In circle H with m/GHJ = 66 and GH = 10 units, find the length of arc GJ.
Round to the nearest hundredth.
G
H
Answer: GJ is 2.89 units.
Step-by-step explanation:
J
We use the formula for the length of an arc of a circle:
Length of arc = (central angle/360 degrees) x 2πr
In this case, the central angle is m/GHJ = 66 degrees, and the radius of the circle is half the diameter GH = 5 units.
So,
Length of arc GJ = (66/360) x 2π(5)
Length of arc GJ = (11/60)π(5)
Length of arc GJ ≈ 2.89 units
Rounded to the nearest hundredth, the length of arc GJ is 2.89 units.
7. A medical technologist notes after observation under the microscope that in one of the samples to be tested, many red blood cells are crenated. Give a possible explanation for this observation.
8. Tugor pressure results one plant cells are placed in hypotonic solution. Why don't the cells burst?
9. A red blood cell is placed in a hypotonic solution. what is the fate of the cell?
7. A possible explanation for crenated red blood cells is that the cells are being exposed to a hypertonic solution. This causes the cells to lose water, causing them to shrink and become crenated.
8. Plant cells do not burst when placed in hypotonic solutions because they possess a rigid cell wall that helps the cell maintain its shape. The water enters the cell and increases its volume, but the cell wall prevents the cell from bursting.
9. When a red blood cell is placed in a hypotonic solution, it will swell and eventually burst, a process known as lysis. This occurs because the cell membrane is not strong enough to resist the pressure from the influx of water.
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is x=-3 a solution to 6x+4=-12
Answer:
No
Step-by-step explanation:
Six times negative three is negative eighteen and that plus four is negative 14
Solve for x.
5x – 10 > 20 or 5x – 10 ≤ –15
Find the value of KL
Answer:
40.5
Step-by-step explanation:
!
The following cone has a slant height of 17
cm and a radius of 8
cm.
What is the volume of the cone?
Responses
480π
320π
544π
The formula for the volume of a cone is:
V = (1/3)πr²h
where r is the radius of the base, h is the height of the cone, and π is pi.
In this case, the slant height is given as 17 cm, which we can use with the radius to find the height of the cone using the Pythagorean theorem:
h² = s² - r²
h² = 17² - 8²
h² = 225
h = 15
Now that we have the height, we can plug in the values for r and h into the formula for the volume:
V = (1/3)π(8²)(15)
V = (1/3)π(64)(15)
V = (1/3)(960π)
V = 320π
Therefore, the volume of the cone is 320π cubic cm. Answer: 320π.
How do you find the area of a rhombus without diagonals?
The area of a rhombus can be found by multiplying the length of one of its sides by the height of a perpendicular line from the center to a side.
The height of the rhombus is the distance from the center of the rhombus to one of its sides, perpendicular to that side.
The formula for the area of a rhombus can be written as A = s*h, where A is the area, s is the length of one of the sides of the rhombus, and h is the height of the rhombus.
It's important to note that this method of finding the area of a rhombus without diagonals can only be used when the rhombus is a regular polygon, a polygon with all sides and angles congruent. When the rhombus is not a regular polygon, then you can find the area by using the diagonals.
Additionally, it's important to mention that a rhombus can be defined as a parallelogram with all sides congruent or a square with its angles not 90 degrees.
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Consider the function g. Help asap please.
Answer:
table A
Step-by-step explanation:
given a function with coordinates (x, y ) on it
then the corresponding coordinates of the inverse function are (y, x )
that is
g(x) → inverse k(x) are
(- 8, 2 ) → (2, - 8 )
(- 4, 3 ) → (3, - 4 )
(0, 4 ) → (4, 0 )
(4, 5 ) → (5, 4 )
(8, 6 ) → (6, 8 )
the inverse values are shown in table A
x-1=0 pls answer me I'll give u 10 points
Answer: x=1
Add 1 to both sides x-1=0 x-1+1=0+1
what is the additive inverse of x+3
Answer:
-x-3
Step-by-step explanation:
(x+3) + the additive inverse = 0
the additive inverse = -(x+3)
What is the arithmetic average return for a mutual fund that reported a return of 5 percent every year for the last 3 years?
The arithmetic average return for the mutual fund that reported a return of 5% every year for the last 3 years is 5%
The arithmetic average return for a mutual fund that reported a return of 5% every year for the last 3 years can be calculated by adding all the returns and dividing by the number of years.
Let’s calculate it in detail below:
To calculate the average return of a mutual fund that reported a return of 5% every year for the last 3 years, the following steps can be followed:
Step 1: Add the returns for the last 3 years. 5% + 5% + 5% = 15%.
Step 2: Divide the total return by the number of years. 15% / 3 = 5%.
Therefore, the arithmetic average return for the mutual fund that reported a return of 5% every year for the last 3 years is 5%.
Arithmetic average return is the sum of returns for each year divided by the number of years. It is calculated to evaluate the performance of the fund over a period of time.
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The weather forecast says there is a 75% chance it will rain later today. select a spinner you could use to simulate.
To simulate the given weather forecast, we can use a spinner with four equal sectors, three of them marked with the letter "R" (for rain), and one marked with the letter "S" (for sunshine). The "R" sectors represent the 75% chance of rain, while the "S" sector represents the remaining 25% chance of sunshine. By spinning the spinner, we can simulate the probability of whether it will rain or be sunny later today.
Using a spinner is a common way to simulate probability. It is a circular object divided into equal sections, and each section represents a possible outcome. By spinning the spinner, we can randomly choose one of the outcomes, simulating a probability experiment. In this case, we can use a spinner with four equal sectors, where three of them represent the 75% chance of rain and one represents the 25% chance of sunshine.
Using a spinner is an easy and effective way to simulate probability. To simulate the given weather forecast, we can use a spinner with four equal sectors, where three of them represent the 75% chance of rain and one represents the 25% chance of sunshine. By spinning the spinner, we can randomly choose one of the outcomes, simulating the probability of whether it will rain or be sunny later today.
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An airline claims that it rarely loses a passenger's checked luggage, and, if checked luggage is lost, 90% of the luggage is recovered and returned to the owner within 24 hours. A consumer group believes the 24-hour recovery rate of lost luggage is actually lower (worse) than the airline's claim. They surveyed a large random sample of the airline's customers and found that 103 of 122 people who had lost luggage were reunited with the missing items within 24 hours. Is this enough evidence to claim the proportion of people who lost luggage with this airline a
The number that corresponds to the null hypothesis and the alternative hypothesis will be 3 and 6 respectively.
What is a null hypothesis?Specify the correct number from the list below that corresponds to the appropriate null and alternative hypotheses for this problem.
It should be noted that the null hypothesis suggests that there's no statistical relationship between the variables.
The alternative hypothesis is different from the null hypothesis as it's the statement that the researcher is testing.
In this case, the number that corresponds to the null hypothesis and the alternative hypothesis will be 3 and 6 respectively.
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The cost and customer rating of 15 cars is shown on the scatterplot. The cars are rated on a scale of 0 to 100. Scatterplot with x axis labeled Car Price, US dollars, going from 2,000 to 5,000 and y axis labeled Rating going from 0 to 120. Values at 2,678, 33; 2,774, 40; 2,961, 30; 2,945, 15; 3,356, 44; 3,335, 66; 3,489, 98; ,3613, 86; 3,906, 49; 3,997, 55; 4,030, 65; 4,200, 11; 4,350, 54; 4,494, 75; 4,601, 74. Part A: Describe the association shown in the scatterplot. (4 points). Part B: Give an example of a data point that affects the appropriateness of using a linear regression model to fit all the data. Explain. (4 points) Part C: Give an example of a car that is cost effective and rated highly by customers. (2 points)
Based on the scatter plot for this data, we can logically deduce that the association between them is a positive association.
What is a scatter plot?A scatter plot can be defined as a type of graph which is used to graphically represent the values of two (2) variables, with the resulting points showing any association (correlation) between the data set.
Part A.Based on the scatter plot for this data, we can deduce that the association between them is a positive association because the price and customer rating increases together.
Part B.An example of a data point which would affect the appropriateness of using a linear regression model to fit all the data is car price of $4,601 and customer rating of 100.
Part C.An example of a car that is cost effective and rated highly by customers is the one with a customer rating of 100 and sold at $3,500.
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Answer
Step-by-step explanation:
What time does Camilla have to leave for school if it takes 45 minutes to get to school? School starts at 8:15 A.M
Answer all parts of number 1 please. Thank you.
Answer:
Step-by-step explanation:
Natural numbers are counting numbers, not including 0. The only natural number in set M is 11.
The whole numbers are counting numbers INCLUDING 0, so 0 and 11 are whole numbers.
Integers are positive, negative, and zero, but NO irreducible fractions allowed. So -7, -1, 0, and 11 are integers.
Answer:
a) 11
b) 0,11
c) -7, -1, 0, 11
3/4 is a fraction (Rational Number: + and - Fractions and Decimals)
\(\sqrt{3}\) and π are (Irrational Numbers: + and - numbers that go on and on without stopping)
Step-by-step explanation:
Natural Number: Positive whole numbers that you count from 1 to infinity (This does not include 0)
Whole numbers: Just like Natural Numbers but 0 is included
Integers: Any positive/negative whole number (0 included)
turn phone to read please
Answer:
\(SA \approx 439.82\:in^2\)
Step-by-step explanation:
Surface Area = \(2\pi r h+2\pi r^2\)
Putting the given values and simplifying, we get:
\(SA \approx 439.82\:in^2\)
Best Regards!
One week a student exercised 2 hours at school and another 1/4 of an hour at home. If 1/5 of the students total exercise came from playing soccer, how much time did the student spend playing soccer that week? I’m terrible at fractions it wants the answer in hours and to not include units in this answer.
Answer:
The total hours of exercising is 2 hours and 15 minutes.
27 minutes is your total of him playing soccer. i got this by getting the minutes from the total time, so 135 and I divided it by 5 and got 27 or you could even know that 1/5 of an hour is 12 and multiply that by 12 and 1/5 of 15 is 3 so it equals 27 minutes!
Answer:
28.8 minutes
Step-by-step explanation:
Total hours the student exercised = 2hours 15 minutes. = 2.4 hours.
Given that:
1/5 of this came from soccer, so we must find 1/5 of 2.4:
1/5 x 2.4 = 0.48 hours.
We can write this as minutes = 28.8 minutes.
So, the student plays soccer for 28.8 minutes.
hope this helps.
Good Luck
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Oliver's toenails are 1.432 centimeters. Seth's toenails are 1.056 centimeters. What is the length of the shortest toenails?
Answer:
the shortest toenail is 1.056cm
Answer:
seths toenail...
Step-by-step explanation:
WHY WEE THEY MESURING TOENAILS?!!!!!
Suppose that the relationship between a response variable y and an explanatory variable x ismodeled by y = 2.7(0.316)*. Which of the following scatterplots would be approximately follow a straightline?a.) A plot of y against xb.) A plot of y against log xc.) A plot of log y against xd.) A plot of log y against log xe.) None of the above
a.) A plot of y against x would be expected to follow a straight line.
The given model equation is y = 2.7(0.316)*, which is a simple linear regression model with a slope of 0.316 and an intercept of 0.
When y is plotted against x, the scatterplot would show the relationship between the response variable and the explanatory variable, and since the equation is a linear model, the plot is expected to be approximately linear.
On the other hand, plotting y against log x or log y against x or log x against log y would not be expected to show a linear relationship, as the model is not a logarithmic one.
A scatter plot is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. If the points are coded, one additional variable can be displayed.
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is 3+9 rational or irrational?
Answer:
I Think 3+9 is irrational
review the data you collected concerning temperature as it relates to distance from the heat source, and write a hypothesis that explains this relationship. using the discussion board, share your data and your hypothesis with your classmates. describe how your data supports,
If your data does not support your hypothesis, you may need to revise it or consider alternative explanations for the relationship between temperature and distance from the heat source.
When writing a hypothesis, it's important to start with a clear statement of the relationship you are exploring. In this case, you are investigating the relationship between temperature and distance from the heat source. Your hypothesis might be something like:
"As the distance from the heat source increases, the temperature will decrease."
To support this hypothesis, you would need to collect data that shows a clear trend in temperature as distance increases. You could create a scatterplot with distance on the x-axis and temperature on the y-axis, and look for a negative correlation between the two variables. You could also calculate a correlation coefficient, which would give you a numerical measure of the strength of the relationship.
If your data supports your hypothesis, you could then make conclusions about the relationship between temperature and distance from the heat source. For example, you could state that your data suggests that temperature decreases as distance from the heat source increases. You could also discuss the practical implications of this relationship, such as the importance of maintaining a safe distance from heat sources to prevent burns or fires.
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The table shows the price of bagels at two different stores: Store Price Bagels Bagel Stop $10.00 35 bagels Yummy Bagels $5.00 18 bagels Yummy Bagels sells bagels at a lower unit price than Bagel Stop. (3 points) True False
Answer:
The answer would be True
Step-by-step explanation:
Because your getting 35 bagels for $10 rather then getting 5$ for 18
Your getting a cheaper price for more.
I CALL THAT A WIN - WIN!!!!!!!
pleaase mark me brainlyest!
Answer:
True
Step-by-step explanation:
What is a rectangular area (9)(4)(3)
Answer:
108
Step-by-step explanation:
A school with 1,200 students takes a survey of 50 students and finds 14 of them are left-handed. Approximately how many students in the school are left-handed?
Answer:65.2
Step-by-step explanation:Add 1,200 to 50 that will give you 51.2.Finally add 51.2 to 14 that will give your answer 65.2.
Please help with spanish! I just need three examples for each one. Thank you!!
Answer:
Hola and Como estas
Step-by-step explanation:
Hola means hello and you can use it formally and informally when speaking to friends or respected family members.
Como estas is a informal way of saying how are you to friends.
Zaheed enjoys walking his dog, Basil, each afternoon. Zaheed typically walks
blocks around the neighborhood, which takes about 45 minutes. Today, on his walk around the neighborhood with Basil, Zaheed noted that Basil barked at
other dogs. Zaheed wonders if he can predict how many dogs Basil will bark at tomorrow on the way to the dog park, which is
blocks away.
What assumptions would Zaheed have to make in order to use a proportional equation to make his prediction?
For Zaheed to use a proportional equation to make his prediction, he will need to make the following assumptions:
Each block has the same number of dogs. i.e. 20 dogs per block.The route to the dog park also has 20 dogs per block.The proportional equation would be \(y = 20x\)A proportional relationship relates the change of one quantity to the other which changes at similar rate.
A proportional equation can be modelled as:
\(y = kx\)
In other for Zaheed to be able to use a proportional equation to make his prediction, he can make the following assumptions:
He can assume that each block he walks his dog through has the same number of dogs, say 20 dogs per block in the neighborhood. This will be the the constant of proportionality, k, in the equation.Zaheed will also assume the number of dogs in every block that is on the way to the dog park is the same as the blocks in his usual route.The proportional equation he will use to make his predictions will be:
\(y = 20x\)
Where,
y = number of dogs Basil will bark at
x = number of blocks Zaheed walks Basil through to the dog park.
k = 20 = constant of proportionality.
In summary, for Zaheed to make his prediction, he will need to make the following assumptions:
Each block has the same number of dogs. i.e. 20 dogs per block.The route to the dog park also has 20 dogs per block.The proportional equation would be \(y = 20x\)Learn more here:
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2(6x+5)=58
(solve for x)
Suppose that today the exchange rate between the u.s. dollar and the chinese yuan is $1 =.12 yuan. if next week the exchange rate is $1 = .20 yuan, it is clear that:____.
Suppose that today the exchange rate between the u.s. dollar and the chinese yuan is $1 =.12 yuan. if next week the exchange rate is $1 = .20 yuan, it is clear that yuan has depreciated relative to dollar.
What is meant by the exchange rate?
The price of one currency relative to another is known as the exchange rate. When nations employ gold or another accepted standard, and each currency is worth a particular amount of the metal or other standard, the exchange rate is "fixed."Last week: $1 = 0.12 yuan
Therefore, for exchange of $1, 0.12 yuan will be given
Today: $1 = 0.2
Therefore, for exchange of $1, 0.2 yuan will be given.
So, yuan will be given for same amount of $. Thus yuan has depreciated.
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suppose the probability that maya is home is 1/3 and the probability that jim is home is 1/4. but the probability that jim is home given that maya is home is 1/2. what's the probability that they're both home?
The probability that they're both home is 1/12.
In the given question,
Probability of Maya at home P(A) = 1/3
And probability of Jim at home P(B) = 1/4
The probability that Jim is home given that maya is home P(A∪B) = 1/2
We have to find the probability when they both are at home P(A ∩ B).
As we can see that the probability of both the events are independent
So, we can use
P(A ∪ B) = P(A) + P(B) – P(A ∩ B)
Therefore,
1/2 = 1/3 +1/4 – P(A ∩ B)
P(A ∩ B) = 7/12 – 1/2
P(A ∩ B) = 1/12
Hence, the probability that they're both home is 1/12.
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