High School Geometry

The percentage of the sample selected at random that would be expected to be afflicted by stress would also be = 80%

The percentage of a data set is when part of the data is represented per 100 with a symbol of %.

It was stated in the question that 80% of Americans report being afflicted by stress.

Therefore when a sample is randomly selected from an American population, the percentage that is expected to be afflicted by stress should also be 80%.

Learn more about percentage here:

https://brainly.com/question/24339661

#SPJ1

Answer:

$8.75 (approximately)

BRAINLIEST, PLEASE!

Step-by-step explanation:

3.5/12 = 0.29...

0.29... x 30 = 8.75...

Answer:

can you add a picture of the triangle

Step-by-step explanation:

Answer:

x+y = 39 and 14y+19=666

Step-by-step explanation:

Let x is the no of tickets for the weekend and y for the weekday.

The price for a weekday ticket is $7, and the price for a weekend ticket is $9.50. The rickshaw driver collected a total of $333 for the week.

Equation (1) should be :

x+y = 39 (because a rickshaw company counted 39 ticket receipts last week)

Equation (b) should be :

7y+9.5=333

Multiplying both sides by 2.

14y+19=666

Hence, the two equations that represent the situation are :

x+y = 39 and 14y+19=666

Answer: y = -x + 39

              14y = -19x + 666

Step-by-step explanation:

There are two relationships given in the question. These are the number of tickets sold and the cost of the tickets sold. The total number of weekend and weekday ticket receipts is 39. This gives the equation x+y=39. Solving this equation for y gives y=−x+39. Now, we write an equation for the cost of the tickets sold. A weekday ticket costs $7, a weekend ticket costs $9.50, and the total money collected was $333. This gives the equation 7y+9.5x=333. Multiplying both sides by 2 to clear the decimal gives 14y+19x=666. This is equivalent to 14y=−19x+666.

The probability of surveying 100 randomly selected households and getting 4 or fewer tuned to 60 minutes is only 0.02%.

P(X <= 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)

P(X = k) = (100 choose k) * 0.078^k * (1 - 0.078)^(100-k)

P(X <= 4) = (100 choose 0) * 0.078^0 * (1 - 0.078)^(100-0) + (100 choose 1) * 0.078^1 * (1 - 0.078)^(100-1) + (100 choose 2) * 0.078^2 * (1 - 0.078)^(100-2) + (100 choose 3) * 0.078^3 * (1 - 0.078)^(100-3) + (100 choose 4) * 0.078^4 * (1 - 0.078)^(100-4)

Using a calculator or software, we can find that:

P(X <= 4) = 0.000203

This means that the probability is 0.02%.

Learn more about probability on

https://brainly.com/question/24756209

#SPJ1

Charges for TV advertising on a TV show are based on the number of viewers, which is measured by the rating. The rating is the percentage of population of 110 million TV households.The CBS television show 60 minutes recently had a rating of 7.8, indicating that 7.8% of the household were tuned to that show.An advertiser conducts an independent survey of 100 households and finds that only 4 were tuned to 60 minutes. Assuming that the 7.8 rating is correct, find the probability of surveying 100 randomly selected households and getting 4 or fewer tuned to 60 minutes.Does the result suggest that the rating of 7.8 is too high?

The area to the right of 0.53 is: 1 - 0.7000 = 0.3000

What is probability ?

Probability can be defined as ratio of number of favourable outcomes , total number of outcomes.

We can use a standard normal distribution table or a calculator to find the standard normal area for each of the following probabilities:

a. P(1.24 < Z < 2.14)

Using a standard normal distribution table, we can find the area to the left of 2.14 as 0.9830 and the area to the left of 1.24 as 0.8934. Therefore, the area between 1.24 and 2.14 is:

0.9830 - 0.8934 = 0.0896

b. P(2.03 < Z < 3.03)

Using a standard normal distribution table, we can find the area to the left of 3.03 as 0.9987 and the area to the left of 2.03 as 0.9783. Therefore, the area between 2.03 and 3.03 is:

0.9987 - 0.9783 = 0.0204

c. P(-2.03 < Z < 2.03)

Since the standard normal distribution is symmetric about 0, we can find the area to the left of 2.03 and double it to get the area between -2.03 and 2.03. Using a standard normal distribution table, we can find the area to the left of 2.03 as 0.9783. Therefore, the area between -2.03 and 2.03 is:

2(0.9783) = 1.9566

d. P(Z > 0.53)

Using a standard normal distribution table, we can find the area to the left of 0.53 as 0.7000.

Therefore, the area to the right of 0.53 is: 1 - 0.7000 = 0.3000

To learn more about Probability from given link.

https://brainly.com/question/11234923

#SPJ1

Answer:

1.) 7x+5y

2.)-19m+14r

3.)22b+40c

4.)10x+25

5.)7m+7

Step-by-step explanation:

ez

Answer:

Step-by-step explanation:

To simplify the expression 3 x (3/4) whole to a unit fraction, we can start by multiplying the whole number 3 by the denominator of the fraction, which is 4:

3 x (3/4) = (3 x 4)/4 x (3/4) = 12/4 x 3/4

We can simplify the fraction 12/4 by dividing both the numerator and denominator by 4:

12/4 = 3

Substituting this back into the expression, we have:

3 x (3/4) = 3/1 x (3/4) = 9/4

Therefore, 3 x (3/4) whole is equal to the unit fraction 9/4.

Answer:

It is A or D but mostly A is correct.

Step-by-step explanation:

give brainliest

Answer:

5.45 hours

Step-by-step explanation:

360 / 6.5 = 55

55 miles per hour

300 / 55 = 5.45

Therefore, it will take 5.45 hours to drive an additional 300 miles.

Please put Brainiest, I need points.

Answer:

you did it

Step-by-step explanation:

i wrote all down for u

Answer:

Step-by-step explanation:

you have to multiply h+ts first find ts an then find h

Answer:

I believe her weight is 80kg

Step-by-step explanation:

Ceri normal weight is 50 Kg.

To determine the quantity or percentage of something in terms of 100, use the percentage formula. Per cent simply means one in a hundred. Using the percentage formula, a number between 0 and 1 can be expressed. A number that is expressed as a fraction of 100 is what it is. It is mostly used to compare and determine ratios and is represented by the symbol %.

Given:

Present Weight = 55 Kg, which is 10% higher than her normal weight.

let her normal weight be x.

So,  x+ 10% of x = 55

x+ 1/10 x = 55

11x /10 = 55

11x= 550

x= 50

Hence, Ceri normal weight is 50 Kg.

Learn more about Percentage here:

https://brainly.com/question/29306119

#SPJ2

Answer:

60°

Step-by-step explanation:

In similar triangles, the corresponding angles are congruent.

          ∠O = R

          O = 70°

In ΔOMN,

      ∠O + ∠M + ∠N = 180     {Angle sum property of triangle}

       70 + 50 + Ф    = 180

               120 + Ф  = 180

Subtract 120 from both sides,

                        Ф  = 180 - 120

                         Ф = 60°  

the answer would be 7/8

Step-by-step explanation:

Answer:

3/3

Step-by-step explanation:

-4 + 2/3 eqeuls that because well actaully there is no right answer just that's as close as u can get too a right answer

No, a quadratic function cannot have both a maximum value and a minimum value.

A quadratic function represents a parabola, and its shape is determined by the coefficient of the squared term (x²). If the coefficient is positive, the parabola opens upward, and if it is negative, the parabola opens downward. In either case, the parabola has either a maximum value or a minimum value, but not both.

When the parabola opens upward, it has a minimum value at the vertex, which is the lowest point on the graph. Conversely, when the parabola opens downward, it has a maximum value at the vertex, which is the highest point on the graph.

Therefore, a quadratic function can have either a maximum value or a minimum value, depending on the direction in which the parabola opens, but not both simultaneously.

Answer:

no it cant

Step-by-step explanation:

Answer:

The letter you have in ur name the most.

Step-by-step explanation:

Look at ur name. Let's say ur name is Layla, u have two a's in layla so choose option a :)

Answer:

D) x²-25

Step-by-step explanation:

(x+5)(x-5) = x² + 5x - 5x - 25  →  x² - 25

Answer:

x = 27 , ∠ EAF = 27°

Step-by-step explanation:

∠ GAF = 90° , then

∠ GAC + ∠ CAF = ∠ GAF , that is

x + 63 = 90 ( subtract 63 from both sides )

x = 27

∠ DAE = 90°

since CD is a straight angle of 180° , then

∠ CAE = 90° , so

∠ CAF + ∠ EAF = ∠ CAE , that is

63° + ∠ EAF = 90° ( subtract 63° from both sides )

∠ EAF = 27°

Answer:same

Step-by-step explanation:because I said so

Answer:

It would take 40 times to match the amount of money

Answer:

(x + 5)^2 + (y + 8)^2 = 6^2

Step-by-step explanation:

A circle formula: (x - h)^2 + (y - k)^2 = r^2

We are given diameter. To find the radius divide diameter by 2.

d = 12

12/2 = r = 6

H and K are given to be (-5 , -8)

(x - (-5))^2 + (y - (-8))^2 = 6^2

(x + 5)^2 + (y + 8)^2 = 6^2

I have plot this equation to confirm my answer is correct where the origin is (-5 , -8) and has a radius of 6.

Answer:

Naruto pls be young again boomor

Answer:

what percent of 2300 is 1265 is the question , sooo  divide 1265 by 2300. why?  b/c 2300 is the total.. so that goes in the denominator and 1256 is our give number so that goes in the numerator of the fraction of those numbers to give us their ratio   :)  or  percentage.. if you understand that.. you're on a good road.  

Step-by-step explanation:

1265 / 2300 = .55   or  55%  :)  a bit more than 1/2 of the people .. which makes total sense  b/c 1/2 of 2300 is 1150 right?  so 50% of 2300 is 1150

55%  :) is the answer

Answer:

triangle PQR is similar to triangle TSR because the measure of angle 3 is congruent to the measure of angle 4 and the measure of angle one is congruent to the measure of angle 5

Step-by-step explanation:

angle 3 and angle 4 are congruent because they are vertical pairs.

Angles 1 and five are congruent because they are alternate interior angles

Answer:

the answer is 26

they used 500 kilograms because since it is thirty percent will not be 600 it is 500 so there is the answer