36
Solve for x.
48
24

will give brainliest!!

The distance of CD is 5.93.

Circle is a two dimensional figure which consist of set of all the points which are at equal distance from a point which is fixed called the center of the circle.

Given a circle.

Radius of circle = 11.5

AB = AD = 11.5

Since the tangent line is perpendicular to the radius of the circle at the point of tangency, ABC is a right angled triangle.

AC² = AB² + BC²

       = 11.5² + 13.1²

       = 303.86

AC = 17.432

CD = AC - AD

     = 17.432 - 11.5

     = 5.93

Hence the distance of CD is 5.93.

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The variance of the four employees' salaries is 5.1, meaning that the difference in their salaries is 5.1 thousand dollars.

Step 1: Find the mean of the four salaries

33 + 31 + 24 + 36 = 124

124 ÷ 4 = 31

Mean = 31

Step 2: Find the difference between each salary and the mean

33 - 31 = 2

31 - 31 = 0

24 - 31 = -7

36 - 31 = 5

Step 3: Square each of the differences

2² = 4

0² = 0

(-7)² = 49

5² = 25

Step 4: Add up the squared differences

4 + 0 + 49 + 25 = 78

Step 5: Divide the sum by the number of salaries (minus 1)

78 ÷ (4 - 1) = 78 ÷ 3 = 26

Step 6: Take the square root of the variance

√26 = 5.1

Variance = 5.1

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According to the empirical rule -

a) About 95% of organs will be in range of weights of organs 230 grams and 430 grams.

b) 68% percentage of organs weighs between 280 grams and 380 grams.

c) 32% percentage of organs weighs less than 280 grams or more than 380 grams.

d) 97.35% percentage of organs weighs between 180 grams and 430 grams.

What is empirical rule?

The empirical rule 68-95-99.7 tells us that:

68% of the data is expected to be within 1 standard deviation from the mean.

95% of the data is expected to be within 2 standard deviation from the mean.

99.7% of the data is expected to be within 3 standard deviation from the mean.

There is a bell shaped distribution ( assume as approximately normal) with mean of 330 g and standard deviation of 50 g.

a) This happens for an interval with ±2 standard deviations from the mean.

That is:

X1 = μ + z1 × σ                  X2 = μ + z2 × σ

X1 = 330 - 2 × 50             X2 = 330 + 2 × 50

X1 = 330 - 100                  X2 = 330 + 100

X1 = 230                           X2 = 430

Therefore, the range of weights of organs is 230 grams and 430 grams.

b) Calculate the z-scores for each value to know how many standard deviations are from the mean.

z1 = (x1 - μ)/σ                   z2 = (x2 - μ)/σ

z1 = (280 - 330)/50        z2 = (380 - 330)/50

z1 = -50/50                     z2 = 50/50

z1 = -1                              z2 = 1  

The values are 1 standard deviations from the mean each.

Therefore, the expected percentage is 68%.

c) This is the complementary of the point b.

Then, it is expected that (100 - 68)% = 32% of the organs weigh less than 280 grams or more than 380 grams.

d) Calculate the z-scores for each value to know how many standard deviations are from the mean.

z1 = (x1 - μ)/σ                   z2 = (x2 - μ)/σ

z1 = (180 - 330)/50        z2 = (430 - 330)/50

z1 = -150/50                     z2 = 100/50

z1 = -3                              z2 = 2  

The values are 1 standard deviations from the mean each.

Therefore, the expected percentage is 68%.

The values are 3 standard deviations from the mean each. Between 180 and 330 there is 99.7%/2 = 49.85% of the data.

The values are 2 standard deviations from the mean each. Between 330 and 430 there is 95%/2 = 47.5% of the data.

Then, between 180 grams and 430 grams there is (49.85% + 47.5)% = 97.35% of the data.

Therefore, the expected percentage is 97.35%.

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The total area of the shaded sections of the trapezoid in square inches is 32.76 square inches.

An object's area is how much space it takes up in two dimensions. It is the measurement of the quantity of unit squares that completely fill the entire surface of an enclosed figure. The square unit, which is frequently expressed as square inches, square feet, etc., is the accepted unit of area.

The shaded sections in the trapezoid are triangles.

The area of the triangle is given by the following formula:

A = 1/2 (b)(h)

For the first triangle, b = 5 and h = 6.3. Substituting the value in the formula we have:

A1 = 1/2 (5)(6.3)

A1 = 15.75

For the second triangle, b = 5.4 and h = 6.3. Substituting the value in the formula we have:

A2 = 1/2 (5.4)(6.3)

A2 = 17.01

The total area of the shaded region of the trapezoid is calculated by adding the area of the individual shaded portion:

A = A1 + A2

A = 15.75 + 17.01

A = 32.76

Hence, the total area of the shaded sections of the trapezoid in square inches is 32.76 square inches.

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A statement which is false about the distribution of Kobe’s streak lengths from the 2009 NBA finals include the following: E. The shortest streak is of length 1.

In this scenario, the distribution of Kobe’s streak lengths from the 2009 NBA finals is plotted on a histogram with the length represented by the x-coordinate (x-axis) while the count is represented by the y-coordinate (y-axis).

By critically observing the histogram, we can reasonably infer and logically deduce the following true statements:

In conclusion, the shortest streak lengths is 0 while the longest streak of baskets is of length 4.

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Complete Question:

Which of the following is false about the distribution of Kobe’s streak lengths from the 2009 NBA finals.

A. The distribution of Kobe’s streaks is unimodal and right skewed.

B. The typical length of a streak is 0 since the median of the distribution is at 0.

C. The IQR of the distribution is 1.

D. The longest streak of baskets is of length 4.

E. The shortest streak is of length 1

The opportunity cost of scoring a 84 on the economics exam rather than a 76 is 15 points on the History exam.

Opportunity Cost is what a person sacrifices when they choose one option over another. It is calculating by subtracting the return of the best forgone option with the return of the chosen option. The outcome could be beneficial or prejudicial, depending on the case.

In the example (refer to the attached table), if the student chooses to score 94 in the economics exam then the student will get 76 in the History test. Thus, The opportunity cost of getting 94 instead of 77 in the Economics test, implies getting 76 instead of 91 in the History exam. It implies:

Opportunity cost of the History exam = 91-76

Opportunity cost of the History exam = 15

Therefore the opportunity cost of scoring 94 on the Economics exam rather than a 77 is 15 points on the History test.

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Answer:

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

Explanation for problem 1

The center of dilation is point P, which is not located on line AB. This means line A'B' will move further away from P after applying the scale factor. It means segments AB and A'B' are not on the same line.

Side note: Side BC is through line P, so segment B'C' shares the same line with BC.

---------------------------

Explanation for problem 2

The scale factor enlarges the side lengths. In this case, the scale factor 2 will double each side. This in turn doubles the perimeter.

perimeter of A'B'C' = 2*(perimeter of ABC)

new perimeter = 2*(old perimeter)

Therefore, the perimeters are not the same.

The length of the apothem of a regular hexagon is 4√3

The apothem of a regular hexagon is the distance from the center of the hexagon to the midpoint of one of its sides.

To find the length of the apothem, we can use the formula:

apothem = (side length) / (2 * tan(180/n))

where n is the number of sides of the polygon.

In this case, n = 6 (since the hexagon is regular).

So, to find the apothem of a regular hexagon with a side length of 8 ft, we can plug these values into the formula:

apothem = (8 ft) / (2 * tan(180/6))

This gives

apothem = 8 ft / (2 * tan(30))

Evaluate

apothem = 4√3 ft

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The argument, filled-in with the student ID 12345678, is sound because the two premises are true and the conclusion follows logically from them.  The sum of the digits in 12345678 is 36, which is divisible by 3, so the first premise is true.

My student ID is 12345678.

The argument, filled-in with my student ID, is sound. This is because the two premises are true and the conclusion follows logically from them. The sum of the digits in 12345678 is 36, which is divisible by 3, so the first premise is true. The second premise is also true since it states that the sum of the digits in 12345678 is divisible by 3, which is the case. Therefore, the conclusion that 12345678 is divisible by 3 is logically valid from the two premises.

Student ID: 12345678

The argument, filled-in with the student ID 12345678, is sound because the two premises are true and the conclusion follows logically from them.

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Answer:

A within-subject variable is a type of variable in which the same subjects are used to measure multiple levels or conditions of the variable. One example of a within-subject variable would be measuring a person's reaction time to a stimulus both before and after a training intervention.

For example: measuring a person's reaction time to a visual stimulus before and after a training program in which the participant learns to react faster to the stimulus, here reaction time is the within-subject variable.

The slopes of the two lines that form them must be equal (m1 = m2). This implies that the two lines are parallel.

1) Biconditional statement: If two lines are parallel, then the alternate interior angles formed by a transversal are equal.

Formula: m∠1 = m∠3 and m∠2 = m∠4

Calculation: If two lines are parallel with a transversal intersecting them, the slopes of the two lines must be equal (m1 = m2) and the alternate interior angles formed by the transversal must have the same measure (m∠1 = m∠3 and m∠2 = m∠4).

2) Biconditional statement: If two lines are parallel, then the corresponding angles formed by a transversal are equal.

Formula: m∠1 = m∠4 and m∠2 = m∠3

Calculation: If two lines are parallel with a transversal intersecting them, the slopes of the two lines must be equal (m1 = m2) and the corresponding angles formed by the transversal must have the same measure (m∠1 = m∠4 and m∠2 = m∠3).

3) Biconditional statement: If two angles are equal, then the lines that form them are parallel.

Formula: m1 = m2

Calculation: If two angles have the same measure, then the slopes of the two lines that form them must be equal (m1 = m2). This implies that the two lines are parallel.

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Answer:4.8×105 g  

Step-by-step explanation:

Answer:

2 is the scale of dilation

Equation of a plane perpendicular to a given line with direction ratios <a, b, c> and passing through a point (x1, y1, z1) is given by: a(x - x1) + b(y - y1) + c(z - z1) = 0.

The slope of the line we're looking for is 1/2 since perpendicular lines have opposite-reciprocal slopes. When we enter the supplied point into the equation y = 1/2x + b and solve for b, we obtain b = 6. The line's equation is therefore y = 12x + 6.

Rearranged, it is -x/2 + y = 6. a plane that is outlined by vectors that are perpendicular to a normal. As a result, when given a vector with the coordinates a, b, and c, we can infer that all planes perpendicular to this vector have the form ax+by+cz=d, and any surface with this form is a plane perpendicular to a, b, and c.

Get a direction vector to the two points first, then get the supplied normal from the plane's equation. The normal is then produced by adding the direction vector to the normal.

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The equation will be 5x + 7x = 180. Then the value of the variable 'x' will be 15.

The inclination is the separation seen between planes or vectors that meet. Degrees are another way to indicate the slope. For a full rotation, the angle is 360°.

Supplementary angle - Two angles are said to be supplementary angles if their sum is 180 degrees.

∠TSR = 5x and ∠UVW = 7x

Angle ∠TSR and angle ∠UVW are the supplementary angles. Then the equation is given as,

5x + 7x = 180

12x = 180

x = 180 / 12

x = 15

The equation will be 5x + 7x = 180. Then the value of the variable 'x' will be 15.

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Answer: The inequalities are y ≥ (2/3)x + 1 and y < (-1/4)x + 2 and (−6, −3) satisfied the inequality.

What exactly is inequality?

A variation between two values indicates whether one is smaller, larger, or otherwise unrelated to the other.

In other words, inequality is the inverse of equality. For example, if 2 = 2, it is equal; however, if I say 3 = 6, it is incorrect; the correct expression is 3 6.

Step-by-step explanation:As per the given phrase,

y is greater than or equal to two-thirds times x plus 1 ⇒ y ≥ (2/3)x + 1

y is less than negative one-fourth times x plus 2 ⇒ y < (-1/4)x + 2

Substitute, point (−6, −3)

-3 ≥ (2/3)(-6) + 1

-3 ≥ -3  

Substitute in second inequality,

-3 < (-1/4)(-6) + 2

-3 < 7/2

The base distance will be 10.9 feet .

In mathematics, the Pythagorean theorem or Pythagoras' theorem is a fundamental relation in Euclidean geometry between the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides.

The Pythagorean theorem states that, in a right triangle, the length of the hypotenuse squared equals the sum of the squares of the other two sides or legs of the triangle.  Algebraically, a2+b2=c2.  In your example, the length of the ladder would be the hypotenuse and the distance from the wall would be one of the legs.  So substitute these values into the equation to get: 25+b2=144 or 25+b2=144 and then subtract 25 from both sides to get b2=119.  Therefore b=√119≈10.908.  If your problem requires an exact answer in its most simplified form, please note that √119=10.9

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The required solution is above with the help of matrix generation.

Now, According to the question:

A statement is a declarative sentence that is either true or false but not both. A statement is sometimes called a proposition. The key is that there must be no ambiguity. To be a statement, a sentence must be true or false, and it cannot be both.

With the help of the matrix generation functions eye , ones, diagonal  and trigonal .

Command to generate matrix such as M,N,P,Q

M=6*eye(3)

N= triu (5*ones(3))

P=7*ones (3,2)

Q=diag ([2   3   4])

Therefore, the required solution is above with the help of matrix generation.

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The given question is incomplete, complete question is:

Create matrices with eye, ones, diag and triu Create the following matrices with the help of the matrix generation functions eye , ones, diag and triu. See the on-line help on these functions if required (i.e. help eye)M =[6 0 00 6 00 0 6]N =[5 5 50 5 50 0 5 ]P =[7 77 77 7]Q =[2 0 00 3 00 0 4]

Answer:

x-3 =0 or x-8 =0

x= +3 or x = +8

The correct person regarding the classification of quadrilaterals is given as follows:

B. Jamie.

The slopes of each segment are given as follows:

-3 and 1/3.

The multiplication of these slopes is given as follows:

-3 x 1/3 = -1.

As the multiplication of the slopes is of -1, the adjacent sides meet at an angle of 90º, meaning that they are perpendicular, and hence the quadrilateral is classified as a square.

This means that Jamie is correct.

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Answer:

45

Step-by-step explanation:

100-25-30=45

The probability of a claim of at least $4000 is 0.35, option(d), the expected value of C is $2770 option (c), and the best interpretation is If the company insures a large number of these cars, they can expect the cost per car to average approximately Exp(C), option(d).

Given probability distribution

C       $0       $1000      $4000       $10000

P(C)   0.60       0.05        0.13             0.22

The probability that the insurance company will have to pay a claim of at least $4000 for a randomly selected car is

= (1-0.60-0.05) = 0.35

so the expected value of C

= 0x0.60 + 1000x0.05 + 4000x0.13 + 10000x0.22

= 50+520+2200 = $2770

Now, the best interpretation of expected value:

If the company insures a large number of these cars, they can expect the cost per car to average approximately Exp(C).

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The resulting answer is 39000 N/mm, this equation can be used to convert a given measurement from N/cm to N/mm.

39000/1 = ? N/mm

Multiply 39 by 1000 to convert centimeters to millimeters.

39000/1 = ? N/mm

Divide the measurement 39000 N/cm by 1 to convert it to N/mm.

The answer is 39000 N/mm.

To convert a measurement from N/cm to N/mm, the equation that needs to be set up is 39000/1 = ? N/mm. This equation can be broken down into two steps. First, the measurement needs to be multiplied by 1000 to convert centimeters to millimeters. Then, 39000/1 needs to be divided to convert the measurement from N/cm to N/mm. The resulting answer is 39000 N/mm. Therefore, this equation can be used to convert a given measurement from N/cm to N/mm.

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The expression on being divide by x-1 gives -5 as remainder and quotient (x²-x+2)

Polynomial is made up of two terms, namely Poly (meaning “many”) and Nominal (meaning “terms.”). A polynomial is an expression composed of variables, constants, and exponents, combined using mathematical operations such as addition, subtraction, multiplication, and division (No division operation by a variable). Based on the number of terms present in the expression, it is classified as monomial, binomial, and trinomial. For example P(x) = x²-5x+11

Given here: The expression as x³-2x²+3x-7 which is to be divide by x-1

Thus dividing using the long divsion method we get

x-1)x³-2x²+3x-7(x²-x+2

     x³-x²

-________

   0-x²+3x

     x²+x

-________

          2x-7

          2x-2

-__________

             -5

Thus The expression can be written as  x³-2x²+3x-7 =(x-1)×(x²-x+2)-5

Hence, On dividing the given expression by x-1 by long divison method we get the remainder as 2.

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Commence at the beginning. The x-coordinate is Negative 3 and 12 units, thus move 3 and 12 units to the right. The difference between 3 and 4 is negative three-half.

A point's exact location on a two-dimensional plane is determined by a pair of numbers called its coordinates. The x and y axes, which are two axes that are at right angles to one another, are known as the coordinate plane's axes. How far along each axis a specific point is located is indicated by its coordinates.

Ordered pairs are a way of describing locations on the coordinate plane. A point's location is revealed by an ordered pair by linking the point's positions along the x-axis (the ordered pair's first value) and the y-axis (the second value of the ordered pair).

To locate points, one uses the numbers on a coordinate grid. Using an ordered pair of numbers, each point may be located.

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If in a certain large population of adults. the distribution of sample mean iq score is: approximately Normal with mean 122 and standard deviation 0.35.

Given data:

Mean = 122

Standard deviation = 5

Sample size = 200

Now let find the the standard deviation of the sampling distribution of the mean sample using this formula

Distribution of sample mean = Standard deviation/√Sample size

Let plug in the formula

Distribution of sample mean = 5 /√ 200

Distribution of sample mean = 5/14.14

Distribution of sample mean = 0.35

Therefore the distribution of sample mean iq score is: approximately Normal with mean 122 and standard deviation 0.35.

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The copayment amount, given that it is 20 % of the amount is $ 840

The benefit amount is  $ 3, 360

A copayment for health insurance is a defined dollar amount that is determined by the insurance plan and used to divide the cost of covered treatments between the plan and the consumer.

The copayment amount is 20 % of the cost which is $ 4, 200 so the copayment is:

= 20 % x 4, 200

= $ 840

This then means that the benefit amount would be;

= Cost - copayment

= 4, 200 - 840

= $ 3, 360

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In other words, 3/4 fraction of the bill are for vegetables, while 1 part is for fruit.

Using the data provided in the issue, we can determine what percentage of Marco's bill is made up of veggies. We are aware that fruit and vegetables account for 7/12 of the total bill and make up 1/8 of the total. By deducting the portion of the bill that is for fruit from the portion that is for fruit and vegetables, we can determine the portion of the cost that is for vegetables.

We must identify a common denominator for the two fractions in order to accomplish this. Since 12 and 8 have a denominator of 24, we convert both fractions to have a denominator of 24.

1/8 turns becomes 3/24

7/12 changes to 21/24.

We deduct 3/24 from 21/24 in order to derive the percentage of fruit from the percentage of fruit and vegetables.

21/24 - 3/24 = 18/24

Vegetables make up 18/24, or 3/4, of Marco's bill.

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I watch a total of 11 hours of TV on Fridays and Ellen watches TV for ten hours every day. 

Let's plot how long Manuel watches TV each day, with M, Harry as H, and Ellen as E.

Manuel knows that from Monday to Friday he watches TV for M hours, so the total amount of time he watches TV in his week is 5 * M = 5M.

On Friday and Saturday he watches TV for H hours a day, so the total amount of time he watches TV in a week is H*2 = 2H.

Ellen watches her E hours TV from Friday to Sunday, so the total amount of time she watches TV in a week is her E*3=3E.

In total, they watch her TV 37 hours a week.

5M + 2H + 3E = 37

I watch a total of 11 hours of TV on Fridays.

M + H + E = 11

We also know that the amount of time Ellen spends watching TV on a given day is twice as much as she does on a given day as Manuel spends watching TV.

E=2M

You can substitute the value of E for M into the second expression.

M+H+2M=11

Combining equal terms gives:

3M+H=11

Now that we have two equations, we can solve the unknowns M and H. Substitute the 3M formula for H from the second formula into the first.

5M + 2H + 3(3M + H) = 37

Expanding the right-hand side, we get:

5M + 2H + 9M + 3H = 37

Combining equal terms gives:

14M + 5H = 37

Now that we have equation 14M + 5H = 37, we can solve for H.

H = (37 - 14 eyes) / 5

Then you can substitute the formula for H with respect to M into the formula for H.

H = (37 - 14 eyes) / 5

Finally, we can solve for M using the value of H.

M = (37 - 5H) / 14

We know that H = (37 - 14M) / 5, so we can substitute this formula into the formula for M.

M = (37 - 5((37 - 14M) / 5)) / 14

Expanding and simplifying the right-hand side, we get:

M = (37 - 37 + 70M) / 14

Solving for M gives:

M=5

So Manuel watches TV for 5 hours every day and Harry watches TV for (37 - 5 * 5) / 5 = 2 hours every day.

Finally, we can use the equation E = 2M to find out how many hours Ellen watches TV each day.

E = 2 * 5 = 10

So Ellen watches TV for ten hours every day. 

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Yes, every vector in R^4 can be written as a linear combination of the columns of the matrix B.

This can be proven using the definition of linear combinations, which is as follows: a vector v in R^n can be written as a linear combination of vectors v1, v2, ..., vk if and only if there exist scalars c1, c2, ..., ck such that v = c1*v1 + c2*v2 + ... + ck*vk. With this definition, we can prove that the columns of B span R^4 by showing that for any vector v in R^4, there exist scalars c1, c2, c3, c4 such that v = c1*B1 + c2*B2 + c3*B3 + c4*B4, where B1, B2, B3, B4 are the columns of the matrix B above. To prove this, we can simply solve the system of equations given by c1*B1 + c2*B2 + c3*B3 + c4*B4 = v for c1, c2, c3, c4. This can be done by using Gaussian elimination, which will yield a set of scalars c1, c2, c3, c4 that can be used to express any vector in R^4 as a linear combination of the columns of the matrix B, thus proving that the columns of B span R^4.

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