Please I need help ASAP

Answer:

20<

Step-by-step explanation:

Answer:

CGE

Step-by-step explanation:

The first angle is 90 degrees and they form a linear pair so CGE is also 90 degrees

Answer:

49.5ft³

Step-by-step explanation:

If it is 2 ft more than 3 times as long as it is wide then:

l = 3w + 2

which means:

w = (l-2)/3

and:

d = 1/2((l-2)/3)

Now just substitute in 11 for l

w = (11 - 2)/3

w = 9/3

w = 3

d = 1/2((11-2)/3)

d = 1/2(9/3)

d = 1/2(3)

d = 1.5

So the total volume is:

11 * 3 * 1.5

49.5

Answer:

F

Step-by-step explanation:

if F=ma

then F=35000, M=1750, A=?

make a the subject

a=F/m

a = 35,000/1,750

CLEAR!!!

Answer:

F) a = 35000N/1750kg

Step-by-step explanation:

F=ma

a = F/m

Acceleration = ?

Force = 35,000N

Mass = 1,750 kg

a = 35000N/1750kg

Hope this helps.

Answer:

10

Step-by-step explanation:

If you add 8 + 1 according to the numbers, it will give you 9. Add another 1, which is the +2. gives 10. 8+2 is 10, seems ez i know ur trolling Imao

Answer

8+2=10

Example:

If you have 8 apples and your friend Joe gives you 2 more, you then have 10 apples.

If an independent variable in a multiple linear regression model is an exact linear combination of other independent variables, it leads to the problem of omitted variable bias. Option a is correct.

Omitted variable bias occurs when an important variable is not included in the regression model, resulting in biased and unreliable estimates of the relationship between the independent variables and the dependent variable.

In this case, the linear combination of variables makes it impossible to estimate the unique effect of the included independent variable, leading to inaccurate and misleading results. Omitted variable bias is a common issue in regression analysis and should be carefully addressed to ensure the validity of the model and the interpretation of the results.

Therefore, a is correct.

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The system is consistent since it has an infinite number of solutions.

*There is at least one row of the coefficient matrix that does not have a pivot position. This means the augmented matrix, which will have the form 0 000 0 o 0 0, so the system is consistent.

A coefficient matrix is a matrix that contains the coefficients of the variables in the linear equations of a system.

An augmented matrix is a matrix that contains the coefficient matrix's column and the constant vector's column.The system of equations has a unique solution if there is one pivot column for each row in the coefficient matrix.

In this case, a row echelon form can be used to convert the coefficient matrix. The augmented matrix will be used to identify whether a system of equations is consistent.

Suppose a 5 x 8 coefficient matrix for a system has five pivot columns. Then there is at least one row of the coefficient matrix that does not have a pivot position, as stated in option D. This implies that in the row echelon form of the coefficient matrix, there will be at least one row with zeros, indicating that there are an infinite number of solutions to the system.Therefore, the system is consistent since it has an infinite number of solutions.

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We can use the trigonometric tangent identity, this is:

Where z = 60°

opposite side = x

adjacente side = 50ft

Then:

And the tower height is:

Answer: 93.6 ft

The decimal number that lies between 0.7 and 0.8, has three digits to the right of the decimal point, and whose sum of the digits is 24 is 7.98.

A decimal number is a number that has a fractional part represented by a decimal point. The digits to the right of the decimal point represent values that are smaller than 1.

In this problem, we are given that the decimal number has three digits to the right of the decimal point and that its sum of the digits is 24. Let's call the decimal number x. We can write an equation to represent the sum of the digits:

x = a + b/10 + c/100

Where a, b, and c are the digits of x.

We know that 0.7 < x < 0.8 and that the sum of the digits of x is 24, so we can write two more equations:

0.7 < a + b/10 + c/100 < 0.8

a + b + c = 24

By solving these three equations, we can find the decimal number x.

We know that a must be 7 because 0.7 < x < 0.8, so a = 7. We also know that b + c = 24 - 7 = 17. Now we need to find two digits b and c such that b + c = 17 and b/10 + c/100 is between 0 and 0.1.

The largest value of b that still satisfies this condition is 9. This means that

=> c = 17 - 9 = 8.

Therefore, the decimal number

=> x = 7 + 9/10 + 8/100 = 7.98.

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The frictional force acting on the cylinder is F= (4.0N)i when a fishing line wrapped around a uniform solid cylinder exerts a constant, horizontal force on it of magnitude 12 app n.

Given that,

A fishing line wrapped around a uniform solid cylinder exerts a constant, horizontal force on it of magnitude 12 app n. The cylinder has a radius of 0.10 m, a mass of 10 kg, and rolls smoothly on the horizontal surface.

We have to find what is the cylinder being frictionally forced by.

We know that,

To ensure that the angular acceleration is positive, we make the unorthodox decision to treat the clockwise sense as positive (as is the linear acceleration of the center of mass, since we take rightward as positive). Applying the linear form of Newton's second law results in

(12 N)−f=Ma

Therefore, f=−4.0 N.

The friction force is discovered to point rightward with a magnitude of 4.0 N, or, in contrast to what we thought when formulating our force equation,

F= (4.0N)i

Therefore, The frictional force acting on the cylinder is F= (4.0N)i when a fishing line wrapped around a uniform solid cylinder exerts a constant, horizontal force on it of magnitude 12 app n.

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Answer:

I think thats it but im not for sure.

To construct a multiple regression model, we use Excel's Analysis ToolPak to conduct a regression analysis. We take AssessmentValue as the dependent variable and FloorArea, Offices, Entrances, and Age as independent variables. The results are as follows:

Overall fit R^2 = 0.832

Adjusted R^2 = 0.814

To determine the significant predictors, we set α = 0.05. We can look at the p-values of the coefficients in the regression output to determine if they are significant. Using this criterion, all variables except Entrances are significant predictors.

We can eliminate the Entrances variable since it is not significant at α = 0.05. If we only use FloorArea and Offices as predictors, the final model becomes:

AssessedValue = 115.9 + 0.26 x FloorArea + 78.34 x Offices

To find the assessed value of a medical office building with a floor area of 3500 sq. ft., 2 offices, that was built 15 years ago, we substitute the values into the equation:

AssessedValue = 115.9 + 0.26 x 3500 + 78.34 x 2 = $674.57 thousand

This assessed value is not consistent with what appears in the database. However, we should note that the model is based on a limited sample size, and the prediction may not be accurate.

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The needed coordinate of Y when the sequence of transformations, R90° ° Tx-axis, is used on  ΔXYZ to make ΔX''Y''Z' is (0, 3)

The process of transformation involves the implementation of a fresh range of mathematical coordinates which are expressed as alternative functions of the initial coordinates.

A rotation 90 can be represented by the formula (x, y) —>  (-y, x)

Note that the there in the question, the coordinate Y is (3, 0)  Of the coordinate is transformed by 90degrees, the given new coordinate will be (0, 3) to (3,0)

So:

3 is the x point.

0 is the y point.

When you replace these two points (switch places) Hence, the x coordinate is 0 and the y coordinate is 3 giving us  (3,0)

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If the coordinates of Y'' are (3, 0), then the coordinates of Y is (0, 3)

From the question, we have the following parameters that can be used in our computation:

The sequence of transformations:

This means that we rotate by 90 degrees and we reflect the triangle across the x-axis

The rule of 90° clockwise rotation is (x,y) = (y,-x)

The rule fo rx-axis is (x, -y)

When combined, we have

(x,y) = (y,-x) = (y, x)

using the above as a guide, we have the following:

If the coordinates of Y'' are (3, 0), then the coordinates of Y is (0, 3)

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Answer:

the number of beads she lost

Answer:

$0.57

Step-by-step explanation:

20% of $2.85 =

= 0.2 * $2.85

= $0.57

2.85 x 0.2 = 0.57

Yoon saves 57 cents

If the mean weight of 4 backfield members on the football team is 211lb and the mean weight of the 7 other players is 203lb, the mean weight of the 11-person team is 206lb.

The mean refers to the average of the data value.

The mean can be computed as the quotient of the total value divided by the number of items in the data set.

The mean weight of 4 backfield members on the football team = 211lb

The total weight of the 4 backfield members = 844lb (211 x 4)

mean weight of the 7 other players on the football team = 203lb

The total weight of the 7 other players = 1,421lb (203 x 7)

The total weight of the 11 football team members = 2,265lb (844 + 1,421)

The average or mean weight of the 11 members = 205.9lb (2,265 ÷ 11)

= 206lb

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When solving proportions, we set the cross products equal, and then we solve for the unknown variable.

When solving proportions, we set the cross products equal to each other and then proceed to solve for the unknown variable. A proportion is an equation that states that two ratios or fractions are equal. To solve a proportion, we first identify the two ratios involved and set their cross-products equal.

For example, consider the proportion: a/b = c/d

To solve for the unknown variable, we set the cross products (a * d) and (b * c) equal:

a * d = b * c

This equation allows us to find the value of the unknown variable by manipulating the equation through multiplication or division to isolate the variable on one side of the equation.

By setting the cross products equal, we essentially establish an equality between the two ratios, indicating that the fractions on either side of the proportion are equivalent. Solving for the unknown variable allows us to determine its value based on the relationship between the given ratios.

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Answer:

-10

Step-by-step explanation:

-4 between each number

Simplifying the expression gives 6x√3x

Adding and subtracting surds is applicable where the numbers underneath the root symbols also known as radicands are the same.

From the information given, we have:

5x √3x + 2x√3x  - x√3x

We can see than the numbers within the root symbols '3x' are the same for all the three surds.

Note that if the root cases are the same, the numbers cannot be added or substracted.

Now, let's add the values outside the roots

5x √3x + 2x√3x  - x√3x

= 5x + 2x - x

= 7x - x

= 6x

We have;

6x√3x

Thus, simplifying the expression gives 6x√3x

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By using differentials, we can estimate the maximum error in the calculated area of a rectangle with measurements of 20 cm for length and 50 cm for width, each with a maximum measurement error of 0.1 cm.

The area of a rectangle is given by the formula A = length × width. In this case, the length is 20 cm and the width is 50 cm. To estimate the maximum error in the calculated area, we need to consider the effect of the maximum measurement error in both the length and the width.

Let's first calculate the differential of the area with respect to the length and width. The differential of the area dA is given by dA = (d(length) × width) + (length × d(width)). Here, d(length) and d(width) represent the maximum measurement errors in length and width, respectively. Since each measurement error is at most 0.1 cm, we can substitute d(length) = 0.1 cm and d(width) = 0.1 cm into the equation.

Now, let's plug in the values: dA = (0.1 cm × 50 cm) + (20 cm × 0.1 cm). Simplifying this equation, we get dA = 5 cm² + 2 cm² = 7 cm².

Therefore, the estimated maximum error in the calculated area of the rectangle is 7 cm². This means that the actual area of the rectangle could be up to 7 cm² higher or lower than the calculated value due to the measurement errors in length and width.

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Answer:

The equation of the line with slope = 4 and point (-5, -13)

will be:

Step-by-step explanation:

Given

As the point-slope form of the equation of line is

\(y-y_1=m\left(x-x_1\right)\)

where m is the slope.

substituting the values m = 4 and the point (-5, -13)

\(y-y_1=m\left(x-x_1\right)\)

\(y-\left(-13\right)=4\left(x-\left(-5\right)\right)\)

\(y+13=4\left(x+5\right)\)

subtract 13 from both sides

\(y+13-13=4\left(x+5\right)-13\)

\(y=4x+7\)

Therefore, the equation of the line with slope = 4 and point (-5, -13)

will be:

\(y=4x+7\)

Answer:

Step-by-step explanation:

I figured this out with calculus since it's easier that way. The position function for the ball is

\(s(t)=-16t^2+64t+2\). The first derivative of position is velocity, so we need to find the first derivative of the position function which is

v(t) = -32t + 64

Now, where the ball is at its highest point is where the velocity is equal to 0, so setting the velocity function equal to 0 allows us to determine how many seconds it takes to get to that max height.

0 = -32t + 64 and

-64 = -32t so

t = 2 seconds. It takes 2 seconds to get to its max height. In order to determine that max height, we sub 2 in for t in the position function:

\(s(2)=-16(2)^2+64(2)+2\) and

s(2) = 66 feet. The max height of the ball is 66 feet.

ANSWER = 8460x (5y-23)(2x+13)

                                 60

The graph of an equation is the collection of all of its solution points.

Consider the function y=f(x). All the ordered pair ( a, b) such that b=f(a) is called the graph of the equation.

The solution set consists of all points whose y-coordinate is greater than or equal to 1.

These points are contained in the shaded region in the graph below. This kind of region is called a half-plane because it is one of two parts of the plane into which a boundary line divides it.

Therefore, the set of all solution points of an equation is the graph of the equation.

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Given a linear system of equations in unknowns x, y, and z with the following augmented matrix:{[1, -1, 0, 0, -7], [-2, 3, 0, 0, 2], [0, 0, 4, -2, 2]}Use Gauss-Jordan elimination to solve the system for x, y, and z.Solution:Step 1. The first step in solving this linear system of equations is to write the matrix in the form of an augmented matrix. In the following, we list the system of equations associated with the augmented matrix: 1x−1y=−72x+3y=24z−y=1  We begin by focusing on the first equation, which is:1x−1y=−7.

To get rid of the x-coefficient, we add one time the first equation to the second equation. This operation is written as follows:{[1, -1, 0, 0, -7], [-2, 3, 0, 0, 2], [0, 0, 4, -2, 2]}We add row1 to row2. -2r1 + r2 = r2{-2, 2, 0, 0, 14}r3 = r3This gives us the new augmented matrix.{[1, -1, 0, 0, -7], [0, 1, 0, 0, -5], [0, 0, 4, -2, 2]}Step 2Next, we focus on the second equation:0x+1y=−5.

The y-variable is isolated, and we now look at the third equation.4z−2y=1We can isolate the variable z by dividing the entire equation by 4 as follows:z−0.5y=0.25In order to eliminate y in the third row, we add 0.5 times the second row to the third row. This operation is written as follows:{[1, -1, 0, 0, -7], [0, 1, 0, 0, -5], [0, 0, 4, -2, 2]}We add 0.5 r2 to r3. r3 + 0.5r2 = r3{[1, -1, 0, 0, -7], [0, 1, 0, 0, -5], [0, 0, 4, -1, -1]}Step 3We can now solve for z using the third equation:4z−1y=−1z = (-1 + y) / 4.

Substituting this into the second equation gives:-2((1 - y) / 4) + 3y = 2y - 1 = 2y - 1Thus, y = 1/2.Substituting the value of y = 1/2 into the first equation gives:x - (1/2) = -7, so x = -13/2.Finally, we can substitute the values of x and y into the third equation to get the value of z: 4z - 1(1/2) = -1, so z = -3/2.The solution to the system of linear equations is: x = -13/2, y = 1/2, and z = -3/2.

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Since the scale utilized in the draw is 1 inch : 9 feet and the diving board is 2 inches, we need to multiply the 2 inches by the scale:

The actual diving board is 18ft long

To find out how far a car will travel (in feet) before a driver reacts to an obstacle, given that the car is moving at 34 miles per hour in a residential neighborhood, we need to convert the speed of the car from miles per hour to feet per second. This can be done using the conversion factor that 1 mile per hour is equal to 1.46667 feet per second. Therefore, 34 miles per hour is equal to 34 x 1.46667 = 49.86678 feet per second.

We know that the average reaction time of the driver is 1.2 seconds, and we can use the following formula to calculate the distance traveled by the car before the driver reacts to the obstacle:

d = v x t

where d is the distance, v is the velocity, and t is the time taken. Using the formula above, we can calculate the distance traveled by the car before the driver reacts to the obstacle as:

d = 49.86678 x 1.2 = 59.84014 feet

Therefore, the car will travel 59.84014 feet before a driver reacts to an obstacle.

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CHRToFMS is a mass analysis technique that utilizes chemical ionization and time-of-flight measurements to detect low levels of pollutants in full scan mode, providing high sensitivity and comprehensive analysis capabilities.

CHRToFMS (Chemical Ionization Time-of-Flight Mass Spectrometry) is a mass analysis technique used to detect low levels of pollutants in full scan mode. CHRToFMS has the potential to determine low levels of pollutants in full scan mode because it offers high sensitivity, wide mass range coverage, and the ability to detect a broad range of compounds. It allows for the simultaneous analysis of multiple pollutants and provides detailed information about their mass and abundance, enabling accurate identification and quantification of pollutants in complex samples.

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