E
13
12
D 5
F
cos(F)
Check
sin(F) =
Check
tan(F) =

Answer:

4(2x + 6)

Step-by-step explanation:

2 times x is 2x

The sum of 2 times x and 6 is 2x + 6

And we do 4 times that, making sure to put 2x + 6 in parentheses; we're multiplying 4 times the entire sum.

4(2x + 6)

Answer:

3cm

Step-by-step explanation:

Perimeter is the boundary or outer line of a shape

Rectangle has 4 sides.

2 sides of top and bottom, being the same size

And 2 sides of left and right sides being the same size.

Perimeter of Rectangle = 9+5+9+5 = 28

Regular Pentagon has 5 equal sides.

So perimeter is: 5+5+5+5+5 = 25

Difference is biggest take away smallest

Therefore 28-25 = 3

Answer = 3cm

Answer:

A&C

Step-by-step explanation:

It would be A because it has 750 mL and C because it has 250mL and 750+250=1000

Also can you mark brainlyist you dont have to

Answer:

Choice A

Step-by-step explanation:

Answer:

Surface area of the cone = 1306.24 square centimeters

Step-by-step explanation:

Surface area of a cone is determined from the formula,

Surface area of cone = πr(r + l)

where 'r' = radius of the circular base of the cone

l = lateral height of the cone

And π = 3.14

Surface area of the cone with 'r' = 13 cm and 'l' = 19 cm

Surface area = 3.14(13)(13 + 19)

                     = 3.14(13)(32)

                     = 1306.24 square centimeters

Answer:

Step-by-step explanation:

P = 0.01x+100

Answer:

D

Step-by-step explanation:

graph it

The graph displays a positive linear trend, indicating a steady and consistent snowfall rate throughout the storm.

1. The given set of ordered pairs represents the amount of snow that fell during a snowstorm at different time intervals. These pairs are as follows: (1, 2), (3, 5), (6, 14), and (10, 20). To graph these points on the coordinate plane, we'll use the horizontal axis to represent the number of hours since the start of the storm and the vertical axis to represent the total amount of snowfall in inches.

2. Starting with the first ordered pair (1, 2), we locate the point (1, 2) on the coordinate plane. Moving on to the next pair (3, 5), we plot the point (3, 5). Continuing this process for the remaining pairs (6, 14) and (10, 20), we plot the points (6, 14) and (10, 20) respectively. After plotting all the points, we connect them with a line to visualize the snowfall data over time.

3. The resulting graph shows a gradual increase in the amount of snowfall over time. Initially, at 1 hour, there were 2 inches of snow. By the 3rd hour, the snowfall had increased to 5 inches. As time progressed, the snowfall continued to accumulate, reaching 14 inches by the 6th hour and 20 inches by the 10th hour. The graph displays a positive linear trend, indicating a steady and consistent snowfall rate throughout the storm.

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The sum of first five or twelve term in the A.P given the value 60.

The term AP refers a sequence of numbers in order, in which the difference between any two consecutive numbers is a constant value.

Here we have given that  A. P. 16,14,12,.

And we need to find the number of term to get the value of 60.

While we looking into the given question we have identified that the  common difference d of the A.P. is − 2

Here we also know that the terms of the A.P. are in descending order.

Now, we have to take n = 5  then then first 5 terms are 16,14,12,10,8.

Here we have identified that the sum is 60.

Similarly, here by taking n = 12 , then the last 7 terms ( 12 − 5 ) (12-5) are 6 , 4 , 2 , 0 , − 2 , − 4 , − 5 6,4,2,0,-2,-4,-5

Here we have identified that the sum of these seven terms is 0.

Therefore, sum of first 12 terms is also 60.

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Answer:

x=50

Step-by-step explanation

The two angles add up to 180, so 2x+4+76 = 180

2x+80=180

2x=100

x=50

Answer: B. 6

Step-by-step explanation:

I think 6 because it says seven liked football and 10 liked basketball, so 1 didn't pick.

We also know that 5 like both and 1 didn't pick, so 1 + 5 = 6 students

To determine Poisson's ratio, you need to measure strain along two different directions during testing.Poisson's ratio (ν) is a material property that describes the relationship between the lateral strain and the axial strain in a material when it is subjected to uniaxial stress.

Here's an explanation including the key terms:
Poisson's ratio (ν) is a material property that describes the relationship between the lateral strain and the axial strain in a material when it is subjected to uniaxial stress. In simpler terms, it tells you how much a material will deform in one direction when it is stretched or compressed in another direction.
To calculate Poisson's ratio, you need to measure strain along two different directions. The first direction is the axial direction, which is parallel to the applied force. This is known as axial strain (εa). The second direction is perpendicular to the axial direction, and this is called lateral strain (εl).
Poisson's ratio is calculated using the following formula:
ν = - (εl / εa)
To determine Poisson's ratio during testing, follow these steps:
Apply a uniaxial stress to the material, either through compression or tension.
Measure the axial strain (εa) along the direction of the applied force. This is typically done using a strain gauge or similar device.
Measure the lateral strain (εl) in a direction perpendicular to the applied force. This can also be done using a strain gauge.
Calculate Poisson's ratio (ν) by dividing the negative of the lateral strain (εl) by the axial strain (εa).
By measuring strain along these two directions and applying the formula, you can accurately determine the Poisson's ratio for the material being tested.

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A simple linear regression model is appropriate when the response variable is influenced by only one explanatory variable.

A simple linear regression model assumes a linear relationship between the response variable (y) and a single explanatory variable (x).

It is suitable when we want to understand how changes in the explanatory variable affect the response variable.

In the given options, the situation where the response variable y is influenced by one explanatory variable aligns with the requirements of a simple linear regression model.

This means that the relationship between y and x can be adequately described by a straight line.

The model aims to estimate the slope and intercept of this line, allowing us to make predictions and draw conclusions about the impact of the explanatory variable on the response variable.

If the response variable y is influenced by two or more explanatory variables, a multiple linear regression model would be more appropriate.

Multiple linear regression allows for the analysis of the combined effects of multiple predictors on the response variable, accounting for their individual contributions.

Similarly, if the explanatory variable x is influenced by two or more response variables, a different modeling technique, such as multivariate regression, would be more suitable.

Therefore, the situation where the response variable y is influenced by one explanatory variable is the scenario where a simple linear regression model is appropriate.

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Answer:

hola

Step-by-step explanation:

Answer:

\((x+1)^2=4\)

Step-by-step explanation:

Answer:

(x+1)^2 =4

x=-1±2

Step-by-step explanation:

I got it right on khan

The measure of the sum of the interior angle of the regular polygon is 1620 degrees.

All interior angles in a regular polygon are equal.

For a regular polygon, the sum of the interior angle is expressed as:

Sum of interior angles = ( n - 2 ) × 180°

Where n is the number of sides of the regular polygon.

From the diagram, the polygon has 11 sides.

Number of sides n = 11

Plug n = 11 into the above formula and solve for the sum of the interior angles:

Sum of interior angles = ( n - 2 ) × 180°

Sum of interior angles = ( 11 - 2 ) × 180°

Sum of interior angles = 9 × 180°

Sum of interior angles = 1620°

Therefore, the sum of the interior angles is 1620°

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Equation of a line:

9x - 7y = -63

To find the x-intercept we have to substitute y = 0 into the equation, as follows:

9x - 7*0 = -63

9x = -63

Dividing by 9 at both sides of the equation:

9x/9 = -63/9

x = -7

To find the y-intercept we have to substitute x = 0 into the equation, as follows:

9*0 - 7y = -63

-7y = -63

Dividing by -7 at both sides of the equation:

-7y/(-7) = -63/(-7)

y = 9

Answer

x-intercept: −7; y-intercept: 9

The given expression is a simplified algebraic equation: (1/2) * a^2 - 3b + 2c. It represents a combination of variables a, b, and c with their respective coefficients.

Utilizing symbols and operations, an algebraic equation illustrates the equivalence or inequivalence of two expressions. These generated expressions may hold variables that have varying values.

The premise centered around calculus is to arrive at a solution by acquiring the correct value(s) of these variable(s), ultimately fulfilling the outlined specification in the problem. Algebraic equations can range from uncomplicated linear problems to elaborate polynomials and trigonometric functions.

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Answer:

0

Step-by-step explanation:

This is because since the charge on the electron is negative while that on the proton is positive, also, the number of electrons equals the number of protons, this implies that the number of charges of electrons is equal and opposite to the number of charges of protons. This implies that their numbers are the inverse of each other. We know that the sum of a number and its inverse is zero, therefore, the electric charge on an atom with equal number of electrons and protons is thus zero.

So the integer that would represent this charge is zero, "0".

Answer:

x = -12.7

Step-by-step explanation:

\(8(x-27)+49=87+28x\\\\8x-167=87+28x\\\\8x-167+167=87+28x+167\\\\8x=28x+254\\\\8x-28x=28x-28x+254\\\\-20x=254\\\\\frac{-20x=254}{-20}\\\\ \boxed{x=-12.7}\)

Hope this helps.

Answer:

x=-127/10 or x= -12.7

Step-by-step explanation:

8(x−27)+49=87+28x

Step 1: Simplify both sides of the equation.

8(x−27)+49=87+28x

(8)(x)+(8)(−27)+49=87+28x(Distribute)

8x+−216+49=87+28x

(8x)+(−216+49)=28x+87(Combine Like Terms)

8x+−167=28x+87

8x−167=28x+87

Step 2: Subtract 28x from both sides.

8x−167−28x=28x+87−28x

−20x−167=87

Step 3: Add 167 to both sides.

−20x−167+167=87+167

−20x=254

Step 4: Divide both sides by -20.

−20x/−20

=

254/−20

x=

−127/10

Answer:

72

Step-by-step explanation:

you is correct good job

Answer:

B. Cerebellum

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

D because i perfect that

Using geometric progression we can say In 20 years, there will be about 123,722,400 people living in Algeland.

Each term in the sequence preceding it is multiplied by a fixed number called a common ratio to produce the next phrase in a series known as a geometric progression (GP).

One of the most frequent applications of geometric sequences in daily life is the calculation of interest. To find the term in a series, the initial value is multiplied by a rate raised to a power that is just below the term number.

According to the given information:

Geometric sequence/progression:

Where:

n = number of terms  ⇒ n = 20 years

a₁ = first term  ⇒ 14,365,112

r = 1 + 12%  for annual increase rate ⇒  1.12

a₂₀ = 14,365,112 (1.12)²⁰⁻¹

a₂₀ = 14,365,112 (1.12)¹⁹

a₂₀ = 14,365,112 (8.6127)

a₂₀ ≈ 123,722,400.1224  

a₂₀ ≈ 123,722,400

The population of Algeland 20 years from now will be approximately 123,722,400.

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Step-by-step explanation:

10x-40+15=-15

10x=-15-15+40

10x=10

x=1

Answer is 1

The expression that is equivalent to 27x² - 72x/9x is 3x - 8

The expression whose equivalence is to be determined is given as

27x^2-72x/9x

The above expression can be properly expressed as follows

27x² - 72x/9x

Introduce the use of brackets

So, we have

(27x² - 72x)/9x

Factor out x from the numerator

This gives

(27x² - 72x)/9x = x(27x - 72)/9x

Cancel out the common factor

(27x² - 72x)/9x = (27x - 72)/9

Factor out 9 from the numerator

This gives

(27x² - 72x)/9x = 9(3x - 8)/9

Cancel out the common factor

(27x² - 72x)/9x = 3x - 8

Hence, the equivalent expression is 3x - 8

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An airbag is a critical safety feature designed to save the driver and passengers from injuries during an accident. Its mechanism is based on a sensor that detects a sudden stop caused by a collision and initiates the deployment of the airbag.

The process of airbag deployment takes place in a fraction of a second. When a vehicle collides with an obstacle, the accelerometer sensor signals the airbag control unit, which then sends an electrical impulse to the inflator. The inflator, a compact device filled with chemicals, ignites a charge that creates a chemical reaction to produce nitrogen gas, which inflates the airbag with 200-300 milliseconds.

The airbag's primary function is to reduce the impact of a person's body against the vehicle's hard surfaces by providing a cushion that slows down the person's body's motion. Once the airbag is deployed, it rapidly deflates to allow room for the person's body.

The entire process of deployment and deflation takes less than 1 second.

An airbag is an effective safety device that reduces the likelihood of severe injuries or even death during a car accident. It is crucial to remember that an airbag can only reduce the impact of a crash but cannot prevent it.

Therefore, drivers and passengers should always wear seatbelts and take other safety precautions to prevent accidents from happening in the first place.

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Answer:

32 degrees

Step-by-step explanation:

180 - 116 = 64

64/2 = 32

Answer:

32°

Step-by-step explanation:

as it is an isosceles triangle from the sides mentioned above

so the other unknown angle is also x

interior angles of triangle sum up 180

so 116 + 2x = 180

2x = 180 -116

2x = 64

x = 32°