Help please :( I am stuck

To find the probability of a company having both a website and a section in the newspaper, we can use the formula for conditional probability.

Let's denote the events as follows:
A: A company has a section in the newspaper
B: A company has a website

We are given the following probabilities:
P(A) = 0.43 (Probability of a company having a section in the newspaper)
P(B|A) = 0.84 (Probability of a company having a website given that it has a section in the newspaper)

The probability of both events A and B occurring can be calculated as:
P(A and B) = P(A) * P(B|A)

Substituting in the values we have:
P(A and B) = 0.43 * 0.84
P(A and B) = 0.3612

Therefore, the probability of a company having both a website and a section in the newspaper is 0.3612 or 36.12%.

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Answer:

b is correct

Step-by-step explanation:

2(9t + 2) + 9 + 9 =

= 18t + 18 + 9 + 9 = 18t + 36 ← the end

The type of sampling described, where the researchers intentionally select a sample with 50% straight and 50% LGBTQ+ respondents, is known as "disproportionate stratified sampling."

A. Disproportionate stratified sampling involves dividing the population into different groups (strata) based on certain characteristics and then intentionally selecting a different proportion of individuals from each group. In this case, the researchers are dividing the population based on sexual orientation (straight and LGBTQ+) and selecting an equal proportion from each group.

B. Availability sampling (also known as convenience sampling) refers to selecting individuals who are readily available or convenient for the researcher. This type of sampling does not guarantee representative or unbiased results and may introduce bias into the study.

C. Snowball sampling involves starting with a small number of participants who meet certain criteria and then asking them to refer other potential participants who also meet the criteria. This sampling method is often used when the target population is difficult to reach or identify, such as in hidden or marginalized communities.

D. Simple random sampling involves randomly selecting individuals from the population without any specific stratification or deliberate imbalance. Each individual in the population has an equal chance of being selected.

Given the description provided, the sampling method of intentionally selecting 50% straight and 50% LGBTQ+ respondents represents disproportionate stratified sampling.

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The semicircles are arc AD and arc CG

The measure of the arc GCF is 180°

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

Diameters = AD and CG

This means that

There are no major arc or minor arcs

While the semicircles are arc AD and arc CG

Since, AD is a diameter.

Then, ACD is a semicircle

The measure of a semicircle is 180.

So, the measure of arc GCF is 180°.

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For the given equation, the value of d = 30

To solve linear equations, utilize the steps that are provided below. Remove parenthesis from either side of the equation and combine similar phrases to make it simpler. To separate the variable term on one side of the equation, use addition or subtraction. To find the variable, use division or multiplication.

Divide both sides of the equation by the coefficient of variable: d-12 = 10÷ 5/9

Divide a fraction by multiplying its reciprocal: d 9 -12=10 x 9/5

Write as a single fraction: d-12 = (10 x 9) / 5

Calculate the product or quotient: d-12= 90 / 5

Reduce fraction to the lowest term by canceling the greatest common factor: d-12 = 18

Rearrange unknown terms to the left side of the equation: d=18+12

Calculate the sum or difference: d=30

Answer: d=30

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Answer:

He is charged 5% simple interest per year. How much interest, in dollars, will Nate pay after 2 years? The interest after 2 years will be 0.05*300*2 = 30 dollars.

The area of the figure is 21. 25 m². Option D

It is important to note that the figure is a kite.

The formula for calculating the area of a kite is expressed as;

A= pq/2

Where;

Using tangent identity

tan 45 = x/ 2. 5

1(2. 5) = x

x = 2. 5

p = 2. 5 + 2. 5 = 5

q = 2. 5 + 6 = 8. 5

Now, substitute the values into the formula

Area = 5(8. 5)/ 2

Area = 42. 5/ 2

divide the values

Area = 21. 25 m²

Hence, the value is 21. 25m²

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Answer:

1. area = pi*r^2

herein, dia = 20 inch

radius = 10 inch

area = 22/7*10*10

        = 314.2 square inch

Step-by-step explanation:

What grade is that?

Step-by-step explanation:

The inequality -x+3y < 6 passes through the points (-6, 0) and (0, 2).

In mathematics, "inequality" refers to a relationship between two expressions or values that are not equal to each other. To solve the inequality, you may multiply or divide each side by the same positive number, add the same amount to each side, take the same amount away from each side, and more. You must flip the inequality sign if you multiply or divide either side by a negative number.

We have an inequality,

-x+3y < 6.

The graph of the inequality is given in the attached image.

And inequality passes through the points (-6, 0) and (0, 2).

Therefore, the graph of the inequality is given in the attached image.

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Answer:

d1 = 192

d2 = 192

Step-by-step explanation:

step 1

From the imformation given, the distance is the same

so from the table

d1 = 64t

d2 = 48(7-t)

the distance is the same, it means

d1 = d2

therefore we can get the time(t) from here

64t = 48(7-t)

64t = 336 - 48t

collect like terms

64t+48t = 336

112t = 336

t = 336/112

t = 3

substitute t into d1 to get the distance

d1 = 64t

d1 = 64 × 3

d1 = 192

Note, d1 = d2

d2 = 192 too

Answer:

<B =121

Step-by-step explanation:

If the angles form a linear pair, they add to 180

6x-19 + 11x-22 = 180

Combine like terms

17x -41 = 180

Add 41 to each side

17x-41+41 = 180+41

17x = 221

Divide by 17

17x/17 =221/17

x =13

<b = 11x-22 = 11*13 -22 = 143-22 =121

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Domain ~

Range ~

Answer:

14

Step-by-step explanation:

4 pies with a third each is 4 times

+

2 thirds with is 2 so 4 times 3 is 12 plus 2 is

The number of people that speak both languages is 14.

A set of numbers is a collection of numbers, called elements. The set can be either a finite collection or an infinite collection of numbers.

The total number of people in the tour is 120 people.

Represent the number of people that speaks both languages as x

number of people that speaks German only = 66-x

number of people that speak polish = 54 - x

14 people speak neither

Therefore;

54-x + 66-x + x + 14 = 120

134 - x = 120

x = 134 -120

x = 14

Therefore the number of people that speak both languages is 14

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Answer:

The slope is \(-\frac{3}{4}\)

Step-by-step explanation:

To find the slope, you take 2 points and use rise/run. I used (0,1) and (4,-2) because they look like they are being touched by the line. So by looking at the graph, I have to look at how I can get from (0,1) to (4,-2). So from (0,1), I go down 3 units which makes my number -3, over the run which is 4 units to the right, which makes it positive. so I went down 3 and then went right 4, making this    \(-\frac{3}{4}\). You could also use point-slope which means \(\frac{y2-y1}{x2-x1}\) or \(\frac{-2-1}{4-0}\) which equals the same thing

The number of liters of air in the room that measures 10.0 ft ceiling is 28,300 L.

Therefore, its height is converted to cm:

10.0 ft = 304.8 cm

The volume of air in the room can be calculated using the formula: V = l × b × h

where V is the volume, l is the length, b is the breadth, and h is the height.

The question gives the height. Let's assume that the length of the room is 10 ft and the width is 10 ft too.

10 ft = 304.8 cm

So, length = 304.8 cm, breadth = 304.8 cm, and height = 304.8 cm.

Therefore, the volume of air in the room is:V = l × b × h

= 304.8 cm × 304.8 cm × 304.8 cm

= 28.3 × 106 cm3

Now, 1 L = 103 cm3

Therefore, the volume of air in the room is:

V = 28.3 × 106 cm3

= 28.3 × 106/103 L

= 28,300 L

Therefore, the number of liters of air in the room that measures 10.0 ft ceiling is 28,300 L.

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Answer:

g(7) = 4

Step-by-step explanation:

According to the graph, g(7) = 4

f(n)=2.55+3.75(n), n>0

Answer:

SR= 2.55

GC=3.75

n=?

n rep number of games

SR shoe rental

GC Game cost

f(n)=2.55+3.75n

2.55=3.75n

n=2.55÷3.75

n=0.68

Answer:

15 gallons red paint and 9 gallons blue paint

Step-by-step explanation:

1 gallon unique purple shade = red 5:3 blue

Let's see how many parts are there in total, 5+3=8

24 gallons divided by 8 parts = 3

5x3 =15

3x3=9

Answer:

if you have a specific math problem i can help you with it!

Step-by-step explanation:

you essentially translate the words into math. for example if the problem says something like "he has 5 more pieces of candy than her" you would set a variable, in this case "x," and set it up like this.

since "her" is the original amount, we'd do it like this:

her = x

he = x+5

then, we'd figure out what these values have to equal to. let's say there are 9 total pieces of candy. so this is how we'd do it:

(x)+(x+5)=9

now we solve:

2x+5=9

2x=9-5

2x=4

x=2

hope this somewhat helped! if you have more questions, feel free to ask me!

we have that

Part A

s=3 1/2

Find A

A=s^2

s=3 1/2=7/2

substitute

A=(7/2)^2

A=49/4 unit2

convert to mixed number

49/4=48/4+1/4=12+1/4=12 1/4 unit2

Part b

S=8.257 units

A=(8.257)^2

A=72.71 unit2

Part c

A=361 unit2

Find s

A=s^2

substitute

361=s^2

square root both sides

s=19 units

Part d

A=562 unit2

A=s^2

562=s^2

s=23.71 units

Answer:

the first one is correct

Step-by-step explanation:

this is the same way as writing 7 to the power of four, but all of the sevens are negative in your case

Answer:-7x-7x-7x-7

Step-by-step explanation:

Answer: 23

Step-by-step explanation:

Equation:

(25-12)x - 60 = 250

13x - 60 = 250

13x = 310

x = 23.8 (I Rounded)

Since x has to be a whole number in a real-world situation, the answer is 23.

Answer:

4.

Step-by-step explanation:

A and D are opposite.

A is in the negative side and d is in the positive side.

Answer:

The answer is 7 meters

Step-by-step explanation:

Its 7 meters because if you divide the area by the width you would get the length (49 divided by 7 = 7)

The value of x is 2.0833.

Given that,

Based on the above information, the calculation is as follows:

32.3 = 14.8 + 8.4x

32.3 - 14.8 = 8.4x

17.5 = 8.4x

x =2.0833

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Answer:

2 1/12

Step-by-step explanation:

I took a math quiz and got it 100% correct!

Hope this helps!

Have a great day/night!

False. The derivative of the function f(x) = 5sin(x) + cos(x) is not equal to -5cos(x) - sin(x). The correct derivative of f(x) can be obtained by applying the rules of differentiation.

To find the derivative, we differentiate each term separately. The derivative of 5sin(x) is obtained using the chain rule, which states that the derivative of sin(u) is cos(u) multiplied by the derivative of u. In this case, u = x, so the derivative of 5sin(x) is 5cos(x).

Similarly, the derivative of cos(x) is obtained as -sin(x) using the chain rule.

Therefore, the derivative of f(x) = 5sin(x) + cos(x) is:

f'(x) = 5cos(x) - sin(x).

This result shows that the derivative of f(x) is not equal to -5cos(x) - sin(x).

In summary, the statement that f'(x) = -5cos(x) - sin(x) is false. The correct derivative of f(x) = 5sin(x) + cos(x) is f'(x) = 5cos(x) - sin(x).

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