the probability that a woman with two children either has two girls or two boys is 0.5048. what is the probability that she has one child of each sex? (give the answer to four decimal places.)

The answer is (a): \($\mathbf{8 0 0 0}$\)

We have 20 options for each number. Each position is distinct from the others.

Thus, by counting the total number of options, \($=20^{3}=8000$\)

What is combination?

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Answer:

32

Step-by-step explanation:

Each question has 2 possible sets of answers, so multiply the number of possible answers by how many answers there is and you get 32.

Answer:

the student can choose only true

the student can choose false

the student can choose true and false at the same time

Answer:  Graph A looks correct

Step-by-step explanation:

See attachment

Answer:

..A.nswer is option A..

Answer:

la bolsa azucar tiene 320 gramos

la bolsa sal tiene 240 gramos

Step-by-step explanation:

540-60= 480

480/2=240

The constraint on \(r=|z|\) for each of the following sums to converge are:\(\(\boxed{\textbf{(a)}\ \frac{1}{2} < |z|}\)\) and \(\boxed{\textbf{(b)}\ |z| < 2}\).

The constraint on \(r=|z|\) for each of the following sums to converge is given below;

(a)  For\(\(\sum_{n=-1}^{\infty}\left(\frac{1}{2}\right)^{n+1} z^{-n}\)\) series, the constraint is given by: We know that, for a power series\(\(\sum_{n=0}^{\infty} a_n z^n\)\), if the limit exists, then the series converges absolutely for\(\(z_0= lim\frac{1}{\sqrt[n]{|a_n|}}\)\).

Using ratio test, we get \(\(\lim_{n \rightarrow \infty}\frac{a_{n+1}}{a_n}=\lim_{n \rightarrow \infty}\frac{1}{2z}\)\), which equals to \(\(\frac{1}{2z}\)\) and hence, the constraint is given by: \(\[\begin{aligned} \frac{1}{2z} < 1 \\ \Rightarrow \frac{1}{2} < |z| \\ \Rightarrow |z| > \frac{1}{2} \end{aligned}\]\)

(b)  For \(\(\sum_{n=1}^{\infty}\left(\frac{1}{2}\right)^{n-1} z^{n}\)\) series, the constraint is given by: Using the ratio test, we get\(\(\lim_{n \rightarrow \infty}\frac{a_{n+1}}{a_n}=\lim_{n \rightarrow \infty}\frac{z}{2}\)\), which equals to \(\(\frac{z}{2}\)\) and hence, the constraint is given by: \(\[\begin{aligned} \frac{z}{2} < 1 \\ \Rightarrow |z| < 2 \end{aligned}\]\)

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Answer:

Coordinates (1,6)

Equation x=1

Step-by-step explanation:

Center of highest point is 1 on the x and 6 on the y

Answer:

AUC={0,1,2,3,4,6,8}

hope it helps.

C = {1, 2, 3, 8}

A U C = {0,1,2,3,4,6,8}

Answer:

Factor form: (2x-5)(2x+5)

If you olny simplify: 8x-25

Step-by-step explanation:

Answer:

\(x = 6.6\) and \(DE = 16.2\)

Step-by-step explanation:

The question is incomplete as the attachment to solve segment DE is missing. However, see attached for complete question.

Given

\(\frac{5}{9}= \frac{9}{(2x+3)}\)

Required

Find x

Length of DE

To find x, we need to first simplify the given equation

\(\frac{5}{9}= \frac{9}{(2x+3)}\)

Multiply both sides by \(9(2x+3)\)

\(\frac{5}{9} * 9(2x + 3) = \frac{9}{(2x+3)} * 9(2x + 3)\)

\(5(2x + 3) = 9(9)\)

\(10x + 15 = 81\)

Subtract 15 from both sides

\(10x + 15 - 15 = 81 - 15\)

\(10x = 66\)

Divide both sides by 10

\(\frac{10x}{10} = \frac{66}{10}\)

\(x = \frac{66}{10}\)

\(x = 6.6\)

From the attached;

\(DE = 2x + 3\)

Substitute 6.6 for x

\(DE = 2(6.6) + 3\)

\(DE = 13.2 + 3\)

\(DE = 16.2\)

Hence \(x = 6.6\) and \(DE = 16.2\)

Answer: 6.6 for the first x

Length of DE is 16.2

Also these are correct!

Step-by-step explanation:

I just put it in

Step-by-step explanation:

It's the seconddddddddd

Answer:

D. 12 x 1 / 3

Step-by-step explanation:

6 x 2 / 3

= ( 6 x 2 ) / 3

= 12 / 3

= 12 x 1 / 3

Answer:

3i - 10

Step-by-step explanation:

(8 + 3i) + (-6 - 12)

8 + 3i -18

3i - 10

The statement is False.

The range of the transformation t is the set of all possible outputs of the transformation, which is the set of all linear combinations of the columns of the matrix A.

Therefore, the range of the transformation t is a subspace of R^m that is spanned by the columns of A.

The dimension of the range of t is the rank of A, which can be at most min(m, n).

Therefore, the statement that the range of t is R^m is not necessarily true, since the dimension of R^m is m, which may be larger than the rank of A.

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Answer:

The average monthly revenue last year would be 99,020.

Step-by-step explanation:

69,314 = 70%

69,314 ÷ 70 = 990.2 (this equals one percent of the revenue)

990.2 × 100 = 99,020

99,020 = 100%

A right triangular prism has 3 rectangular faces.

If each of the edges of the triangular base measures 4.5cm,

and the length (the height) of the prism is 22.5cm,

the 3 rectangular faces (sides of the box) are rectangles,

22.5cm long and 4.5cm wide.

Each face has a surface area of (22.5cm)(4.5cm)=101.25 square centimeters.

The total lateral surface area for the 3 rectangular sides of the box is

3(101.2 square centimeters)=303.75 square centimeters.

If the triangular faces of the box are triangles

with a base measuring 4.5cm and a height measuring 4.0cm,

the surface area of each triangular face is

(1/2)(4.5cm)(4.0cm)=9 square centimeters.

The surface area of the two triangular faces adds up to

2(9 square centimeters)=18 square centimeters.

The total surface area for the box is

303.75 square centimeters + 18 18 square centimeters= 321.75 18 square centimeters,

and that rounds up to highlight 322 square centimeters.

NOTE:

The answer above is the one your teacher wants,

but there is a problem with this problem.

An equilateral triangle with sides measuring 4.5cm

would have a height of approximately 3.9cm.

The Pythagorean theorem says so.

However, the 4.0cm value makes the calculations easier.

Answer:

A right triangular prism has 3 rectangular faces.

If each of the edges of the triangular base measures 4.5cm,

and the length (the height) of the prism is 22.5cm,

the 3 rectangular faces (sides of the box) are rectangles,

22.5cm long and 4.5cm wide.

Each face has a surface area of (22.5cm)(4.5cm)=101.25 square centimeters.

The total lateral surface area for the 3 rectangular sides of the box is

3(101.2 square centimeters)=303.75 square centimeters.

If the triangular faces of the box are triangles

with a base measuring 4.5cm and a height measuring 4.0cm,

the surface area of each triangular face is

(1/2)(4.5cm)(4.0cm)=9 square centimeters.

The surface area of the two triangular faces adds up to

2(9 square centimeters)=18 square centimeters.

The total surface area for the box is

303.75 square centimeters + 18 18 square centimeters= 321.75 18 square centimeters,

and that rounds up to highlight 322 square centimeters.

Step-by-step explanation:

Answer:

The answer is (A) 17 cm.

Step-by-step explanation:

We can use the Pythagorean theorem to find the length of the hypotenuse of the right triangle:

c^2 = a^2 + b^2

where c is the length of the hypotenuse, and a and b are the lengths of the other two sides.

Plugging in the values given in the problem, we get:

c^2 = 11^2 + 13^2

c^2 = 121 + 169

c^2 = 290

Taking the square root of both sides, we get:

c ≈ 17.03

So the length of the hypotenuse is approximately 17.03 cm.

To find the perimeter of the triangle, we just need to add up the lengths of all three sides:

11 + 13 + 17.03 ≈ 41.03

So the perimeter of the triangle is approximately 41.03 cm, which rounded to the nearest tenth is 41.0 cm.

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Answer:d

Step-by-step explanation:

I took the test

The trapezoidal rule is a numerical integration method that uses trapezoids to estimate the area under a curve. The trapezoidal rule can be used for both definite and indefinite integrals. The trapezoidal rule approximation, Tn, to the integral sin r dz is given by:

Tn = (b-a)/2n[f(a) + 2f(a+h) + 2f(a+2h) + ... + 2f(b-h) + f(b)]where h = (b-a)/n. To determine how large n should be so that Tn is accurate to within 0.00001, we can use the error bound given in Section 5.9 of the course text. According to the error bound, the error, E, in the trapezoidal rule approximation is given by:E ≤ ((b-a)³/12n²)max|f''(x)|where f''(x) is the second derivative of f(x). For the integral sin r dz, the second derivative is f''(r) = -sin r. Since the absolute value of sin r is less than or equal to 1, we have:max|f''(r)| = 1.

Substituting this value into the error bound equation gives:E ≤ ((b-a)³/12n²)So we want to choose n so that E ≤ 0.00001. Substituting E and the given values into the inequality gives:((b-a)³/12n²) ≤ 0.00001Simplifying this expression gives:n² ≥ ((b-a)³/(0.00001)(12))n² ≥ (b-a)³/0.00012n ≥ √(b-a)³/0.00012Now we just need to substitute the values of a and b into this expression. Since we don't know the upper limit of integration, we can use the fact that sin r is bounded by -1 and 1 to get an upper bound for the integral.

For example, we could use the interval [0, pi/2], which contains one full period of sin r. Then we have:a = 0b = pi/2Plugging in these values gives:n ≥ √(pi/2)³/0.00012n ≥ 5073.31Since n must be an integer, we round up to the nearest integer to get:n = 5074Therefore, we should choose n to be 5074 so that the trapezoidal rule approximation, Tn, to the integral sin r dz is accurate to within 0.00001.

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Answer:

?=4

Step-by-step explanation:

?*(3+2)=12+8

?(5)=20

20/5=4

?=4

4*(5)=20

20=20

Answer:

20

Step-by-step explanation:

Well first you want to find out what 12 plus 8 is and that is 20 so first you do the parenthesis which is 3+2 and that is 5 and 5x4 is 20 so your answer is 20

Please mark brainlest

a) The population for this study would be all U.S. adults, while the sample would be the 1000 U.S.

b) The percentage provided, which states that 50% of respondents favored a plan to break up the 12 megabanks, is a descriptive statistic.

a. The population for this study would be all U.S. adults, while the sample would be the 1000 U.S. adults who participated in the survey conducted by Rasmussen Reports and Pulse Opinion Research, LLC.

b. The percentage provided, which states that 50% of respondents favored a plan to break up the 12 megabanks, is a descriptive statistic. Descriptive statistics summarize and describe the characteristics of a sample or population, in this case, the percentage of respondents who support the idea of breaking up big banks. It does not involve making inferences or generalizations about the entire population based on the sample data.

Overall, the survey suggests that a significant proportion of the U.S. population is in favor of breaking up the large banks. This may have important implications for policymakers, as it highlights a potential need for reforms in the banking sector to address concerns over concentration of power and systemic risk.

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Answer:

48

Step-by-step explanation:

0.08 × 600 =48

for the percent you move the decimal forward twice.

Ruby's total earning for the month will be $4,020.

It is given that -

Ruby's monthly salary =$1,800

Ruby's  commission on sales= 6%

Ruby's last month sales= $37000

Ruby's monthly salary =$1,800

Ruby's  commission on sales= 6%

Ruby's last month sales= $37000

Amount Ruby earned as a commission = \(\dfrac{37000\times6}{100}\) =  $2220

Ruby's total earning will be = Salary + commission

                                               = 1800+2220

                                                = $4020

Hence Ruby's total earning for the month will be $4,020.

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The missing value in the chart will be 1/9.

From the chart, the given function is an exponential function,

Since the function is 3ⁿ.

Thus, the value of the function at n= -2 will be,

=> 3ⁿ=3⁻²

=> 3ⁿ= 1/3²

=> 3ⁿ= 1/9

Therefore, the value of the function at n = -2 will be 1/9.

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Answer:

N=3M, 51

Step-by-step explanation:

The total number of novels is equal to 3 x Months, For every month, Milan reads 3 books, so for 17 months, 17 x 3 = 51, So N = 51

R2 = SSxy / SSyyWhere SSxy is the sum of squares of regression and SSyy is the total sum of squares of y. Hence, using the given data:R2 = SSxy / SSyy= 5268 / 13,483= 0.391 or 39.1% Thus, approximately 39.1% of the variability in the volume of pine trees can be accounted for by size (circumference).

The regression line for predicting y from x:In linear regression, the regression equation that can be used to predict y for any given x value is given by: y = a + bx Where, a is the y-intercept and b is the slope of the regression line. The slope of the regression line is given by: b = SSxy / SSxx Where, SSxy is the sum of squares of regression and SSxx is the total sum of squares of x. Hence, using the given data: b = SSxy / SSxx= 5268 / ((1384^2) - (37(25.7)^2))= 0.372The y-intercept

a = y¯ - bx¯ Where x¯ and y¯ are the mean of x and y respectively. Hence, using the given data: x¯ = Sigma x / n= 1384 / 37= 37.51and y¯ = Sigma y / n= 1346 / 37= 36.38a = y¯ - bx¯= 36.38 - (0.372 × 37.51)= 22.51Therefore, the regression line for predicting y from x is: y = 22.51 + 0.372x (in cubic feet)

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Answer:

Ys, I think you are correct pls correct me if Im wrong

Step-by-step explanation:

The perspective illustrated by the form of trade where China trades silk with Germany in exchange for automobiles is comparative advantage.

Comparative advantage is an economic concept that states that countries will benefit from trade if they specialize in producing goods and services that they are relatively more efficient at producing, and then trade with other countries for goods and services they are relatively less efficient at producing.

In this scenario, China has a comparative advantage in producing silk, and Germany has a comparative advantage in producing automobiles. By specializing in these goods and exchanging them, both countries can benefit from trade and produce a greater quantity of goods and services than they could have if they were trying to produce everything themselves.

The concept of comparative advantage was first introduced by economist David Ricardo in the early 19th century, and it remains an important principle in international trade theory.

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Answer:

wow! Thanks!

Step-by-step explanation:

Answer:

Thank youuu

Step-by-step explanation:

You should eat chicken nuggets, they are very good.