The difference between 30 and a number is 4.

Answers

Answer 1

Answer:

26

Step-by-step explanation:

30-4=26

thirty minus four equal 26

Answer 2
30-4=26 the difference is 26

Related Questions

Which equation is the inverse of y = x^2– 36?
ОО
y=1/x+6
y=+ X+36
y=+ x +36
y=+Vx2+36

Answers

Answer:

y inverse = √(x + 36)

Step-by-step explanation:

inverse of y = x² - 36

=> x² = y + 36

=> x = √(y + 36)

interchange x and y

=> y = √(x + 36)

Scott Disick is known for his club scene. Although he is optimistic about the nightlife in Philly, he is more of a NYC guy when he is in the East Coast. He is concerned about the overall quality of the nightlife. He believes the probability is 0.50 that the scene will be excellent, 0.20 that it is average and 0.30 that the scene will not be up to his standards. He also estimates that the probability of Leo Di Caprio coming in an excellent scene will be 0.7, the probability of him coming at an average setting it is 0.3 and the probability that it will not be up this standards at .2 List out the probabilities of an excellent scene, an average scene and a below standards scene. If Leo shows up, what kind of probability is this called

Answers

Answer:

1.)

P(E) = 0.5

P(A) = 0.2

P(N) = 0.3

Conditional probability ;

0.47

Step-by-step explanation:

Let :

E = Excellent ; A = Average ; N = not up to standard

P(E) = 0.5

P(A) = 0.2

P(N) = 0.3

If Leo shows up ; this type of probability is called a conditional probability. It is the likelihood of an event based on a certain or already satisfied condition.

The probability that Leo is coming :

Leo ; Excellent = 0.7

Leo ; Average = 0.3

Leo; Not up to standard = 0.2

Hence, probability they Leo is coming :

(0.5 * 0.7) + (0.2 * 0.3) + (0.3 * 0.2)

0.35 + 0.06 + 0.06

= 0.47

Write an equation in standard form of the circle with the given properties.
Center at the origin; r square root 6

Answers

Answer:

x² + y² = 6

Step-by-step explanation:

The standard form of the equation of a circle centred at the origin is

x² + y² = r² ( r is the radius )

Here r = [tex]\sqrt{6}[/tex] , then

x² + y² = ([tex]\sqrt{6}[/tex] )² , that is

x² + y² = 6

A scientist is studying the relationship of two quantities S and T in an experiment. The scientist finds that
under certain conditions, as the quantity of S increases, the quantity of T decreases. After taking
measurements, the scientist determines that the rate of change of the quantity of S with respect to the
quantity of T present is inversely proportional to the natural logarithm of the quantity of T. Which of the
following is a differential equation that could describe this relationship?

Answers

Differential equation is a way to represents the function and its variable by relating them.Hence the differential equation that describe the relationship between S and T is,

[tex]S \propto \dfrac{1}{log_e T}[/tex]

Given-

The quantity of S increases, the quantity of T decreases.

The rate of change of the quantity of S with respect to the  quantity of T present is inversely proportional to the natural logarithm of the quantity of T.

What is differential equation?

Differential equation is a way to represents the function and its variable by relating them.

As the quantity of S changes with respect to the  quantity of T present is inversely proportional. Thus,

[tex]S \propto \dfrac{1}{T}[/tex]

But quantity of S changes inversely proportional to the natural logarithm of the quantity of T. The natural logarithm of a  number is its logarithm to the base of e (constant).

Thus the equation can be given is,

[tex]S \propto \dfrac{1}{log_e T}[/tex]

Hence the differential equation that describe the relationship between S and T is,

[tex]S \propto \dfrac{1}{log_e T}[/tex]

Learn more about the differential equation here;

https://brainly.com/question/25731911

Simplify.
2x (3 – 1) + 3



Answers

Expand the brackets:
2x (3x - 1) + 3
6x - 2x + 3

Collect like terms
6x - 2x + 3
4x + 3

The answer is 4x + 3
It is 4x + 3 maybe?)

2+2?
5+6?
3+0? Pl tew awser

Answers

The answers are
2+2= 4
5+6= 10
3+0= 3

Suppose that 10% of people own dogs. If you pick two people at random what is the probability that they both own a dog?

Answers

Answer: probability 0.01 %

Step-by-step explanation:

P(A) = 10% = 10/100 = 0.10

pick two people -

= P(A).P(A)

= 0.10 times 0.10

= 0.01

probability = 0.01

The probability that they both own a dog is 1/50 or 0.02.

What is probability?

Probability is the chance of happening an event or incident.

Given, 10% of people own dogs.

Let, there are 100 people.

Therefore, the number of people own dogs is

= 100 × 10%

= 10

If I pick two people at random, then the probability that they both own a dog is

= 2/100

= 1/50

= 0.02

Learn more about probability here: https://brainly.com/question/16026417

#SPJ3

what is Z x-2, when x=2 and z=2

Answers

Answer:

2

Step-by-step explanation:

2x2-2=2

2 x 2-2 because everytbing is just two

If there are 48 double decker buses in a depot and 24 single, what percentage of the buses are single decker?

Answers

Answer:

17.28

Step-by-step explanation:

Totall buses: 48+28 = 72

% Of single decker: 72×(24÷100) = 17.28

Approximately 33.33 percentage of the buses in the depot are single-decker buses.

To find the percentage of single-decker buses, we need to calculate the ratio of the number of single-decker buses to the total number of buses (single-decker and double-decker) and then multiply by 100.

The total number of buses in the depot is given as 48 double-decker buses + 24 single-decker buses = 72 buses.

The number of single-decker buses is 24.

The ratio of single-decker buses to the total number of buses is 24 buses / 72 buses = 1/3.

To find the percentage, we multiply the ratio by 100:

(1/3) * 100 = 33.33%

Therefore, approximately 33.33% of the buses in the depot are single-decker buses.

To know more about percentage click here :

https://brainly.com/question/24159063

#SPJ2

Answers
- The median of the date for Store 2 is greater than the median of the date for Store 1

-the mode of the date for Store 1 is less than the mode of the date for Store 2

-the mean of the data for Store 1 is less than the mean of the data for Store 2

-The range of the data for Store 1 is greater than the range of the data for Store 2 ​

Answers

Answers
- The median of the date for Store 2 is greater than the median of the date for Store 1

-the mode of the date for Store 1 is less than the mode of the date for Store 2

-the mean of the data for Store 1 is less than the mean of the data for Store 2

-The range of the data for Store 1 is greater than the range of the data for Store 2

3^4+4.5= Input whole number

Answers

86

Step-by-step explanation:

(3 × 3 × 3 × 3) + 4.581 + 4.585.5

MARK ME AS BRAINLISTPLZ FOLLOW ME

Answer:

thats 86 because it's the nearest whole number

Step-by-step explanation:

(3 × 3 × 3 × 3) + 4.5

81 + 4.5

85.5

SO THAT MEANS 3^4+4.5 = 85.5 rounded to the nearest whole number is 86

20.7 liters of water came out of a faucet today. If 1.5 liters of water come out each minute, how many minutes was the faucet on?

Answers

Answer:

13 min 8 sec

Step-by-step explanation:

Answer:

13 hours 15 mins

Step-by-step explanation:

20.7/1.5= 13.8

simplify the following monomials.

Answers

Answer:

13. [tex]m^{37} n^{22}[/tex]

14. [tex]-48x^{4} y^{4}[/tex]

15. [tex]8x^{17}y^{6} z^{10}[/tex]

16. [tex]16x^{38}y^{22}[/tex]

17. [tex]512m^{9} n^{3}[/tex]

18. [tex]-96x^{14} y^{2}[/tex]

19. [tex]-54m^{5} n^{4}[/tex]

20. [tex]8r^{6}s^{10}[/tex]

21. [tex]-x^{15}y^{21}[/tex]

Step-by-step explanation:

If 20 mL of medicine cost $2.00 to produce, then how much does 1L cost?

Answers

Answer:

$100

Step-by-step explanation:

1L has 1000ml, so 1000/20=50x$2.00=$100

I think

Hope this helps

:)

Answer number 2 please

Answers

Answer:

Its 4

Step-by-step explanation:

Volume is base times wigth times height to 5*4*v has to be 60 so we know v is 4.

it’s 4 because 5x3 is 20 and then you need to get to 60 so 20x3 is 60 because of the 3 sides


The length of a planet's orbit around a star is approximately 17,680,000 km.
It takes the planet about 860 Earth days to complete a full orbit.
What is the planet's average speed in kmh 1 to 3sf?

Answers

Answer: 856.59 km/h

Step-by-step explanation:

Length of a planet's orbit around a star = 17,680,000 km.

Days to complete full orbit = 860 days

Number of hours to complete full orbit = 860 × 24 hours = 20640 hours

The planets average speed in km/h will be:

= Distance / Time

= 17,680,000 / 20640

= 856.59 km/h

Note: 24 hours = 1 day

What is 11.3 divided by 3

Answers

This can easily be done by dividing the 3 with 11 which gives you the answer below!

Answer:

it's 3.7666 and so on. It's a repeating decimal.

Step-by-step explanation:

The average ratio of cats to dogs in the uk is 13:15 there are 5200 cats in the city of Bristol . Using the national average ratio , estimate how many dogs there are in the city of Bristol

Answers

Answer:

5,999

Step-by-step explanation:

This is geometry help 25 points!

Answers

Answer:

x=14

y= 12.12436 = 7√3

Step-by-step explanation:

Hope this helps:)

Write an equation that has vertical asymptotes at x=7 and x= -2 and a horizontal asymptotes at y= 1

Answers

Answer:

Step-by-step explanation:

(1+(x-7)(x+2))/((x-7)(x+2))

(x^2-5x-13)/(x^2-5x-14)

Renee bought 6 tickets to a football game. She paid a total of $216.

Answers

Answer:

1 ticket =$36

Step-by-step explanation:

216÷6= $36

Answer:

36

Step-by-step explanation:

Divide 216 by 6 to get the total amount per ticket

PLEASE HELP WITH THIS, TY

Answers

Answer:

Option B

Step-by-step explanation:

The area of a parallelogram = base*height

                                               = 13.5*9.2

                                                = 124.2 cm^2

Someone please help me with these. I forgot how to do these. Need within a hour

Answers

i also forgot man‍ but if you wanna be nice and give me brainliest that would be appreciated

I need help simplifying it​

Answers

Answer:

D: 13b^3 - 18b^2 - 7b + 12

Step-by-step explanation:

First expand the brackets by multiplying (10b^2+7b-3) by -1

Then rearrange the terms so you can see where you have to add them together.

Then simplify

Reall quick pls! Thank you.

Answers

Answer:

1/6 are oranges bc if half are apples 1/2 and 1/3 is bannas we need to make those fraftions match so we multiply 1/2 by 3 and 1/3 by 2 giving us a fraction over 6 which then we add what we already know so 3/6 is apples and 2/6 is bannas we add them together we get 5/6 which leaves us with 1/6 oranges

Step-by-step explanation:

An astronaut was exploring the moon of a distant planet, and found some glowing goo at the bottom of a very deep crater. She brought a 10-gram sample of the goo to her laboratory. She found that when the goo was exposed to light, the total amount of goo increased by 100% every hour.
Giving Brainliest
How much goo will she have after 1 hour? After 2 hours? After 3 hours? After n hours?

Answers

Answer:

after 1 hr = 20 after 2 hrs = 40 after 3 hrs = 80 160 n 3 hrs

PLEASE HELP ITS URGENT
DONT GUESS
WILL MARK BRAINLIEST

Answers

Answer:

Listed below:

Step-by-step explanation:

P: 192

A:2079

B. Area

C. Perimeter

Hope this helps :)

Solve for r in the expression 3 (2 - 5) = 12.​

Answers

Answer:

The answer is x = 9

Step-by-step explanation:

[tex]3(x-5)=12[/tex]

use the distributive property on the left side

[tex]3x-15=12[/tex]

add 15 to both sides

[tex]3x=27[/tex]

divide both sides by 3

[tex]x = 9[/tex]

Answer:

The correct answer will be x=9

Step-by-step explanation:

Because I said so

Determine the domain and range for the relation in interval notation.

Answers

Move from left to right to find the domain.

Domain: -4 to 2 which is [-4,2]

*For domain and range, brackets are used to indicate that values like -4 and 2 are included in the solution set.

Move from bottom to top to find the range.

Range: -3 to 3 which is [-3,3]

Good luck to you! Ask any questions you may have!

how do i factorise x^2+6x-40 ?

Answers

9514 1404 393

Answer:

  (x +10)(x -4)

Step-by-step explanation:

Compare the factored and expanded forms:

  (x +p)(x +q) = x^2 +(p+q)x +pq = x^2 +6x -40

That is, the constants in the binomial factors will be factors of -40 that have a sum of 6. This is where your knowledge of multiplication tables is helpful.

  -40 = -1×40 = -2×20 = -4×10 = -5×8

The sums of these factor pairs are 39, 18, 6, 3, respectively. So, the one we want is (-4)(10) = -40. Now that we know the values of 'p' and 'q', we can write the factorization ...

  x^2 +6x -40 = (x -4)(x +10)

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