The mathematical statement 4 C A means:
A) 4 is a subset of A
B) 4 is an element of A
C) 4 is the intersection of A
D) all of the above

Answers

Answer 1
The mathematical statement 4 C A means that 4 is a subset of A. The "C" symbol is generally used in mathematical statements to mean that the former is a subset of the following statement.
Answer 2

The mathematical statement 4⊂A means 4 is a subset of A, option A is correct.

In set theory, the symbol "⊂" represents the subset relationship.

So, when we write "4⊂A," it means that the element 4 is a member of the set A and is included as part of the set.

It does not imply that 4 is an intersection or an element of the set, but rather that 4 is a subset of A.

Therefore, option A is the correct interpretation.

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Related Questions

a+5.7>-2.3 what is the answer

Answers

a>−8
Hope this helps. c:

All employees at FashionMarket get 20% off all clothing and accessories Kim li recently brought a t shirt at fashionMart for a 20% discount conjunction Kim li workable at fashionMart

Answers

false; Kim Li could have received a 20% sale discount

Answer:

D.

false; Kim Li could have received a 20% sale discount

Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above.
F(x, y, z) = yzi + 9xzj + exyk, C is the circle x2 + y2 = 1, z = 3.

Answers

Final Answer:

The evaluation of[tex]\( \oint_C \mathbf{F} \cdot d\mathbf{r} \)[/tex]  using Stokes' Theorem is [tex]\( \pi e - \pi \).[/tex]

Explanation:

To evaluate[tex]\( \oint_C \mathbf{F} \cdot d\mathbf{r} \)[/tex]  using Stokes' Theorem, we first need to find the curl of the vector field [tex]\( \mathbf{F}(x, y, z) = yz\mathbf{i} + 9xz\mathbf{j} + e^xy\mathbf{k} \)[/tex] . The curl is given by[tex]\( \nabla \times \mathbf{F} \)[/tex] , which, for this vector field, is [tex]\( (e^x - 9z)\mathbf{k} \).[/tex]

Now, we compute the surface integral over the surface ( S) bounded by the circle  C . The given circle is[tex]\( x^2 + y^2 = 1 \)[/tex] with ( z = 3 ). The surface is the disk in the plane (z = 3) with radius ( r = 1 ). The surface integral is then [tex]\( \iint_S \nabla \times \mathbf{F} \cdot d\mathbf{S} = \iint_S (e^x - 9z) \, dS \)[/tex] , where  dS is the area element. The projection of  S  onto the xy-plane is the circle  C , so [tex]( dS = dA = \pi \).[/tex]

The final step is to evaluate[tex]\( \iint_S (e^x - 9z) \, dS \)[/tex] over the disk. Since  z = 3 over the entire surface, the integral simplifies to [tex]\( \iint_S (e^x - 9 \cdot 3) \, dS = \pi e - \pi \).[/tex]  Therefore, the final answer is[tex]\( \pi e - \pi \)[/tex] after applying Stokes' Theorem to evaluate the circulation of [tex]\( \mathbf{F} \)[/tex] around the circle C .

What is the value of -d when d = -2?

Answers

It is a positive 2. Hope this Helps.

Find the measure of the arc or central angle indicated. Assume that lines which appear to be diameters are actual diameters.

Answers

Half a circle is 180. If the other arc is 55 then subtract that by 180 and that's your answer.

divide use either way to record partial quotient 198÷9

Answers

To divide 198 by 9 using the partial quotients method, you estimate how many times 9 fits into 198, subtract, and sum up the partial results to get the final answer of 22.

To solve 198 ÷ 9 using the partial quotients method, follow these steps:

Estimate how many times 9 can go into 198. We start with a rough estimate that 9 can go into 198 around 20 times.

Calculate 9 x 20 = 180. Subtract this from 198, yielding 198 - 180 = 18.

Next, determine how many times 9 can fit into the remaining 18. This is 2 times since 9 x 2 = 18.

Subtract 18 from 18, resulting in a remainder of 0.

Add the partial quotients: 20 + 2 = 22.

So, 198 ÷ 9 = 22 using the partial quotients method.

Graph the equation by plotting points

x=6 ...?

Answers

in order to do this,  you need to visualize that

x = 6 would be a vertical line on point (6,0), also if it was y=6 , it would be a horizontal line on point (0,6)

Then draw the lines connecting point (6,1) , (6,2) , (6,3) , etc

Hope this helps

A bouncing ball reaches a height of 27 feet at its first peak, 18 feet at its second peak, and 12 feet at its third peak. Describe how a sequence can be used to determine the height of the ball when it reaches its fourth peak.

Answers

The sequence:
a 1 = 27 ft,  a 2 = 18 ft,  a 3 = 12 ft.
a 2 = a 1 * q
q = a 2 / a 1 = 18 / 27 = 2 / 3
a 4 = a 3 * q = 12 * 2 / 3 = 8 ft

Answer:

There is a common ratio of 2/3 between the height of the ball at each bounce. So, the bounce heights form a geometric sequence: 27, 18, 12. Two-thirds of 12 is 8, so on the fourth bounce, the ball will reach a height of 8 feet.

Step-by-step explanation:

Sample response :)

simplifying rational expressions

which of the following is equal to therational expression when x=3 or -10

(x+5)(x-3)/(x-3)(x+10) ...?

Answers

(x+5)/(x+10) is the answer.

Fill in each box below with an integer or a reduced fraction.

(a)
log
2
8
=
3
log28=3 can be written in the form
2
A
=
B
2A=B where

Answers

Can u type it correctly

The logarithmic equation log2(8) = 3 convert to exponential form as 2^3 = 8.

Converting the logarithmic equation log2(8) = 3 to exponential form involves recognizing the base and the exponent.Logarithms state that if logb(A) = C, then the equivalent exponential form would be bC = A. In this case, since 2 is the base and 3 is the exponent to which 2 must be raised to get 8, we can write 2^3 = 8.

To further clarify, logarithms are simply a way to represent exponents, and they are widely utilized in mathematics to simplify the multiplication and division of exponents. A logarithm with a base of 10 is known as the common logarithm and is often written without a base as log(A). In contrast, when another base is used, it is indicated as logb(A). The relationship between logarithms and exponents is leveraged in various scientific and engineering fields to represent and calculate large numbers conveniently.

A grocery store sells chili peppers at $2.04 for a dozen. At this rate, what's the cost per pepper?

A. $0.17
B. $1.70
C. $0.07
D. $1.07

Answers

A. $0.17 per pepper
2.04 divided by 12 = .17

Solve log(2x+3)=3

A. 500
B. 997
C. 1/2
D. 997/2

Answers

2x+3=10^3 now solve for x.....hope it helps

A computer’s hard disk is spinning at 90 revolutions per second. Through how many degrees does it travel in a second? in a minute?

Answers

In a second it will go 90

In a minute it will go 5400

What is revolutions per second?

The Greek letter ω is often used to represent the SI unit of angular motion, the radian per second. Additionally, the SI unit for angular frequency is the radian per second. The shift in an object's orientation measured in radians per second is known as a radian per second.

Given

A computer’s hard disk is spinning at 90 revolutions per second.

In 1 second --- hard disk spins 90 revolutions

in 1 min = 60 sec = 90*60 = 5400 revolutions

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Final answer:

The computer's hard disk travels 4 degrees in a second and 240 degrees in a minute.

Explanation:

To find the number of degrees traveled by a computer's hard disk in a second, we need to know the time taken for one revolution. Since the disk is spinning at 90 revolutions per second, the time taken for one revolution is given by:

Time taken for one revolution = 1 / 90 seconds

Now, to find the number of degrees, we can use the formula:

Degrees = (Revolutions) x (360 degrees)

Therefore, the number of degrees traveled in a second is:

Degrees = (1 / 90) x (360) = 4 degrees

To find the number of degrees traveled in a minute, we multiply the number of degrees per second by the number of seconds in a minute:

Degrees per minute = (Degrees per second) x (60 seconds)

Degrees per minute = 4 x 60 = 240 degrees

A homemade lip balm consists of coconut oil and beeswax. Coconut oil costs $0.50 per ounce and beeswax costs $2.00 per ounce. If 6 ounces of coconut oil and 5 ounces of beeswax are used to create the lip balm mixture, which values represent a and b in the table?
a = $

b = $

Answers

a/3.00
b/10.00

it is a quit simple question all you had to do is multiply the ounces to the cost per ounce.
a = $0.50 x 6 = $3.00
b = $2.00 x 5 = $10.00

What is 52/7 written as a mixed number?

Answers

52
--------- = 7 3\7
7

"The correct answer is [tex]\(52/7\)[/tex] written as a mixed number is [tex]\(7\frac{3}{7}\).[/tex]

To convert an improper fraction to a mixed number, one must divide the numerator by the denominator and express the result as a whole number plus a proper fraction.

For the fraction [tex]\(52/7\)[/tex] we divide 52 by 7:

[tex]\(52 \div 7 = 7\)[/tex] with a remainder of 3.

 This means that is equal to 7 whole units and [tex]\(3/7\)[/tex] of another unit. Therefore, as a mixed number,[tex]\(52/7\)[/tex] is written as [tex]\(7\frac{3}{7}\)."[/tex]

Find last year's salary if, after a 5% pay raise, this year's salary is $38,325?

Answers

5% of 38325 is 1916.25 

subtract the answer from this years salary 

38325 
- 1916.25 
 that would be 36408.75

now add comma and dollar sign and  last year's salary is $36,408.75

Crafty Grandma Edith sat her family down during Thanksgiving and told them they couldn’t have any pumpkin pie until they worked out this puzzle. Her 6-year-old granddaughter was the first to solve it! Can you work out what 9183 equals?

8809 = 6 3590 = 2
7111 = 0 6855 = 3
9881 = 5 1012 = 1
6660 = 4 5731 = 0
5531 = 0 9191 = 2
2516 = 1 9183 = ?

I'm really confused about this one, could anyone help me?

Answers

Here is the correct answer of the given question above. Based on the puzzle given by crafty grandma Edith, which was answered by her 6-year-old granddaughter, during the time when they were gathered for the thanksgiving celebration, the correct answer for 9183 would be the number 3. Hope this is the answer that you are looking for.

What is the sum of the geometric series below?
3+1+1/3+1/9+1/27


a. 67/27
b. 121/27
c. 40/9
d. 41/9

Answers

answer is  b. 121/27

3+1+1/3+1/9+1/27
= 3+1+9/27+3/27+1/27
= 4 13/27
= 121/27

Answer:

Option B is correct.

Step-by-step explanation:

Given Geometric series : 3 , 1 , [tex]\frac{1}{3}\:,\:\frac{1}{9}\:,\:\frac{1}{27}[/tex]

To find: Sum of the series.

First term of the geometric series, a = 3

Common ration of the Geometric series, r = [tex]\frac{second\:term}{first\:term}=\frac{1}{3}[/tex]

Sum of the finite Geometric series , [tex]S_n=\frac{a(1-r^n)}{1-r}[/tex]

Sum of the given 5 term term of given series , [tex]S_5=\frac{3(1-(\frac{1}{3})^5)}{1-\frac{1}{3}}=\frac{3(\frac{3^5-1}{3^5})}{\frac{3-1}{3}}[/tex]

=  [tex]\frac{\frac{3^5-1}{3^3}}{2}=\frac{243-1}{2\times3^3}=\frac{121}{27}[/tex]

Therefore, Option B is correct.

write three ratios equal to 4/28
a.1/8,2/16,3/24
b.1/7,2/14,3/21
c.4/28,4/32,4/36
d.2/12,3/18,4/24 ...?

Answers

Final answer:

The equivalent ratios to 4/28 are obtained by dividing both the numerator and the denominator by 4 to get 1/7, and then by multiplying the resulting ratio to get the other two equivalent ratios, 2/14 and 3/21, which correspond to answer choice b.

Explanation:

The question is asking to write three ratios that are equivalent to the ratio 4/28. To find equivalent ratios, you can either multiply or divide both the numerator (top number) and the denominator (bottom number) of a ratio by the same non-zero number.

For the ratio 4/28, if we divide both the numerator and the denominator by 4, we get 1/7. If we then multiply 1/7 by different numbers, we can find additional equivalent ratios. Therefore, multiplying by 2 gives us 2/14, and multiplying by 3 gives us 3/21. This means that the set of equivalent ratios is 1/7, 2/14, 3/21, which corresponds to answer choice b.

The height of a candle depends on the amount of time the candle has been burning

Answers

Yes. 'Cause when they burn the amount of wax in it is continuously decreasing and it's length is decreasing by that!

If a company has 245 shares of common stock and $275,000.00 to be distrubuted to its holder, how much would each share recieve?

Answers

each share recieve 1,122.44898 I hope that will help you. I not shore if is right. I shouts divided them. 

Each share of common stock would receive approximately $1,122.45 from the total distribution of $275,000.00.

One of the fundamental arithmetic operations in mathematics is division, which is the process of dividing a group of things into equal pieces.

Given that,

Number of shares of common stock: 245

Total amount to be distributed: $275,000.00

To calculate the amount each share would receive,

Divide the total amount of $275,000.00 by the number of shares, which is 245.

Therefore,

$275,000.00 ÷ 245

≈ $1,122.45 per share

Hence,

Each share would receive approximately $1,122.45.

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What is the area of this face ?

Answers

If the Face was full.  4x10=40
Empty Space is 6x2=12
40-12=28
28 sq units. 

Answer:

28 square inches.

Step-by-step explanation:

Notice that the yellow area is a compound area. Its height is 10 inches.

We can divide this area in three figures, one rectangle and two squares, where the square sides are 2 inches long.

So, the area of the squares is

[tex]A_{squares}=(2in)^{2} +(2in)^{2}=4in^{2} +4in^{2} =8in^{2}[/tex]

On the other hand, the rectangle has a height of 10 inches, and its base is 2 inches long. So its area is

[tex]A_{rectangle}=(10in)(2in)=20in^{2}[/tex]

Therefore, the yellow area is

[tex]A_{yellow}=A_{squares} +A_{rectangle}=8in^{2} +20in^{2} =28in^{2}[/tex]

So, the answer is 28 square inches.

If f(x) = 7 + 4x and g(x)=1/2x, what is the value of {f/g}(5)?

Answers

I hope this helps you

Answer: 270

Step-by-step explanation:

Given: [tex]f(x)=7+4x[/tex] and [tex]g(x)=\dfrac{1}{2x}[/tex]

Then, the rational function (f/g) is given by :-

[tex](f/g)(x)=\dfrac{f(x)}{g(x)}\\\\\Rightarrow\ (f/g)(x)=\dfrac{7+4x}{\dfrac{1}{2x}}\\\\={2x(7+4x)} [/tex]

Now, the value of (f/g) is given by :-

[tex](f/g)(5)=2(5)(7+4(5))=270 [/tex]

Hence, the value of (f/g) (5) = 270.

There are 3 inches of snow on the ground when it begins to snow 0.5 inches per hour.
Which linear equation represents the total depth of the snow, in inches, after x hours?

y=0.5x+3

3+y=0.5x

y=0.5x

x=0.5y

Answers

I hope this helps you

Answer:

y=0.5x+3 is the right answer

5x+9y+z=20
2x-y-z=-21
5x+2y+2z=-21

Answers



this is the answer x,y.z=-7,6,1

Sam had his highest scoring basketball game by making 18 shots for a total of 43 points. If all of his points came from 2- and 3-points shots, how many of each shot did he make

Define your variables:      

     


State your system of equations:      

     


Answer in terms of the problem:

     

Answers

43 - 18*2 = 43 -36 = 7

7 were 3 point shots
11 were 2 point shots

Which expression is equal to 3(5 + 6)?

A. 5 + 18

B. 15 + 6

C. 3 + 11

D. 15 + 18

Answers

D. 15+18 Hope that helps!

The expression 3(5 + 6) is equal to: 15 + 18

The correct answer is option D.

The expression you have is "3(5 + 6)."

To find the equivalent expression, you need to simplify it step by step.

First, apply the distributive property by multiplying 3 by each term inside the parentheses:

3 * 5 + 3 * 6

Now, perform the multiplications:

15 + 18

So, the expression "3(5 + 6)" simplifies to "15 + 18."

Now, let's compare this result to the given options:

A. 5 + 18

This option is equal to 23, which is not the same as 3(5 + 6).

B. 15 + 6

This option is equal to 21, which is not the same as 3(5 + 6).

C. 3 + 11

This option is equal to 14, which is not the same as 3(5 + 6).

D. 15 + 18

This option is equal to 33, which is the same as 3(5 + 6).

So, the expression "3(5 + 6)" is equal to option D, which is "15 + 18."

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What is the apparent solution to the system of equations graphed above?

Choices:
(-2,2)
(2,-2)
(0,8)
(0,-2)

Answers

we know that

The solution of the system of linear equation graphed is the intersection both graphs

so

The point of intersection is [tex](-2,2)[/tex]

therefore

the answer is

The solution is the point [tex](-2,2)[/tex]

see the attached figure to better understand the problem

The solution to the system of equations is (-2,2).

What is a system of equations?

A system having more than one equation is known as a system of equations.

The solution of a system of two equations is the point where both graphs intersect.

The graphs of the given equations intersect at (-2,2).

Therefore, the solution to the system of equations is (-2,2).

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What is 646.1 divided by 34

Answers

646.1 / 34;  or write as:
________________________
646.1 ÷ 34 ,
______________
=  19.0029411764705882.  (Use a scientific calculator; or web-based calculator to get that answer).
________________________
 

On dividing 646.1 by 34, we get 19.

Dividing 646.1 by 34:

Set up the division: 646.1 ÷ 34.

Perform the division to get the result: 646.1 ÷ 34 = 19.

State the domain and range of the function represented by the table

x= -4, -1, 0, 3
y= -4, -4, -4, -4

Answers


x (domain)     y(range)
 -4                        -4
 -1
 0
 3 
 

The domain of this function is  { - 4, - 1, 0, 3 } and range of the function is

{ - 4 }.

What is the domain and range of a function?

Suppose we have an ordered pair (x, y) then the domain of the function is the set of values of x and the range is the set of values of y for which x  is defined.

The domain of the function f(x) is the set of x values that are

{ - 4, - 1, 0, 3 }

and the range of the function f(x) is { - 4 }.

As for every input, the output of the function remains the same so it is a constant function.

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