a recent report found that a local creamery has a 35% market share in a certain region. employees in the marketing department of the creamery conduct a survey to confirm the results by randomly selecting 200 residents from the region. use a normal approximation to calculate the probability that at most 60 of these people will choose the creamery's brand.

Answer:

23 degrees

Step-by-step explanation:

5: 100 = 2x + 3 + 51

100 = 2x + 54

100 - 54 = 2x

46 = 2x

x = 23 degrees

Answer:

I hope you can understand this

Answer:

1) 136

2) 136

3) 44

Step-by-step explanation:

trapezoid = 360 degrees

44 = the 3rd angle because they are equal

add the two angles(44 and 44) 44 + 44 = 88

that makes up half the shape

next 360 - 88 to find the last two

272 is the remaining measurements, split in half to find 1 and 2

272/2 = 136

Answer:

-43

hope this helps

have a good day :)

Step-by-step explanation:

3+4=7

7-50=-43

Answer:

Step-by-step explanation:

(3+4)-50

=7-50

=-43

The area of the figure which consists of two congruent triangles and a rectangle is calculated as: 52 cm².

In the diagram given above, we see a composite figure consisting of two triangles that are congruent, and a rectangle, therefore:

Area of the figure = area of the two triangles + area of rectangle.

The Area of the two triangles:

base = 8 cm²

height = 4.5 cm²

Area of the two triangles = 2(1/2 * base * height) = base * height

Area = 8 * 4.5 = 36 cm²

Area of rectangle = length * width = 4 * 4

= 16 cm²

Total area = 36 + 16 = 52 cm²

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Probabilities are used to determine the chances of events

The probability that Jill selects a wooden pencil and then a mechanical pencil is 8%

Represent the events as follows:

So, we have

P(A) = 20%

P(B) = 40%

P(C) = 30%

The probability that Jill selects a wooden pencil and then a mechanical pencil is then calculated as:

P(B n A) = P(B) * P(A)

This gives

P(B n A) = 40% * 20%

Evaluate the product

P(B n A) = 8%

Hence, the probability that Jill selects a wooden pencil and then a mechanical pencil is 8%

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Answer:

F = 9/5C + 32

Step-by-step explanation:

F = 9/5C + 32

Since F means Fahrenheit and C means Celsius

Therefore the answer is already written

Answer: F = 9/5C + 32

Answer: C = 5/9 ( F - 32 )

Step-by-step explanation:

i dont know to do the 5 over 9 on the computer but thats the answer

Edmentum Answer

The following equation √ 3x² - 2x + 1/2 = 0 is quadratic

The definition of a quadratic as a second-degree polynomial equation demands that at least one squared term must be included. It also goes by the name quadratic equations. The quadratic equation has the general form ax^2 + bx + c = 0. where a, b, and c are numerical coefficients and x is an unknown variable.

Quadratic expressions are those involving powers of x up to the second power, not the fourth power, hence the prefix quad signifies "four" rather than "two."

As the expression √ 3x² - 2x + 1/2 = 0 has square root so it is  a quadratic equation.

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The volume of the cylinder are:

V₁ = 4.8 unit³

V₂ = 5.6 unit³

V = 10.4 unit³

To read the volume in a cylindrical tube, you need to locate the meniscus. The meniscus is the curve at the surface of the liquid in the tube. The bottom of the meniscus indicates the volume measurement.

In this case, the meniscus is at 4.8 and 5.6 for V₁ and V₂ respectively. Thus, the volume readings are:

V₁ = 4.8 unit³

V₂ = 5.6 unit³

V = V₁ + V₂

V = 4.8 + 5.6 = 10.4 unit³

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In an F-test, the null hypothesis typically states that all specified coefficients are equal to zero. In this case, the null hypothesis is:

H0: β1 = 0, β2 = 0, βs = 0, and β4 = 0

To reject the null hypothesis, we need to find evidence that at least one of these restrictions is violated. This means that if we can show that any one of the coefficients (β1, β2, βs, or β4) is significantly different from zero, it would provide sufficient evidence to reject the null hypothesis.

Therefore, if any one of these restrictions is violated, meaning that its corresponding coefficient is not equal to zero, it would lead to rejecting the null hypothesis. In this case, only one violation among β1, β2, βs, or β4 is needed to reject the null hypothesis. Hence, the correct answer is:

(b) 1

It's important to note that the specific restriction that is violated can be different for each case, but as long as one restriction is violated, we have enough evidence to reject the null hypothesis in an F-test.

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Answer:

75% were well done

Step-by-step explanation:

6*100=600

600/8 = 75

\(\huge\text{Hey there!}\)

\(\large\textsf{2x + 12 = 40}\)

\(\large\text{SUBTRACT 12 to BOTH SIDES}\)

\(\large\textsf{2x + 12 - 12 = 40 - 12}\)

\(\large\text{CANCEL out: \textsf{12 - 12} because that gives you \textsf{0}}\)

\(\large\text{KEEP: \textsf{40 - 12} because that helps solve for \textsf{x}}\)

\(\large\textsf{40 - 12 = \bf 28}\)

\(\large\text{New EQUATION: \textsf{2x = 28}}\)

\(\large\text{DIVIDE 2 to BOTH SIDES}\)

\(\mathsf{\dfrac{2x}{2}=\dfrac{28}{2}}\)

\(\large\text{CANCEL out: }\mathsf{\dfrac{2}{2}}\large\text{ because that gives you 1}\)

\(\large\text{KEEP: }\mathsf{\dfrac{28}{2}}\large\text{ because gives you the value of x}\)

\(\mathsf{x = \dfrac{28}{2}}\)

\(\boxed{\boxed{\large\textsf{Answer: \bf \huge x = 14}}}\huge\checkmark\)

\(\text{Good luck on your assignment and enjoy your day!}\)

~\(\frak{Amphitrite1040:)}\)

Answer:

Concepts: Mathematical Understanding

The value of expression 9x for x= 2 is 18.

what are expressions?

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between. The mathematical operators can be of addition, subtraction, multiplication, or division. For example, x + y is an expression, where x and y are terms having an addition operator in between. In math, there are two types of expressions, numerical expressions - that contain only numbers; and algebraic expressions- that contain both numbers and variables.

e.g. A number is 6 more than half the other number, and the other number is x. This statement is written as x/2 + 6 in a mathematical expression. Mathematical expressions are used to solve complicated puzzles.

Now,

Given expression = 9x

For x=2

Value of expression=9*2

=18

Hence,

          After evaluating 9x for x=2 value will be 18.

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The variance V[aX+b] of a random variable X with real numbers a and b simplifies to a^2 * V[X].

Here's a step-by-step explanation:

1. Recall the definition of variance: V[Y] = E[(Y - E[Y])^2], where Y is a random variable and E[Y] represents its expected value.
2. Substitute Y with aX+b: V[aX+b] = E[((aX+b) - E[aX+b])^2].
3. Apply the linearity of expectation: E[aX+b] = aE[X] + b.
4. Substitute this back into the variance equation: V[aX+b] = E[((aX+b) - (aE[X] + b))^2].
5. Simplify the expression inside the expectation: (aX+b) - (aE[X] + b) = a(X-E[X]).
6. Square the simplified expression: (a(X-E[X]))^2 = a^2 * (X-E[X])^2.
7. Use the fact that E[aZ] = a * E[Z], where Z is a random variable: E[a^2 * (X-E[X])^2] = a^2 * E[(X-E[X])^2].
8. Recall that E[(X-E[X])^2] = V[X], so the final answer is: V[aX+b] = a^2 * V[X].

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The vertex, focus, and directrix of the parabola. x2 = 2y vertex (x, y) = focus (x, y) = directrix, is calculated to be the vertex, focus, and directrix of the parabola. x2 = 2y vertex (x, y) = focus (x, y) = directrix.

Given: x² = 2y We know that the standard form of a parabolic equation is : (x - h)² = 4a (y - k) where (h, k) is the vertex

To write the given equation in this form, we need to complete the square

.x² = 2yy = (x²)/2

Putting this value of y in the above equationx² = 2(x²)/2x² = x²

To complete the square, we need to add (2/2)² = 1 to both sides.x² - x² + 1 = 2(x²)/2 + 1(x - 0)² = 4(1/2)(y - 0) vertex (h, k) = (0, 0) focal length, f = a = 1/2 focus (h, k + a) = (0, 1/2) directrix y - k - a = 0 ⟹ y - 0 - 1/2 = 0 ⟹ y = 1/2

Answer: Vertex = (0,0)Focus = (0,1/2)Directrix = y = 1/2

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Answer: 10 cm

Step-by-step explanation:

o=candle one. t=candle two. h=hours

5/6=5/6 cm per hour for o(candle one).

o=15-5h/6

t=25-5h/2

o=t

15-5h/6=25-5h/2

-5h/6=10-5h/2

(-5h/6=10-5h/2)*6

-5h=60-5h*6/2

-5h=60-30h/2

-5h=60-15h

10h=60

h=6

o=15-5h/6

o=15-5(6)/6

o=15-5

o=10 cm

Answer:

10

Step-by-step explanation:

40/4=10

In the context of a one-sample t-test described as t(15), the information provided refers to the degrees of freedom for the t-distribution, not the mean or sample size.

The answer is option d: the sample size used is 14. In a one-sample t-test, the notation t(df) represents the t-distribution with degrees of freedom (df). The degrees of freedom depend on the sample size and are calculated as df = n - 1, where n is the sample size. In this case, t(15) indicates that the test statistic follows a t-distribution with 15 degrees of freedom. To calculate the degrees of freedom, we subtract 1 from the sample size. Therefore, the sample size used in this one-sample t-test is 14.

The degrees of freedom are important because they determine the shape of the t-distribution and the critical values used in hypothesis testing. As the sample size increases, the t-distribution approaches a standard normal distribution. However, with smaller sample sizes, the t-distribution has thicker tails, allowing for greater variability and accounting for the additional uncertainty in estimating the population parameters.

Hence, it is crucial to correctly interpret the notation in a one-sample t-test, understanding that the number following "t" represents the degrees of freedom, not the mean or the sample size.

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Answer:

student 3 i think yea

Step-by-step explanation:

Answer: Establish a national bank

Step-by-step explanation:

The correct matching relating the correlation coefficients are given as follows:

A correlation coefficient is an index that measures the association between multiple variables.

The closer the absolute value of the correlation coefficient is of 1, the stronger is the association, meaning that the statement has more certainity.

Closer to zero, the correlation coefficient gives no confidence of the assessment, and values above 0.6 are considered as indicating strong correlation.

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After 3.94 hours, the price of stock A and stock B will become same.

What do you mean by price?

Price can be defined as the amount of money that get paid for something.

Lets assume that after x hours the price of stock A is equal to price of stock B.

Since the price of stock A is increasing at rate of 0.11 per hour, so after x hours it will become:

$12.15 + 0.11x

Since the price of stock B is decreasing at rate of 0.08 per hour, so after x hours it will become:

$12.90 - 0.08x

Equating both price to get the value of x:

12.15 + 0.11x = 12.90 - 0.08x

(0.11+0.08)x = 12.90 - 12.15

x = 0.75/0.19

x = 3.94

Hence, after 3.94 hours the price will be same.

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Answer:

the answer is 30% of the workers have output more than 70 units.

Step-by-step explanation:

Answer: I believe the answer is 25%.

Answer:

0.34 < 0.8

Step-by-step explanation:

On compares the decimal numbers 0.34 and 0.8 the correct math statement is 0.34 < 0.8.

To compare the decimal numbers 0.34 and 0.8 correctly, we need to determine which one is greater or if they are equal. One way to do this is by aligning the decimals and comparing the digits from left to right.

0.34 and 0.8 have a different number of decimal places. To make the comparison easier, we can add a trailing zero to 0.34:

0.34 ( or 0.340 ) and 0.8

Now, we can compare them:

0.340 < 0.8

So, the correct math statement is: 0.34 < 0.8.

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9514 1404 393

Answer:

  x = 5

Step-by-step explanation:

Perhaps you want to solve for x the rational equation ...

  (2+5x)/(3x) = (7x -18 +2x)/(3x)

Multiplying by 3x and collecting terms, we have ...

  2 +5x = 9x -18

  20 = 4x . . . . . . add 18-5x to both sides

  5 = x . . . . . . . . divide both sides by 4

The solution is x=5.

The ordered pair (1,2) solves equation 1 but does not solve equation 2. Therefore, the ordered pair (1,2) does not solve the system of equations formed by Equation 1 and Equation 2.

To determine if the ordered pair (1,2) solves equation 1, we substitute x=1 and y=2 into the equation:

3(1) - 5(2) = -7

3 - 10 = -7

-7 = -7

Since both sides of the equation are equal, the ordered pair (1,2) satisfies equation 1.

Next, to check if the ordered pair (1,2) solves equation 2, we substitute x=1 and y=2 into the equation:

1 - 3(2) = -7

1 - 6 = -7

-5 = -7

Since the equation is not true, the ordered pair (1,2) does not satisfy equation 2.

Since the ordered pair (1,2) does not satisfy both equations simultaneously, it does not solve the system of equations formed by equation 1 and equation 2.

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It should take approximately 1.98 hours, or around 1 hour and 59 minutes, to cook a 5.17 pound beef rib roast based on the recommended guideline of 23 minutes per pound at a 325°F oven setting.

To calculate the cooking time for a 5.17 pound roast, we can use the recommended guideline of 23 minutes per pound. First, we need to convert the weight from pounds to minutes, and then convert minutes to hours.

Cooking time in minutes = 5.17 pounds * 23 minutes/pound

Cooking time in minutes = 118.91 minutes

To convert minutes to hours, we divide the total minutes by 60:

Cooking time in hours = 118.91 minutes / 60

Cooking time in hours ≈ 1.98 hours

Therefore, it should take approximately 1.98 hours to cook a 5.17 pound beef rib roast based on the recommended guideline of 23 minutes per pound at a 325°F oven setting.

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Answer:

2w + 18u - 4v

Step-by-step explanation:

3.31 is an estimate for the radius of the circle.

The circle fοrm is a clοsed twο-dimensiοnal shape because every pοint in the plane that makes up a circle is evenly separated frοm the "centre" οf the fοrm.

Each line tracing the circle cοntributes tο the fοrmatiοn οf the line οf reflectiοn symmetry. In additiοn, it rοtates arοund the center in a symmetrical manner frοm every perspective.

he radius of the circle, we need to use the formula for the area of a sector, which is:

Area of sector = (θ/360) x π x r

the radius of the circle "x" for now, and set up an equation using the given information

51.3 = (120/360) x π x

Simplifying this equation, we get:

= (51.3 x 360)/(120 x π)

x² ≈ 10.95

x ≈ √10.95

x ≈ 3.31

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