Julie had 3 1/3cups of flour. A brownie called for 1 1/3 of flour. If julie made one batch of brownies,how many more batches could she make?​​

Step-by-step explanation:

a) The test statistic is (4.4-4)/(1.3/sqrt(70)) = 2.83. The p-value is 0.0023. Since the p-value is less than 0.05, we reject the null hypothesis.

b) The test statistic is (5.3-4.4)/sqrt((1.4^2/106)+(1.3^2/70)) = 4.09. The p-value is less than 0.0001. Since the p-value is less than 0.05, we reject the null hypothesis.

Answer:

x > 3

Step-by-step explanation:

6x - 2 - 3x + 9 > 16

3x + 7 > 16

3x > 9

x > 3

Answer:

D

Step-by-step explanation:

Step-by-step explanation:

Volume of cuboid is length* breadth" height

Volume of cuboid is length* breadth" height=10*8*6= 480cm³

volume of traingular prism= this I don't know

okay wait...imagine there is other half of the traingle such that it becomes cuboid...now find area of cuboid = 5*5*4= 100

now divide by 2 to get half volume ( one triangular prism)

which is 100/2= 50

Volume of traingular prism= 50cm³

Total volume of figure= 480+50= 530cm³

The mean is the sum of all values divided by the number of values in a set.

The mean (or average) of a set of numbers is the sum of all the numbers divided by the total number of values. For example, if we have the numbers 1, 2, 3, 4 and 5, the mean would be (1 + 2 + 3 + 4 + 5) / 5 = 3. The mean is also known as the arithmetic mean or the average. The formula for calculating the mean is:

Mean = (Σx)/N

Where Σx is the sum of all values and N is the number of values. So, for our example with 1, 2, 3, 4 and 5, we could calculate the mean like this:

Mean = (1 + 2 + 3 + 4 + 5) / 5

 = 15 / 5

 = 3

The mean is the sum of all values divided by the number of values in a set.

Learn more about  mean here:

https://brainly.com/question/30094057

#SPJ4

We are given two independent normal distributions with mean and standard deviation. We are asked to find the probability of events that involve the sum or difference of the two variables.

(a) To find P(X+Y≥33), we need to standardize the sum of the variables to get a standard normal distribution. We can calculate the mean and variance of the sum as 25 and sqrt(3^2 + 4^2) = 5, respectively. Then, we can calculate the z-score as (33-25)/5 = 1.6 and look up the probability from the standard normal distribution table to get 0.0548.

(b) To find P(−8≤X−Y≤6), we need to standardize the difference of the variables to get a standard normal distribution. We can calculate the mean and variance of the difference as 10-15=-5 and sqrt(3^2 + 4^2) = 5, respectively. Then, we can calculate the z-scores as (-8+5)/5=-0.6 and (6+5)/5=2.2 and look up the probability between these two z-scores from the standard normal distribution table to get 0.6158.

(c) To find P(20≤X+Y≤28), we can use the same approach as in (a) to standardize the sum and calculate the z-scores as (20-25)/5=-1 and (28-25)/5=0.6 and look up the probability between these two z-scores from the standard normal distribution table to get 0.2546.

(d) To find P(X-2Y≤-10), we can use the same approach as in (b) to standardize the difference and calculate the z-score as (-10-(-5))/sqrt(3^2+2^2)= -3/3.61 = -0.8310. We can then look up the probability for this z-score from the standard normal distribution table to get 0.2033.

To learn more about Variables : brainly.com/question/30789758

#SPJ11

Answer:

1/7

Step-by-step explanation:

I got it right

Answer:

7/9

Step-by-step explanation:

8/9 + -1/9

Rewriting

8/9 - 1/9

Since the denominators are the same, subtract the numerators

(8-1) /9

7/9

Answer:

7/9 is the answer. I hope this helps c:

The last cup contains 4 ounces of lemonade. Option (a) is correct.

Pam has 228 ounces of lemonade and she pours it into 8-ounce cups. To determine the amount of lemonade in the last cup, we divide the total amount of lemonade by the size of each cup.

228 ounces ÷ 8 ounces = 28 cups with a remainder of 4 ounces.

Since the last cup is not completely full, the remaining 4 ounces of lemonade are in the last cup. This means option (a), which states that there are 4 ounces in the last cup, is the correct answer.

By dividing the total amount of lemonade by the cup size and considering the remainder, we can determine the quantity of lemonade in the last cup, which in this case is 4 ounces.

To know more about ounces,

https://brainly.com/question/29374025#

#SPJ11

Answer:

its A. 48.125

Step-by-step explanation:

it just is

Answer:

a

Step-by-step explanation:

Jay's error is that he misinterpreted the concept of the mean of the data set. The mean, also known as the average, is the sum of all numbers in a data set divided by the total number of data points. In this case, we do not know the context of the data set, so we cannot assume it refers to weight or the weight of a couch.

Jay's interpretation of the mean as "half the couch weight less than 7.76 pounds and half weighed more" is incorrect because it assumes that the data follows a symmetrical distribution, which may not be the case. The mean can be influenced by the values on either side of it, and it does not necessarily divide the data set in half.

If we assume that the data set refers to the weight of couches, then Jay's interpretation is incorrect because it is impossible for half the weight of a couch to be less than its weight. Rather, weight is always a positive value, so it would be more appropriate to describe the data in terms of a range or distribution rather than in terms of half and half.

In conclusion, Jay's error was in misinterpreting the meaning of the mean, assuming a symmetrical distribution, and making assumptions about the data set without the necessary context. It is important to understand the context and statistical properties of data before making any conclusions or interpretations.

Hopefully, I correctly answered your question! If I did, I would really appreciate Brainliest. You can give Brainliest by clicking the crown (it only works if there’s two people who answered.) I would also appreciate if you rated my answer 5 stars, and clicked the heart!

~Answer~
_____________________________________

1. yes ±4

2. no, it's between 9 and 4

3. no, it's between 25 and 9

4. yes ±7

5. yes ±11

6. no, it's between 81 and 64

~Step-by-step explanation~
_____________________________________

ok I'll walk you through this
1. x²=16
x = ±4 because (-4)(-4) is 16 and (4)(4) is also 16
4. x²=49
x=±7 because (-7)(-7)=49 and (7)(7) is also 49
5. x²=121
x=±11 because (-11)(-11)=121 and (11)(11)=121.

_____________________________________

Hope this helps and have a good day!

P.S. Brainliest :)

The margin of error for the 99% confidence interval used to estimate the population proportion is approximately 0.00992 or 0.992%.

To find the margin of error for a 99% confidence interval for a population proportion, we need to follow these steps:

Step 1: Determine the sample proportion (p-hat)
In this case, 1860 out of 9300 subjects showed improvement. So, the sample proportion is:
p-hat = 1860/9300 ≈ 0.2

Step 2: Find the critical value (z-score) for the 99% confidence interval
For a 99% confidence interval, the critical value (z-score) is approximately 2.576. This can be found using a z-table or statistical calculator.

Step 3: Calculate the standard error
The standard error can be found using the formula:
SE = sqrt((p-hat * (1 - p-hat))/n)
Where n is the number of subjects. In this case:
SE = sqrt((0.2 * (1 - 0.2))/9300) ≈ 0.00385

Step 4: Calculate the margin of error
Finally, the margin of error can be found by multiplying the critical value and the standard error:
Margin of Error = z-score * SE
Margin of Error = 2.576 * 0.00385 ≈ 0.00992

So, the margin of error for the 99% confidence interval used to estimate the population proportion is approximately 0.00992 or 0.992%.

In summary, the margin of error for this clinical test is 0.992%, which represents the uncertainty around the estimated population proportion of subjects who show improvement after treatment. This means that we can be 99% confident that the true population proportion lies within 0.2 ± 0.00992.

To know more about margin of error refer here:

https://brainly.com/question/29101642

#SPJ11

Answer:

c

Step-by-step explanation:

Answer:

Step-by-step explanation:

A line with an x-intercept of -5 has the coordinates (-5, 0); that same line with a y-intercept of 1 has the coordinates of (0, 1). The slope of this line is

\(m=\frac{1-0}{0-(-5)}\\m= \frac{1}{5}\\\)

A line that is perpendicular to this one will have a slope of -5.

Answer:

4/9

Step-by-step explanation:

1/3 divided by 3/4

find the reciprocal of 3/4

reciprocal of 3/4 = 4/3

multiply 1/3 x 4/3 which is 4/9

Answer:

40 apples

Step-by-step explanation:

If 2 apples is 1/5 of a gram of fat, then 5*2 (or 10) apples will have a total of 1 gram of fat. Therefore, 4*5*2 (or 40) apples will have a total of 4 grams of fat.

Sorry I didn't get to you guys in time. Hopefully this answer helps students in the future.

Answer:

113.04 square inches

Step-by-step explanation:

The diameter of the circle is 12 inches, so the radius is (1/2) * 12 = 6 inches. The area of this circle is approximately 3.14(6^2) = 3.14 * 36 = 113.04 square inches.

To ensure the best test results, Anita should be provided with the following information before her spirometry:

1. Instructions for taking the test: Anita should be thoroughly explained about how the spirometry test works and what steps she needs to follow. This includes taking a deep breath and blowing as hard as she can into the spirometer mouthpiece. It is important to emphasize that she needs to repeat this procedure a few times and take deep breaths between each exhale.

2. Emphasize the importance of taking medication as prescribed: Anita should be reminded of the importance of taking her medications as prescribed, including on the day of the test. It is crucial for her to bring her medications to the test appointment.

3. Avoid certain foods and drinks: Anita should be informed to avoid consuming certain substances before the spirometry test, such as caffeine, alcohol, and heavy meals. These can potentially affect the accuracy of the test results.

4. Arrive early for the test: Anita should be advised to arrive early for the test to allow herself sufficient time to relax and calm down before the procedure. This can help ensure more accurate results.

The rationale behind providing these instructions and information is that spirometry is a lung function test that measures the amount and speed of air being breathed in and out. By following the instructions and guidelines, Anita can achieve optimal results, aiding in the diagnosis and assessment of lung conditions.

Learn more about spirometry and its significance in assessing lung function:

https://brainly.com/question/18155241

#SPJ11

Answer:

-31.77

Step-by-step explanation:

95.31/3 since each ticket is the same amount.

This gives you 31.77, which is the price of 1 ticket.

Her balance would still be negative, so change 31.77 to -31.77

After answering the presented question, we can conclude that As a result, the new angle generated is 180 degrees - 108 degrees = 72 degrees.

what are angles?

An angle is a shape in Euclidean geometry made composed of two rays, known as the angle's sides, that meet in the middle at a point known as the angle's vertex. Two rays can produce an angle in the plane in which they are positioned. An angle is formed when two planes collide. These are known as dihedral angles. In planar geometry, an angle is a shape formed by two rays or lines that have a common termination. The English term "angle" comes from the Latin word "angulus," which means "horn." The vertex is the common terminal of the two rays, which are known as the angle's sides.

The total of a regular pentagon's internal angles is (5-2) x 180 degrees = 540 degrees.

Because a normal pentagon has five equal angles, each interior angle is 540 degrees / 5 = 108 degrees.

When two pentagon sides are stretched to meet, they produce a straight line and a supplementary angle with the neighboring internal angle.

Hence, As a result, the new angle generated is 180 degrees - 108 degrees = 72 degrees.

To know more about angles visit:

brainly.com/question/14569348

#SPJ1

Complete question:

Given a regular pentagon, if two sides of the pentagon are extended to meet, what is the measure of the angle formed at the intersection point?

Required slope intercept form is \(y = - \frac{3}{5} x + 3\)

What is slope ?

The slope of a line is a measure of the steepness and direction of the line. Finding the slope of lines in a coordinate plane can help predict whether the lines are parallel, perpendicular, or missing without using a compass.

The slope of any straight line can be calculated using two points on the line. The slope of the line formula calculates the ratio of "vertical change" to "horizontal change" between two different points on the line. In this article we will understand the slope finding method and its applications.

The slope of a line is defined as the change in the y-coordinate relative to the change in the x-coordinate of that line. The net change in the y-coordinate is Δy, while the net change in the x-coordinate is Δx. Thus, the change in the y-coordinate with respect to the change in the x-coordinate can be written as: m = Δy/Δx

Here given,Equation of line \( \frac{5}{3}y = - (x - 5)\)

We want to find what is 5/3y=-(x-5) in slope intercept form ?

We want to simplify the equation.

\(5y = - 3(x - 5) \\ 5y = - 3x + 15 \\ y = \frac{ - 3x + 15}{5} \\ y = - \frac{3}{5} x + \frac{15}{5} \\ y = - \frac{3}{5} x + 3....(1)\)

We know slope in line y = mx+c is m.

We are comparing equation (1) with y = mx + c and get \(m = - \frac{3}{5} \)

Equation (1) is slope intercept form of 5/3y=-(x-5).

Therefore,required slope intercept form is \(y = - \frac{3}{5} x + 3\)

Slope related one more question:

https://brainly.com/question/3605446

#SPJ2

Since there wer two penalties, each of five yard, the total change in yards due to the penalties is:

there was a change of 10 yards due to the penalties

Answer:

I am pretty sure the answer is A. I really hope this helps

Step-by-step explanation:

I dont have time to explain it im sorry my next class starts in 3 mins

Answer:A

Step-by-step explanation:

Answer:

8 inches

Step-by-step explanation:

The volume of a hemisphere is half the volume of a sphere.

Therefore, the sum of the volumes of the two hemisphere-shaped scoops of ice cream (with diameters of 4 inches), is equal to the volume of a sphere with diameter of 4 inches.

If the melted ice cream fills the cone exactly to the top without overflowing, the volume of the cone with diameter of 4 inches must be equal to the volume of a sphere with diameter of 4 inches.

As the diameter of a circle is twice its radius, then the radius of the sphere and cone is r = 2 inches.

The formulas for the volume of a cone and the volume of a sphere are:

\(\boxed{\begin{minipage}{4 cm}\underline{Volume of a cone}\\\\$V=\dfrac{1}{3} \pi r^2 h$\\\\where:\\ \phantom{ww}$\bullet$ $r$ is the radius. \\ \phantom{ww}$\bullet$ $h$ is the height.\\\end{minipage}}\)   \(\boxed{\begin{minipage}{4 cm}\underline{Volume of a sphere}\\\\$V=\dfrac{4}{3} \pi r^3$\\\\where:\\ \phantom{ww}$\bullet$ $r$ is the radius.\\\\\end{minipage}}\)

The depth of the cone is its height.

Therefore, to calculate how deep the cone must be so that the melted ice cream will fill the cone exactly to the top without overflowing, set the two equations equal to each other, substitute r = 2, and solve for h (the depth of the cone).

\(\begin{aligned}\textsf{Volume of a cone}&=\textsf{Volume of a sphere}\\\\\dfrac{1}{3} \pi (2)^2 h & = \dfrac{4}{3} \pi (2)^3\\\\\dfrac{1}{3} \pi \cdot 4 h & = \dfrac{4}{3} \pi \cdot 8\\\\\dfrac{4}{3} \pi h& = \dfrac{32}{3} \pi \\\\\dfrac{4}{3} h& = \dfrac{32}{3} \\\\4 h& = 32 \\\\h&=\dfrac{32}{4}\\\\h&=8\; \sf inches\end{aligned}\)

Therefore, the depth of the cone must be 8 inches.

The cone must be at least 8 inches deep in order for the melted ice cream to fill the cone exactly to the top without overflowing.

1. The opening of the ice cream cone has a diameter of 4 inches. This means that the radius of the cone's opening is 4/2 = 2 inches.

2. The two hemisphere-shaped scoops of ice cream have diameters of 4 inches each. This means that the radius of each scoop is 4/2 = 2 inches.

3. When the ice cream melts, it will take up the space between the scoops and fill the cone. In order for the melted ice cream to fill the cone exactly to the top without overflowing, the depth of the cone must be equal to the combined height of the two ice cream scoops.

4. The height of each hemisphere-shaped scoop can be calculated using the formula for the volume of a sphere, which is (4/3)πr³, where r is the radius.

  - For each scoop, the radius is 2 inches, so the height of each scoop is (4/3)π(2)³ = (4/3)π(8) = (32/3)π.

5. Since there are two scoops, the combined height of the two scoops is 2 * (32/3)π = (64/3)π.

6. Therefore, the cone must be at least (64/3)π inches deep in order for the melted ice cream to fill the cone exactly to the top without overflowing. This is approximately equal to 67.03 inches.

For more such questions on inches, click on:

https://brainly.com/question/876758

#SPJ8

The probability of no dandelions in an area of 1 m² is approximately 0.00034.

Dandelions are studied for their effects on crop production and lawn growth. In one region, the mean number of dandelions per square meter was found to be 10.8. Given this, we can find the probabilities of different numbers of dandelions in an area of 1 m².

Let X be the number of dandelions in a square meter. We can assume that X follows a Poisson distribution.

Using Poisson distribution, the probability of no dandelions in an area of 1 m² is:

P(X = 0) = e-10.8 × 10.8^0/0! ≈ 0.00034

In conclusion, the probability of no dandelions in an area of 1 m² is approximately 0.00034. This means that the occurrence of no dandelions in an area of 1 m² is very rare. The Poisson distribution is used when we are dealing with counts and the occurrence of events over a fixed interval or region. It is used when the occurrence of an event is rare, and it follows the assumption that the events occur independently of each other.

Learn more about Poisson distribution visit:

brainly.com/question/30388228

#SPJ11

The Laplace transform of the given function f(t) = {3, 0, 0 ≤ t < 2π, 2π ≤ t < ∞} is L{f(t)} = 3/s  where s is the complex variable used in the Laplace transform.

To find the Laplace transform of the function f(t), we use the definition of the Laplace transform:

L{f(t)} = ∫[0,∞] f(t) * e^(-st) dt

In this case, the function f(t) is defined as f(t) = 3 for 0 ≤ t < 2π, and f(t) = 0 for t ≥ 2π.

For the interval 0 ≤ t < 2π, the integral becomes:

∫[0,2π] 3 * e^(-st) dt

Integrating this expression gives us:

L{f(t)} = -3/s * e^(-st) |[0,2π]

Plugging in the limits of integration, we have:

L{f(t)} = (-3/s) * (e^(-2πs) - e^0)

Since e^0 = 1, the expression simplifies to:

L{f(t)} = (-3/s) * (1 - e^(-2πs))

Therefore, the Laplace transform of the function f(t) is L{f(t)} = (-3/s) * (1 - e^(-2πs)).

Learn more about Laplace here:

https://brainly.com/question/32625911

#SPJ11

Answer:

Physical means the actual wires.  Physical is concerned with how the wires are connected. Logical is concerned with how they transmit.

a. Logical

Step-by-step explanation:

...

The arrangement of network cabling between devices is a physical topology. which is the correct answer would be option (C).

The physical configuration of a network, such as the physical arrangement of wires, media (computers), or cables, is referred to as its topology. A link can connect two or more devices, and when the number of connections reaches two, they constitute a physical topology.

A physical network diagram depicts the connecting of devices via cables or wireless links. A logical network diagram, on the other hand, depicts data and signal transfer throughout a network.

Therefore, the arrangement of network cabling between devices is a physical topology.

Hence, the correct answer would be an option (C).

To learn more about the Physical topology click here:

https://brainly.com/question/24209299

#SPJ12

Answers:

============================================

Explanation:

The general form of a slope intercept equation is y = mx+b

m = slope

b = y intercept

Something like y = (-7/6)x + 1 matches with y = mx+b such that m = -7/6 is the slope and b = 1 is the y intercept. So that's why problem 1 matches with choice b (in column B).

Similar situations apply for problems 2 and 3

-----------

For problem 4, we can see the slope is m = -1, but unfortunately m = -1 isn't listed in column B. However, m = -7/7 is listed. So this is why problem 4 matches with choice a. This leaves problem 5 to match with choice e.

note: 6/7 = 12/14 after multiplying top and bottom by 2.