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

The final interval notation is  F ∩ H = [7, 4] &  F ∪ H = [-∞, ∞].

What is the interval notation?

A set of real numbers known as an interval in mathematics contains all real numbers falling inside any two of the set's numbers. For instance, the interval containing 0, 1, and all integers in between is the set of values x satisfying 0 x 1.

We have,

F and H are sets of real numbers defined as follows.

F = { v l v < 4}

H = { v l v ≥ 7}

F is the set of all real numbers that are less than or equal to 4.  H is the set of real numbers greater than 7.

F U H is the union (or combination) of the two sets, so it is the set of all real numbers that are less than equal to 3 or greater than 6:

F ∩ H is the set of real numbers that are in both sets; but since F is less than or equal to 4 and H is greater than 7, there are no numbers that are in both sets.  Hence the answer is the empty set, Ø:

F ∩ H = Ø

F ∩ H = [7, 4]

F ∪ H = [-∞, ∞]

Hence, the final interval notation is  F ∩ H = [7, 4] &  F ∪ H = [-∞, ∞].

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Related Questions

The table shows the lowest and highest record temperatures for three cities.Which city had the greatest change in the record temperature?

Answers

The city that had the greatest change in the recorded temperature is; 115°F

How to find the change in the function table?

We are given the following as the table showing the lowest and highest recorded temperatures for three cities

                            City:  Barrow  Budapest  Prague

Highest Temperature:     73         103           98    

Lowest Temperature:     -42        -10            -16    

The temperatures are given in Fahrenheit.

We have to find the cities with difference between their highest and lowest temperatures .

Change in temperature for the city of barrow = (73 - (42)) = 115°F

Change in temperature for the city of Budapest = (103 - (-10)) = 113°F

Change in temperature for the city of Prague = (98 - (-16)) = 114°F

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Complete question is;

The table gives the highest and lowest recorded temperatures for six cities. Which cities recorded a difference between their highest and lowest temperatures that is greater than or equal to 115°F? Select two answers.

A.Barrow

B.Budapest

C.Prague

D.Tehran

E.D e a t h Valley

F.London

An underwater robot takes a picture at an elevation of -8 5/12m relative to sea level. What is the robot’s elevation expressed sans decimal?

Answers

The value of the expression to the nearest tans is -8.4

What is rounding a number?

Adjusting a number's digits so that it produces an approximation of a result is known as rounding

The given expression is -8 (5/12).

Rewrite the expression:

-8 (5/12)

= - 101/12

= - 8.4

Hence, the value of the expression to the nearest tans is -8.4

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Dan reads his favorite series of books at a rate of 19
pages per hour. If Dan has already read the series for
34 hours but still has 1193 pages left, how many pages
are in the series altogether?

Answers

Answer:

Step-by-step explanation:

mult 19 buy 34 to find total number of page read then add page left = 1839

Find the slope of the line that passes through all of the points
on the table.
X
2
7
12
17
y
2
-3
-8
-13


Only need the answer

Answers

Answer:

Step-by-step explanation:

so first you need to find the slope

you can draw the line on a graph and use a protractor

final answer=46 degrees

Answer:-5/-19

the answer is -5/-19 and can not be simplify

This exercise uses, the population growth model
A culture starts with 8300 bacteria, After 1 hour the count is 10,000 .
(a) Find a function that models the number of bacteria n(t) after t hours. (Round your r value to three decimal places.)
n(t)=8300(1)
(b) Find the number of bacteria after 2 hours. (Round your answer to the nearest hundred.)
17485.75 x bacteria
(c) After how many hours will the number of bacteria double? (Round your answer to one decimal place.)
50times

Answers

Using an exponential function, the rate of growth is 20.482%, the number of bacteria after two hours is 12048.21 and the doubling time of the bacteria is 3.7 hours

Exponential Function

Exponential function, as its name suggests, involves exponents. But note that, an exponential function has a constant as its base and a variable as its exponent but not the other way round (if a function has a variable as the base and a constant as the exponent then it is a power function but not an exponential function.

A) The rate of growth can be calculated as

Data;

P = 8300A = 10000r = ?x = 1 hour

Writing this in an exponential function;

A = P(1 + r)ˣ

10000 = 8300(1 + r)¹

r = 0.2048

r = 20.482%

B)

Substituting the values into the function above

x = 2

A = 8300(1 + 0.2048)²

A = 12048.21

C)

For the bacterial to double, the time will be

2 = (1 + 0.2048)ˣ

x = 3.7 hours

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Write 64 × 32 as a power of 2.

Answers

Answer:

2⁶×2⁵

Step-by-step explanation:

64×32

= 2⁶×2⁵ ans

thank you for questioning ....

2/5 kilogram of soil fills 1/3 of a container. Can 1 kilogram of soil fit in the container?

Answers

Answer:

25

yes

Step-by-step explanation:

Please helppp its worth 10

Answers

Answer: Choose 15 and 20

Step-by-step explanation:

Both 15 and 20 will work because if you subtract 8 from both, you will get 7 and 12 and both numbers are still greater than 5.

It is 15 and 20
Since it is less than equal to the answer would not be 13
It would anything higher than 13
13

Can you please help me with this

Answers

Answer: 100 ft sq.

Step-by-step explanation:

The equation for surface area is S = 2lw + 2lh + 2wh.

l=2, h=7, w=4.

S = 2(2)(4) + 2(2)(7) + 2(4)(7)

S = 16 + 28 + 56

S = 100

-2.3x + 9.3x = 19.6
Show your work.

Answers

Answer:

here you go !!

hope his helps

y=m×+b

1.
m=6
b=12

2.
m=20
b=4

3.
m=10
--
16
b=8​

Answers

Answer:

m=20

b=4

m=10

Step-by-step explanation:

Find the slope-intercept equation of the line that passes
through (5, -3) and has a slope of -3.


Only need the answer

Answers

Answer:

y=-3x+12

Step-by-step explanation:

Plug in (5, -3) for x in the slope-intercept form. This gives -3 = 5*-3 + b, or -3 = -15 + b. We want to solve for b, so add 15 to both sides, giving b = 12.

What is good IQ for an 11-year-old?

Answers

Between 30 and 50

Hope this helps!


Factory XYZ has already produced 280 units today. The factory produces 92 units per hour. Today's goal is to produce at least
1,108 units. If x represents the number of production hours, which of the following inequalities symbolizes this situation?

Answers

The inequlity according to the given statement will be equal to 280 + 92(x) ≥ 1,108.

What is inequality?

Inequalities are mathematical expressions where neither side is equal. In inequality, as opposed to equations, we compare the two values. Less than (or less than and equal to), larger than (or greater or equal to), or not similar to signs are used in place of the equal sign in between.

As per the given information in the question,

Rate of production per hour by the factory = 92 per hour

The factory has to produce at least 1,108 units.

Number of units produced today = 280

Assume x is the number of production hours,

Then, the equation will be,

280 + 92(x) ≥ 1,108 units.

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Complete the sentence using sum, difference, product, qoutient, or factor

1- The expression 20 + (8/2) is the _____ of 20 and (8/2). The expression 8/2is the _____ of 8 and 2.

2- The expression 11 x 6 has two ___, namley 11 and 6, because it is the _____ of those expressions.

Answers

Answer:

1- The expression 20 + (8/2) is the 30 of 20 and (8/2). The expression 8/2 is the 10 of 8 and 2.

2- The expression 11 x 6 has two 6s, that is, 11 and 6, because it is the 66 of those expressions.

Ajit has five coins that make up $.51 what coins does Ajit has

Answers

Answer:

Step-by-step explanation:

Ajit has 5 coins in total

1 quarter = 25 cents

1 nickel = 5 cents

2 dimes = 20 cents

1 penny = 1 cent

The required coins that Ajit has are 1 quarter, 1 nickel, 2 dimes, and 1 penny.

What are equation models?

The equation model is defined as the model of the given situation in the form of an equation using variables and constants.

Let,
Quarter = x
Nickle = y

Dimes = z
penny = a

So, accoding to the quesiton
0.25x + 0.5y + 0.10z + 0.01a = $0.51

Ajit has 5 coins in total

So that the sum of x + y + z + a = 5

Apply hit and trial,

1 quarter = 25 cents

1 nickel = 5 cents

2 dimes = 20 cents

1 penny = 1 cent
Total coins value = $0.51

Similarly, various cases can be determined.

Thus, the required coin that Ajit has is 1 quarter, 1 nickel, 2 dimes, and 1 penny.

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-2x+7y=-16
-x-8y = 15

Answers

Answer:

y = -2

x = 1

Step-by-step explanation:

Please nswer this question.

Answers

Answer:

4.75 megabytes per second

Step-by-step explanation:

500-25 = 475

475 / 100 = 4.75

The answer would be 5 mega bites per second

PLEASE HELP!!!!! Need answer immediately

Rania redesigned the bottom of one of the Landing pools. the equation that describes the bottom of the redesigned pool is y = 2/5x -60 in this equation y represents the depth of the water and x is the distance a guest lands away from the far wall all measurements are in inches. How deep is the water in the pool where a guest lands in the water 36 inches from the wall?
A. Y=74.4 in
B. Y=38.4 in
C. Y=45.6 in
D. Y=60 in

Answers

Answer:

C. y = 45.6 in

Step-by-step explanation:

Given equation:

[tex]y=\dfrac{2}{5}x-60[/tex]

where:

y is the depth of the water (in inches).x is the distance a guest lands away from the far wall (in inches).

If a guest lands 36 inches from the wall, then x = 36.

Substitute x = 36 into the equation:

[tex]\implies y=\dfrac{2}{5}(36)-60[/tex]

[tex]\implies y=\dfrac{2 \cdot 36}{5}-60[/tex]

[tex]\implies y=\dfrac{72}{5}-60[/tex]

[tex]\implies y=14.4-60[/tex]

[tex]\implies y=-45.6[/tex]

Therefore, the depth of the water is 45.6 inches (since -45.6 inches means it is that distance below the surface).

solve the next fractions ​

Answers

Answer:

[tex]-\frac{19}{50}[/tex]

Step-by-step explanation:

[tex]-\frac{\frac{38}{25} }{4}[/tex]

[tex]-\frac{38}{25 * 4}[/tex]

[tex]-\frac{19}{50}[/tex]

Gayla Ojeda is trying to decide which of two different kinds of candy to sell in her retail candy store. One type is a name-brand candy that will practically sell itself. The other candy is cheaper to purchase but does not carry an identifiable brand name. Ms. Ojeda believes that she will have to incur significant advertising costs to sell this candy. Several cost items for the two types of candy are as follows: Brandless Candy Name-Brand Candy Cost per box $ 4.00 Cost per box $ 6.00 Sales commissions per box 1.00 Sales commissions per box 1.00 Rent of display space 900.00 Rent of display space 900.00 Advertising 3,000.00 Advertising 2,000.00

Required Identify each cost as being relevant or irrelevant to Ms. Ojeda’s decision and indicate whether it is fixed or variable relative to the number of boxes sold.

Answers

The costs as being relevant to Mrs. Ojeda's decision are Rent of display space 900.000 advertisement 3000 and irrelevant costs are commission,

How to determine relevant costs

We should know that the cost that differs from other costs in terms of alternative decision is called relevant cost, the irrelevant cost does not change as the result of a management decision.

Sales commission by brand 1.00    ........ Irrelevant to number of boxes

Rent of display space =900.000 ............ Relevant to number of boxes

Advertising cost = 3,000.00........................ Relevant to number of boxes

Cost per unit = 6.00 .................................. irrelevant to number of boxes

cost per unit of $4.00 ...................... Relevant to number of boxes

Fixed cost include the following

Rent of display  900.000

Variable costs are

Sales commission    1.00

Advertisement      2000

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help pls

What is the average rate of change of the function on the interval from x = 3 to x = 5?

f(x)=10(2)x

Answers

Answer: 1560

Step-by-step explanation: The average rate of change of a function over an interval is the total change in the value of the function divided by the length of the interval. In this case, the function is f(x) = 10(2)^x and the interval is [3, 5].

To find the average rate of change of the function over the interval, we can first evaluate the function at the two endpoints of the interval, which are x = 3 and x = 5. At x = 3, the function has a value of f(3) = 10(2)^3 = 80. At x = 5, the function has a value of f(5) = 10(2)^5 = 3200.

The total change in the value of the function over the interval is then the difference between the values at the two endpoints, which is f(5) - f(3) = 3200 - 80 = 3120.

The length of the interval is 5 - 3 = 2, since it goes from x = 3 to x = 5. Therefore, the average rate of change of the function over the interval is the total change in the value of the function divided by the length of the interval, which is (3120) / 2 = 1560.

Therefore, the average rate of change of the function f(x) = 10(2)^x on the interval [3, 5] is 1560.

PLEASE PLEASE HELP ASAP WILL GIVE BRAINLIEST
A regular polygon is shown, with one of its angle measures labeled a.
If ma = (5z + 65)°, find the value of z.
Oz=15
Oz=20
Oz=23
Oz=41
a

Answers

Answer:

z = 15

Step-by-step explanation:

I got it right on my exam ( i luckily guessed it, but trust me.)

WILL GIVE BRAINLIEST
Function f is an exponential function
By what factor does the output value increase as each input value increases by 1?

Answers

Answer:

  4

Step-by-step explanation:

You are given a table of function values in which x increases by 2, and you want to know the factor by which f(x) increases when x increases by 1.

Factor

Let k represent the factor by which f(x) increases when x increases by 1. This means ...

  f(2) = k·f(1)

  f(3) = k·f(2) = k·(k·f(1)) = k²·f(1)

  64 = k²·4

  k² = 64/4 = 16

  k = √16 = 4

The output value increases by a factor of 4 as the input value increases by 1.

__

Additional comment

The table values would also be obtained if the factor of increase were -4. That is, f(x) = -(-4)^x would give the same table. In that case, f(x) would not be a continuous function.

David was at the
airport for 2 hours.
He spent 45 minutes of
that time waiting in
the security line.
What percentage of
time did he spend in
the security line?

Answers

Answer:

37.5%

Step-by-step explanation:

2 hours = 120 mins

(Units need to be the same in order to work with them)

45/120 = x/100

45 * 100 = 120x

x= 37.5%

what is the raito 40 to 18​

Answers

Answer:

20:9

Step-by-step explanation:

Here we will simplify the ratio to 40:18 for you and show you how we did it.

To simplify the ratio 40:18, we find the greatest common divisor of 40 and 18, and then we divide 40 and 18 by the greatest common divisor.

The greatest common divisor that you can use to simplify 40:18 is 2. This means the answer to ratio 40:18 simplified is:

20:9

Solve the equation 8 −7/10 c = 6−1/5 c for c. please show how you got it

Answers

The answer to C the number that’s missing is 8 I took the quiz

Answer:

the answer is 0.5

Step-by-step explanation:

Find the Banzhaf power distribution of the weighted voting system
[30: 17,15,13,1]
Give each player's power as a fraction or decimal value
p₁ ____
p₂ ____
p₃ ____
p₄ ____

Answers

These are the possible combination of winning players:

{P1, P2}( weight :32)                       {P1, P2, P4} (weight: 31)

{P1, P2, P3} (weight: 45)                 {P1, P2, P3, P4} (weight: 46)

{P1, P3, P4} (weight: 31)                   {P1, P3} (weight: 30)    

What is the distribution?

The mathematical expression known as a distribution function expresses the likelihood that a system would adopt a certain value or range of values. The traditional examples include games of chance.

The voting system tells us that the quota is 30, that Player 1 has 17 votes (or equivalently, has a weight of 17), Player 2 has 15 votes, Player 3 has 13 votes, and Player 4 has 1 votes.

A coalition is any group of one or more players. What we're looking for is winning coalitions - coalitions whose combined votes (weights) add to up to the quota or more. So the coalition  {P3, P4}  is not a winning coalition because the combined weight is  13 + 1 = 14, which is below the quota.

So we look at each possible combination of players and identify the winning ones:

{P1, P2}( weight :32)                       {P1, P2, P4} (weight: 31)

{P1, P2, P3} (weight: 45)                 {P1, P2, P3, P4} (weight: 46)

{P1, P3, P4} (weight: 31)                   {P1, P3} (weight: 30)            

Hence, these are the possible combination of winning players.

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Help quick if you can!

Answers

the answer is line b

Line B!!
hope this helps

please help me with this question​

Answers

Answer:

C

Step-by-step explanation:

Hope this helped! :D

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