I WILL GIVE BRAINLIEST!!!!

Answer:

108°

Step-by-step explanation:

Answer:

The number of boys are 18 and the number of girls are 30.

Step-by-step explanation:

The ratio of number of girls to the boys = 3 : 5

Let the number of girls is g and boys is b initially.

b : g = 3 : 5

5 b = 3 g ..... (1)

Now, girls are 6 + g and boys are b - 9

So, the ratio is

(b - 9) : (6 + g) = 1 : 4

4 b - 36 = 6 + g

4 b - g = 42 .... (2)

From ( 1 ) and ( 2 )

\(4 b - \frac {5 b}{3}= 42\\\\\frac{7 b }{3} = 42\\\\b = 18\)

And , g = 5 x 18/3 = 30

So, the number of boys are 18 and the number of girls are 30.  

Answer:

The first one

Step-by-step explanation:

You can see the pattern

Monte Carlo and Historical simulation are widely used tools for risk measurement, generating random inputs based on probability distribution functions. Proper probability distributions are crucial for risk analysis, while statistics aids in risk management by obtaining probabilities and assessing results.

a) Monte Carlo and Historical simulation are the most extensively used tools for measuring risk. The significant difference between these two tools lies in their inputs. Monte Carlo simulation is based on generating random inputs based on a set of probability distribution functions. While Historical simulation, on the other hand, simulates based on the prior actual data inputs.\

b) In risk analysis, the right choice of probability distribution that explains the risk factor's values is of paramount importance as it can give rise to critical decision making and management of financial risks. Probability distributions such as the Normal distribution are used when modeling the return of an asset, or its log-returns. Normal distribution in financial modeling is essential because it best describes the distribution of price movements of liquid and high-frequency assets. Nonetheless, selecting the wrong distribution can lead to wrong decisions, which can be quite catastrophic for the organization.

c) Statistics are used in Risk Management to assist in decision-making by helping to obtain the probabilities of potential risks and assessing the results. Statistics can provide valuable insights and an objective evaluation of risks and help us quantify risks by considering the variability and uncertainty in all situations. With statistics, risks can be easily identified and properly evaluated, and it assists in making better decisions.

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Answer:

3rd one

Step-by-step explanation:

Answer:

\(\sqrt[10]{y}\)

Step-by-step explanation:

Answer:

The answer is D) 5, the number of eggs on the charts never exceeds that number.

In multiple regression analysis, the correlation among the independent variables is termed multicollinearity

Multicollinearity in a multivariate regression model refers to the correlations between two or more independent variables. Multicollinearity can lead to skewed or false results when a researcher or analyst attempts to determine how effectively each independent variable can be used to predict or understand the dependent variable in a specific statistical model.

It is the term which is generally used to describe the situation in which two or more explanatory variables in a multiple regression model have strong linear correlations with one another but not with the dependent variable. Many times, the creation of new dependent variables that are reliant on other variables can also result in multicollinearity.

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Answer:

-4

Step-by-step explanation:

I’m pretty sure

Answer:

$15.10 per hour

Step-by-step explanation:

105.70÷7= $15.10 per hour

The coefficient used to assess the internal consistency of a measure typically refers to Cronbach's alpha coefficient.

The coefficient used to assess the internal consistency of a measure typically refers to Cronbach's alpha coefficient. This coefficient is a statistic that quantifies the internal consistency reliability of a scale or measure, specifically for measures with multiple items or indicators that are intended to measure the same underlying construct.

The coefficient ranges between 0 and 1, with higher values indicating greater internal consistency. Cronbach's alpha measures the extent to which the items in a scale or measure correlate with each other. It assesses how well the items are measuring the same underlying construct or concept.

In other words, the coefficient represents the proportion of variance in the observed scores that can be attributed to the true score, rather than measurement error or other extraneous factors. It indicates the degree to which the items in the measure are interrelated or consistent with each other, with higher values suggesting stronger internal consistency.

Researchers often use Cronbach's alpha to assess the reliability of scales in various fields, such as psychology, education, and social sciences, to ensure that the measure is measuring the construct consistently and accurately.

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Answer:

23.81%

Step-by-step explanation:

The total number of ways to select 5 out of 10 will be;

10 C 5 = 252

The number of ways of selecting 2 boys out of 6 will be

6 C 2 = 15 ways

The number of ways of selecting 3 girls out of 4 will be

4 C 3 = 4 ways

The probability of both will be;

(4 * 15)/252 = 60/252 = 0.238095238095

To the nearest percentage, that will be 23.81%

Answer:

See image

Step-by-step explanation:

A few way to represent this - mine is just one

Answer:

Step-by-step explanation:

Option A: 8,000(1+6(0.05))

is equal to 10,400

Option B is 10,479.72

Option C: 8,000(1+0.0475)^6

is equal to 10,568.52

making B about $80 more than A and $89 less than C

The difference of the lengths of their sides is 1m.

The area of a square is simply calculated by multiplying the sides by itself.

In this case, it should be noted that an area has 36m². The side will be ✓36 = 6m

The second area is 49m². The side will be:

= ✓49 = 7m

Therefore, the difference will be to subtract the values and this will be:

= 7m - 6m

= 1m.

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The type of indeterminate form obtained by direct substitution in the given limit is 1^∞, where 1^∞ is not a determinate form and its value is not always predictable.

Applying L'Hôpital's Rule to the limit, we get:

lim_(xâ0^+) [cos(Ï/2 - x)]^x = lim_(xâ0^+) e^[x ln(cos(Ï/2 - x))]

Now, applying L'Hôpital's Rule to the exponent, we get:

= lim_(xâ0^+) e^[x (-tan(Ï/2 - x))]

= e^0 = 1

Therefore, the limit is equal to 1.

Using a graphing utility to graph the function, we can see that the limit approaches 1 as x approaches 0 from the right side. Therefore, the result obtained using L'Hôpital's Rule is verified by the graph.

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The exponent \(3^{21}\) is 9 times greater than the exponent \(3^{19}\)

What are Exponents?

Exponentiation is the process of expressing huge numbers in terms of powers. That is, exponent refers to the number of times a number has been multiplied by itself.

Solution:

To solve this type of question all we need to know are the Rules of Exponents with their help any question of this type can be solved

Since we are required to find the number of times the value os greater so we will divide the numbers

3^21 / 3^19

By rule of exponents if a^b/a^c then we can write it as a^(b-c)

Similarly 3^21 / 3^19 = 3^(21 - 19) = 3^2 = 9

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Answer:

i think the answer is 174

Answer:

Answer: 27:8

Step-by-step explanation:

There are 24 + 16 + 14 = 24+16+14= 54

54 marbles in total.

The ratio of total marbles to red marbles is 54 : 16, which simplifies to 27 : 8.

Answer: 27:8

The length of the midsegment of the trapezoid E(-7, 6), F(-2, 5), G(-2, 2), and H(-7, -4) found using the formula for finding the distance between two points on the coordinate plane is 6.5 units long

The formula for the distance d between two points on the coordinate plane is; \(d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)

The midsegment of a trapezoid is the segment that joins or extends between the midpoints of the sides of the trapezoid that are not parallel.

The parallel sides are the sides that have the same slope;

Slope of the side EF = (5 - 6)/(-2 - (-7)) = -0.2

Slope of the side FG = (5 - 2)/(-2 - (-2)) = Undefined

Slope of the side GH = (-4 - 2)/(-7 - (-2)) = 1.2

Slope of the side EH = (-4 - 6)/(-7 - (-7)) = Undefined

The non parallel sides are EF and GH

The midpoint of EF = ((-7 + (-2))/2, (6 + 5)/2) = (-4.5, 5.5)

The midpoint of GH = ((-7 + (-2))/2, (2 + (-4))/2) = (-4.5, -1)

The length of the mid segment is therefore;

d = √((-4.5 - (-4.5))² + (5.5 - (-1))²) = 6.5

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The correct option is D.

In a chi-square test for independence, the statistic based on a contingency table with 5 rows and 4 columns will have 20 degrees of freedom.

The degrees of freedom for a chi-square test for independence is calculated by subtracting 1 from the total number of rows and columns, which in this case is 5 rows and 4 columns. So the degrees of freedom for this test would be (5-1) x (4-1) = 20. Hence the correct option is d.

To be precise, it is a test of independence between two or more variables. It's also known as Pearson's chi-square test or the chi-square goodness-of-fit test.

In a chi-square test, you must have two variables, both of which must be categorical. Each of the variables must have at least two categories, and they must be mutually exclusive.

These variables must have arisen from a random sample. A contingency table is used to show the relationship between the variables in the chi-square test for independence.

A contingency table is a table used to display the relationship between two variables. A contingency table can be used to identify patterns between variables. Hence the answer is 20.

The correct option is D

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ANSWER :

0.620 = 31/50

Step-by-step explanation:

<3

Answer:

A. Adding the values of the intercepted arcs and that is equal to twice the angle measure

Step-by-step explanation:

The intersecting chords theorem states that when four line segments are formed by two chords intersecting in a circle, the product of the two line segments on one chord is equal to the product of the two line segments on the other chord

The angles of intersecting chords theorem states that the angles formed by the intersecting chords one half the sum of the arcs intercepted by the chords

In the diagram attached, we have;

∠x = ∠y + ∠z

m\(\widehat{DHE}\) = 2·∠z, m\(\widehat{CIF}\) = 2·∠y

∴ ∠x = (1/2) × m\(\widehat{DHE}\) + m\(\widehat{CIF}\)

m\(\widehat{DHE}\) + m\(\widehat{CIF}\) = 2 × ∠x

The correct option is therefore adding the values of the intercepted arcs and that is equal to twice the angle measure.

Answer:60.3cm^3

Step-by-step explanation:

i got it wrong and that was the answer lol

Answer:

y = 21

x = 48

Step-by-step explanation:

for y:

5y - 17 + 2y + 50 = 180

add like terms

7y + 33 = 180

subtract 33 from 180

7y = 147

divide 7 from 147

y = 21

for x:

x + 44 + 7x -248

add like terms

8x - 204 = 180

add 204 to 180

8x = 384

divide 8 from 384

x = 48

now plug it in to find angle measurements:

for y:

5 (21) - 17 = 88°

7 (48) - 248 = 88°

for x:

2 (21) + 50 = 92°

48 + 44 = 92°

I hope this helps!❤

The DML Compiler translates Data Manipulation Language (DML) queries into Relational Algebra operations to be used by the Relational Database Management System (RDBMS).

The DML Compiler starts by parsing the query to determine which operations are needed. It then builds an Abstract Syntax Tree (AST) which is a hierarchical representation of the query. Next, the DML Compiler will perform semantic analysis on the AST to ensure that all operations are valid and the query is valid. After the semantic analysis has been done, the DML Compiler will then translate the AST into Relational Algebra operations, which are a collection of mathematical rules used to manipulate data in a relational database. Finally, the DML Compiler will generate an executable code and send it to the RDBMS to be executed. The result of the query is then returned to the user.

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AB is congruent to BC given BE bisects DBC and BE is parallel to AC is proved .

What is congruent ?

Congruent refers to having the same shape and size. In mathematics, two objects are said to be congruent if they are identical in shape and size, and can be superimposed onto one another. The symbol used to represent congruence is ≅. Congruence applies to various geometric objects, such as triangles, rectangles, circles, and more. When two objects are congruent, they have all corresponding angles equal and all corresponding sides equal in length.

Step 1: Statement: \($\angle DBE = \angle EBC$\)

Reason: Given that overline BE bisects \($\angle DBC$\)

Step 2: Statement: \($\angle DBC + \angle EBC = 180^\circ$\)

Reason: Angle sum property of a straight line.

Step 3: Statement: \($\angle ABC + \angle EBC = 180^\circ$\)

Reason: Angles on a straight line sum to \(180^\circ$, and $\overline{BE} || \overline{AC}$\) implies that \(\angle ABC$ and $\angle EBC$\) are co-interior angles.

Step 4: Statement: \($\angle ABC = \angle DBC$\)

Reason: From step 2 and step 3, \($\angle ABC + \angle EBC = \angle DBC + \angle EBC = 180^\circ$\). Thus, \($\angle ABC = \angle DBC$\).

Step 5: Statement: \($\triangle ABE \cong \triangle CBE$\)

Reason: By the angle-angle-side congruence criterion, since \($\angle DBE = \angle EBC$\) (from step 1) and \($\angle ABC = \angle DBC$\) (from step 4), and \($\overline{BE}$\) is common to both triangles.

Step 6: Statement: \($AB = BC$\)

Reason: By step 5, \($\triangle ABE \cong \triangle CBE$\), so corresponding sides are congruent, including \($\overline{AB} \cong \overline{BC}$\).

Therefore, AB is congruent to BC given BE bisects DBC and BE is parallel to AC is proved .

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1) Todo número entero multiplicado por un múltiplo de 10 hereda los ceros de aquel múltiplo.

2) Si el número es decimal, entonces la coma es desplazada una cantidad de posiciones a la derecha equivalente a esos ceros heredados.

3) 100 kilogramos de frijol cuestan $ 2050.

1) Los casos a realizar sin necesidad de calculadora están correctamente desarrollados, puesto que observan la regla mnemotécnica de que todo número entero multiplicado por un múltiplo de 10 hereda los ceros de aquel múltiplo.

2) De manera semejante a 1), los casos a realizar sin necesidad de calculadora están correctamente desarrollados. Si el número es decimal, entonces la coma es desplazada una cantidad de posiciones a la derecha equivalente a esos ceros heredados.

3) La cantidad total (\(C\)), en pesos, por 100 kilogramos de frijol es igual al precio unitario (\(c\)), en pesos por kilogramo, por la masa comprada (\(m\)), en kilogramos, es decir:

\(C = m\cdot c\) (1)

\(C = 100\,kg\times 20.50\,\frac{\$}{kg}\)

\(C = \$ \,2050\)

100 kilogramos de frijol cuestan $ 2050.

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Answer:

ad bc

Step-by-step explanation:

Answer: for part a the answer is aed and bec.

Step-by-step explanation: