Please help!!!

What is different about the solutions to an inequality (like r > -3) with that of an equation (like
= 2)?

With a greater mean value , we can conclude that the sixth period class test was better than the second period .

Second period class:

Mean = (55+70+6*75+6*80+2*85+3*90+95)/20

Mean = 1590/20 = 79.5

Sixth period class:

Mean = (65+3*75+5*80+6*85+3*90+2*95)/20

Mean = 1660/20 = 83

Therefore, From the mean values , we can infer that students performed better in test for the sixth period class than the second .

Learn more on mean : https://brainly.com/question/20118982

#SPJ1

Answer:

.2 Repeating

Step-by-step explanation:

Answer:

4,813,431.07 ft³

\(V = \frac{1}{3} \pi r^2h\\\\V = \frac{1}{3} * 3.14 * \frac{307}{2^2} * 195\)

    \(= 4,813,431.07\)

Aggregate Demand (AD) is a macroeconomic concept that represents the total demand for goods and services in an economy. The X factor in the AD equation represents exports, which are an important part of the economy.

AD is calculated by adding up the individual components of demand, which include consumer spending (C), investment spending (I), government spending (G), and net exports (X-M). The X-M component represents the difference between exports (X) and imports (M).

The X component in the equation represents exports, which are the goods and services produced domestically and sold to foreign countries. Exports are an important part of the economy as they generate income and create jobs. The M component in the equation represents imports, which are the goods and services purchased from foreign countries and consumed domestically. Imports can have a negative impact on the economy as they represent a drain on resources and can lead to a trade deficit. The X factor in the equation is used to represent exports because it is a variable that can change over time. Factors that can affect exports include exchange rates, tariffs, and global demand for certain products. If the exchange rate between two currencies changes, it can make exports more or less expensive for foreign buyers, which can affect the level of exports. Tariffs are taxes on imports, which can make domestic products more competitive in foreign markets.

To know more about Aggregate Demand visit :-

https://brainly.com/question/29349235

#SPJ11

Answer:

p = -5

Step-by-step explanation:

Answer:

p = -5

Step-by-step explanation:

-7 + 11p = 3 - 47

Add 7 to both sides

-7 + 11p + 7 = 3 - 47 + 7

Simplify

11p = 3p - 40

Subtract 3p from both sides

11p - 3p - 3p - 40 - 3p

Simplify

8p = -40

Divide both sides by 8

\(\frac{8p}{8} = \frac{-40}{8}\)

Simplify

p = -5

Answer:

They are correct. :)

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

divide 104 by 13

Answer:

8

Step-by-step explanation:

well if you take 13 times 8 then that equals 104 so you can buy 8 ink cartridges!

Rationalize the denominator of 5√7/ √5

5√7 / √5

=> 5√7/√5×√5/√5

=> 5√7×5/(√5)^2

=> 5√35/5

=>√35

=> 5√7

Answer:

1/2

Step-by-step explanation:

2, 3, and 5 are the prime numbers. Therefore, it would be 3/6 or 1/2 chance she rolls a prime number.

Answer:

Step-by-step explanation:

Given equation,

\( \sf 3x-7=2x+5\)

Move all terms containing x to the left side of the equation and others to the right side of the equation,

\( \sf 3x - 2x = 5 + 7 \)

\( \sf1x = 12\)

Divide both sides by 1 .

\( \sf x = 12 \)

Answer: 0.10...

Step-by-step explanation:

Answer:

2, -2, and 0.

Explanation:

First, we need to factorize the left side of the equation as:

(x² + 4)² + 32 = 12x² + 48

(x² + 4)² + 32 = 12( x² + 4)

Now, we need to substitute a = x² + 4, so:

a² + 32 = 12a

So, solving for a, we get:

a² + 32 - 12a = 12a - 12a

a² + 32 - 12a = 0

a² - 12a + 32 = 0

(a - 8)(a - 4) = 0

Then:

a - 8 = 0

a - 8 + 8 = 0 + 8

a = 8

or

a - 4 = 0

a - 4 + 4 = 0 + 4

a = 4

Then, a is equal to x² + 4, so replacing a by x² + 4 on each solution for a, we get:

For a = 8:

x² + 4 = 8

x² + 4 - 4 = 8 - 4

x² = 4

x = ±√4

x = ± 2

For a = 4:

x² + 4 = 4

x² + 4 - 4 = 4 - 4

x² = 0

x = 0

Therefore, the solutions for x are 2, -2, and 0.

Answer:

14

Step-by-step explanation:

Answer:

t + 4/10 >1

t + 4>1*10

t >10 - 4

t > 6

After adding and subtracting the rational expressions , the simplified rational expression is 4x - 4/x² - 5/x³ + 9  .

We first simplify each expression inside the parentheses :

that means :

⇒ (2x + 5/x² -3x) = (2x - 3x + 5/x²) = (-x + 5/x²) ;

⇒ (3x + 5/x³ - 9x) = (-6x + 5/x³)  ;

⇒ (x + 1/x² - 9) = (-9 + x + 1/x²)  ;

Now we substitute these expressions into original equation/expression :

we get ; (-x + 5/x²) - (-6x + 5/x³) - (-9 + x + 1/x²)

Simplifying further ,

we get ;

⇒ -x + 5/x² + 6x - 5/x³ + 9 - x - 1/x²  ;

On Combining the like terms, we get ;

⇒ 4x - 4/x² - 5/x³ + 9

Therefore, the simplified rational expression is 4x - 4/x² - 5/x³ + 9.

Learn more about Rational Expression here

https://brainly.com/question/6460158

#SPJ4

The given question is incomplete , the complete question is

Adding and subtracting rational expressions, Simplify the rational expression  (2x + 5/x² -3x) - (3x + 5/x³ - 9x) - (x + 1/x² - 9)  .

In the Isosceles triangle, the height is 7.41 and the two angles a and c are the same.

According to the statement

we have to find the height and the angles of the isosceles triangle.

So, For this purpose, we know that the

Isosceles triangle is a triangle in which two sides have the same length.

From given information:

Isosceles triangle has a base of 6 cm and the equal sides are each 8 cm long.

And

The formula for find the height of triangle is:

\(H = \sqrt{a^{2} - \frac{b^{2} }{4} }\)

where a is the sides and the b is the base.

So, Substitute the values in it then

\(H = \sqrt{8^{2} - \frac{6^{2} }{4} }\)

\(H = \sqrt{ 64 - \frac{36 }{4} }\)

then after solving

\(H = \sqrt{ 64 -9 }\)

\(H = \sqrt{55}\).

And now angles of triangle are:

We know that the angles (two ) are of the same measurement of the triangle.

So, In the Isosceles triangle, the height is 7.41 and the two angles a and c are the same.

Learn more about Isosceles triangle here

https://brainly.com/question/1475130

#SPJ1

Answer:

He gave you 48 cards.

Step-by-step explanation:

150 * 32% (which is also 0.32) is equal to 48.

Divide the percentage by 100.

32 / 100 = 0.32.

You then multiply 0.32 by 150 to get the part.

0.32 x 150 = 48.

32% of 150 is 48.

Your answer is 48 cards.

Answer:

c

Step-by-step explanation:

i just had that question

Answer:

68 = 2L + 2(9)

Step-by-step explanation:

Just write down exactly what it says!

The perimeter of a rectangle is 68 inches

68

The perimeter equals twice the length of L inches

68 = (2 × L)

Plus twice the width of 9 inches.

68 = (2 × L) + (2 × 9)

Now just clean up the equation.

68 = 2L + (2 × 9)

68 = 2L + 2(9)

The answer is 68 = 2L + 2(9).

Answer:-$208

Step-by-step explanation:

The independent set in a graph is a set of vertices that contain no edges. So, no neighboring vertices are included. The max independent set problem is to get an independent set of maximum size in graph G.

The solution for this question is discussed below:

a) The integer linear program for the max independent set problem is as follows:

maximize ∑x_i Subject to: x_i+x_j ≤ 1 {i,j} ∈ E;x_i ∈ {0, 1} ∀i. The variable x_i can represent whether the ith vertex is in the independent set. It can take on two values, either 0 or 1.

b) The LP relaxation for the max independent set problem is as follows:

Maximize ∑x_iSubject to:

xi+xj ≤ 1 ∀ {i, j} ∈ E;xi ≥ 0 ∀i. The variable xi can take on fractional values in the LP relaxation.

c) The family of graphs is as follows:

Consider a family of graphs G = (V, E) defined as follows. The vertex set V has n = 2^k vertices, where k is a positive integer. The set of edges E is defined as {uv:u, v ∈ {0, 1}^k and u≠v and u, v differ in precisely one coordinate}. It can be shown that the size of the max independent set is n/2. Using LP, the value can be determined. LP provides a value of approximately n/4. Therefore, the ratio LP-OPT/OPT is at least c/4. Therefore, the ratio is in for a constant c>0.

d) The size of a max-independent set is equivalent to the number of vertices minus the minimum vertex cover size.

e) The 2-approximation algorithm for vertex cover implies a 2-approximation algorithm for the max independent set.

To know more about the independent set, visit:

brainly.com/question/31418821

#SPJ11

Answer:

Robins= j+35

(J-63)+j+(j+35)=256

Step-by-step explanation:

Answer:

1.d         2.c

Step-by-step explanation:

:)

Answer:

i think its the last one

Step-by-step explanation:

it seems like the smart thing ti pick

Mean reversion is the tendency of prices or variables to return to their average level. The mean-reverting level, x1, is calculated using statistical methods and indicates potential future decreases or increases.

Mean reversion refers to the tendency of asset prices or economic variables to move back to their average or mean level over time. The mean-reverting level, x1, for a time series can be calculated using statistical methods like moving averages or exponential smoothing. These techniques estimate the average value or trend of the data.



The interpretation of x1 depends on the context. If the current value is above x1, it suggests a potential future decrease, reverting back to x1. Conversely, if the current value is below x1, it indicates a potential future increase, also reverting back to x1. The deviation from x1 provides insights into the strength or speed of the mean reversion process.



Therefore, Mean reversion is the tendency of prices or variables to return to their average level. The mean-reverting level, x1, is calculated using statistical methods and indicates potential future decreases or increases.

To learn more about statistical click here

brainly.com/question/33214409

#SPJ11

The weighted average of the numbers 1 and 6 is 2

A weighted average is the average of a set of numbers, each with different associated “weights” or values. To find a weighted average, multiply each number by its weight, then add the results.

Given that, the weighted average of 1 and 6 in this instance, means the sum of the two numbers multiplied by their weights which are four-fifths and one-fourth respectively.

Weighted average = (first number x weight of first number)+(second number x weight of second number)

first number = 1

weight of first number = four fifths = 4/5

second number = 6

weight of second number = one fifth = 1/5

Therefore,

The weighted average = (1 x 4/5) + (6 x 1/5)

= 2

Hence, the weighted average of the numbers 1 and 6 is 2

Learn more about weighted average on;

brainly.com/question/28293878

#SPJ1

given,

measure of sides of the square = 12 cm

we know, diagonal

d = a√2

now,

d = 12√2

d = 16.970

a/q we have to round the answer to the nearest centimetres

so,

it is 17 cm

hope this answer helps you dear! take care!

Answer:

05 units up and down

Step-by-step explanation:

hope this hepled luv!

The phrase that best describes the translation from the graph y = 2x^2 to the graph of y = 2x^2 + 5 is "5 units up".

Let the functions f(x) and g(x) be two real functions.

And g (x) = f (x) + k, where k is real numbers.

The function can be sketched by shifting f (x), k units vertically.

The direction of shift can be found by the value of k:

if k > 0, the base graph shifts k units up, and

if k < 0, the base graph shifts k units down.

Adding a constant term to a function vertically shifts its graph up or down, depending on the sign of the constant.

In this case, the constant term is positive (+5), which means that the graph of y = 2x² + 5 is shifted upward by 5 units compared to the graph of y = 2x².

Therefore, the correct phrase is "5 units up".

To learn more about the transformation on the graphs;

https://brainly.com/question/19040905

#SPJ7

The range, population variance, and population standard deviation for the given data set are 28, 83.36, and 9.12,

To calculate the range, population variance, and population standard deviation for a given data set, we can use the following formulas:

Range = max value - min value

Population variance = (∑(x - mean)^2) / n

Population standard deviation = √(population variance)

Where "x" represents each individual value in the data set, "mean" is the average of the values in the data set, and "n" is the total number of values in the data set.

For the given data set {8, 3, 10, 10, 8, 3, 4, 5, 7, 31}, the range is 31 - 3 = 28.

The mean of the data set is (8 + 3 + 10 + 10 + 8 + 3 + 4 + 5 + 7 + 31) / 10 = 10.6.

The population variance is

\([(8 - 10.6)^2 + (3 - 10.6)^2 + (10 - 10.6)^2 + (10 - 10.6)^2 + (8 - 10.6)^2 + (3 - 10.6)^2 + (4 - 10.6)^2 + (5 - 10.6)^2 + (7 - 10.6)^2 + (31 - 10.6)^2] \div 10 = 83.36.\)

The population standard deviation is √(83.36) = 9.12.

Therefore, the range, population variance, and population standard deviation for the given data set are 28, 83.36, and 9.12, respectively.

To learn more about the  standard deviation, visit:

brainly.com/question/23907081

#SPJ4

Answer:

Solve 2 1/3 divided by 3 1/2.

Step-by-step explanation: