Simplify the expression
(2*2.3) + (3.14) (4) -5

Answers

Answer 1

The value of the given expression after simplification is 12.16

Expression:        

Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is called an expression or an algebraic expression.

Simplification:

The act of substituting a complex mathematical expression with a simpler counterpart is known as simplification (usually shorter).

Simplifying the given expression i.e.(2)(2.3) + (3.14)(4) - 5

⇒(2)(2.3) + (3.14)(4) - 5

⇒4.6 + 12.56 - 5

⇒17.16 - 5

⇒12.16        

⇒(2)(2.3) + (3.14)(4) - 5 = 12.16

Therefore,The value of the given expression after simplification is 12.16

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Related Questions

Three angles are supplementary, angle one has a measure of 7x+10, angle two has a measure of 3x+4 and angle three has a measure of 3x+8.
Given that the angles are supplementary what is the measure of angle one? Round your answer to the hundredths place

Answers

The measure of the angle 1 is 95.05 degrees.

It is given in the question that:-

Measure of Angle 1 = 7x + 10

Measure of Angle 2 = 3x + 4

Measure of Angle 3 = 3x + 8

All the angles are supplementary.

We know that, the sum of all the supplementary angles is equal to 180 degrees.

Hence, we can write,

(7x + 10) + (3x + 4) + (3x + 8) = 180

(7x + 3x + 3x) + (10 + 4 + 8) = 180

13x + 22 = 180

13x = 180 - 22

13x = 158 degrees

x = 158/13 degrees

x = 12.15 degrees (rounded off  to the hundredths place )

Hence,

Measure of angle 1 = 7x + 10 = 7(12.15) + 10 = 85.05 + 10 = 95.05 degrees.

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A parking lot is shaped like a parallelogram and bounded on four sides by streets, as shown in the figure to the right. How much asphalt (in square yards) is needed to pave the parking lot?

The amount of asphalt needed to pave the parking lot is __ yd^3, yd, or yd^2 ​

Answers

Amount of Asphalt needed =  27000 square yards

The shape of the parking lot is a parallelogram.

In the figure, the base of the parking lot is of length 180 yd and the height of the parking lot is 150 yd.

If 'b' is the base of the parallelogram and 'h' its height, then area of the parallelogram, A = bh

So here, base length, b = 180 yd

and height, h = 150 yd.

Therefore, area of the parking lot which is parallelogram, A = bh

                                                                                                   =  180 x 150

                                                                                                   = 27000 yd² (square yards)  

Amount of Asphalt needed to pave the parking lot = Area of the parking lot

                                                                                      = 27000 square yards  

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Connor missed 12 out of his last 18 free throws. What is the experimental probability that
Connor will miss his next free-throw attempt?
Write your answer as a fraction or whole number.

Answers

The experimental probability that Connor will miss his next free-throw attempt is 2/3.

How to calculate the probability?

From the information, Connor missed 12 out of his last 18 free throws.

Therefore, the probability will be:

= Number of missed throws / Total throws

= 12/18

= 2/3

Therefore, the experimental probability that Connor will miss his next free-throw attempt is 2/3.

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w = 5x² + 3
x = -3
Work out the value of w.

Answers

Answer:

48

Step-by-step explanation:

w = 5x² + 3

x = -3

w = 5(-3)² + 3

w = 5(9) + 3

w = 45 + 3

w = 48

How much larger is 3/4 than 2/3

Answers

Answer:

3/4 = 0.75 2/3 = 0.6667 Now that these fractions have been converted to decimal format, we can compare the numbers to get our answer. 0.75 is greater than 0.6667 which also means that 3/4 is greater than 2/3.

Step-by-step explanation:

Find the amount of simple interest earned for depositing the given principle in an account. if $4200 is invested at 4.5 % for 4 months

Simple interest: $

Answers

well, keeping in mind a year has 12 months, thus 4 months is really 4/12 of a year

[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$4200\\ r=rate\to 4.5\%\to \frac{4.5}{100}\dotfill &0.045\\ t=years\to \frac{4}{12}\dotfill &\frac{1}{3} \end{cases} \\\\\\ I = (4200)(0.045)(\frac{1}{3}) \implies I=63[/tex]

3) A closed rectangular box with volume 12 cubic feet is such that the length of its base is twice
the width. Express the surface area of the box as a function of the width.
Point Breakdown
1) 8 points (4/4)
2) 6 points
3) 6 points

Answers

A closed rectangular box with volume 12 cubic feet is such that the length of its base is twice the width.The surface area of the box as a function of the width is (4b³ +36)/b.

volume 12 cubic feet

volume =(l)(b)(h)=12

l=2b

(2b)(b)(h)=12

h=6/b²

Surface area =  2 (lb + bh + lh)

 = 2((2b)(b) + b(6/b²) + 2b(6/b²))

=4b² + 12/b + 24/b

 = (4b³ +36)/b

A three-dimensional object's surface area is the sum of all of its faces. Real-world applications of the notion of surface areas include wrapping, painting, and finally constructing things to get the greatest potential design.

An object's surface area is the total area that all of its surfaces occupy. The formulae we will learn in this post make it simple to determine the various surface areas that various 3D forms in geometry have. There are two groups for the surface area:

The surface area that is laterally oriented or curved

Surface area overall

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Find a conversion factor between square feet and square yards. Write it in three forms.
Select one:
A. 1 yd^3 = (3 ft)^3 = 27 ft^3
B. 1yd^3 = (3 yd)^3 = 27 yd^3
C. 1 yd^2 = (3 ft)^2 = 9 ft2
5 D. 1ft^2 = (3 yd)^2= 9 yd^2

Answers

By dimensional analysis and the conversion factor between feet and yards, we find that a square yard is equal to a quantity of 3² square yard, that is, a quantity of 9 square feet. (Correct choice: C)

What is the conversion factor between two quantities in area units?

In accordance to dimensional analysis, area units are equal to the square of length units, that is, length unit multiplied by length unit. That is:

[A] = [L] × [L] = [L]²

Where:

L - Length unit

A - Area unit

If a yard is equal to a quantity of three feet, both length units, then a square yard is equal to a quantity of 3² square feet, that is, a quantity of 9 square feet, both area units. Therefore, we can construct the following conversion factor:

1 square yard = (3 feet)² = 9 square feet

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can u guys please help me with is problem!! (ᗒᗩᗕ|||)​

Answers

Answer: 4 miles per hour

Explanation: Put in the calculator 1/7 divided by 1/28 and then you get 4. Also can I get the brainliest pls?

g(x)=3x+1
f(x) =x^2 + 3x^2
Find g(2)•f(2)

Answers

Answer:
112

Step-by-step explanation:

Just plug in 2 into the equations and then multiply them together at the end.

g(2) = 3(2) + 1
       = 6 + 1
       = 7

f(2) = (2)² + 3(2)²
      = 4 + 3(4)
      = 4 + 12
      = 16

g(2) × f(2)
    7 × 16 = 112

HELP PLEASE
The absolute value inequality 5 <= I x l — n is graphed below. What is the value of n?

Answers

Answer:

I think the answer is 7

Step-by-step explanation:

Can someone please find x ?

[tex]\frac{4}{3} x- \frac{1}{3} = x + 7[/tex]

Answers

the value of x in the question is 22

How to determine the value of x?

The equation is given as

4/3x - 1/3 = x + 7

Multiply through by 3

4x - 1 = 3x + 21

Collect the like terms

4x - 3x = 1 + 21

Evaluate

x = 22

Hence. the value of x in the question is 22

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Function yes or no whag is the domain and range?

Answers

Step-by-step explanation:

to be a function every value of x must have exactly one value of y.

in other words, if you create a vertical line and move it across the whole chart (e.g. from left to right), this line must not even once intersect the function curve more or less than once.

so, this is clearly a given here. yes, it is a function.

the domain is the interval or set of all valid x (input) values. and that starts on the right with x = 5 (included in the function indicated by the filled dot). and it goes endlessly to the left. that means -infinity (but not included as "infinity" is only a symbol but not a number).

-infinity < x <= 5

the range is the interval or set of all valid y (function result) values.

and that starts on the top with y = 2 (included). and it goes endlessly down. that means again -infinity (not included).

-infinity < y <= 2

50 points please show your work and answer all of them

Answers

Answer/Step-by-step explanation:

Convert:

8m to _800_cm

K     H     D     B     D     C     M

                     8 -> 80 -> 800      

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

Interpret and simplify:

1 added to the difference of 12 and 9

1 + (12 - 9)

1 + (3) = 4

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

Write a positive or negative integer that represents the following:

A football team loses 14 yards on a play.

loses indicated a negative

-14

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

Evaluate:

  4          3

------- + -------

 20        12

  4 (3)     3 (5)

------- + -------

 20 (3)   12 (5)

 12          15         27

------- + -------  =  -------

 60        60         60

 27 ÷ 3           9

-------     =     --------

 60 ÷ 3          20

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

Write the Prime Factorization of 24.

             24

            /    \

          2  ×  12

                  /  \

                2 × 6

                     /  \

                   2 × 3

Prime factorization = 2 × 2 × 2 × 3 or 2³ × 3

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

Tell whether the ordered pair is a solution of the equation:

y = x + 7; (1, 6)

               (x, y)

6 = 1 + 7

6 = 8

Not a solution

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

Simplify and Graph the following:

x = -2 - 3

x = -5

      ↑

<-----|--------------------------------->

      -5

      ↓

Don't worry about the other numbers. Put a dot on -5 and draw a line vertically (up and down).

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

If the weight of a package is multiplied by (5/7). The result is 40.5 pounds. find the weight of the package.

x(5/7) = 40.5

---------  --------

÷(5/7)   ÷(5/7)

x = 56.7

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

A = (1/2)bh

A= (1/2)(8)(5)

A = (1/2)(40)

A = (20)

A = 20in²

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

I hope this helps!

Round 34608 to the nearest hundred

Answers

Connno
"'s cell phone bill was $52.75 in July
In August
her bill was 60% of her July bill
How much more
did she pay in July than
she did in August?

Answer:

3460800.00

explanation:

Help please .
I can’t figure out magnitude . Can anyone help me ASAP ?

Answers

Answer:

|-20|    |12.3|     |8|     |-6|    |-4|     |2 3/10|      

Step-by-step explanation:

Magnitude in this context means that they want you to order the values from greatest to least.  These are all absolute values and that means distance from zero without regard to sign.  So if you just stripped the signs and absolute value symbols off of each value, then ordered them from largest to smallest, and THEN added the signs and absolute value symbols back, you have the answer.

Answer:

From greatest to least magnitude

|-20|

|12.3|

|8|

|-6|

|-4|

[tex]\lvert {2 \frac{3}{10}}\rvert[/tex]

Step-by-step explanation:

The absolute value of a number |x| is the positive value of x. So if x is positive then it's the number itself and if x is negative it is the positive value of the number

Ex. |5| = 5 and |-5| = 5

Take the absolute values of each of the numbers first

|12.3| = 12.3

|-20| = 20

|2 3/10 | = 2 3/10 = 23/10 = 2.3

|-4| = 4

|8| = 8

|-6| = 6

Now arrange these numbers from greatest to least. The order is

20,  12.3,  8,  6,  4,  2.3

So in terms of the original numbers this corresponds to
|-20| ,  |12.3| ,   |8|,   |-6| , |-4| , |2 3/10|

Sofia reads 8 books over summer break. Her brother reads 3 fewer books than she reads. How many books do Sofia and her brother read in all? They read books in all. ​

Answers

Answer:

13

Step-by-step explanation:

8-3 is 5, so her brother read 5 books. 8+5=13 so they read 13 total books.

13.95 + 0.49x = 50 - 13.95 - x
Whats the value of x please i have a test today

Answers

Answer:

14.832

Step-by-step explanation:

I hope this helps good luck

determine a series of transformations that would map polygon abcd onto polygon a'b'c'd​

Answers

Answer: a reflection across the y-axis and scaling it by a factor of 1/2

Step-by-step explanation: First, you need to reflect the shape over the y-axis to move it into the neighboring quadrant. After that, you scale the polygon down by a factor of 1/2, because the lengths of the line segments of A'B'C'D' are half the length of the original polygon, ABCD.

PLS HELP IM TIMED!!!

Answers

Answer:

MDS/GDS

10....../9.6

8......./7.6

4.75./4.69

4......./3.6

(I hope so)

A company invests $15,000 to produce a product that will sell for $56.75. Each unit costs $9.25 to produce. (Round your answers to the nearest whole number.) (a) How many units must the company sell to break even? units (b) How many units must the company sell to make a profit of $105,000? units

Answers

Answer:

x = 2,495 units

Step-by-step explanation:

16000 + 9.45x = 55.95x

by solving we find:

x = 344 units

the company must sell 344 units to break even.

b) How many units must the company sell to make a profit of $100,000?

55.95x - (16000 + 9.45x) = 100000

I don’t know how to do this -2(-5+n)=6 ?

Answers

Answer:

n = 2

Step-by-step explanation:

So all you have to do is solve:

-2(-5 + n) = 6

= 10 + -2n = 6

= -2n = -4

= n = 2

This means that n = 2.

But what if I'm wrong? So lets see if it works.

-2(-5 + 2) = 6

10 - 4 = 6

6 = 6

So n = 2 is right.

Hope this helped! :D

Answer:

n = 2

Step-by-step explanation:

I don’t know how to do this -2(-5+n)=6 ?

-2*(-5+n)=6

10 -2n = 6

10 - 6 = 2n

4 = 2n

2 = n

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

check

-2 ( -5 * 2) = 6

10 - 4 = 6

6 = 6

Find the sum of (4.9 × 10^−9) and (7.4 × 10^−10). Write the final answer in scientific notation.
5.64 × 10^−9

5.64 × 10^−10

1.23 × 10^−18

12.3 × 10^−19

Answers

Taking into account the scientific notation, the result of the sum is 5.64×10⁻⁹.

Scientific notation

Scientific notation is a quick way to represent a number using powers of base ten.

The numbers are written as a product:

a×10ⁿ

where:

a is a real number greater than or equal to 1 and less than 10, to which a decimal point is added after the first digit if it is a non-integer number.n is an integer, which is called an exponent or an order of magnitude. Represents the number of times the comma is shifted. It is always an integer, positive if it is shifted to the left, negative if it is shifted to the right.

Sum in scientific notation

To add two numbers in scientific notation, when the numbers to be added do not have the same base 10 exponent, the base 10 power with the highest exponent must be found. In this case, the highest exponent is -9.

Then all the values ​​are expressed as a function of the base 10 exponent with the highest exponent. In this case: 7.4×10⁻¹⁰= 0.74×10⁻⁹

Taking the quantities to the same exponent, all you have to do is add what was previously called the number "a". In this case:

4.9×10⁻⁹ + 0.74×10⁻⁹= (4.9 + 0.74)×10⁻⁹= 5.64×10⁻⁹

Finally, the result of the sum is 5.64×10⁻⁹.

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Estimate using compatible numbers then find quotient 62÷1178

Answers

Answer:

the answer would be 0.05

PLEASE HELP DUE SOON!
I'm so confused, help determine the 100th line segment from question below!

Answers

Answer:

20200

Step-by-step explanation:

As you're in a hurry, I can give it later? xx

Find the approximate side length of a square game board with an area of 200 in².

Answers

The length of the side is 10√2 cm.

To solve this problem we need to know the concepts of area of plane figures.

We know the  area of a square is the square of its sides.

Now, the given data says that the area of a square game board is 200  sq.cm.

Let the side of the square be a cm.

According to question,

    a × a=200

⇒ a² = 200

⇒ a = √200

∴ a = 10√2 cm

So, the length of one side of the square game board is  10√2 cm.

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what is equivalent to 10+ 4(-8q - 4)?

Answers

.25 = p ,

Solution :

equivalent to 10+ 4(-8q - 4)

Equivalent equations are systems of equations that have the same solutions. Identifying and solving equivalent equations is a valuable skill, not only in algebra class but also in everyday life. Take a look at examples of equivalent equations, how to solve them for one or more variables, and how you might use this skill outside a classroom.

Equivalent equations are systems of equations that have the same solutions. Identifying and solving equivalent equations is a valuable skill, not only in algebra class but also in everyday life. Take a look at

examples of equivalent equations

Equivalent equations are algebraic equations that have identical solutions or roots.

Adding or subtracting the same number or expression to both sides of an equation produces an equivalent equation.

Multiplying or dividing both sides of an equation by the same non-zero number produces an equivalent equation.

The first step is to know the rules of equivalent equations:

Adding or subtracting the same number or expression to both sides of an equation produces an equivalent equation.

Multiplying or dividing both sides of an equation by the same non-zero number produces an equivalent equation.

Raising both sides of the equation to the same odd power or taking the same odd root will produce an equivalent equation.

If both sides of an equation are non-negative, raising both sides of an equation to the same even power or taking the same even root will give an equivalent equation.

Solution :

10+ 4(-8q - 4)=0

10+ 4(-8q ) = 4

10-24 p =4

10 -4 =24 p

6 =24 p

6/24 = p

1/4 = p

.25 = p

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If your expenses are more than your income, then you have a positive net cash flow . True or false?

Answers

Answer:

True it is because my expenses is more than my income

Saiqa spent a total of Rs. 280.75 on a book, a pen and a file. The pen cost Rs. 20.25 more than the file. The book cost Rs. 13.20 less than the pen. How much did she spend on the file and the pen?

Answers

The price of the file is Rs 89.18  and pen is Rs 109.43 as calculated from a linear equation .

An equation is said to be a linear equation if the maximum power of the variable is consistently 1.

Another name for it is a only one-degree equation is linear equation.There are only one or two variables in a linear equation. All of the points fall on the same line when you identify the values that together make a linear equation true and plot those values on a coordinate grid.

Let us consider the cost of the file be x dollars.

Then cost of the pen = x + 20.25

And cost of the book = x + 20.25 - 13.20 = x - 7.05

The cost of all three items together is 280.75

Now we will form a linear equation in x to find the cost of each of the pen, book and file separately.

x + x + 20.25 + x - 7.05 = 280.75

or, 3x + 13.20 = 280.75

or, 3x = 267.55

or, x = 89.18

Hence the cost of the file is approximately Rs 89.18

Cost of the pen = 89.18 + 20.25 = Rs 109.43

Cost of the book =  x - 7.05 = 89.18 - 7.05 = Rs 82.13

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what is −3.6 ÷ 2 1/7

Answers

The result of the evaluation as given in the task content is; -42/25.

Fraction division

It follows from the task content that the result of the evaluation is required.

First, -3.6 and 2 1/7 can be converted to fractions as follows;

-3.6 = -36/10 = -18/5

2 1/7 = 15/7

Hence; −3.6 ÷ 2 1/7

= -18/5 ÷ 15/7

= -18/5 × 7/15

= -42/25.

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