Please answer correctly !!!!! Will mark brainliest !!!!!!!!!!!

Answer:

2 pi or 6.2831853...

Step-by-step explanation:

C=pi 3r

The circumferance of the circle given is 2π units.

Area is a collection of two - dimensional points enclosed by a single dimensional line. Mathematically, we can write -

V = ∫∫F(x, y) dx dy

Given is a circle whose radius is equivalent to 1 units.

It is asked to find the circumferance of the circle given in the formula.

We know that the circumferance of the circle is given by the formula -

C = 2πr

Putting the values, we get -

C = 2 x π x 1

C = 2π units

So, it can be concluded that the circumferance of the circle given is 2π units.

Therefore, the circumferance of the circle given is 2π units.

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The logarithm and exponential functions are inverse of each other. The exponential function raises a number to a power and the logarithm gives the power that the number has to be raised to in order to equal a given value. In other words, the exponential function expresses exponential growth, while the logarithm expresses exponential decay.

For example, if y = 2^x, then x = log2(y). This logarithmic relationship is useful in solving exponential problems and understanding exponential dynamics.

In exponential dynamics, logarithms are used to study and model changes that occur at exponential rates, such as population growth or decay, interest rate calculations, and many other real-world applications. The logarithmic relationship helps to simplify the exponential equations and make them easier to work with.

In summary, the logarithm and exponential functions are important in understanding exponential dynamics because the logarithmic relationship helps to simplify exponential problems and make them easier to solve.

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Where the above conditions are given,  the correct option is: Plan 1 is a better deal for more than 5 cards purchased.

To determine   which pricing plan is a better deal,we need to compare the total cost for a certain number of game cards purchased.

Let's calculate the   total cost for different numbers  of game cards.

For Plan 1  -

- Admission fee  - $5 (fixed)

- Cost per game card  - $1

For Plan 2  -

- Admission fee  - $2.50 (fixed)

- Cost per game card  - $1.50

Now, let's compare the total cost for different numbers of game cards  -

1. If you purchase 1 game card  -

  - Plan 1  - $5 (admission fee) + $1 (cost per game card) = $6

  - Plan 2  - $2.50 (admission fee) + $1.50 (cost per game card) = $4

2. If you purchase 5 game cards  -

  - Plan 1  - $5 (admission fee) + $5 (cost for 5 game cards) = $10

  - Plan 2  - $2.50 (admission fee) + $7.50 (cost for 5 game cards) = $10

3. If you purchase 8 game cards  -

  - Plan 1  - $5 (admission fee) + $8 (cost for 8 game cards) = $13

  - Plan 2  - $2.50 (admission fee) + $12 (cost for 8 game cards) = $14.50

Based on these calculations, we can conclude that  -

- Plan 1 is a better deal for more than 5 cards purchased.

- Plan 2 is a better deal for more than 8 cards purchased.

Therefore, the correct option is  - Plan 1 is a better deal for more than 5 cards purchased.

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Answer:

C

Step-by-step explanation:

First, let us understand that in simple terms the conjugate of a radical simply involves the change in sign of the radical

in the problem the conjugate of x+4+5

The probability that the pastry contains cinnamon is 27%.

For the stated question;

Thus, the selection of cinnamon is done as;

15C1 = 15!/(15! x 1!) = 15

The selection of remaining ingredients are done as;

14C3 = 14!/(11! x 3!) = 364

The selection of 4 ingredients out of 15 are done as;

15C4 = 15!/(11! x 4!) = 1365

Now , probability that the pastry will contain cinnamon ;P(C).

P(C) = (15 + 364) / 1365

P(C) = 0.270

P(C) = 27%

Thus, the probability that the pastry will contain cinnamon is 27%.

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Answer:

Step-by-step explanation:

Numbers increase 3 times a day, it is an exponential function, powers of 3

The function is going to be:

Options are not clear, it seems to be D

Answer:

w = 20

Step-by-step explanation:

2 (3w - 6) = 5w + 8

distribute the 2

6w - 12 = 5w + 8

subtract 5w from both sides

w - 12 = 8

add 12 to both sides

w = 20

Answer:

The value of w is 20.

Step-by-step explanation:

Solution :

\({\longmapsto{\tt{2(3w - 6)=5w + 8}}}\)

\({\longmapsto{\tt{(3w \times 2 )- (6 \times 2)=5w + 8}}}\)

\({\longmapsto{\tt{(6w)- (12)=5w + 8}}}\)

\({\longmapsto{\tt{6w - 12=5w + 8}}}\)

\({\longmapsto{\tt{6w - 5w = 8 + 12}}}\)

\({\longmapsto{\tt{w = 20}}}\)

Hence, the value of w is 20.

\(\rule{300}{2.5}\)

Answer: 603

Step-by-step explanation:

pi r^2 x h

16x 3.14 x 12 + 603 rounded

Answer:

x = 122°

Step-by-step explanation:

There is remote angle( non- adjecent angle) and their sum equal to the exterior angle .

Exterior angle is an angle formed from one side of the polygone and the extended side so

<A and <B are remot angle and <BCD is exterior angle .

And we write the equetion as

<A + <B = <BCD

58° + 64° = x°

122° = X°

so the exterior angle ( x ) measures 122° .

Answer: Smashed Peach i.e.  \(\dfrac{27}{36}\)

Step-by-step explanation:

Given

Linda needs \(\frac{6}{9}\) cup of strawberries

and \(\frac{3}{4}\) cup of mashed peach for a recipe

For two fractions to have the same denominator, take L.C.M. of the denominator

\(\Rightarrow \text{L.C.M.(4,9)}=36\)

\(\therefore \dfrac{6}{9}=\dfrac{6\times 4}{36}=\dfrac{24}{36}\\\\\Rightarrow \dfrac{3}{4}=\dfrac{3\times 7}{36}=\dfrac{27}{36}\)

Therefore, she needs more mashed peach for the recipe.

The counselor obtained convenience sample.

The term "convenience sampling" refers to a technique used by researchers to gather market research data from a pool of respondents who are conveniently accessible. It is the most often utilized sample technique since it is so quick, simple, and affordable.

Convenience sample mostly produces biased result and hence, the counselor should have taken random samples.

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Answer:11x-15y

Step-by-step explanation:

It is true that the binomial x + 1 is a factor of the polynomial P(x) = 5x^2 + 11x + 6

From the question, the given parameters are

Start by setting the binomial to 0

So, we have

x + 1 = 0

Solve for x in the above equation

x = -1

Substitute -1 for x in the polynomial equation P(x) = 5x^2 + 11x + 6

P(-1) = 5(-1)^2 + 11(-1) + 6

Evaluate

P(-1) = 0

Because P(-1) equals 0, then the binomial is a factor of the polynomial

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Answer:

1/5

Step-by-step explanation:

Answer:1/2

Step-by-step explanation:

Answer:

The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate.

Step-by-step explanation:

Here it is.

Constant of proportionality = 4

Answer:

D

Step-by-step explanation:

Somehting bknbye3uehnfhnjun Español uno, como sulfhídrica

Answer:

\(f(t) = 7.23( {1.0114}^{t} )\)

t = 0 represents January 1, 2014

(a)

\(f(6) = 7.23( {1.0114}^{6} ) = 7.739\)

The population of the world is expected to be about 7.739 billion people on January 1, 2020.

(b)

\(7.23( {1.0114}^{t} ) = 10\)

\(t = about \: 28.61 \: years\)

The population of the world is expected to be 10 billion people in about 28.61 years after January 1, 2014 (sometime in August 2042).

Answer:

22950000000 or \(22.95^{110000}\)

Step-by-step explanation

\(10^9\cdot \:22.95x^2\) = \(22.95^{110000}\)

Answer: \(22950000000\)

Step-by-step explanation:

\((8.5x10^5)(2.7x10^4)\)

The solution set is 1 ≥ f ≥ -4, and the correct number line is the one in option A.

Here we have the inequality:

-1 ≤ -2f + 1 ≤ 9

To solve this, we need to isolate the "f" on the middle.

First, we can subtract 1 in both sides to get:

-2  ≤ -2f ≤ 8

Now we need to divide both sides by -2, remember that this will change the direction of the symbols:

-2/-2 ≥ f ≥ 8/-2

1 ≥ f ≥ -4

So we need to have a line that starts at -4 and ends at 1, the correct option is number line A.

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Answer:

Step-by-step explanation:

Its 50% for the first one

Answer:

18064

Step-by-step explanation:

these equations are always in this order:

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

To remember this, my teacher told us the phrase; "Please Excuse My Dear Aunt Sally".

The slope of the line that passes through the graph is 3

From the graph, the points are given as

(0, 0)  and (1, 3)

Rewrite the above points properly

So, we have the following ordered pairs

(x, y) = (0, 0)  and (1, 3)

The slope of the line is then calculated using the following slope equation

Slope = (y₂ - y₁)/(x₂ - x₁)

Where

(x, y) = (0, 0)  and (1, 3)

Substitute the known values in the above equation

So, we have the following equation

Slope = (3 - 0)/(1 - 0)

Evaluate

Slope = 3

Hence, the slope of the line is 3

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Answer:

Step-by-step explanation:

(-3,4)

Answer:

La probabilidad de sacar dos cartas rojas sin reemplazo de una baraja con 10 cartas rojas, 4 cartas azules y 2 cartas amarillas es 3/8 o 0.375.

Step-by-step explanation:

1. Determina la probabilidad de sacar una carta roja del mazo:

P(Rojo) = Número de Tarjetas Rojas / Número Total de Tarjetas

P(Rojo) = 10 / (10 + 4 + 2)

P(Rojo) = 10 / 16

P(Rojo) = 5 / 8

2. Determine la probabilidad de sacar una segunda tarjeta roja después de sacar la primera carta. Como ya se sacó una carta roja, solo quedan 9 cartas rojas en el mazo, y el número total de cartas restantes es 15:

P(Roja en el segundo sorteo) = Número de tarjetas rojas restantes / Total de tarjetas restantes

P (Rojo en el segundo sorteo) = 9 / 15

3. Multiplique la probabilidad de sacar una tarjeta roja por la probabilidad de sacar una segunda tarjeta roja después de sacar la primera para obtener la probabilidad de sacar dos tarjetas rojas sin reemplazo:

P(Dos tarjetas rojas) = ​​P(Roja) * P(Roja en el segundo sorteo | Roja en el primer sorteo)

P(Dos tarjetas rojas) = ​​(5/8) * (9/15)

P(Dos tarjetas rojas) = ​​3/8 o 0,375

Por lo tanto, la probabilidad de sacar dos cartas rojas sin reemplazo del mazo es 3/8 o 0.375.

If 50 students are randomly selected, it can be estimated that approximately 11 of them would study fewer than 20 minutes per week.

To determine the approximate number of students expected to study fewer than 20 minutes per week, we need to consider the proportions of students who fall into that category.

Given information:

Freshman males: 9

Freshman females: 15

Sophomore males: 8

Sophomore females: 12

To estimate the proportion of students who study fewer than 20 minutes per week, we would need additional information about the study habits of the students. Without that information, we cannot make a precise estimation.

However, if we assume that the study habits are evenly distributed among the students, we can make a rough approximation based on the given proportions.

Total number of students = 9 + 15 + 8 + 12 = 44

Assuming the study habits are evenly distributed, we can estimate that each group (freshman males, freshman females, sophomore males, and sophomore females) constitutes roughly 1/4th of the total students.

Expected number of students studying fewer than 20 minutes per week:

Freshman males: (1/4) * 9 = 2.25 (approximated to 2)

Freshman females: (1/4) * 15 = 3.75 (approximated to 4)

Sophomore males: (1/4) * 8 = 2

Sophomore females: (1/4) * 12 = 3

Total expected number of students studying fewer than 20 minutes per week = 2 + 4 + 2 + 3 = 11

Therefore, if 50 students are randomly selected, it can be estimated that approximately 11 of them would study fewer than 20 minutes per week.

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We are given log ( 10^3)

We can use one of the properties of logs

log u^n = n log u

Rewriting log ( 10^3) using this property

log ( 10^3) = 3 log 10

log has an implied base of 10

log 10 = 1

3 log 10 = 3 *1 =3

The two correct choices are

A. 3 * log 10

D. 3

Answer:

-300h 10 2.5

Step-by-step explanation:

juts did it

Answer:

Step-by-step explanation:

The discriminant of the equation is 36n

The formula for finding the discriminant is expressed according the formula below:

D = b^2 - 4ac

Given the equation below:

6t=-(n-1)t^2+9

Equate to zero

-(n-1)t^2 - 6t + 9 = 0

(n-1)t^2 + 6t - 9 = 0

From the equation;

a = n - 1

b = 6

c = -9

Substitute

D = 6^2 - 4(n-1)(-9)
D = 36 - 4(-9n+9)
D = 36 +36n - 36

D = 36n

Hence the discriminant of the equation is 36n

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Answer:

6x^2+17x+12

Step-by-step explanation:

(3x+4) * (2x+3)

3x * 2x = 6x^2

3x * 3 = 9x

+4 * 2x = +8x

+4 * +3 = +12

6x^2+ 9x+8x +12

Simplify:
6x^2+17x+12