Could anyone help please

The probability of producing less than 239,000 barrels is 0.8413.

The probability of producing less than 239,000 barrels can be found using the z-score formula. The z-score formula is given by:
z = (x - μ) / σ
Where x is the value we are interested in, μ is the mean, and σ is the standard deviation.
Plugging in the given values, we get:
z = (239,000 - 232,000) / 7,000
z = 1
Now, we can use the standard normal table to find the probability of producing less than 239,000 barrels. The standard normal table gives the probability of a value being less than a given z-score. For a z-score of 1, the probability is 0.8413.
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Answer and Step-by-step explanation:

The answer to this question is 21.

We can easily find the height of the triangle by going to the bottom point of the triangle and counting up each line.

The height is equal to 6.

When we create this line for the height, it sections off two triangle, one with a side of 4 and the other with a side of 3.

To find the area of a triangle, we must Multiply the side lengths together, then Divide by 2.

Triangle 1

4 × 6 = 24

24 ÷ 2 = 12

Triangle 2

3 × 6 = 18

18 ÷ 2 = 9

Now, we add together the areas to get the area of the full triangle.

12 + 9 = 21.

The area of the triangle is 21 \(cm^2\).

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The expression that represents the total amount of berries, in cups, that Emma will put into the containers is N times 3-fourths.

Emma has "n" containers, and she plans to put 3-fourths cup of berries into each container. To calculate the total amount of berries, we need to multiply the number of containers, represented by "n," by the amount of berries per container, which is 3-fourths cup.

Multiplication is denoted by the "times" symbol. Therefore, the expression N times 3-fourths accurately represents the total amount of berries Emma will put into the containers. By multiplying the number of containers by the amount of berries per container, Emma will determine the total quantity of berries she will distribute among the containers.

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Answer:

x=29

Step-by-step explanation:

isolate x, and multiply the 29 by -1

We can calculate the future cost of sneakers by taking the present cost as the initial value and applying a 5.1% increase every year for 25 years.

If the cost of a pair of sneakers increases by approximately 5.1% every year, we can estimate the cost of a pair of sneakers 25 years from now. To calculate this, we can use the compound interest formula.

The compound interest formula can be used to calculate the future value of an investment or in this case, the cost of sneakers after a certain number of years. The formula is given by: A = P(1 + r)^n, where A is the future value, P is the present value, r is the annual interest rate (as a decimal), and n is the number of years.

Using this formula, we can calculate the future cost of sneakers by taking the present cost as the initial value and applying a 5.1% increase every year for 25 years.

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Answer:the ANS to 4 significant figures is 51.92

Step-by-step explanation:u first find the area of the whole chord which is 150 divided by 360 multiplied by the π × 7^2 subtracted from the area of The triangle by doing 1/2×7×7sin150. I hope it helps

Answer:

102.0

Step-by-step explanation:

First find just the area of the shaded minus the triangle 210/360Xπ7²

89.7966...

Then figure out your triangle 1/2(7)(7sin150) 12.25...

add the two together to get the shaded area 89.7966+12.25

102.0cm²

Answer:4/15

Step-by-step explanation:

Take 3/4 and flip it in half, making it 4/3, then multiply that by 1/5.

Answer:

4/15

Step-by-step explanation:

to divide fractions. flip the second fraction. then multiply

3           4

4           3

1   x    4    =   4

5  x    3        15

can't be simplified any further

the angles that satisfy the given conditions are approximately 86.6° and 78.7°.

The given problem asks to find all angles between 0° and 180° that satisfy the given conditions. There are two separate conditions to consider:

For the equation 2cos(θ) = -0.106, we need to find the angles θ that satisfy this equation. Solving for θ, we can use the inverse cosine function to find the principal value of θ. In this case, cos⁻¹(-0.106) ≈ 93.4°. However, since we need to find angles between 0° and 180°, we subtract the principal value from 180° to find the corresponding angle in the second quadrant: 180° - 93.4° ≈ 86.6°.

For the equation tan(θ) = 5, we need to find the angles θ that satisfy this equation. Using the inverse tangent function, we find θ = tan⁻¹(5) ≈ 78.7°.

Therefore, the angles that satisfy the given conditions are approximately 86.6° and 78.7°.

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Assuming that both boats are travelling in straight paths, the angle that is between their paths to the nearest degrees is =34°

A triangle is a type of polygon that has three pointed edges.

A polygon is defined as a closed object that is made up of line segments in a two dimensional plane.

Other examples of polygon include the following:

The angle between the paths of the boats can be calculated using the formula Cos θ = a/b

Where b = 18km/h

a = 15km/h

Cos θ = 15/18

cos θ = 0.83

Therefore, θ = Cos¹0.83

θ = 33.9

θ = 34°

In conclusion, the angle that is between their paths to the nearest degrees is =34°

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Answer:

For part 1:

-2x^6 + 7x^4 + 3x^3 - 3x^2 + 11x + 20

For part 2:

Based on the foiling of both, they are equal.

Step-by-step explanation:

(-2x^3 +x -5)( x^3 -3x-4)

What we need to do is foil one by one.

I’ve attached a picture of this.

Once you foil, you add like terms.

Now for part 2, x^3 -3x-4 and -2x^3 +x -5, we do the same process.

Answer:

36.78

Step-by-step explanation:

You do

40.00

-3.22

borrow from 4

3 10

49.90

-3.22

36.78

Answer:

x = 16

Step-by-step explanation:

If 3.75x would equal to 60, then x would equal to 60/3.75, which would be 16

Hope this helps!

Answer: hey,  i know that E is the only one and 3 times 3 is 6 if you multiply

the height times lengths

ithe first one is 1/8

the second one is 3/20

the third one is 1/8

teh fourth one is 1/12

the last one is 1/6

Step-by-step explanation:

i hope this helps!

The distance between successive fourth roots of the complex number √3/2 - 1/2i on the unit circle is 5π/24 units.

To find the distance between successive fourth roots of a complex number on the unit circle, we can use the concept of the angle between the roots. Let's proceed step by step:

The given complex number is √3/2 - 1/2i. This complex number lies on the unit circle because its magnitude is equal to 1.

1. Convert the given complex number to trigonometric form:

  √3/2 - 1/2i = cos(θ) + i*sin(θ)

  By comparing the real and imaginary parts, we can determine the angle θ:

  cos(θ) = √3/2

  sin(θ) = -1/2

  Using the unit circle, we can find that θ = 5π/6 (or 150 degrees). This angle represents the position of the given complex number on the unit circle.

2. Find the angle between successive fourth roots:

  Since we are interested in the fourth roots, we divide the angle θ by 4:

  θ/4 = (5π/6) / 4 = 5π/24

  This angle represents the angular distance between two successive fourth roots on the unit circle.

3. Calculate the distance between the two points:

  To find the distance, we multiply the angular distance by the radius of the unit circle (which is 1):

  Distance = (5π/24) * 1 = 5π/24

  Therefore, the distance between successive fourth roots of the complex number √3/2 - 1/2i on the unit circle is 5π/24 units.

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The expression 64t² - 16 can be factored completely as 8(2t + 2)(2t - 2). The expression of 64t² - 16 can be completely factored as 8(2t + 1)(2t - 1).

To factor the expression, we can first notice that 64t² is a perfect square, which is (8t)². Similarly, no.16 is a perfect square, which is 4².

Using the difference of squares formula, we have (8t)² - 4².

Applying the formula, so that we get value of (8t + 4)(8t - 4).

Further simplifying that, we have get the value is 8(2t + 1)(2t - 1).

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A standard normal distribution is a normal distribution with a mean of zero and a standard deviation of one. Option A is the correct answer.

The standard normal distribution, often known as the z-distribution, is a special sort of ordinary distribution with a mean of zero and a standard deviation of one. Option A is the correct answer.

Any normal distribution can be standardized through transforming its values into z scores. The Z scores indicate how many standard deviations a certain result is from the mean. All normal distributions are unimodal, symmetrically distributed, and have a bell-shaped curve. One such distribution is the common normal distribution. On the other hand, a normal distribution's mean and standard deviation can be any value. In the typical normal distribution, the mean and standard deviation remain constant.

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A standard normal distribution is a normal distribution with a mean of zero and a standard deviation of one.

A standard normal distribution, also known as the Z-distribution, is a specific type of normal distribution. It has a mean of zero and a standard deviation of one. The Z-distribution is often used in statistics to standardize data and calculate probabilities.

The standard normal distribution is represented by a bell-shaped curve that is symmetric around the mean of zero. The area under the curve represents the probability of a random variable falling within a certain range.

The Z-score, which measures the number of standard deviations a data point is from the mean, is commonly used in hypothesis testing and confidence interval calculations.

The standard normal distribution is widely used in various fields, including finance, psychology, and quality control.

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Answer:

Step-by-step explanation:

For two triangles to be similar, they need to have the same radius.

So, to make them similar, we can simply :

This would give Circle A and B the same radius, and they will be similar.

The given number, 50, is an even number. This can be solved by the concept of Real number.

According to the definition of even numbers, a number is even if it is divisible by 2 with no remainder. In the case of 50, it can be divided evenly by 2 since 50 divided by 2 equals 25, with no remainder. Therefore, 50 is an even number.

To further illustrate, we can use the following formula to determine whether a number is even or odd:

n = 2k

Where n is the given number, and k is an integer. If n can be written in this form, it is even. If not, it is odd.

In the case of 50, we can rewrite it as:

50 = 2 x 25

Since 50 can be expressed as 2 multiplied by an integer (25), it satisfies the formula for even numbers. Therefore, 50 is an even number.

Therefore, the given number 50 is an even number since it is divisible by 2 without leaving any remainder.

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Answer:

could you explain this more im having a hard time with what this is asking?

(a) The probability that a household views television between 4 and 12 hours a day is 0.8864. (b) A household must view at least 12.63 hours of television/day to be in the top 4% of all television viewing households. (c) The probability that a household views television more than 3 hours a day is 0.9830.

(a) To find the probability that a household views television between 4 and 12 hours a day, we need to standardize the values using the formula:

z = (x - μ) / σ

where x is the value we want to find the probability for, μ is the mean, and σ is the standard deviation.

For x = 4 hours:

z = (4 - 8.35) / 2.5 = -1.74

For x = 12 hours:

z = (12 - 8.35) / 2.5 = 1.46

Using a standard normal distribution table or a calculator, we can find the probabilities associated with these z-scores:

P(z < -1.74) = 0.0401

P(z < 1.46) = 0.9265

Therefore, the probability that a household views television between 4 and 12 hours a day is:

P(4 ≤ x ≤ 12) = P(z < 1.46) - P(z < -1.74) = 0.9265 - 0.0401 = 0.8864 (rounded to four decimal places).

(b) To find the number of hours of television viewing a household must have in order to be in the top 4% of all television viewing households, we need to find the z-score that corresponds to the top 4% of the normal distribution:

P(z > z*) = 0.04

Using a standard normal distribution table or a calculator, we can find that the z-score that corresponds to a probability of 0.04 is approximately 1.75.

Using the formula for z-score:

z = (x - μ) / σ

We can solve for x:

x = μ + zσ = 8.35 + 1.752.5 = 12.63 (rounded to two decimal places)

Therefore, a household must view at least 12.63 hours of television per day to be in the top 4% of all television viewing households.

(c) To find the probability that a household views television more than 3 hours a day, we can standardize the value of x = 3 using the formula for z-score:

z = (x - μ) / σ = (3 - 8.35) / 2.5 = -2.14

Using a standard normal distribution table or a calculator, we can find the probability associated with this z-score:

P(z > -2.14) = 0.9830 (rounded to four decimal places).

Therefore, the probability that a household views television more than 3 hours a day is 0.9830.

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The correct option is (a) two factors and three levels. The design has two factors (time of day) and three levels (7 a.m., noon, and 5 p.m.).

In this research design, the factor is the time of day and it has three levels: 7 a.m., noon, and 5 p.m. The researcher is conducting an ANOVA test to measure the influence of the time of day on reaction time.

The factor is the time of day, and it has three levels: 7 a.m., noon, and 5 p.m. The ANOVA test will help determine if there are any significant differences in reaction times between these three periods throughout the day.

Therefore, the design has two factors (time of day) and three levels (7 a.m., noon, and 5 p.m.). The ANOVA test will be used to analyze the influence of the time of day on reaction time.

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Answer:

A

Step-by-step explanation

i = \(\sqrt{-1}\)

i² = (\(\sqrt{-1}\) )² = - 1

i³ = i² × i = - 1 × i = - i

\(i^{4}\) = i² × i² = - 1 × - 1 = 1 , then

\(i^{16}\)

= \((i^4)^{4}\)

= \((1)^{4}\)

= 1

The area of the square is 1/4inches² in square inches

The area of a square is calculated by multiplying its two sides, that is area = s × s, where, 's' is one side of the square.

The square has side of length = 6/12

this can be simplified as 1/2

so

area of the square = (1/2 × 1/2) inches ²

area of the square = 1/4inches²

Thus, the area of the square is calculated using area = s × s, as 1/4inches²

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From the given figure , the special angle pair relationship between ∠1 and ∠3 are known as corresponding angles and are congruent.

As given in the question,

From the given figure:

line l is parallel to line m.

t is the transversal of line l and m

Relationship between angles for the parallel lines

∠1 and ∠2  are straight angles and are supplementary

∠3 and ∠2 are interior angles and are supplementary

⇒m(∠1 + ∠2) = m(∠3+∠2)

⇒m∠1= m∠3

Therefore, from the given figure , the special angle pair relationship between ∠1 and ∠3 are known as corresponding angles and are congruent.

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Answer:

Cosθ = 0.5145

Sinθ = 0.8575

Secθ = 1.9436

tanθ = 1.667

Step-by-step explanation:

From the figure attached,

Point P(-3, 5) is on the terminal side and AB is the initial side of the angle PAB.

If m∠PAB = θ

AB = \(\sqrt{(3)^{2}+(5)^{2}}\)

     = \(\sqrt{34}\)

     = 5.831

Then Cosθ = \(\frac{AB}{AP}\) = \(\frac{3}{5.831}\)

Cosθ = 0.5145

Sinθ = \(\frac{PB}{AP}\)

Sinθ = \(\frac{5}{5.831}\)

Sinθ = 0.8575

Secθ = \(\frac{1}{\text{Cos}\theta}\)

Secθ = \(\frac{1}{0.5145}\)

Secθ = 1.944

tanθ = \(\frac{PB}{AB}\)

tanθ = \(\frac{5}{3}\)

tanθ = 1.667

Answer:

$69.40

Step-by-step explanation:

$9.50 × 6 = $57

$57 + $12.40 = $69.40

Jebb is 6 feet 4.5 inches tall.

What is height?

The distance between the bottom and top of an object or person is a measurement of its height.

Height, altitude, and elevation all refer to the vertical distance, either between the top and bottom of something or between its base and something above it. Height is a term for something that can be high or low and is measured vertically.

Given: Jebb is the tallest player on the basketball team.

He is 1 1 /2 times as tall as the shortest girl in the sixth grade, who is 4 1 /4 feet tall.

Here

1 1/2 times 4 1/4

change to improper fractions

\(1\frac{1}{2} = \frac{(2)(1)+1}{2}= \frac{3}{2}\)

\(4\frac{1}{4}= \frac{(4)(4)+1}{4} = \frac{17}{4}\)

⇒  1 1/2 times 4 1/4  is (3/2)*(17/4)

\(\frac{3}{2}(\frac{17}{4})=\frac{51}{8}\)

Convert 51/8 into improper fraction.

\(\frac{51}{8} = 6\frac{3}{8}\)  feet tall.

3/8 of 12 inches is,

\(\frac{3}{8}(12) = \frac{36}{8}\)

Convert 36/8 into improper fraction

\(\frac{36}{8} = 4\frac{4}{8}\)  inches

Here 4/8 = 0.5

⇒ \(4\frac{4}{8} = 4.5\)

Hence, Jebb is 6 feet 4.5 inches tall.

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Answer: 26

Step-by-step explanation:

Two Angles are Complementary when they add up to 90 degrees (a Right Angle). Then

∠A + ∠B = 90

∠A =90- ∠B

∠A  = 26

Answer:

The measure of \(\angle A\):

\(\angle A = 26\textdegree\)

Step-by-step explanation:

Since both \(\angle A\) and \(\angle B\) are complementary (Which they both add up to 90°), and you want to find the measure of

Measure of \(\angle A\): unknown

Measure of \(\angle B\): 64°

Finding the measure of \(\angle A\):

\(90 - 64 = 26\)

\(\angle A = 26\textdegree\)

So, the measure for \(\angle A\) is \(26\textdegree\).