I'd really appreciated it if you could help​

Answer:The probability of rolling a 6-sided die and getting a 1 or a prime number is 0.66 or 66%.

Step-by-step explanation:What is the probability of getting a prime number of a factor of 6?

The probability of getting a prime number is 1/2.

So, the total number of outcomes on rolling a die is 6. Now to obtain a prime number, the die should show 2, 3, or 5.

Answer: (4,-5)

Step-by-step explanation:

8y = -40

(divide by 8)

y = -5

(plug it in to one of the equations)

3x + 6*-5 = -18

3x + -30 = -18

3x = 12

x = 4

Answer:

y=1/4x-4

Step-by-step explanation:

slope is 1/4 and the y intercept is -4

Therefore , the problem of equation comes out to be Four is the solution when transformed into an equation.

An equilibrium is a rule that shows two expressions are equal by using the equals sign.The connotations of the measures the overall and its cognates might differ slightly among languages. For example, whereas in English an equation is really any well-formed formula made up of two expressions connected by the equals sign, an equation in French is defined as comprising one or more variables.

When attempting to solve a variable equation, the first step is to identify the variables with values that lead to equality.

The equation's solutions are the values of the unknown variables that satisfy the equality as well as the unknown variables that the equation should be solved.

Here,

8N+2N-6=34

10N-6=34

10N=40

N=4

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Answer:

1. 1/4 2. 16

Step-by-step explanation:

i did my math plz mark brainliest

In a multiple regression model, the variance of the error term ε is assumed to be constant or homoscedastic. This means that the variance of the error term remains the same across all values of the independent variables.

The assumption of homoscedasticity is important because it ensures that the errors are not systematically biased towards certain values, which could lead to inaccurate predictions and statistical significance tests. Violations of homoscedasticity can occur when there are outliers, heterogeneity in the sample, or when the relationship between the dependent and independent variables changes across different values of the independent variables. In such cases, alternative regression models such as weighted least squares or robust regression may be used.

In a multiple regression model, the variance of the error term ε is assumed to be constant and equal across all observations. This assumption, known as homoskedasticity, ensures that the model's predictions are reliable and the standard errors of the regression coefficients are accurate. If the variance is not constant, it can lead to heteroskedasticity, which can negatively impact the efficiency of the regression estimates and result in biased standard errors, potentially leading to incorrect inferences about the relationships between variables. Therefore, maintaining the assumption of constant error variance is crucial for a valid multiple regression analysis.

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Answer:

  2. 26.2 m

  3. 117.2 cm

Step-by-step explanation:

You want the perimeters of two figures involving that are a composite of parts of circles and parts of rectangles.

The circumference of a circle is given by ...

  C = πd . . . . . where d is the diameter

The length of the semicircle of diameter 12.6 m will be ...

  1/2C = 1/2(π)(12.6 m) = 6.3π m ≈ 19.8 m

The two lighted sides of the rectangle have a total length of ...

  3.2 m + 3.2 m = 6.4 m

The length of the light string is the sum of these values:

  19.8 m + 6.4 m = 26.2 m

The length of the string of lights is about 26.2 meters.

The perimeter of the figure is the sum of four quarter-circles of radius 11.4 cm, and 4 straight edges of length 11.4 cm.

Four quarter-circles total one full circle in length, so we can use the formula for the circumference of a circle:

  C = 2πr

  C = 2π·(11.4 cm) = 22.8π cm ≈ 71.6 cm

The four straight sides total ...

  4 × 11.4 cm = 45.6 cm

The perimeter of the figure is the sum of the lengths of the curved sides and the straight sides:

  71.6 cm + 45.6 cm = 117.2 cm

The design has a perimeter of about 117.2 cm.

__

Additional comment

The bottom 12.6 m edge in the figure of problem 2 is part of the perimeter of the shape, but is not included in the length of the light string.

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Answer: The  value of the expression is 3.

Definition of expression : Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between. The mathematical operators can be of addition, subtraction, multiplication, or division. For example, x + y is an expression, where x and y are terms having an addition operator in between. In math, there are two types of expressions, numerical expressions - that contain only numbers; and algebraic expressions- that contain both numbers and variables.

Explanation: Given : Expression: \(3^{\frac{1}{3} } . 9^{\frac{1}{3} }\)

Solution : \(3^{\frac{1}{3} }\) × \(9^{\frac{1}{3} }\) =\(3^{\frac{1}{3} } +3^{\frac{2}{3} } = 3^{\frac{3}{3} } = 3\)

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The line through the points  (0, 0) and (8, 1) is  y = x/8   .

How do slope and an example work?

The slope-intercept form of an equation is used to represent each time the equation of a line is stated as y = mx + b.

                                  M represents the line's slope. B is the b in the location where the y-intercept is located (0, b). The slope and y-intercept of the equation y = 3x - 7 are, for instance, 3 and 0, respectively.

In the question ,

it is given that ,

we have to fin the equation of the line that passes through the points  (0, 0) and (8, 1) .

we know that the equation of the line in slope intercept form is written as

y = mx  c , where m is slope of line .

and m(slope) between the points (a,b) and (c,d) can be found using the formula ,

slope = (d - b)/(c -a)

Substituting the values in the formula ,

we get ,

slope = (1-0)/(8-0)

= 1/8

The equation of the line passing through the points (0,0) with slope as 1/6 is

0 = (1/8)(0) + c

c = 0 ,

we get , y = (1/8)x + 0

y = x/8

Therefore , the line is y = x/8

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7:55 pm - 4:55 pm = 3 hours

225 miles / 3 hours = 75 miles per hour

Average speed = 75 miles per hour

The Slope of 2 determines the steepness of the line, while the y-intercept of -3 determines its position on the y-axis.

The equation given is y = 2x - 3. This is a linear equation in slope-intercept form, which is written as y = mx + b, where m represents the slope of the line and b represents the y-intercept.

In the equation y = 2x - 3, the coefficient of x, which is 2, represents the slope of the line. This means that for every unit increase in x, the corresponding value of y will increase by 2 units. A positive slope indicates that the line is upward sloping.

The constant term, -3, represents the y-intercept, which is the point where the line intersects the y-axis. In this case, the y-intercept is -3, which means that the line crosses the y-axis at the point (0, -3). This point gives us the initial value of y when x is zero.

Using this equation, we can plot the line on a graph by identifying two or more points and connecting them. To find additional points, we can choose different values for x and substitute them into the equation to calculate the corresponding values of y.

For example, if we let x = 0, we can calculate the corresponding value of y:

y = 2(0) - 3

y = -3

So we have another point on the line, (0, -3). Now we can plot these two points, (0, -3) and (1, -1), and draw a straight line passing through them. This line represents the graph of the equation y = 2x - 3.

the equation is linear, meaning that the graph will be a straight line. The slope of 2 determines the steepness of the line, while the y-intercept of -3 determines its position on the y-axis.

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Note the full question may be :

Solve the equation y = 2x - 3.

Part A: Find the x-intercept of the equation and explain its meaning in the context of the problem.

Part B: Find the y-intercept of the equation and explain its meaning in the context of the problem.

Part C: Plot the graph of the equation y = 2x - 3 on a coordinate plane. Identify any other points on the graph that are not the x-intercept or y-intercept.

Answer:

Planet Punky has 100 Aliens

Step-by-step explanation:

Hope this helps =)

Answer:

100 aliens

Step-by-step explanation:

Answer:

I think D the function has a maximum value of -61

Step-by-step explanation:

Answer:

tears ...........

........

Answer:

83

Step-by-step explanation:

Supplementary angles add up to 180

x+y=180

x=180-y

x=180-97

x=83 degrees

Answer:

NO be cause 8 by itself would just repesent a number if 8(8) would be a valid responce

Step-by-step explanation:

pls mark brainliest

oh my god you are such a god level hut

Answer:

A.36°

Step-by-step explanation:

65°+79°+X=180°

144+X=180°

X=180°-144°

X=36°

The substitution that has been applied to B(x, y) is dt B(x, y) = √(1+t) (1+t)x+y tx-1.

The substitution that has been applied to B(x, y) is t = tan² 0

The substitution for x and y using the trigonometric identities is given by,

x = sin² 0 / cos² 0 = tan² 0   …(1)

y = sin² 0   …(2)

Differentiating both sides of equation (1) with respect to θ, we get

dx / dθ = 2tan 0 sec² 0

Putting the values of x and y in B(x, y), we get

B(x, y) = I 25 (sin 0)² (sin² 0 / cos² 0)-1 (cos 0)² (sin² 0)-1 dθ

= I 25 (sin 0)² / cos² 0 * cos² 0 / sin² 0 dθ

= I 25 tan² 0 dθ

= 25

∫ t dt √1+t

Now, we need to find the value of dt B(x, y) in terms of t.

To find dt B(x, y), we use the chain rule of differentiation and get

dt B(x, y) = ∂B/∂x dx/dt + ∂B/∂y dy/dt

= 25(2 sin 0 cos 0 sin² 0 / cos³ 0) * 2 sin 0 cos 0 sin 0 cos 0 dθ

= 100 (sin 0)³ (cos 0)³ / cos⁴ 0 dθ

= 100 (sin 0)³ / cos 0 dθ

Now, putting the values of x, y, and t, we get

dt B(x, y) = 100 sin³ 0 / cos 0 dθ

= 100 sin³ θ / cos θ dθ

Using the identity 1+t = sec² 0 or cos² 0 = 1 / (1+t), we can rewrite the above integral as

∫ 100 sin³ θ / cos θ dθ

= ∫ (1+t) (1+t)½ dt

Substituting the limits, we get

∫ 100 sin³ θ / cos θ dθ

= ∫ √(1+t) (1+t)x+y tx-1 dt

Answer: dt B(x, y) = √(1+t) (1+t)x+y tx-1.

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Answer:

2400

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

Answer:

<a=113, <b=67, <c=126, <d=54

Step-by-step explanation:

<a= 180-67=113 degrees. Why? Angles on a straight line add up to 180

<b=67 degrees Why? Because it is an alternate interior angle with 67degrees and alternate interior angles are equal

<d = 54 degrees Why? Because it is an alternate interior angle with 54 degrees and alternate interior angles are equal

<c=180-54=126 degrees Why? Because it is a co-interior angle with <d which is 54 degrees and co-interior angles add up to 180 degrees

Please mark me brailiest

Answer:

I think it is the first one i think

Step-by-step explanation:

The rate of change means that the designer hourly charge is $55 per hour

A linear equation is in the form:

y = mx + b

Where y, x are variables, m is the rate of change and b is the initial value of y.

Let y represent the total cost of hiring the designer after x hours.

From the table, using the point (0, 125) and (15, 950):

The rate of change means that the designer hourly charge is $55 per hour

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Answer:

Step-by-step explanation:

Find x

(180 - 36) : 2 =

72°

so angle 2x is 144°

sum of all interior angles = 720°

Find y

720 - 144 - 111 - 105 - 165 - 101 =

94°

Answer:

no solutions

Step-by-step explanation:

Answer:

i could be wrong but 15 hours (brainliest?)

Step-by-step explanation:

\(\frac{1}{5}\) x 3 miles = 15 hours

*if you draw it out, it will look easier to figure out*

The projection of the point (4,4) onto the line passing through (3,1) is the point on the line that is closest to (4,4). To find this projection, we need to first find the direction vector of the line, which is (3-1, 1-0) = (2,1).

Next, we need to find the vector from the point (3,1) to the point (4,4), which is (4-3, 4-1) = (1,3).

Then, we can use the formula for projecting a vector onto another vector:

proj_v u = ((u · v) / (v · v)) v

where u is the vector we want to project, v is the vector we want to project onto, and · denotes the dot product.

Applying this formula, we get:

proj_v u = ((1,3) · (2,1)) / ((2,1) · (2,1)) (2,1)

= (5/5) (2,1)

= (2,1)

So the projection of (4,4) onto the line passing through (3,1) is the point (3,1) + (2,1) = (5,2).

To find the projection of vector (4, 4) onto vector (3, 1), you can follow these steps:

Step 1: Calculate the dot product of the two vectors.
Dot product = (4 * 3) + (4 * 1) = 12 + 4 = 16

Step 2: Calculate the magnitude squared of the vector you are projecting onto (3, 1).
Magnitude squared = (3 * 3) + (1 * 1) = 9 + 1 = 10

Step 3: Divide the dot product by the magnitude squared.
Scalar = 16 / 10 = 1.6

Step 4: Multiply the scalar by the vector you are projecting onto (3, 1) to find the projection.
Projection = 1.6 * (3, 1) = (4.8, 1.6)

So, the projection of (4, 4) onto (3, 1) is (4.8, 1.6).

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