Enter the range of values for x:A52° 31°B12D2x - 6С[?]

Enter The Range Of Values For X:A52 31B12D2x - 6[?]

Answers

Answer 1

the problem shows a larger triangle that has been divided into two smaller ones, via a spliting of an acute angle into two different size angles one 52 degrees and the other one 31 degrees.

Notice as well that these two smaller triangles have two congruent sides :

AC = AB, and alsoa common side AD.

Then, we can say that the angle wich measures 52 degrees and opposes side BD (which measures 12) has a bigger opening than the angle 31 degrees, and bearing as well the same length of the sides that conform those angles, is definitely going to have a LARGER opposite side than angle 31 degrees.

Then we can write the following first inequality:

opposite side to 52 degrees > opposite side to 31 degrees, which in math expression using the sides measures, give:

12 > 2 x - 6

and we proceed to solve for x in the inequality

add 6 to both sides

12 + 6 > 2 x

divide by 2 both sides (notice that since 2 is positive, the division doesn't change the direction of the inequality)

18 / 2 > x

9 > x

which is the same as:

x < 9

So we have one of the endpoints.

For the other limit for the smaller side (to the left) we use the fact that for sure, the side opposed to 31 degrees angle must be larger than "0" (zero) independent of the lengths of sides AC and AD. So we write this and use the expression for side DC that they give us:

2 x - 6 > 0

add 6 to both sides

2 x > 6

divide both sides by positive 2

x > 6 / 2

x > 3

So, now we put together the conditions for the values we found for the minimum and maximum that x can reach:

3 < x < 9

Please, type these answers in the provided boxes.


Related Questions

14. Find the value of x, given that 4(3x + 2) = 44.

Answers

Answer:

x = 3

Step-by-step explanation:

Let us use BODMAS:

1) 4(3x + 2) = 44  → We have to multiply 4 by what's in the brackets

2) 12x + 8 = 44 → We have to isolate the 12x, therefore, we have to move 8 to the other side. And remember, when we move a positive number to the other side, it turns negative.

3) 12x = 44 - 8 → Subtract 8 from 44

4) 12x = 36 → Now, we need the x alone. Therefore, we divide 12 by both sides.

5) x = 3

Given that 4(3x+2) = 44 and that 12x+8 = 44, determine the value of x.

12x = 44 - 8

By applying the equation 12x = 36x = 36/12, we can deduce that x = 3.

find the derivative of f(x) = ln √x + √In x

Answers

Answer:

[tex]f(x)=in (\sqrt{x} )+\sqrt{in}(x)\\f'(x)=\frac{d}{dx} (in(\sqrt{x} +\sqrt{in}(x)\\\\\\f'(x)=\frac{d}{dx} (in(\sqrt{x} ))+\frac{d}{dx}(\sqrt{in}(x)\\\\ f'(x)=\frac{1}{\sqrt{x} }*\frac{1}{\sqrt[2]{x} } +\frac{1}{\sqrt[2]{in}(x)*\frac{1}{x} } \\\\ f'(x)=\frac{\sqrt{in}(x)+1 }{\sqrt[2x]{in}(x) }[/tex]

1:use the differentiation rules

2:find the derivative

3:simplfy

4:solution

I am confused on this problem and am looking for help. If anyone could help me it would be appreciated

Answers

Answer

[tex]g(x)=-2(x+5)^{2}-3[/tex]

0. Horizontal translation 5 units.

,

1. Reflection over the x-axis

,

2. Vertical compression 2 units

,

3. Vertical translation down 3 units

[tex]y=-(x+5)^2[/tex]

Explanation

• Writing the function in completed-square form.

As a ≠ 1, where a is the coefficient of the leading term, to write it in the completed-square form we have to make a = 1:

[tex]g(x)=-2x^2-20x-53[/tex][tex]g(x)=-2(x^2+10x+\frac{53}{2})[/tex]

Now we have to take half of the x term and square it and add it to the function as follows:

[tex]\frac{10}{2}^2=5^2=25[/tex][tex]g(x)=-2((x^2+10x+25)+\frac{53}{2}-25)[/tex]

Finally, we have a Perfect Squared Trinomial in the left side that we can rewrite as follows, obtaining our function g(x):

[tex]g(x)=-2(x+5)^2+\frac{3\cdot-2}{2}[/tex][tex]g(x)=-2(x+5)^2-3[/tex]

As our parent function is:

[tex]f(x)=x^2[/tex]

Then, the transformations that suffered were:

• Horizontal translation to the left 5 units

[tex]y=(x+5)^2[/tex]

• Reflection over the x-axis

[tex]y=-(x+5)^2[/tex]

• Vertical compression 2 units

[tex]y=-2(x+5)^2[/tex]

• Vertical translation down 3 units

[tex]g(x)=-2(x+5)^{2}-3[/tex]

A surveyor stands at a window on the 9th floor of an office tower. He measures the angles of elevation and depression of the top and the base of a taller building. The surveyor sketches this plan of his measurements. Determine the height of the taller building to the nearest tenth of a meter.

Answers

Given,

The height of the building upto 9th floor is 39 meters.

The angle of elevation is 31 degree.

The angle of depression is 42 degree.

The diagram of the building and taller building is,

Consider,

AB is the height of the building upto 9th floor.

CE is the height of the taller biulding.

BE=AD is the distance between building and taller building.

Taking triangle ADE,

[tex]\begin{gathered} \tan 42^{\circ}=\frac{DE}{AD} \\ \text{here, DE=AB=39m} \\ \tan 42^{\circ}=\frac{39}{AD} \\ AD=\frac{39}{\tan42^{\circ}} \\ =\frac{39}{0.900} \\ =43.34\text{ m} \end{gathered}[/tex]

The distance between the building and the taller building is 43.34 m (approximately).

Taking triangle ADC,

[tex]\begin{gathered} \tan 31^{\circ}=\frac{CD}{AD} \\ \tan 31^{\circ}=\frac{CD}{43.34} \\ 0.601\times43.34=CD \\ CD=26.04734\text{ m} \\ \approx26.05\text{m} \end{gathered}[/tex]

The height of the taller building is,

[tex]\text{Height of building =CD+DE=39+26.05=}65.05\approx65.1\text{ m}[/tex]

The height of the taller building is 65.1 meter.

17. Which expressions contain exactly two terms? Choose ALL that is correct. A. -5 +6x +3y²B. 4xC. 7-9x D. (x + 2)(y - 4)E. 8x² + 5x

Answers

To be able to determine which among the expression contains exactly two terms, let's count how many terms each expression has.

A.) -5 +6x +3y²

The expression has the terms: -5, 6x and 3y²

Therefore, the total number of terms is 3.

B.) 4x

The expression has the terms: 4x

Therefore, the total number of terms is 1.

C.) 7-9x

The expression has the terms: 7 and -9x

Therefore, the total number of terms is 2.

D.) (x + 2)(y - 4)

Let's first expand the expression,

[tex]\mleft(x+2\mright)\mleft(y-4\mright)\text{ = xy -4x + 2y - 8}[/tex]

The expression has the terms: xy, -4x, 2y and -8

Therefore, the total number of terms is 4.

E.) 8x² + 5x

The expression has the terms: 8x² and 5x

Therefore, the total number of terms is 2.

Conclusion: Only the expression at C and E contains exactly two terms.

Therefore, the answer is C and E.

A shop has 500 items, out of which 5 are defective. What per cent are defective?​

Answers

Answer:

1%

Step-by-step explanation:

Divide the defective amount by the number of items and multiply into 100, to get the percentage as follows:

5/500 × 100 = 1%

Is the triangle with the vertices A(7,3), B(0,7), and C(-8, -7) a right triangle?Is the triangle a right triangle?O YesO No

Answers

Solution

We want to use coordinate geometry to determine if the triangle is a right triangle

We can find the distance between all the three vertices.

The formula for distance between two points ( x1 , y1 ) and ( x2, y2) is given as :

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

Let us start by finding the distance AB

Let us find the distance BC

Now let us find the distance AC

The triangle will be a right triangle if it obeys pythagoras theorem

Pythagoras' theorem says if we square the longest side in a right triangle , then it must be equal to the sum of the squares of the other two sides

Let us see if that works. If it works, the triangle is right triangle. If it doesn't work, we conclude otherwise.

So we can say that only right triangle obeys pythagoras' theorem.

Now lets verify

Longest side is AC

[tex]AC=5\sqrt{13}[/tex]

[tex]\begin{gathered} AC^2=(5\sqrt{13)^2}=\text{ }5\sqrt{13}\times5\sqrt{13}=325 \\ AC^2=325 \end{gathered}[/tex]

Let us find the sum of the squares of AB and BC

[tex]\begin{gathered} AB^2+BC^2=\sqrt{65^2}+(2\sqrt{65)}^2 \\ AB^2+BC^2=65+260=325 \end{gathered}[/tex]

Now we observe that ;

[tex]AC^2=AB^2+BC^2[/tex]

The triangle given is a right triangle

Our choice is Yes

You invested 17,000 into accounts paying 2%and 8% annual interest respectfully if the total interest earned for the year was 1,060 how much was was invested at each rate2%8%

Answers

Let's define the following variables.

x = the amount invested at 2%

y = the amount invested at 8%

0.02x = interest at 2% account

0.08y = interest at 8% account

If the total investment in both accounts is 17, 000 then, we can say that:

[tex]x+y=17,000[/tex]

If the total interest earning in both accounts is 1,060 then, we can say that:

[tex]0.02x+0.08y=1,060[/tex]

Now that we were able to form a system of equation, we can solve for the values of x and y using substitution method. Here are the steps.

1. Equation Equation 1 into y = .

[tex]\begin{gathered} x+y=17,000 \\ y=17,000-x \end{gathered}[/tex]

2. Replace the value of y in equation 2 using equation 1.

[tex]\begin{gathered} 0.02x+0.08y=1,060 \\ 0.02x+0.08(17,000-x)=1,060 \end{gathered}[/tex]

3. Solve for x.

[tex]\begin{gathered} \text{Distribute 0.08.} \\ 0.02x+1,360-0.08x=1,060 \\ Subtract\text{ 0.02x and 0.08x.} \\ -0.06x+1,360=1,060 \\ \text{Subtract 1,360 on both sides of the equation.} \\ -0.06x=-300 \\ \text{Divide both sides by -0.06.} \\ x=5,000 \end{gathered}[/tex]

The value of x is 5,000. Hence, the amount invested at 2% is 5,000.

4. Solve for y using equation 1 and the calculated value of x.

[tex]\begin{gathered} y=17,000-x \\ y=17,000-5,000 \\ y=12,000 \end{gathered}[/tex]

The value of y is 12,000. Hence, the amount invested at 8% is 12, 000.

of every five hot dogs Martha sold, 3 had sauerkrauts. what percent of the hot dogs sold had sauerkrauts?a. 6%b. 3/5%c. 60%d. 0.6%

Answers

[tex]\begin{gathered} \frac{3}{5}\text{ of the hot dogs sold had sauerkraufts} \\ 0.6\text{ of the hot dogs sold had saukraufts} \\ 0.6\cdot100=60\text{percent} \\ 60\text{ percet }of\text{ the hot dogs had sauerkraufts} \end{gathered}[/tex]

A baseball is hit, following a path represented by x = 130t and y = 3.2 + 42t − 16t 2 for 0 ≤ t ≤ 3.

Answers

Part A)

Evaluate x(t) and y(t) at t=0.2, 1.2 and 2.4 to find the ordered pairs.

[tex]\begin{gathered} x=130t \\ y=3.2+42t-16t^2 \end{gathered}[/tex]

t=0.2

[tex]\begin{gathered} x=130\times0.2=26 \\ y=3.2+42\times0.2-16\times0.2^2=10.96 \end{gathered}[/tex]

Then, the ordered pair for t=0.2 is (26,10.96).

t=1.2

[tex]\begin{gathered} x=130\times1.2=156 \\ y=3.2+42\times1.2-16\times1.2^2=30.56 \end{gathered}[/tex]

Then, the ordered pair for t=0.2 is (156,30.56).

t=2.4

[tex]\begin{gathered} x=130\times2.4=312 \\ y=3.2+42\times2.4-16\times2.4^2=11.84 \end{gathered}[/tex]

Then, the ordered pair for t=2.4 is (312,11.84).

Part B)

Find a rectangular equation (y as a function of x) to find the height of the ball when it reaches a horizontal distance of 320ft. To do so, isolate t from the equation for x:

[tex]\begin{gathered} x=130t \\ \Rightarrow t=\frac{x}{130} \end{gathered}[/tex]

Replace t=x/130 into the equation for y:

[tex]\begin{gathered} y=3.2+42t-16t^2 \\ \Rightarrow y=3.2+42(\frac{x}{130})-16(\frac{x}{130})^2 \\ \Rightarrow y=3.2+\frac{42}{130}x-16\times\frac{x^2}{16,900} \\ \Rightarrow y=3.2+\frac{42}{130}x-\frac{16}{16,900}x^2 \\ \Rightarrow y=3.2+\frac{42}{130}x-\frac{4}{4,225}x^2 \end{gathered}[/tex]

Replace x=320 to find the height of the ball:

[tex]y=3.2+\frac{42}{130}(320)-\frac{4}{4225}(320)^2=9.6378...[/tex]

Since the height of the ball is less than the height of the fence when it reaches a horizontal distance of 320ft, then the baseball doesn't travel over the fence.

Part C)

A rectangular equation to represent the plane curved was already found in Part B:

[tex]y=3.2+\frac{42}{130}x-\frac{4}{4225}x^2[/tex]

1. you are fishing for trout and bass. gaming laws allow you to catch no more than 15 trout per day, no more than 10 bass per day, and no more than 20 total fish per day. can you catch 11 trout and 9 bass? why or why not?

Answers

toLet the number of trout = x

And the number of bass = y

gaming laws allow you to catch no more than 15 trout per day, no more than 10 basses per day.

So,

[tex]\begin{gathered} x\le15 \\ y\le10 \end{gathered}[/tex]

And no more than 20 total fish per day

So,

[tex]x+y\le20[/tex]

We will check if you can catch 11 trout and 9 bass

So, x = 11 and y = 9

So, 11 < 15

and 9 < 10

And (11+9) = 20

so, the answer of the question will be Yes

Because 11 trout and 9 basses are achieving the previous inequalitues.

Solve this system of equations by graphing. First graph the equations, and then type the solution.y=3x–1y=–3x–7

Answers

In general, to graph a line on the plane, find two points on it and cross them using a straight line.

Finding two points of each of the two lines

[tex]\begin{gathered} y=3x-1 \\ x=1\Rightarrow y=2 \\ \Rightarrow(1,2) \\ x=0\Rightarrow y=-1 \\ \Rightarrow(0,-1) \end{gathered}[/tex]

And

[tex]\begin{gathered} y=-3x-7 \\ x=0\Rightarrow y=-7 \\ \Rightarrow(0,-7) \\ x=1\Rightarrow y=-10 \\ \Rightarrow(1,-10) \end{gathered}[/tex]

Thus, the graphs are

y=3x-1

y=-3x-7

Graph both lines at the same time, the intersection point is the solution to the system

Thus, the solution is (x,y)=(-1,-4)

Bella has a bucket of Legos. She chose a Lego,recorded the color, and placed it back in the bucket.She did this 40 times. The table shows the results.ColorNumberRed4White10Blue8Green18Based on the results in the table, what is theexperimental probability that the next time Bellachooses a Lego it will be a white or blue?

Answers

Answer

Probability that the next time Bella chooses a Lego, it will be a white or blue

= (9/20)

= 0.45

Explanation

The probability of an event is calculated as the number of elements in the event divided by the total number of elements in the sample space.

Number of white or blue legos = 10 + 8 = 18

Total number of legos = 4 + 10 + 8 + 18 = 40

Probability that the next time Bella chooses a Lego, it will be a white or blue

= (18/40)

= (9/20)

= 0.45

Hope this Helps!!!

A car speeding around a track left skid marks in the shape of an arc of a circle. Thechord distance between the endpoints of the skid marks is 550 feet. The chord is 100feet from the center of the circle.What is the radius of the arc made by the skid marks? Round to the nearest tenth.559.9 ft.256.2 ft.550 ft.540.8 ft.x ft.100 ft292.6 ft.

Answers

In the given problem, the chord of the circle forms right triangles with a perpendicular line that passes through the center of the circle. Therefore, the length of the chord is bisected and we get the following triangles:

We can use the Pythagorean theorem to determine the value of the radius:

[tex]r^2=(\frac{550}{2})^2+100^2[/tex]

Solving the operations:

[tex]\begin{gathered} r^2=275^2+100^2 \\ r^2=75625+10000 \\ r^2=85625 \end{gathered}[/tex]

Now we take the square root to both sides:

[tex]\begin{gathered} r=\sqrt[]{85625} \\ r=292.6 \end{gathered}[/tex]

Therefore, the radius of the arc is 292.6 ft.

3. The table shows the linear relationship between the balance of a student's savings account and the number of weeks she has been saving. Savings Account Week 0 1 2 4 7 12 Balance (dollars) 24 32 40 56 80 120 Based on the table, what was the rate of change of the balance of the student's savings account in dollars and cents per week?

Answers

The number of weeks are 0 1 2 4 7 12

The balances are 24 32 40 56 80 120

The rate of change of the balance of the student's savings account in dollars and cents per week is also referred to as the slope of the graph that can be potted with these values. The formula for slope is expressed as

Slope = (y2 - y1)/(x2 - x1)

y1 and y2 would be consecutive values of the balance

x1 and x2 would be consecutive values of the number of weeks

When x1 = 0, y1 = 24

When x2 = 1, y1 = 32

Slope = (32 - 24)/(1 - 0)

Slope = 8

The rate of change of the balance of the student's savings account in dollars and cents per week is 8 dollars per week. Converting to cents, it would be 800 cents per week

Jewels homework Culver's multiplication with powers of 10 the first questions of her homework is 32.4 * 10

Answers

[tex]\begin{gathered} 32.4\cdot10^2 \\ 32.4\cdot100=3,240 \\ \text{The value of the multiplicatio is 3,24}0 \\ \\ \end{gathered}[/tex]

can you help me solve this?Identify the property being used

Answers

Solution

- The question asks us for which property is used in the following equation

[tex]2(RB)\cos \theta=2R(B\cos \theta)[/tex]

- The question uses the Commutative Property of Multiplication.

- This property is stated below:

[tex]A(DC)=C(AD)[/tex]

Final Answer

The answer is Commutative Property of Multiplication

Answer this question and show me how to check it

Answers

In order to rewrite these values in the standard form, let's calculate the product with the power of 10 from each number.

For the length, we have:

[tex]\begin{gathered} 8\cdot10^4 \\ =8\cdot10000 \\ =80000\text{ meters} \end{gathered}[/tex]

For the thickness, we have:

[tex]\begin{gathered} 5\cdot10^{-6} \\ =5\cdot0.000001 \\ =0.000005\text{ meters} \end{gathered}[/tex]

marla earns an annual salary of $28,000 at her new job. She received a 3% salary increase every year. Find Marla’s total earnings over the course of her first five years working at her job.

Answers

ANSWER:

$148,655.8

STEP-BY-STEP EXPLANATION:

Given:

Original salary = $28,000

Increase per year = 3%

The sum of all the earnings would be the sum of the original salary, the salary after 1 year, the salary after 2 years, the salary after 3 years and the salary after 4 years.

The salary in each year is calculated by multiplying the original salary by the increase raised after n years, just like this:

[tex]\begin{gathered} s_n=28000\cdot(1+3\%)^n_{} \\ s_n=28000\cdot(1+0.03)^n_{} \\ s_n=28000\cdot(1.03)^n_{} \end{gathered}[/tex]

Therefore, the total earnings would be as follows:

[tex]\begin{gathered} t=28000+28000\cdot(1.03)^1+28000\cdot(1.03)^2+28000\cdot(1.03)^3+28000\cdot(1.03)^4 \\ t=28000+28840+29705.2+30596.4+31514.2 \\ t=148655.8 \end{gathered}[/tex]

Therefore, the earnings in the first 5 years of MARla is $148,655.8

S=“
T=“
U=“
V= “
Someone please help

Answers

Answers are
S to S’ = (-5, 5) to (5, -5)
T to T’ = (1, 5) to (5, 1)
U to U’ = (2, 7) to (7, 2)
V to V’ = (-4, 7) to (7, -4)

Reason: When reflecting over the line y=x, we simply switch our x and y. These reflected points are the inverse function.

The question and data are below. I put this as chemistry but a chemist could not answer it because it is constructing a graph with data provided. I think it fits into the mathematics option so I put it here :)) thx for the help by the way.

Answers

SOLUTION:

First we plot the graph of Temp vs Volume of air

Part A)Using desmos online graphing tool, the above is obtained as regression

[tex]\begin{gathered} y=\text{ 0.0154625x + 4.63602} \\ \text{hence, because x represents volume, when x=0} \\ y=\text{ 4.63602}\degree C^{} \end{gathered}[/tex]

First we plot the graph of Temp vs Volume of (N2/H2/He)

I need help on this fast

Answers

[tex]\begin{gathered} A=l\cdot w\text{ Area of a rectangle} \\ l=x+2 \\ w=2x-3 \\ \text{ Substitute and we get} \\ A=(x+2)(2x-3) \end{gathered}[/tex]

What is the equation of the line that is parallel to thegiven line and has an x-intercept of -3?

Answers

Answer:

[tex]\sf y = \dfrac{-3}{4}x-\dfrac{9}{4}[/tex]

Step-by-step explanation:

Equation of line: y = mx + b

 Here m is the slope and b is the y-intercept.

First, let us find the slope of given line.

   (-4 ,4) & (4 , -2)

[tex]\sf \boxed{Slope =\dfrac{y_2-y_1}{x_2-x_1}}[/tex]

           [tex]\sf = \dfrac{-2-4}{4-[-4]}\\\\\\=\dfrac{-6}{4+4}\\\\\\=\dfrac{-6}{8}\\\\\\=\dfrac{-3}{4}[/tex]

Parallel lines have same slope.

 m = -3/4

       Equation of the line:

                [tex]\sf y =\dfrac{-3}{4}x+b[/tex]

At x_intercept, y is 0. (-3 , 0). The line passes through the point (-3 ,0).

Substitute in the above equation and we can find the value of 'b'.

             [tex]\sf 0 = \dfrac{-3}{4}*(-3)+b\\\\\\0 = \dfrac{9}{4}+b\\\\\\b = \dfrac{-9}{4}[/tex]

Equation of the required line:

                  [tex]\sf y =\dfrac{-3}{4}x-\dfrac{9}{4}[/tex]

Is the point (20 13) on this line? Explain your reasoning.

Answers

In order to determine if the point (20,13) is on the line, it is necessary to write the equation of the line.

The general form of a linear equation is:

y = mx + b

where b is the y-intercept and m is the slope. Y-intercept is the value of y when x = 0. You can observe in the graph that b = 3.

The slope m is conputed by using the following formula:

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

where (x1,y1) and (x2,y2) are two points of the line. Use the points (0,3) and (6,6), you can select any other two points. Replace these values into the formula for m:

[tex]m=\frac{6-3}{6-0}=\frac{3}{6}=\frac{1}{2}[/tex]

Then, the equation of the line is:

[tex]y=\frac{1}{2}x+3[/tex]

Now, replace the value of x = 20 in the previous equation, if y = 13, then the point (20,13) in on the line:

[tex]\begin{gathered} y=\frac{1}{2}(20)+3 \\ y=10+3 \\ y=13 \end{gathered}[/tex]

Hence, the point (20,13) is on the line

y=X²-4x-5Domain-Range=Function=

Answers

In this problem we have a quadratic equation

y=X²-4x-5

The domain of a quadratic equation is all real numbers

To find out the range we need to calculate the vertex of the parabola

Convert the quadratic equation into vertex form

so

(y-k)=(x-h)^2

y=X²-4x-5

y+5=x^2-4x

complete the square

y+5=(x^2-4x+4)-4

y+5+4=(x-2)^2

y+9=(x-2)^2

the vertex is the point (2,--9)

The quadratic equation represent a vertical parabola open upwards

so the range is the interval

{-9, infinite)

y-1=(x-2)^2 -------> is written as vertex form

The vertex of the parabola is the point (h,k)

(y-k)=(x-h)^2

using a graphing tool to better understand the problem

The range is the interval {-9, infinite)

The domain is the interva (-infinite, infinite)

the function is

y+9=(x-2)^2

f(x)=(x-2)^2-9

or

f(x)=x^2-4x-5

[tex]4^-8[/tex] fraction form.

Answers

[tex]4^{-8} \\=\frac{1}{4^{8} } \\=\frac{1}{65536}[/tex]

the negative exponent downsize the whole power. That is why as a results we have the fraction.

In a survey of 200 people, 32% had a son, 30% had a daughter, and 11% had both a sonand a daughter. What is the conditional probability that a person who has a son also hasa daughter? Round to the nearest whole number.

Answers

We have the following probabilites:

[tex]\begin{gathered} P(\text{had a son)=P(s)}=0.32 \\ P(\text{had a daughter)}=P(d)=0.3 \\ P(\text{had both son and daughter)}=P(d\cap s)=0.11 \end{gathered}[/tex]

Following the definition of conditional probability:

[tex]P(A|B)=\frac{P(A\cap B)}{P(A)}[/tex]

In this case, we want to calculate the conditional probability that a person has a daughter given that he/she already has a son. Then, the probability is:

[tex]P(d|s)=\frac{P(d\cap s)}{P(s)})=\frac{0.11}{0.32}=0.34[/tex]

therefore, the conditional probability that a person who has a son also has a daughter is 34%

Find θ to four significant digits for 0< θ<2 π if tan θ= -0.3573

Answers

Given:

[tex]tan\theta=-0.3573[/tex]

Aim:

[tex]We\text{ need to find the value of }\theta.[/tex]

Explanation:

[tex]tan\theta=-0.3573[/tex]

Taking inverse trigonometry on both sides.

[tex]tan^{-1}tan\theta=tan^{-1}(-0.3573)[/tex]

[tex]\theta=tan^{-1}(-0.3573)[/tex][tex]\theta=-19.6618087737[/tex][tex]\theta\approx-19.6618[/tex]

We know that

[tex]tan(180+\theta)=tan\theta[/tex][tex]tan(180-19.6618)=tan(-19.6618)[/tex]

[tex]tan(160.3382)=tan(-19.6618)[/tex]

The angels are

[tex]-19.6618\text{ and 160.3382}[/tex]

Final answer:

[tex]\theta=19.6618,160.3382[/tex]

sitting with her and not a certain number is a solution to a given inequality

Answers

Answer

Check Explanation

Explanation

12) x ≥ -6; 4

This says that x is equal to or greater than -6. So, 4 is greater than -6 and definitely fits this condition. 4 is a solution to the given inequality.

13) n < 8; 11

This says n is less than 8. So, 11 isn't less than 8 and it doesn't fit this condition. 11 is not a solution to this given inequality.

14) k ≤ 2; (4/3)

This says k is less than or equal to 2. So, (4/3) is less than 4 and it fits this condition. (4/3) is a solution to this given inequality.

15) a > 15; 15

This says a is greater than 15. 15 is not greater than 15 and doesn't fit this condition. 15 is not a solution of this inequality.

16) w ≤ -1.6; 1.7

This says w is less than or equal to -1.6. And 1.7 is not less than -1.6 and doesn't fit this condition. 1.7 is not a solution of this inequality.

17) r ≥ (-5/9); (-3/2)

This says r is greater than or equal to (-5/9). And (-3/2) is less than (-5/9) and doesn't fit into this condition. (-3/2) is not a solution of this inequality.

Hope this Helps!!!

hello could you please tell me if I have selected the right answer?

Answers

we need to reduce

[tex]\frac{-28x^2y}{7xy^2}[/tex]

this can be computed as

[tex](-\frac{28}{7})(\frac{x^2}{x})(\frac{y}{y^2})[/tex]

hence, we have

[tex](-4)(x)(\frac{1}{y})[/tex]

which is equal to

[tex]\frac{-4x}{y}[/tex]

for a new problem, ou must start a new session (Brainly rules). One question per session helps you to find the question at anytime and helps other students to find the answer for the same question.

Other Questions
the sum of the first two terms of an arit identify the correct graph of the circle. (x + 3) + (y + 1) = 16I have to send the graphs in message I need help with this practice Having troubleIf you can, use Desmos to graph the function tan () cot ()=1Trig: use trigonometric identities to transform the left side of the equation into the right side A sample of a gas at room temperature occupies a volume of 36.0 L at a pressure of 472 torr . If the pressure changes to 2360 torr , with no change in the temperature or moles of gas, what is the new volume, V2 ? What diameter must a circular piece of stock be to mill a hexagonal shape with a side length of 2.7 in.? Need help on homework can you please help me solve angle 1 and 2 What is the first step in constructing this equilateral triangle?O A. Draw two circles with radius AB.B. Draw an angle with vertex A.C. Draw an angle with vertex C.D. Draw line segment AB.SUBMIT Using a graphing calculator to grab the support on an approximate square viewing window Mary wants to know the length of a tunnel built through a mountain. To do so, she makes the measurements shown in the figure below. Use these measurements to find the length of the tunnel. In a class of 30 students, 19 have a cat and 12 have a dog. There are 6 students who do not have a cat or a dog. What is the probability that a student has a cat given that they have a dog? Find a linear equation satisfying the followingf(2)= 21 and f(-4) = -15f(x) =help (formulas) wich expresion have a value of 180 when b=4? select all that apply. USE PEMDAS 5 6 3 4 13. Jose is 35 years old, and makes $40,000 per year. If he dies, how much would the beneficiaries of his life insurance policy receive if they can get by on 75% of his income? Muilples-of-Salary Chart PEET : i# 5.5 5.5 6.5 6.5 40 3.0 3.0 810 6.0 4.5 70 BD 85 6.5 75 5.5 2350 GO 5.0 1.5 70 00010 RO ED 70 7.5 60 65 5.5 75 50 A regular 9 sided building is 814 ft along one side what is the distance from a Vertex to the center of the building Solve for x.2x + 20 2x - 4+x == [?] a student wishes to draw a square inscribed in a circle O. after drawing diameter BC, what do they do next? Determine weather each question is an example of statistical question. Drag each question to the correct classification in the table.What is Steve favorite sport?How many books are on the shelf in our math class?What is the height of each player on the basketball team ?what temperature outside the school at 6 o'clock this morning? What is the number of tickets sold at the movie theater each day this month in the figure below , DGH was dilated and then rotated 180 about point G to create the other triangle .