What is 617 rounded to the nearest ten

Answer:

Where is the question?

The weight of coffee worth $10 to be added to mixture to worth $6 a pound is 15 pounds the mixture will be  15 pounds

Let the weight of coffee worth $10 to be added to mixture be x pounds

The weight of coffee worth $4 to be added to mixture is 30 pounds

We want a mixture that worth $6 a pound

The weight of mixture of coffee worth $ 6 is the sum of $10 coffee and $4 coffee

    = x + 30

From the above equation we can form a linear equation

              X 10 + 30 ×4 = (x+ 30) 6

    10x + 120= 6x +180

    10x-6x= 180 -120

         4x = 60

               X= 15

Hence, the weight of coffee worth $10 to be added to mixture to worth $6 a pound is 15 pounds

what's a linear equation ?

A linear equation only has one or  variables. No variable in a linear equation is raised to a strength greater than 1 or used because the denominator of a fraction. while you discover pairs of values that make a linear equation true and plot those pairs on a coordinate grid, all the factors lie at the same line

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Answer:

well I can't really answer I'm just gonna give you an example say the the difference between the relationship and situation about cups the relationship would be the cup and the situation is the size

The abstract class Number is the superclass of classes BigDecimal , BigInteger , Byte , Double , Float , Integer , Long , and Short .

Step-by-step explanation:

The data set which would be best represented by a line graph is; Choice j: The change in population of a particular city over the last 100 years.

It follows from the task content that the data set which is best represented by a line graph is.to.he identified.

On this note, since choice J measures the change in a dependent quantity, population according to a change in the independent variable, time.

Consequently, choice J is best represented by a line graph.

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Based on the events that occurred on January 5, and February 10, journal entries for Parks Construction Inc. are:

Date                 Account title                                          Debit            Credit

Jan. 5               Cash                                                 $4,400,000

                         Common stock                                                  $3,200,000

                          Paid-in capital in excess of par- Common      $1,200,000

Feb 10               Cash                                                 $450,000

                         Common stock                                                     $375,000

                          Paid-in capital in excess of par - preferred       $75,000

The cash would be:

= 400,000 x 11

= $4,400,000

The common stock value would be:

= 400,000 x 8

= $3,200,000

The cash from preferred stock:

= 5,000 x 90

= $450,000

Preferred stock:
= 50,000 x 75

= $375,000

The question is:
Journalize the entries to record the transactions on January 5 and February 10. . Refer to the Chart of Accounts for exact wording of account titles.

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The total number of student present in the class is 15.

One-third of the students choose to work on an essay.

Let

x = the total number of student in the class

Therefore,

student that takes essay = 1 / 3 x

One-half of the remaining students choose to read.

Therefore, the expression is as follows

student that choose to read = 1 / 2(x - 1 / 3 x)  = 1 / 2( 3x - x/ 3) = 1 / 2(2 / 3 x) = 2 / 6 x = 1 / 3x

The remaining 5 students work on vocabulary.  Therefore, the expression is as follows:

Student that works on vocabulary = x - 1 / 3 x - 1 / 3 x

5 =  x - 1 / 3 x - 1 / 3 x

5 = 3x- x - x / 3

5 = x / 3

x = 15

Therefore,

the student present in the class = 1 / 3 (15) +  1 / 3(15) + 5

the student present in the class = 5 + 5 + 5

the student present in the class = 15

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Therefore, the set of leisure activities in which participation exceeds 59% can be written using roster - form as follows -

A = {Exercise, movies}.

A bar graph can be defined as a chart or a graphical representation of data, quantities or numbers using bars.

Given is a bar graph that shows the time spend in leisure activities.

The set of leisure activities in which participation exceeds 59% can be represented in roster form by writing all such activities one by one separated by commas inside the parenthesis bracket { }. From the bar-graph it is clear that the activities in which participation exceeds 59% are Exercise and movies. In the roster form, we can write them as -

A = {Exercise, movies}.

Therefore, the set of leisure activities in which participation exceeds 59% can be written using roster - form as follows -

A = {Exercise, movies}.

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break down the equations into parts and use simultaneous equation method to solve it

Answer:

x=48, y=12

Step-by-step explanation:

Angles in a triangle add to 180°.

In triangle AOD,

[tex]90+x-6+x=180 \\ \\ 2x-6=90 \\ \\ 2x=96 \\ \\ x=48[/tex]

Similarly, in triangle COB, y=12.

Lower limit of 95% confidence interval is  0.464 and upper limit of 95% confidence interval is 0.594

What is Z value of 95% confidence interval and how to find 95% confidence interval?

A Z value is a numerical measure of how far is an individual score is from the mean score, within a normal distribution.

The Z value for 95% confidence interval is Z=1.96.

Let p the  estimated proportion of people in favor of a proposition and n be the sample size, n = 225

Marginal error = [tex]Z\sqrt{\frac{p(1-p)}{n} }[/tex]

Lower limit of 95% confidence interval = Z - Marignal error           

Upper limit of 95% confidence interval = Z + Marginal error

Given that in a poll of 225 randomly selected U.S. adults, 119 said they favored a new proposition,

The estimated proportion of people favored a new proposition is, p =[tex]\frac{119}{225}[/tex]

Then, p = 0.529

Marginal Error = [tex]Z\sqrt{\frac{p(1-p)}{n} } = 1.960\sqrt{\frac{0.529(1-0.529)}{225} }[/tex] = 0.065

Therefore,

Lower limit of 95% confidence interval   =0.529-0.065  = 0.464    

Upper limit of 95% confidence interval = 0.529+0.065 = 0.594

And the 95% confidence interval would be given (0.464,0.594).

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Answer:  $405 each:)

Step-by-step explanation:

You would subtract 24 from 9721 and then it will give you 405.041666666 so you will round and it will be 405 each

Answer:

$405

Step-by-step explanation:

24x405=9721$

Доброе утро, отве    $3,500

Answer:The points on the circle which have an x-coordinate of 1 are:. (1,+√15) and (1,-√15)

Step-by-step explanation:

The points on the circle which have an x-coordinate of 1 are:. (1,+√15) and (1,-√15)

The equation of a circle usually takes the form;

(x-a)² + (y-b)² = r²

where a and b are x- and y- coordinates of the center of the circle.

In this scenario, the center is at the origin (0,0).

In essence, the points on the circle which have an x-coordinate of 1 can be evaluated as follows;

(1-0)² + (y - 0)² = 4²

1 + y² = 16.

y² = 15

y = ±√15.

The points on the circle which have an x-coordinate of 1 are:. (1,+√15) and (1,-√15)

Answer:

Domain: {3, 6, 11}

Range: {-5, -3, 4, 6}

Step-by-step explanation:

The domain is the set of x values and the range is the set of y values.

The area covered by circular rug of diameter 7 is 38.5 m².

Circle is locus of points equidistant from a center point. This distance from center to the boundary of circle is radius.

If r is the radius of a circle , then its Area = π(r²)

Given that a circular rug has diameter = 7 m

Then, Let radius of circular rug be  r ,r = diameter /2

r =  7/2 m

Area =  π(7/2)² = (22/7)*(7/2)² m² =  38.5 m²

Therefore , Area of the circular rug is 38.5 m²

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Answer:

Step-by-step explanation:

ihe

The answers are below.

a) (fog)(x) = f(g(x)) = 2 - ( 3x² +x+5) = -3x² - x - 3

b) (gof)(x) = g(f(x)) = 3*(2 - x)² + (2 - x) +5 = 3x² - 13x + 19

a) (fog)(2) =  -3x² - x - 3 = -3*4 - 2 - 3 = -12 - 2 - 3 = -17

b) (gof)(2) = 3x² - 13x + 19 = 3*4 - 13*2 + 19 = 12 - 26 + 19 = 5

Just replace evaluate the function g(x)= 3x² +x+5 insode of the function f(x) = 2 - xfor the first one.

a) (fog)(x) = f(g(x)) = 2 - ( 3x² +x+5) = -3x² - x - 3

b) (gof)(x) = g(f(x)) = 3*(2 - x)² + (2 - x) +5 = 3x² - 13x + 19

ok, now that you have these two values, just evaluate the equations in x = 2 to get the rest.

a) (fog)(2) =  -3x² - x - 3 = -3*4 - 2 - 3 = -12 - 2 - 3 = -17

b) (gof)(2) = 3x² - 13x + 19 = 3*4 - 13*2 + 19 = 12 - 26 + 19 = 5

These are the outcomes when we evaluate the compositions in x = 2.

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Answer:

2

Step-by-step explanation:

The range and domain for the exponential function and logistics function are Expotentioal function : Domain= (2,  infinity )

Exponential function:

An exponential function is a mathematical function of the following form: f ( x ) = a x. where x is a variable, and a is a constant called the base of the function. The most commonly encountered exponential-function base is the transcendental number e , which is equal to approximately 2.71828.

Exponential functions have the form f(x) = bx, where b > 0 and b ≠ 1. Just as in any exponential expression, b is called the base and x is called the exponent. An example of an exponential function is the growth of bacteria. Some bacteria double every hour.

In exponential notation, a number usually is expressed as a coefficient between one and ten times an integral power of ten, the exponent. To express a number in exponential notation, write it in the form: c × 10n, where c is a number between 1 and 10 (e.g. 1, 2.5, 6.3, 9.8) and n is an integer (e.g. 1, -3, 6, -2

Definition of logarithmic function: a function (such as y = log x or y = ln x) that is the inverse of an exponential function (such as y = ax or y = ex) so that the independent variable appears in a logarithm.

Expotentioal funtion :

Domain= (2,  infinity )

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The exponential function's and the logistical function's range and domain are Exponential purpose: Domain= (2, infinite ) (2, infinity )

Explicit function

A mathematical function with the formula f (x) = an x is an exponential function. where an is a constant known as the function's base and x is a variable. The transcendental number e, or roughly 2.71828, is the exponential-function base that is most frequently encountered.

When b > 0 and b 1, an exponential function has the form f(x) = bx. The base is b, and the exponent is x, just like in any exponential expression. The development of bacteria is an illustration of an exponential function. Some germs multiply by two per hour.

The exponential function's and logistics's domain and range

When b > 0 and b 1, an exponential function has the form f(x) = bx. The base is b, and the exponent is x, just like in any exponential expression. The development of bacteria is an illustration of an exponential function. Some germs multiply by two per hour.

A number is typically written in exponential notation as a coefficient between one and ten times an integral power of ten, the exponent. When writing a number in exponential notation, use the format: c 10n, where c is an integer and n is a number between 1 and 10 (for example, 1, 2.5, 6.3, 9.8).

A logarithmic function is one that is the inverse of an exponential function, such as y = ax or y = ex, and causes the independent variable to appear in a logarithm. Examples of such functions include y = log x and y = ln x.

Expotentioal funtion :

Domain= (2,  infinity )

Answer:

28333.33

Step-by-step explanation:

68000/240% = 28333.33333333333

= 28333.33

She should report the Mean because it will be greater than the Median.

Let's start with the example from before. Imagine you teach a class with 20 students, and they take a test with 20 multiple choice questions about the Revolutionary War. Imagine that the grades you get back from scoring their tests look like this:

So you can see we have student #1 through student #20, and you can see that the scores range quite a bit. Looking at these scores you can see that one student, student #1, got a perfect score of 20 out of 20. Many students got scores somewhere in the middle, with five students getting half of the questions right - that would be a score of 10 out of 20. A few of the students did pretty well, only missing a few questions, While a few students did pretty badly but at least got a few of the questions right.

Let's say the principal of your school wants a quick summary of how your students did on their test. How would you summarize the results? The most common type of statistic, in either the context of the classroom assessment or in laboratory research projects, is statistics of summary. There are various types of Statistics of summary, but in general their purpose is to quickly give an general impression of the overall trend in results. So, just like you'd guess, based on the term Statistics of summary, these statistics just give you a ballpark idea of what happened on the test.

The most well-known statistic of summary is called the mean, which is the term we use for the arithmetic average score. When most people use the term 'average score,' what they're really referring to, technically, is what we call the mean. How do we calculate the mean? We simply add up all of the individual results, get the total, and then divide by the number of students in the class. In our example, you can see how this would look on the screen. If you add up the scores of 20 + 17 + 16 and so on through all 20 students, you get a total score of 210. You divide 210 by 20 (the number of students), and you get a mean of 10.5. You can see that this score, 10.5, is a pretty representative score of the middle score for this class, so it works nicely as a summary.

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The values of x and m∠R are 15 and 50 respectively.

From the information given, we have the following parameters;

Now, let's equate the angles

m ∠ R  = m ∠ S

3x + 5 = 5x - 25

collect like terms

3x - 5x = -25 - 5

subtract like terms

-2x = - 20

Make 'x' the subject

x = -30/ -2

x = 15

But m ∠ R = 3x + 5 = 3(15) + 5 = 45 + 5  = 50

Thus, the values of x and m∠R are 15 and 50 respectively.

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Answer:

estimate 245.7+5.8

251.5