Answer:
should be $10
Step-by-step explanation:
$1.25 x 8lbs = $10
what are the major methods of recording unstructured observational data
The major methods of recording unstructured observational data are Narrative Description, Field Notes, Audio or Video Recording, Photography, Diagrams or Maps.
The major methods of recording unstructured observational data are:
1. Narrative Description: This method involves writing a detailed, chronological account of the observed events or behaviors, capturing the context and interactions as they occur naturally.
2. Field Notes: In this method, the observer takes brief, concise notes during the observation, focusing on key events, behaviors, or interactions. These notes can be expanded and organized later for further analysis.
3. Audio or Video Recording: Using audio or video equipment, the observer captures the events and interactions in their entirety. This allows for a more accurate record and the ability to review and analyze the data multiple times.
4. Photography: Taking photographs during the observation can provide a visual record of the events and behaviors. These images can supplement other data collection methods and help to illustrate specific aspects of the observation.
5. Diagrams or Maps: Drawing diagrams or maps of the observation setting can help capture the spatial relationships between individuals and objects, as well as the overall layout of the environment.
These methods can be used individually or in combination, depending on the research question and the specific needs of the study. Remember to always respect participants' privacy and obtain informed consent when necessary.
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PLEASE HELP MY SOULLLLL
please answer these (please show a little work not alot is needed just some but, feel free to put more) plz put the question number next to the answer if you put it as text if you just edit the pictures then ignore then don't mind it
Answer:
I will help ur soul
Step-by-step explanation:
Do u need the work as well?
on a primem date botht he month and the day are prime numbers. for example feb 2 or 2/3 is a prime date. how many prime dates occurred in 2007?
A prime date is a date where both the month and day form a prime number, for example 2/2 or 3/3.
There were 10 prime dates in 2007:
January 2nd (1/2)
February 2nd (2/2)
March 3rd (3/3)
April 5th (4/5)
May 7th (5/7)
June 11th (6/11)
July 13th (7/13)
August 17th (8/17)
September 19th (9/19)
November 23rd (11/23)
December 29th (12/29)
A prime date is a date where both the month and day form a prime number, for example 2/2 or 3/3. To find the number of prime dates in 2007, we must first identify which months and days form prime numbers. January 2nd (1/2), February 2nd (2/2), March 3rd (3/3), April 5th (4/5), May 7th (5/7), June 11th (6/11), July 13th (7/13), August 17th (8/17), September 19th (9/19), November 23rd (11/23), and December 29th (12/29) are all prime dates in 2007. Therefore, there were 10 prime dates in 2007.
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what would have been the result of mendel choosing a model system that displayed continuous variation?
Given how difficult continuous variation traits are to name and track, Mendal probably would not have discovered as many relationships or his work would have been much more difficult.
Mendel presented the findings of his research with around 30,000 pea plants to the neighborhood Natural History Society in 1865. He proved that qualities are faithfully passed on from parents to children in dominant and recessive patterns, regardless of other traits. Peas have two identical or homologous copies of each chromosome, one from each parent, making up their genetic composition. Peas are diploid organisms because each homologous pair of chromosomes contains the identical linear arrangement of genes. Almost all mammals and numerous other plants have this trait.
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Owen is 69 inches tall. How tall is Owen in feet? there is a hint i am in 6 grade
Answer:
5.75 feet tall
Step-by-step explanation:
Express 7 min.30sec.as a percentage of 1 hour .
Answer:
well for me
Step-by-step explanation:
7 mins
7×60
=420
plus the 30sec
450 sec
450/3600×100
45000/3600
450/36
12.5
that's how I can help
The required percentage is 12.5% of 1 hour which equals 7 minutes 30 seconds.
What is the percentage?The percentage is defined as a ratio expressed as a fraction of 100.
To express 7 minutes 30 seconds as a percentage of 1 hour, you first need to convert the time to a common unit, such as seconds.
One hour is equal to 60 minutes, so 7 minutes 30 seconds is equal to 7 × 60 + 30 = 450 seconds.
Next, you need to express the time in terms of the total number of seconds in an hour.
One hour is equal to 60 minutes, and one minute is equal to 60 seconds, so one hour is equal to 60 × 60 = 3600 seconds.
To find the percentage of 1 hour that 7 minutes 30 seconds represents, you would divide the number of seconds by the total number of seconds in an hour, and then multiply the result by 100% to convert it to a percentage.
Using the values above, the calculation would be as follows:
450 seconds / 3600 seconds × 100% = 12.5%
Therefore, 7 minutes 30 seconds is equal to 12.5% of 1 hour.
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I just failed a test cansomeone explained to me what inequalitys are
Answer:
An inequality is a relation which makes a non equal comparison between two of more numbers or other mathematic equations. > I'd greater than < is less than = equal to. ≥ is greater than or equal ≤ less than or equal to. = equal to ≠ not equal
Step-by-step explanation:
Inequality- is a relation which makes a non-equal comparison between two numbers or other mathematical expressions.
The sum of the digits of a two-digit nunber is 7. When you reverse the digits of the original number the new number is 27 more than the orginal number. What is the value of the original number?
Answer:
25
Step-by-step explanation:
2+5=7
25 reversed is 52
52-25=27
Answer:
25
Step-by-step explanation:
2+5=7
25 reversed is 52
52-27=25
A forest covers 61,000 acres. A survey finds that 0.6% of the forest is old-growth trees. How many acres of old-growth trees are there? ... There are I acres of old-growth trees. (Type an integer or a decimal.) sorry this one is the last one Thank you for helping me (⑅•ᴗ•⑅)
Answer:
There are 366 acres of old-growth trees
Step-by-step explanation:
61000 x 0.006 = x (x represents acres of old-growth trees)
x = 366
tadah!
Please help me find area of circle
Answer:
12.568m^2
Step-by-step explanation:
A=πr^2 where r is. radius
=3.142(2^2)
=3.142(4)
=12.568m^2
Answer:
8m
Step-by-step explanation:
can someone help with all 4 questions and show work on how to do all of them please
\(\\ \rm\Rrightarrow |1/3(2^3-10^2/5)|=|1/3(8-20)|=|1/3(-12)|=4\)
\(\\ \rm\Rrightarrow |-(1/6)^3|=(1/6)^3=1/216\)
\(\\ \rm\Rrightarrow |6^3-7^3|=|216-343|=127\)
\(\\ \rm\Rrightarrow |9^2+(-9)^3|=|81-729|=648\)
Answer:
8) 1/216
13) 127
14) 648
15) 4
Step-by-step explanation:
Question 8\(\large \begin{aligned}\displaystyle \left|-\left(\frac{1}{6}\right)^3\right| & = \left|-\left(\frac{1^3}{6^3}\right)\right|\\\\& = \left|-\frac{1}{216}\right|\\\\& = \frac{1}{216}\end{aligned}\)
Question 13\(\large \begin{aligned}\displaystyle \left|6^3-7^3\right| & = \left|216-343\\ & = \left|-127\right|\\ & = 127\end{aligned}\)
Question 14\(\large \begin{aligned}\displaystyle \left|9^2+(-9)^3\right| & = \left|81+(-729)\right|\\& = \left|81-729\right|\\& = \left|-648\right|\\& = 648\end{aligned}\)
Question 15\(\large \begin{aligned}\displaystyle \left|\frac{1}{3}\left(2^3-\frac{10^2}{5}\right)\right| & = \left|\frac{1}{3}\left(8-\frac{100}{5}\right)\right|\\\\& = \left|\frac{1}{3}\left(8-20\right)\right|\\\\& = \left|\frac{1}{3}\left(-12\right)\right|\\\\& = \left|\frac{-12}{3}\right|\\\\& = \left|-4\right|\\\\& = 4\\\end{aligned}\)
Daniel placed $2,500 in a one-year time deposit (CD) with a 2.7% annual interest rate. Approximately how much interest will Daniel earn at maturity?
3 enteros 21/50 en decimal
Where is the horizontal center of mass of the entire upper extremity?
Answer:
can you tell me please
Step-by-step explanation:
nicest
The Suarez family paid $14.25 for 3 movie tickets. How much would they have paid for 9 tickets?
Answer:
$42.75
Step-by-step explanation:
14.25
x 3
---------
42.75
Answer:$42.75
Step-by-step explanation: You just take the $14.25 and triple it.
Find the volume of the solid below.
Answer:
2880.42 ft³----------------------
The bottom part is a cylinder with:
d = 16 ft, h = 12.5 ftThe top is a cone with:
d = 16 ft, h = (18 - 12.5) ft = 5.5 ftFind the total volume of the solid by adding up the volumes.
Volume of the cylinder:
V = πr²h = π(d/2)²hV = 3.14*(16/2)²(12.5)V = 2512 ft³Volume of the cone:
V = πr²h/3 = π(d/2)²h/3V = 3.14(16/2)²(5.5)/3V ≈ 368.42 ft³Volume of the solid:
V = 2512 + 368.42 V = 2880.42 ft³The volume of the solid is 2880.43 ft³ .
What is the volume of the solid?The object is made up of a cylinder and a cone. The volume of the object would be the sum of the volume of the cylinder and the volume of the cone.
Volume of the cylinder = πr²h
Where:
π = pi = 3.14
r = radius = diameter / 2 = 16 / 2 = 8
h = height = 12.5
3.14 x 8² x 12.5 = 2512 ft³
Volume of a cone = 1/3 πr²h
H = 18 - 12.5 = 5.5 feet
1/3 x 3.14 x 8² x 5.5 = 368.43 ft
Volume of the solid = 2512 ft³ + 368.43 ft = 2880.43 ft³
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Determine the second order partial differentiation for the following function z=√x² + y² (6 marks)
The second-order partial derivatives of the function z = √(x² + y²) are:
∂²z/∂x² = y² / (x² + y²)(3/2)
∂²z/∂y² = x² / (x² + y²)(3/2)
To determine the second-order partial differentiations of the function z = √(x² + y²), we need to find the second-order partial derivatives with respect to x and y.
First, let's find the first-order partial derivatives:
∂z/∂x = (1/2)(x² + y²)^(-1/2) * 2x
= x / √(x² + y²)
∂z/∂y = (1/2)(x² + y²)^(-1/2) * 2y
= y / √(x² + y²)
Now, let's find the second-order partial derivatives:
∂²z/∂x² = ∂/∂x (∂z/∂x)
= ∂/∂x (x / √(x² + y²))
= (√(x² + y²) - x * (x / √(x² + y²)^3)) / (x² + y²)
= (√(x² + y²) - x² / √(x² + y²)) / (x² + y²)
= (y² / √(x² + y²)) / (x² + y²)
= y² / (x² + y²)^(3/2)
∂²z/∂y² = ∂/∂y (∂z/∂y)
= ∂/∂y (y / √(x² + y²))
= (√(x² + y²) - y * (y / √(x² + y²)^3)) / (x² + y²)
= (√(x² + y²) - y² / √(x² + y²)) / (x² + y²)
= (x² / √(x² + y²)) / (x² + y²)
= x² / (x² + y²)^(3/2)
The second-order partial derivatives of the function z = √(x² + y²) are:
∂²z/∂x² = y² / (x² + y²)^(3/2)
∂²z/∂y² = x² / (x² + y²)^(3/2)
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how many pattern block rhombuses would create 3 hexagons
9 block rhombuses would create 3 hexagons.
In order to increase the total number by three, a hexagon can be divided into a minimum of three rhombuses, each of which can be further divided into four rhombuses. With n being a positive integer, the result is 3n. The top two hexagons in this image are each divided into 8 and 10 rhombuses. The total number of rhombuses that can fit in a hexagon is not limited to multiples of three, given that the total number of rhombuses dividing a hexagon can be raised by three by quartering a single component rhombus. The amount might actually be any integer larger than 7.
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Problem 2. Joe has 7 shirts 4 pairs of pants and 2 pairs of shoes.He needs to make an outfit containing one of each item.How many different outfits are possible?
Answer:
56 different outfits
Step-by-step explanation:
Simplify and write your answer in the blank. Do not skip spaces. -|6-12|=
Answer:
Below
Step-by-step explanation:
-|6-12| = -|-6| = - 6
during a recent campaign for office, a candidate made a tour of a country that we assume lies in a plane. on the first day of the tour she went east, on the second day she went north, on the third day west, on the fourth day south, on the fifth day east, and so on. if the candidate went $n^2/2$ miles on the $n^{\text{th}}$ day of her tour, how many miles was she from her starting point at the end of the 40th day?
580 miles.
On the first day of the tour, she went = east
On the second day she went = north
On the third day = west
On the fourth day she went = south
On the fifth day she went = east
Miles was she from her starting point at the end of the 40th day =?
She was 580 miles from her starting point at the end of the 40th day.
Solution is given in the attached picture.
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Can anyone write this on paper and solve it for me..?
Please
1415 divided by 13
same number from the decimal gets repeated (i.e.108.846153846.......)
Sam the snail crawls at a rate of 2. 64 ft. /minute. What is Sam’s rate in miles per hour? State your answer to the nearest hundredth. (1 miles = 5280 feeet)
Sam the snail's rate is approximately 0.03 miles per hour.
To find Sam's rate in miles per hour, we need to convert his speed from feet per minute to miles per hour.
We know that 1 mile is equal to 5280 feet. First, we can convert Sam's speed from feet per minute to feet per hour by multiplying it by 60 since there are 60 minutes in an hour.
Therefore, Sam's speed in feet per hour is 2.64 ft/min * 60 min/hr = 158.4 ft/hr.
Next, we can convert Sam's speed from feet per hour to miles per hour. Since 1 mile is equal to 5280 feet, we can divide Sam's speed in feet per hour by 5280 to get his speed in miles per hour.
Therefore, Sam's speed in miles per hour is 158.4 ft/hr / 5280 ft/mi = 0.03 mi/hr.
Therefore, Sam the snail crawls at a rate of approximately 0.03 miles per hour.
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at the local college, a study found that students earned an average of 9.2 credit hours per semester. a sample of 138 students was taken. what is the best point estimate for the average number of credit hours per semester for all students at the local college?
The average number of credit hours per semester for all students at the local college is 9.2.
It is given that,
at the local college a study sound that students earned an average of 9.2 credit hours per semester.
⇒ x = 9.2 credit hours per semester
Therefore by the central limit theorem,
x = μ = 9.2 credit hours per semester
The central limit theorem states that the distribution of a sample variable approximates a normal distribution as the sample size becomes larger, assuming that all samples are identical in size, and regardless of the population's actual distribution shape.
Therefore the average number is 9.2 credit hours per semester for all students at the local college.
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What’s the answer to this question if your right I’ll keep giving you points
\(\huge\text{$m\angle O=\boxed{11^{\circ}}$}\)
Since we know that all angles in a triangle add up to \(180^{\circ}\), we can solve for \(x\) and substitute it back into \((x-5)^{\circ}\) to find \(m\angle O\).
\(\begin{aligned}m\angle N+m\angle O+m\angle P&=180\\(5x-8)+(x-5)+(6x+1)&=180\end{aligned}\)
Remove the parentheses and combine like terms.
\(\begin{aligned}5x-8+x-5+6x+1&=180\\(5x+x+6x)+(-8-5+1)&=180\\12x-12&=180\end{aligned}\)
Add \(12\) to both sides of the equation.
\(\begin{aligned}12x-12&=180\\12x&=192\end{aligned}\)
Divide both sides of the equation by \(12\).
\(\begin{aligned}x=16\end{aligned}\)
Now that we have the value of \(x\), we can substitute it back into \((x-5)^{\circ}\) to find \(m\angle O\).
\(\begin{aligned}m\angle O&=(x-5)\\&=16-5\\&=\boxed{11}\end{aligned}\)
A family drank 4 gallons of juice over 5 weeks. during this time period, at what rate did the family drink juice?
Answer:
Rate( family drink juice) = 0.1142 gallon juice per day
Step-by-step explanation:
Given:
Amount of juice drank by family = 4 gallon
Time taken by family = 5 week
Find:
Rate( family drink juice)
Computation:
Time taken by family (In days) = 5 x 7 days
Time taken by family (In days) = 35 days
Rate( family drink juice) = Amount of juice drank by family / Time taken by family (In days)
Rate( family drink juice) = 4 / 35
Rate( family drink juice) = 0.1142 gallon juice per day
A basketball is shot into the air. Its height is represented by the polynomial equation
h(t) = -162 + 35t + 5, where h is the height of the basketball at t seconds. What is
the height of the basketball at 1 second?
A) 56 feet
B) 24 feet
C) 14 feet
D) 8 feet
Answer:
B) 24 feet
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to RightAlgebra I
Functions
Function NotationStep-by-step explanation:
Step 1: Define
Identify given.
\(\displaystyle h(t) = -16t^2 + 35t + 5\)
Step 2: Find Height
Since we are trying to find the height of the basketball at 1 second, it implies that t = 1. Therefore, we can simply substitute t = 1 into our function:
\(\displaystyle\begin{aligned}h(1) & = -16(1)^2 + 35(1) + 5 \\& = -16(1) + 35(1) + 5 \\& = -16 + 35 + 5 \\& = \boxed{24} \\\end{aligned}\)
∴ the height of the basketball at 1 second is equal to 24 feet.
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---
Topic: Algebra I
What is the answer 18-7x=20.5
Answer:
x = -0.357143
Step-by-step explanation:
Step 1: Write equation
18 - 7x = 20.5
Step 2: Solve for x
Subtract 18 on both sides: -7x = 2.5
Divide both sides by -7: x = -0.357143
3. Find the midpoint of RS.
(1 point)
A 95% confidence interval of a population proportion has the limits of (62.1%,70.3%).
What is the margin of error?
the margin of error for this 95% confidence interval is 4.1%. This means that if we were to repeat the sampling process many times, 95%
The margin of error for a 95% confidence interval can be calculated using the formula:
Margin of error = (Upper limit - Lower limit) / 2
Substituting the given limits, we get:
Margin of error = (70.3% - 62.1%) / 2
Margin of error = 4.1%
Therefore, the margin of error for this 95% confidence interval is 4.1%. This means that if we were to repeat the sampling process many times, 95% of the intervals obtained would contain the true population proportion, within plus or minus 4.1% of the sample proportion.
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