sections.

Professor James gave the same test to his three sections of statistics students. On the 35-question test, the highest score was 32 and the lowest was 15.

To determine this, we can look at the boxplots. In section 1, the lowest score is 15 and the highest score is 27. In section 2, the lowest score is 24 and the highest score is 32. In section 3, the lowest score is 20 and the highest score is 28.

Since the lowest score in section 2 (24) is higher than the highest score in either of the other sections (27 and 28, respectively), this statement is true. Therefore the correct option is b.

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Answer:

Inequality Form: g≤15

Interval Notation: (−∞,15]

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Detailed explanation and solution is available in the photo. I wish you success. If there is something you do not understand, please do not hesitate to ask.

The number of toy pachyderms that Mr. Paxon can pack per hour will be 120 per hour. And the number of hours to pack 660 pachyderms will be 5.5 hours.

The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

Mr. Paxon can pack 960 toy pachyderms in an eight-hour shift.

The number of toy pachyderms that Mr. Paxon can pack per hour will be given as,

Rate = 960 / 8

Rate = 120 per hour

At that rate, the number of hours to pack 660 pachyderms will be given as,

⇒ 660 / 120

⇒ 5.5 hours

The number of toy pachyderms that Mr. Paxon can pack per hour will be 120 per hour. And the number of hours to pack 660 pachyderms will be 5.5 hours.

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Answer:

a. Yes, you should make the investment.

b. The NPV of the opportunity is $49,719.

c. Yes, you should invest. The NPV of the opportunity with a 10% discount rate is $55,000.

Step-by-step explanation:

Answer: x - y *2

Step-by-step explanation:

If a skateboard originally cost $119.50, what was the final price after all discounts had been taken? $62.74

This refers to the term that is used to describe the deduction of price from the usual price of an item.

Based on the given conditions, formulate:

Calculate the sum or difference: 119.5 x ( 1 - 25% ) x ( 1 - 30%)

Calculate the sum or difference: 119.5 x 0.75 x (1-0.3)

Calculate the product or quotient: 119.5 x 0.75 x 0.7

Calculate the product or quotient: 89.625 x 0.7

Round the number: 62.74

Therefore, the final price after all discounts had been taken is $62.74

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(A)  120 is 25% of 500.

(B) 25% of 120 is 30.

(C) 6 is 5 percent of 120

(D) 120 is 500 percent of 25

Percentage is a part of the whole number. It is denoted by % sign.

1 %= 1/100.

(A)

Let 120 is 25 % x,

125 = (25/100) x

x = 500

(B)

Let 25% of 120 is x,

(25/100) x 120  = x

x = 30

(C)

Let 6 is x percent of 120.

6= (x/100) 120

x = 5

(D)

Let 125 is x percent of 25.

125 = 25 (x/100)

x = 500

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The graph of the line y = 0.4x is attached below.

There is independent quantity, and a quantity which depends on it (dependent quantity). When independent quantity moves by a unit measurement (single unit increment), the increment in dependent quantity is called rate of increment of dependent quantity per unit increment in independent quantity.

We are given that the line that represents a proportional relationship between y and x where the unit rate of change of y with respect to x is 0.4.

The graph of the line with the slope m and the y-intercept , has the form as;

y = mx + c

In this case the rate of change  is 0.4 ; therefore we have the equation

y = 0.4x

The graph of the line is attached.

Here we have set b = 0 by default.

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If a slice of chocolate fudge cake contains 7.25 grams of sugar, thr grams of sugar in 2/3 of a slice of chocolate is 4 5/6 grams of sugar

In general, the term proportion refers to a part, share, or amount that is compared to a whole.

Using the definition of proportion, two ratios are in proportion when they are equal.

The number of grams of sugar in the chocolate is calculated using proportions

If a slice of chocolate fudge cake contains 7.25 grams of sugar

1 slice = 7.25 grams of sugar

2/3 slice  = ?

cross multiplying

1 * ? =  2/3 * 7.25

? = 29/6

? = 4 5/6 grams of sugar

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Answer:

there are 4.5 pints in a quart

Step-by-step explanation:

There are 2 pints in a quart so just divide 9 by 2 and you get 4.5

Answer: 9 pints = 4.5 quarts

Step-by-step explanation:

1 pint = 0.5

9 pints = 0.5 x 9 = 4.5

Jane will have traveled a average of 7 miles, so she will be 5 miles away from her starting point. This can be approximated to 5.00 miles, which can be rounded to the nearest hundredth.

1. Jane has walked north for 3 miles.

2. Jane has turned 45 degrees to the right.

3. Jane has walked 4 miles after turning 45 degrees to the right.

4. Jane is now 5 miles away from her starting point. This can be approximated to 5.00 miles, which can be rounded to the nearest hundredth.

Jane has walked 3 miles north and then turned 45 degrees to the right and walked 4 more miles. This means that she has traveled a total of 7 miles from her starting point. To calculate the exact distance, we use trigonometry. We can approximate the distance to 5.00 miles, which can then be rounded to the nearest hundredth. This means that Jane is 5 miles away from her starting point.

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Answer: A rational number is not always an integer, but an integer is ALWAYS an rational number

Step-by-step explanation:

-> A rational number is a number that can be expressed as the ratio of two integers. For example, 1/2, 3/4, and 5/6 are all rational numbers.

However, a rational number is not always an integer. An integer is a whole number, whereas a rational number can be a fraction with a non-zero denominator.

-> For example, 1/2 is a rational number, but it is not an integer because it is a fraction with a non-zero denominator. On the other hand, 1 is a rational number and an integer because it can be expressed as the ratio of two integers (1/1).

So in summary, a rational number is not always an integer, but all integers are rational numbers.

Answer:

y=-1/4+1

Step-by-step explanation:

Slope Intercept Form: y=mx+b

the y-intercept is b and is where the line passes through on the y-axis whether it is negative or positive.

In this case, the y-intercept is 1

Plug into the equation

y=-1/4+1

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