Can someone help me please

Considering the given linear function, the inequality graphed is:

B. \(y \geq 2x + 2\).

A linear function is modeled by:

y = mx + b

In which:

The line intersects the y-axis at 2 units, hence the y-intercept is b = 2. The function also passes through (1,4), hence the slope is:

m = (4 - 2)/(2 - 1) = 2.

Thus the equation of the line is:

y = 2x + 2.

The left-side of the line is the values above the line, hence the inequality is:

B. \(y \geq 2x + 2\).

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Step-by-step explanation:

50

Answer:

Below in bold.

Step-by-step explanation:

The hexagon is made up of 6 equilateral triangles.

So the Base = 12 cm.

Height a = 12 cos 30 = 10.392 cm

So area of 1 triangle =  1/2 * 12 * 10.392 cm^2

- and total area =  6 *  1/2 * 12 * 10.392

= 36 * 10.392

= 374.11 cm^2 to the nearest hundredth.

Answer:

fractions are cross multiplied in two situations:

division:

for e.g what is \(\frac{3}{2}\)÷\(\frac{7}{5}\)

to solve this expression we cross-multiply fractions:

=15/14

In equation:

for eg \(\frac{8x}{7}\) = \(\frac{2}{9}\)

to solve this we cross multiply:

8x(9)=2(7)

72x=14

x=14/72

In equation cross multiplication can only be carried out if denominator is same for e.g \(\frac{2}{1}\)+ \(\frac{8x}{7}\) = \(\frac{4}{7}\) cannot be cross multiplied until denominator of 8x and 2 is same

Plss mark as brainliest

By cross multiplying, you can simplify the equation and solve for the unknown variable.

Cross multiplication is a technique used when solving equations involving fractions. It is typically used when you have a proportion or an equation with fractions, and you want to eliminate the denominators and solve for the unknown variable.

Cross multiplication involves multiplying the numerator of one fraction by the denominator of the other fraction and vice versa. This technique is useful for simplifying equations and solving for the unknown variable.

You should cross multiply with fractions when you have an equation in the form:

a/b = c/d

To cross multiply, you would multiply ad (product of the numerators) and bc (product of the denominators) and set them equal:

ad = bc

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Answer:

y= 3x+14

Step-by-step explanation:

3x because the slope is 3

14; solve for B by plugging in x=-4, y=-2 into y=3x+B

Answer:

1week=7days

7days=30%

1day=24hrs

24×7=168hours

168=100% about 30%

168×30÷100=50.4hours

The following distributions has a mean that varies

II. The distribution of sample data

III. The sampling distribution of the sample mean

The correct answer is option v) II and III."

Here, we have,

In the context of statistical distributions:

I. The population distribution refers to the distribution of a specific variable within the entire population. The mean of the population distribution which is fixed and does not vary.

II. The distribution of sample data refers to the distribution of a variable within a specific sample. The mean of the sample data can vary from one sample to another.

III. The sampling distribution of the sample mean refers to the distribution of sample means taken from multiple samples of the same size from a population. The mean of the sampling distribution of the sample mean is equal to the population mean, but the individual sample means can vary from sample to sample.

Therefore, the mean varies in both the distribution of sample data (II) and the sampling distribution of the sample mean (III), but not in the population distribution (I).

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In Milgram's first study of obedience, the majority of teachers initially complied but refused to deliver more than slight levels of shock.

In Milgram's first study of obedience, participants were assigned the role of 'teacher' and were instructed to administer electric shocks to a 'learner' whenever they answered a question incorrectly. The shocks ranged from mild to severe, with the highest level labeled as 'XXX.' The learner was actually an actor, and no real shocks were administered.

The study found that the majority of teachers initially complied with the experimenter's orders and delivered shocks, but they refused to deliver more than slight levels of shock. This suggests that while they were willing to follow the instructions to some extent, they had moral reservations about causing significant harm to another person.

It is important to note that the study has been criticized for ethical concerns and the potential psychological harm it may have caused to participants. However, it remains a significant contribution to our understanding of obedience and the power of authority figures.

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Answer: 188

Step-by-step explanation:

So first do

6 X 24=144+44=188

Tell me if I am right

Answer:

Step-by-step explanation:

11

Therefore, the solution to the system of equations is (x, y) = (5, -5).

An equation is a mathematical statement that shows that two expressions are equal. It consists of two parts: the left-hand side (LHS) and the right-hand side (RHS), separated by an equal sign (=). The LHS and RHS can contain variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division.

Here,

To solve the system of equations using elimination, we want to eliminate one variable (either x or y) by adding or subtracting the equations. We can eliminate y by multiplying the first equation by 5/4 and then adding the two equations together:

-4x - 4y = 0 (multiply by 5/4)

7x + 5y = 10

Multiplying the first equation by 5/4, we get:

-5x - 5y = 0

Now we can add the two equations together:

(7x - 5x) + (5y - 5y) = 10 + 0

2x = 10

Dividing both sides by 2, we get:

x = 5

To find y, we can substitute x = 5 into either equation:

-4x - 4y = 0

-4(5) - 4y = 0

-20 - 4y = 0

-4y = 20

y = -5

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Answer:

 (x + 4)2

Step-by-step explanation:

Use the formula (b/2)2 in order to create a new term in order to find the perfect square trinomial.

The trinomial expression of (x + 4)² in standard form is x² + 8x + 16.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

(x + 4)²

Using the square formula.

(a + b) = a² + 2ab + b²

(x + 4)²

= x² + 8x + 16

This is a trinomial expression since there are three terms.

Thus,

x² + 8x + 16 is a trinomial in standard form.

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Answer:

Step-by-step explanation:

This looks like my teachers worksheet

Answer:

The angle subtended by the arc rounded off to the nearest 10th is 3.6 radians.

We have been given that the length of the arc subtended by the angle at the center is 26.2 units.

The radius of the said circle is 7.3 units.

Now the relation between the length of the arc, the angle subtended by it on the center of the circle, and the radius of the circle is given by

l = rθ

where,

l s the length of the arc in radians

r is the radius of the circle in radians

θ is the angle subtended by the arc

Here l = 26.2 units

r = 7.3 units

Hence we get

θ = l/r

θ = 26.2/7.3

= 3.589 radians

= 3.6 radians

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Problem 4.2

We're told that y = 2x is the equation of the tangent line through point Q.

Plug this into the equation of the circle (that was given at the very top of the page). Solve for x.

x^2 + y^2 - 18x - 6y + 45 = 0

x^2 + (2x)^2 - 18x - 6(2x) + 45 = 0 ... every "y" replaced with "2x"

x^2 + 4x^2 - 18x - 12x + 45 = 0

5x^2 - 30x + 45 = 0

5(x^2 - 6x + 9) = 0

5(x-3)^2 = 0

(x-3)^2 = 0

x-3 = 0

x = 3

This then means y = 2x = 2*3 = 6

The coordinates of point Q are (x,y) = (3,6)

----------

===========================================================

Problem 4.3

We first need to find the location of point S. That will involve solving this system of equations

\(\begin{cases}x-2y+12=0\\y = 2x\end{cases}\)

which represent the equations of lines SR and QS in that exact order.

Like before, we'll apply substitution to solve for x.

x-2y+12 = 0

x-2(2x)+12 = 0

x-4x+12 = 0

-3x+12 = 0

12 = 3x

12/3 = x

4 = x

x = 4

Which leads to y = 2x = 2*4 = 8

Point S is located at (4,8)

Point R is given to be located at (6,9)

Apply the distance formula for these two points to find the length of SR (aka the distance from S to R).

\(S = (x_1,y_1) = (4,8)\\\\R = (x_2,y_2) = (6,9)\\\\d = \text{Length of SR, aka distance from S to R}\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(4-6)^2 + (8-9)^2}\\\\d = \sqrt{(-2)^2 + (-1)^2}\\\\d = \sqrt{4 + 1}\\\\d = \sqrt{5}\\\\d \approx 2.236068\\\\\)

The exact length is \(\sqrt{5}\) and that approximates to roughly 2.236068 units.

----------

Exact length = \(\sqrt{5}\) units

Approximate length = 2.236068 units

In triangle XYZ, m∠Z > m∠X + m∠Y, the term which is true about △XYZ is m∠X + m∠Z < 90° option A.

Three vertices, three sides, and three angles make up a closed triangle. PQR serves as the symbol for a triangle having the vertices P, Q, and R. Triangle-shaped items are most commonly found in sandwiches and signboards.

A closed triangle has three angles, three vertices, and three sides. PQR is the algebraic notation for a triangle with three vertices. The shapes of triangles that are most common are those on sandwiches and signboards.

We know that XYZ is a triangle.

We must choose which choice best describes XYZ.

The total of all a triangle's internal angles is always equal to 180 degrees according to the triangle's angle sum characteristic.

Therefore, ∠X + ∠Y + ∠Z = 180°

Assuming, mZ > mX + mY.

This suggests that Z is larger than the product of angles X and Y.

As a result, X + Y must not be 90 degrees.

Hence, X + Y = 90°.

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Complete question:

In triangle XYZ, m∠Z > m∠X + m∠Y. Which must be true about △XYZ?

m∠X + m∠Z < 90°

m∠Y > 90°

∠X and∠Y are complementary

m∠X + m∠Y < 90°

For a confidence interval, she would use her sample mean, hence the mean of 6.7 pounds.

In the context of this problem, we use the t-distribution instead of the z-distribution, as we have the standard deviation for her sample.

The bounds of the confidence interval are given according to the following rule:

\(\overline{x} \pm t\frac{s}{\sqrt{n}}\)

In which the parameters are defined as follows:

From the first bullet point, we get that she should use her sample mean for the calculation of the confidence interval, that is, the mean of 6.7 pounds should be used.

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The correct answer is k+3 ke-2.

To determine which formula is not equivalent to the other two, we can compare each formula step-by-step. Let's analyze each formula:

1. (-1k-3 k +3 k+ 4 ks4
2. k+3 ke-2
3. k-3 ks4

Starting with formula 1, we can see that it consists of three terms: -1k-3, k+3, and k+4ks4. Each term is separated by a space.

Moving on to formula 2, we have k+3ke-2. This formula also consists of three terms: k+3, k, and e-2. In this case, we have a variable (k) combined with two different exponents (3 and -2).

Finally, formula 3 is k-3ks4. It consists of two terms: k-3 and ks4. Again, each term is separated by a space.

Comparing the three formulas, we can see that formula 1 has three terms, while formulas 2 and 3 have two terms each. Additionally, formula 1 includes the term k+4ks4, which is not present in formulas 2 and 3.

Therefore, the formula that is not equivalent to the other two is k+3 ke-2.

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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.

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The height of the kite is given as follows:

43.3 feet.

The three trigonometric ratios are defined as follows:

For the angle of 48º, we have that:

Hence the height of the kite is obtained as follows:

tan(48º) = h/39

h = 39 x tangent of 48 degrees

h = 43.3 feet.

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Answer:

none

Step-by-step explanation:

{ x=5-y

{ x=y=6

substitute the given value of x into the equation x+y=6

5-y+y=6

the equation for y

y∈⊘

The correct factor is (2x - 3) and (2x + 3).

It is a polynomial that is equal to zero. Polynomial of variable power 2, 1, and 0 terms are there. Any equation having one term in which the power of the variable is a maximum of 2 then it is called a quadratic equation.

Given

4x² -9 = 0 is a quadratic equation.

The factor of the given equation.

4x² -9 = 0 is a quadratic equation.

According to factorization,

                 4x² - 9 = 0

             (2x)² - 3² = 0

( 2x - 3 ) ( 2x + 3 ) = 0

Thus the correct factor is (2x - 3) and (2x + 3).

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Answer:

The answer is C or the third option.

Step-by-step explanation:

Looking at the tiles for the third option, there are the same amount of negative and positive x-tiles. This means that they cancel each other out. What's left are the 4 x^2 tiles and 9 negative tiles. When put together the equation is 4x^2 - 9. This option represents the factors of 4x^2 - 9 accurately.

Answer:

5.831

Step-by-step explanation:

Pythagoras says RS = √(5²+3²) = √34 ≈ 5.831

Answer:

RS ≈ 5.83 units

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

Here RS is the hypotenuse and the legs have measure 5 and 3, thus

RS² = 5² + 3² = 25 + 9 = 34 ( take the square root of both sides )

RS = \(\sqrt{34}\) ≈ 5.83 ( to 3 significant figures )

Answer:

4 hours 2560 bacteria

Step-by-step explanation:

If you do the multiplication side by side it equaizes itslef at 4 hours

Step-by-step explanation:

6x - 8 = 4x

6x- 4x = 8

2x = 8

x = 8/2

x = 4

\(...\)

Answer:    x=4

Step-by-step explanation:

6x-8=4x   subtract 4x from both sides

-4x   -4x

2x-8=0     isolate x by adding 8 on both sides

+8    +8

2x=8     divide by 2 on both sides

/2    /2

x=4

Answer:

32 feet

Step-by-step explanation:

If the model was 1 ft, then the tree would actually be 4 feet.

If the model is 8 ft, then the tree would actually be 32 feet.

Answer:

true

Step-by-step explanation:

truuuuuusststttt me

The total surface area of a cylinder of radius 4 cm and height of 8cm in terms of pie is 96π cm².

Surface area of cylinder  = 2πr(r + h)

where

Therefore,

height  = 8 cm

radius = 4 cm

Hence,

Surface area of cylinder  = 2 × π × 4 (4 + 8)

Surface area of cylinder  = 8π(12)

Surface area of cylinder  = 96π cm²

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Answer:

Definitions, postulates, and theorems.

Step-by-step explanation:

- Definition: This is a statement that describe the meanings of the terms being used.

- Postulate: This is a statement that is assumed true without proof. It is a statement that is taken to be "clearly true".

- Theorem: This is a statement that is never assumed to be true until it is proven so. It depends strongly on proofs.

Answer:

48.6, 43.785, 43.687, 28.8, 28.078, 27.78,  .789, .43

Step-by-step explanation:

Correct me if I'm wrong, i couldn't tell if some of them were decimals or not because what is given was messy

Answer:99.9

Step-by-step explanation:

The percent of small businesses to all businesses is equal to 99.99%.

It is given that there are about 30.2 million small businesses and about 30000 large businesses.

We have to find out what percent of all businesses in the U.S. are small businesses.

What do you mean by percentage ?

A percentage is a number or say ratio that can be expressed as a fraction of 100.

As per the question ;

The approximate number of small businesses is ;

= 30.2 million

= 30200000

The number of large businesses is ;

= 30000

Total number of businesses will be ;

=  30200000 + 30000

= 30230000

The percent of small businesses to all businesses ;

= \(\frac{30200000}{30230000}\) × 100 %

= 0.999 × 100 %

= 99.99 %

Thus , the percent of small businesses to all businesses is equal to 99.99%.

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