F and H are sets of real numbers defined as follows.
F = { v l v < 4}
H = { v l v ≥ 7}
Write F ∩ H and F ∩ H using interval notation. If the set is empty, write ∅.

F And H Are Sets Of Real Numbers Defined As Follows.F = { V L V &lt; 4}H = { V L V 7}Write F H And F

Answers

Answer 1

For the two sets F = {v | v < 4} and H = {v | v ≥ 7}, FH = Ф and

FH = {v | v ∈ R} - {4, 5, 6}.

What are sets and subsets?

A set is a collection of well-defined objects.

A subset contains all the elements or a few elements of the given set.

The improper subset is when it contains all the elements of the given set and the proper subset is when it doesn't contain all the elements of the given set.

Given, Are two sets F = {v | v < 4} and H = {v | v ≥ 7}.

Now, F∩H are those elements of the sets that are common to both here none of the elements are coom so F∩H is Ф.

F∪H are those elements that are either in F or in H or in both.

∴ F∪H = {v | v < 4 or v ≥ 7} Or  F∪H = {v | v ∈ R} - {4, 5, 6}

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Related Questions

The population of a town has been decreasing since 1991. The population of the town was 26,700 people in the year 1995. In the year 2003, the population of the town had decreased to 20,300 people.
i. Find the linear function P=m- t+b that models the town's population P as a function of the number of years, t, since 1991
ii. Find a reasonable domain for the function P
Domain:
iii. Find a reasonable range for the function P
Range:
iv. Interpret the slope of the function P
The population is Select an answer at a rate of
v. In what year will the population of the town be 14,700?
Year:

Answers

Answer:

i.  P = -800t + 29900

ii.  as an inequality: 0≤t≤37.375;  interval notation: [0,37.375]

iii.  as an inequality: 0≥P≥29900;  interval notation: [0,29900]

iv.  the population decreases at a rate of 1600 people every 3 years

v.  2010

Step-by-step explanation:

i. a) use the points *(4,26700) and **(12,20300) to find the slope (m)

      *: the year 1995(4 years after 1991) and the population that year

      **: the year 2003(12 years after 1991) and the population that year

      m = (20300-26700)/(12-4) = -6400/8 = -800

  b) use one of the points and m in (a) to find b

      26700 = -800(4) + b

      26700 = -3200 + b

      29900 = b

ii. starting value for domain will be 0 since 1991 is year 0. Find the ending domain value by using P=0 and solving the equation for t:

   0 = -800t + 29900

   800t = 29900

   t = 37.375

iii. population starts at a high of 29900 people and can't go lower than 0 people.

iv. the slope is given in (population change) / (number of years)

v. make P=14700 and solve the equation for t

   14700 = -800t + 29900

   800t = 15200

   t = 19 (19 years after 1991)

PLS HURRY DUE TOMMOROW!!!
1) Farmer John has cows and chickens on his farm. His farm animals have 120 legs and 48 heads total. How many cows and how many chickens are on the farm?
a. Setup a system, of two equations, to help you solve this riddle.
b. Solve this system using either Elimination or Substitution, show your work, and state your answer as a complete sentence.

Answers

The number of cows is 12 and number of chickens are 36.

What is a system of linear equation?

A "system" of equations is a set or collection of equations that you deal with all together at once.

Given that, Farmer John has cows and chickens on his farm. His farm animals have 120 legs and 48 heads total.

Let the number of chickens be x and that of cows be y,

A cow has 4 legs and that of chickens have 2,

Setting the equations, we get,

2x+4y = 120

x+2y = 60

x+y = 48

Solving the equation by elimination, we get,

2y - y = 60 - 48

y = 12

Therefore, x = 36

Hence, The number of cows is 12 and number of chickens are 36.

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The woods behind Wendy’s house were 8 miles wide and have an area of 24 mi.² what is the length of the woods 

Answers

Answer:

48 miles

Step-by-step explanation:

i think thats it.

Answer: 4.

Step-by-step explanation: 8+8=16. count how many more until you get to 24, that is 8. Split 8 in half. We get 4.

                                Hope this helps!

What is 3x +(-1) = -10 + 2x PLS HELP!!!

Answers

Answer:

x= -9

brainliest plss

Answer:

[tex]\boxed{\boxed{\tt x=-9}}[/tex]

Step-by-step explanation:

[tex]\tt 3x+\left(-1\right)=-10+2x[/tex]

[tex]\tt 3x-1=-10+2x[/tex]

Subtract 2x from both sides:-

[tex]\tt 3x-1-2x=-10[/tex]

Combine 3x and -2x to get x:-

[tex]\tt x-1=-10[/tex]

Add 1 to both sides:-

[tex]\tt x=-10+1[/tex]

Add -10 and 1 to get -9:-

[tex]\tt x=-9[/tex]

____________________

Hope this helps you!

Have a great day!

15(2 x+3)+100=110-5x
30 x+45+100=110-5x
30 x+145=110-5x
35 x+145=110
35 x=-35
x=-1

Answers

Step-by-step explanation:

Reasons for each step

1. Distribute: 15(2x + 3) = 30x + 45

2. Combine Like Terms: 45+100 = 145

3. Addition Property of Equality: 30x+5x+145 = 110-5x+5x => 35x+145 = 110

4. Subtraction Property of Equality: 35x+145-145 = 110-145 => 35x = -35

5. Division Property of Equality: 35x/35 = -35/35 => x = -1


Solve each of the following equations using the Principle of Zero Products and match it to its correct pair of solutions on the
right. Each pair on the right will be used once.
(x-9)(3x + 4) = 0
(x-4) (9x + 1) = 0
(x+9)(3x-4)= 0
(x+4)(9x-1)=0
x = -4 or x =
x = -9 or x =
x = 9 or x = -
x = 4 or x=-1

Answers

Each correct pair using Principle of Zero Products are-

Part a: (x-9)(3x + 4) = 0: x = 9 or x = -4/3

Part b: (x-4) (9x + 1) = 0: x = 4 or x= -1/9

Part c: (x+9)(3x-4)= 0:  x = -9 or x = 4/3

Part d: (x+4)(9x-1)=0; x = -4 or x = 1/9

Explain the term zeros of the equation?The values of x that fulfill the formula f(x) = 0 are the zeros of a polynomial. The polynomial's zeros are the x values for which the function's value, f(x), equals zero in this case.The degree of a equation f(x) = 0 determines how many zeros a polynomial has.

For the stated equation-

Part a: (x-9)(3x + 4) = 0

Equating each term to zero;

(x-9) = 0

x = -9

And, (3x + 4) = 0

x = -4/3

Option: x = 9 or x = -4/3

Part b: (x-4) (9x + 1) = 0

Equating each term to zero;

(x-4) = 0

x = 4

And, (9x + 1) = 0

x = -1/9

Option;  x = 4 or x= -1/9

Part c: (x+9)(3x-4)= 0

Equating each term to zero;

(x+9) = 0

x = -9

And, (3x-4) = 0

x = 4/3

Option: x = -9 or x = 4/3

Part d: (x+4)(9x-1)=0

Equating each term to zero;

(x+4) = 0

x = -4

(9x-1)

x = 1/9

Option: x = -4 or x = 1/9

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The complete question is-

Solve each of the following equations using the Principle of Zero Products and match it to its correct pair of solutions on the

right.

Each pair on the right will be used once.

(x-9)(3x + 4) = 0

(x-4) (9x + 1) = 0

(x+9)(3x-4)= 0

(x+4)(9x-1)=0

x = -4 or x = 1/9

x = -9 or x = 4/3

x = 9 or x = -4/3

x = 4 or x= -1/9

Simplify the expression: -3(2x+4)-8x

Answers

Answer:

- 14x - 12

Step-by-step explanation:

- 3(2x + 4) - 8x ← distribute terms in parenthesis by - 3

= - 6x - 12 - 8x ← collect like terms

= - 14x - 12

Answer:

-14x-12

Step-by-step explanation:

1) Expand by distributing terms.

-(6x+12)-8x

2) Remove parentheses.

-6x-12-8x

3) Collect like terms.

(-6x-8x)-12

4 Simplify.

−14x−12

Given m || n, find the value of x.

Answers

Answer:

x = 11

Step-by-step explanation:

Since it's given n || m, we can write the following equation to find the value of x:

9x - 3 = 7x + 19 because these two are alternate exterior angles and have equal angle measurement.

transfer like terms to the same side of the equation

9x - 7x = 19 + 3

add/subtract terms

2x = 22

Divide both sides by 2

x = 11

The sum of two numbers is always greater than the larger of the two numbers?

Answers

yes, the sum of two numbers is always greater then the larger number out the two.
Answer:

False

Step-by-step explanation:

The sum is the total of an addition problem.

Addition of Positive Numbers

Most commonly, people add together positive numbers. Positive numbers are numbers greater than 0. The sum of 2 positive numbers is always greater than the addends. For example:

2 + 3 = 5

The sum of these positive numbers, 5, is greater than the larger number, 3. However, the addition of positive numbers is not the only way to add.

Addition of Negative Numbers

Negative numbers are numbers less than 0. If you add negative numbers, then the sum will be less than the addends. So, the statement above is not true. For example:

-2 + 3 = 1

In this case, the sum, 1, is less than the larger number, 3. This disproves the statement given.

If V is the incenter of APQR, QT = 5, VO = 7, and PV = 29, find each measure.

Answers

Answer:

each measure 120

Step-by-step explanation:

6. A chemist needs to create 100mL of 38% acid solution. On hand she has a 20% acid solution and
a 50% acid solution. How many mL of each solution should she use?

Answers

Answer:

Step-by-step explanation:

:On hand she has a 20% acid solution and a 50% acid solution. How many ml of each solution should sheStep-by-step explanation:this is the answer

A chemist needs 40mL of 20% acidic solution and 60mL of 50% acidic solution.

What is percentage?

The percentage is the ratio of number expressed as a fraction of 100.

Assume chemist needs x mL of 20% of acidic solution and y mL of 50% acidic solution.

A total of 100mL solution is to be created.

x+y=100

x=100-y

The concentration of 20% acidic solution will be 0.2x, concentration of 50% acidic solution will be 0.5x and the sum of their concentrations should be 0.38(100).

0.2x+0.5y=0.38(100)

0.2x+0.5y=38

Substitute x=100-y into the obtained equation.

0.2(100-y)+0.5y=38

20-0.2y+0.5y=38

20+0.3y=38

0.3y=18

y=18/0.3

y=60

Substitute y=60 into x=100-y.

x=100-60

=40

So, the chemist needs 40mL of 20% acidic solution and 60mL of 50% acidic solution.

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The line x - y = 5 passes through
O (0,5)
O (-5, 0)
O (0,-5)

Answers

Answer:

(0,-5)

Step-by-step explanation:

A $300 suit is marked down by 20%. Find the sales price to the nearest dollar.
Fill in the blanks
markdown = _% x $_
markdown = $_
$_ - $_
sale price = $_

Answers

markdown = 20% x $300

markdown = $60

$300 - $60

sale price = $240

The diagram shows the graphs of y=x²-3x - 2 and
y = x + 3.
Use the diagram to solve the equation x² – 3x − 2 = x + 3
=
graphically.
Y
11+
10
9
8-
7-
6543
6-
5-
4-
2-
1
-8-7-6-5-4-3-2-1, 1-2-3/4-5_6_7_8
23456
-2-
-3-
-4-
-5-
-6-
-7-
-8-
-9-
--10-
-11+
x

Answers

The solution of the expression is,

⇒ x = - 1 and x = 5

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

Solve the expression,

x² – 3x − 2 = x + 3

Now, We can simplify as;

x² – 3x − 2 = x + 3

x² – 3x − 2 - x - 3 = 0

x² - 4x - 5 = 0

x² - 5x + x - 5 = 0

x (x - 5) + 1(x - 5) = 0

(x + 1) (x - 5) = 0

x = - 1

x = 5

Thus, The solution of the expression is,

⇒ x = - 1 and x = 5

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Simplify.
(-√7) (-√7)
O A. √7
B. -7
OC.
C. 7
о
O
D. 49
E. -49
K

Answers

I believe the answer is C. 7


Find the greatest common factor of 10b³ and 4b.

Answers

Solution:

2b would be the greatest common factor (GCF) between both 10b^3 and 4b.

Hope this helps!

drew checks his pulse while exercising. he counts 25 beats in 10 seconds. at this rate how many times will his heart beat in one minute?

Answers

Answer:

Step-by-step explanation:

There are 60 Seconds in a Minute.

60/10 = 6

25 x 6 = 150 beats in one minute

Answer: 150

Given the table below, write a linear equation that defines the
dependent variable, c, in terms of the independent variable, a.

No need for steps only answer someone help please brainliest

Answers

Answer:

c = -(7/5)a + 15

Step-by-step explanation:

c= (8-15)/(4-0)×a+15

c= -(7/5)a + 15

Find the value of x.

Answers

The 7x side is half the length of the 28 side.

           7x = 14

             x = 2

The graph shows the speed of a car while it is
slowing down to a stop.
a) Using an appropriate triangle with two of its
vertices on the curve, estimate the distance
travelled by the car during this time.
b) Is your answer an underestimate or an
overestimate?

Answers

the answer is b it’s an understatement not an overstatement

kara divided 560.9 by 1000 and got a quotient of 0.5609. Kevin thinks the quotient of 0.5609. Who is correct

Answers

Answer:

both are correct

Step-by-step explanation:

theyre the same answer I think the questions wrong

can some help me understand this?

Answers

Um I’m sorry I don’t know I just needed points but good luck

Solve for X.

(Please I need help on this problem.)

Answers

Answer:

sum of angles in a triangle is 180

it is an equilateral triangle so each angle gets 60 degrees.

6x +6 is 60

6x is 60 - 6

6x is 54

divide both sides by 2

6x/6 is 54/2

x is 9

A recipe calls for 2 cups of flour for every 1/4 cup of raisins. If 1 1/2 cups of raisins were used, how many cups of flour would be added?

Answers

The quantity of the cups of flour that would be added would be = 12 cups.

What is flour?

Flour is the product of wheat grains that is commonly used for baking of dough and it measured with measuring cups or weighting scales.

According to the recipe from the given question above;

2 cups of flour = 1/4 of raisin

X cups of flour = 1½ of raisin

Make X cups of flour the subject of formula:

X cups = 2×1½ /¼

X cups = 3/¼

X cups = 3×4 = 12 cups.

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If CB is the diamater...Find x:

Answers

Assuming [tex]\overline{BC}[/tex] is a diameter, minor arc [tex]AB[/tex] has a measure of [tex]180^{\circ}-108^{\circ}=72^{\circ}[/tex].

Using the inscribed angle theorem, [tex]36=x+3 \implies x=\boxed{33}[/tex].

You’re planning to visit with 7 clients today and you estimate that at most each client will require 3/4 hours of your time. At most, how long does your estimate say it will take you to visit with all of these clients?

Answers

Mathematically, it will take you 315 minutes (5 hours, 15 minutes) at most to visit with all 7 clients.

How is the time determined?

We can employ mathematical operations, including addition, subtraction, division, and multiplication to determine the total time required to visit the seven clients.

Since we know that a client requires 3/4 hours or 45 minutes of your visiting time, we can multiply 45 minutes by 7.

The product of the multiplication operation gives 315 minutes, which we can convert into hours and minutes by a division operation.

The number of clients visiting today = 7

The time it a client requires of your visit time = 3/4 hours

3/4 hours = 45 minutes (0.75 x 60)

For the 7 clients, it will take you 315 minutes (45 x 7)

315 minutes equal 5 hours and 15 minutes.

Thus, using basic mathematical operations, we can conclude that, at most, you require 5 hours and 15 minutes to attend to all seven clients today.

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Function A is represented by the equation y=2 x+5
Function B is a linear function that goes through the points shown in the table.
Which statement correctly compares the rates of change of the two functions?

Answers

Answer:

The rate of change is the same for both A and B (2)

Step-by-step explanation:

In the equation, the rate of change is shown as the coefficient of the variable x.  That is the number before the x which is 2.

In the table you find the rate of change as the change in y over the change in x.  In the table the y's are increasing by 4 (3- -1), 2 (5-3) and 4 (9-5).  The x's are increasing by 2 (3-1), 1 (4-3) and 2 (6-4).

If I take the change in y over the change in x, I will get 4/2 = 2, 2/1 = 2 or 4/2 = 2

From the table the rate of change is also 2.

resolve 75 = 15r. how do i resolve this

Answers

The value of r in the given expression is 5.

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

We are given that the expression as;

75 = 15r

Now we need to find the value of r.

Therefore, we wil divide the 15 both side;

r = 75/ 15

r = 5

Hence, the value of r in the given expression is 5.

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Linear Algebra question.

Answers

Answer:

ax + y = (21, -16, 29)

Step-by-step explanation:

ax + y = [(-6a + 3), (3a - 7), (-8a + 5)]

now,

-8a + 5 = 29

a = (29 - 5)/-8

a = -3

ax + y = [(-6)(-3)+3, 3(-3)-7, 29]

ax + y = (21, -16, 29)

The area of the smaller regular pentagon is about 27.5 cm².
What is the best approximation for the area of the larger regular pentagon?
11cm²
172 cm²
70 cm²
275 cm²

Answers

Answer:172 cm²

when we put this in the pentagon formula, and it will get 172.03, and we round it and will be 172

formula of pentagon is 1/2 × p × a

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