Answer:
8 More athletes play soccer than tennis
Step-by-step explanation:
what is the answer with work too please help is due 11:59
Step-by-step explanation:
So when it says ration from men to women is 4/5, men is 4 and women is 5.
You know that there are 60 men and you need to find the number of women.
The equation you would use is:
4 X ?= 60
then do ? X 5= the answer
Hope this helps.
Ethan was busying marshmallows for a family bonfire. Each bag of marshmallows was 250 g. If Ethan wanted to buy 3 kg of marshmallows. How many bags would he need to buy?
Answer:12
Step-by-step explanation: There is 1000g in one kilogram, so it takes four bags of marshmallows to get 1 kilogram. This means that you need 2 more kilograms which takes 8 bags. Therefore 12 bags of marshmallows.
Assume that a sample is used to estimate a population mean . Find the 99.5% confidence interval for a sample of size 353 with a mean of 75.7 and a standard deviation of 6.8. Enter your answer as a tri-linear inequality accurate to 3 decimal places.
The 99.5% confidence interval for a sample of size 353 with a mean of 75.7 and a standard deviation of 6.8 is: (74.94, 76.46)
Hope to calculate the valueTo calculate the confidence interval, we can use the following formula:
CI = x ± tα/2 * s / √n
In this case, the critical value of the t-distribution for a confidence level of 99.5% is 2.776. Plugging in the other values, we get the following confidence interval:
CI = 75.7 ± 2.776 * 6.8 / √353
CI = (74.94, 76.46)
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what is71 3/4 over 100 as a decimal
pls explain
Answer:
3 71/100 = 3.71
Step-by-step explanation:
To convert this mixed number (fraction) to a decimal just follow these two steps:
Step 1: divide numerator (71) by the denominator (100): 71 ÷ 100 = 0.71
Step 2: add this value to the the integer part: 3 + 0.71 = 3.71. So,
3 71/100 = 3.71
im not quite sure how to explain it, because im a very messy worker, but I got 71.75. If youre looking for someone to explain it, im not it lol.
(3x^2 + 3x + 3) - (x^2 + 2x + 3) =
Answer:
2 to the power of 2 +
Step-by-step explanation:
Distribute
Eliminate redundant parentheses
Subtract the numbers
Combine like terms
Combine like terms... again
Multiply by 1 = 2 to the power of 2 +
Answer:
(32+3+3)−1(2+2+3)(3x^{2}+3x+3)-1(x^{2}+2x+3)
(3x2+3x+3)−1(x2+2x+3)
Simplify
1
Distribute
(32+3+3)−1(2+2+3)(32+3+3)−12−2−32
Eliminate redundant parentheses
(323+3)−12−2−332+3+3−12−2−33
Subtract the numbers
32+3+3−2−2−332+3−12−24
Combine like terms
32+3−12−222+3−25
Combine like terms
22+3−222+16
Multiply by 1
Solution
22+
The volume of the cylinder is 13,665.28 cm³ and the height is 17 cm what is the radius
Answer:
V = π²h
r = √V/πh
r = √13,665.28cm³/(3.14)(17cm)
r =√13,665.28/53.38 cm
r = √256 cm
r = 16 cm
21/7 of 2 1/2 can you show example please
\(\huge\text{Hey there!}\)
\(\mathsf{\dfrac{21}{7}\ of\ 2\dfrac{1}{2}}\)
\(\mathsf{= \dfrac{21}{7}\times2\dfrac{1}{2}}\)
\(\mathsf{= \dfrac{21}{7}\times\dfrac{2\times2+1}{2}}\)
\(\mathsf{=\dfrac{21}{7}\times\dfrac{4 +1}{2}}\)
\(\mathsf{=\dfrac{21}{7}\times\dfrac{5}{2}}\)
\(\mathsf{=\dfrac{21\div7}{7\div7}\times\dfrac{5}{2}}\)
\(\mathsf{= \dfrac{3}{1}\times\dfrac{5}{2}}\)
\(\mathsf{= \dfrac{3\times5}{1\times2}}\)
\(\mathsf{= \dfrac{15}{2}}\)
\(\mathsf{\approx 7\dfrac{1}{2}}\)
\(\huge\textsf{Therefore, your answer should be:}\)
\(\huge\boxed{\frak{7 \dfrac{1}{2}}}\huge\checkmark\) \(\large\textsf{or even}\rightarrow\) \(\huge\boxed{\frak{\dfrac{15}{2}}}\huge\checkmark\)\(\uparrow\large\textsf{Either these should work because they are equal to each other.}\uparrow\)
\(\huge\text{Good luck on your assignment \& enjoy your day!}\)
) 65 people were asked on the activities they engage in during their free time. The results showed that 23 visit national parks, 26 engage in cycling while 22 engage in swimming. Furthermore 9 engage in swimming and visit national parks, 9 engage in swimming only while 11 visit national parks only. How many engage in
i. Swimming and cycling
Answer:
Step-by-step explanation:
i am working on the assumption that nobody does all three of them
i got 4 because including the people that do swimming and park, the total number of people that do swimming is 22.
the same logic goes for cycling: including the people that do swimming and visit the national park, the total is 23.
so that means that find how many people do swimming and cycling, we have to add the people doing only swimming, with the people doing both swimming and park and then subtract that answer from 22 which gives you 4
Mr. Smith and Mr. Stein were driving to a business meeting 140 miles from their office. Mr. Smith drove the first
miles, then Mr. Stein drove the rest of the way.
Write an algebraic expression for how many miles Mr. Stein drove
This represents the distance that Mr. Stein drove, given that Mr. Smith drove x miles. The value of x must be between 0 and 140, since Mr. Smith cannot drive more than 140 miles and less than 0 miles.
How to determine the algebraic expression?An algebraic expression is a combination of variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. It can be simplified, evaluated, or manipulated using algebraic rules and properties.
Let x be the number of miles Mr. Smith drove. Then, the number of miles Mr. Stein drove is \(140 - x\) , since they drove a total of 140 miles and Mr. Smith already drove x miles.
the algebraic expression for how many miles Mr. Stein drove is:
\(140 - x\)
Therefore, This represents the distance that Mr. Stein drove, given that Mr. Smith drove x miles. The value of x must be between 0 and 140, since Mr. Smith cannot drive more than 140 miles and less than 0 miles.
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Identify the transformation that occurs to create the graph of g(x). g(x)=f(x)-7
Answer:
g(x) is obtained by shift the function f(x) down 7 units by subtracting 7 units from f(x).
Step-by-step explanation:
We are given that
\(g(x)=f(x)-7\)
We have to identify the transformation that occurs to create the graph of g(x).
To identify the transformation that occurs to create the graph of g(x)
We will subtract the 7 from f(x).
Let f(x) be any function
\(g(x)=f(x)-k\)
It means g(x) obtained by shift the function f(x) down k units by subtracting k units from f(x).
Therefore, g(x) is obtained by shift the function f(x) down 7 units by subtracting 7 units from f(x).
a machinist is making a gear that will pull a chain at 60 ft/min when rotating at 40 rev/min. What should the radius of the gear be? Answer in inches.
The radius of the gear should be approximately 2.8644 inches.It is important to note that when making calculations involving units, we need to make sure that all units are consistent and convert them when necessary. In this case, we converted the answer from feet to inches to match the given unit.
To find the radius of the gear that will pull a chain at 60 ft/min when rotating at 40 rev/min, we can use the formula:
chain speed = 2 x pi x radius x rotational speed
where pi is a mathematical constant approximately equal to 3.14.
We know that the chain speed is 60 ft/min and the rotational speed is 40 rev/min, so we can substitute those values into the formula:
60 = 2 x 3.14 x radius x 40
Simplifying the equation, we get:
radius = 60 / (2 x 3.14 x 40)
radius = 0.2387 ft
To convert feet to inches, we can multiply the answer by 12:
radius = 0.2387 x 12 = 2.8644 inches.
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Choose the most appropriate measures to describe the center and the variation. Dot plot, titled Prices of Games, shows the price in dollars with the following values that appear as dots above the line. One dot above 28. Two dots above 30. Four dots above 32. Three dots above 34. Two dots above 36. One dot above 38. The most appropriate measure to describe the center is the . The most appropriate measure to describe the variation is the .
The most appropriate measure to describe the center is the Median, and the most appropriate measure to describe the variation is the range.
The most appropriate measure to describe the center of the data in the dot plot is the median. The median represents the middle value when the data is arranged in ascending or descending order. In this case, the median is the value that divides the data into two equal halves. As there are 13 values in total, the median will be the seventh value, which corresponds to the value with two dots above it, which is 32 dollars. Therefore, the median accurately represents the center of the data in this case.
The most appropriate measure to describe the variation of the data in the dot plot is the range. The range represents the difference between the maximum and minimum values in a dataset. In this case, the minimum value is 28 dollars (one dot above it) and the maximum value is 38 dollars (one dot above it). Therefore, the range is 38 - 28 = 10 dollars, which indicates the spread or variation of the data.
Hence, the most appropriate measure to describe the center is the median, and the most appropriate measure to describe the variation is the range.
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Is it true or false?
Answer:
False
Step-by-step explanation:
I'm pretty sure it's false, sry if it's not
Stacy performed an experiment in which she flipped a coin three times. The list below shows all the possible combinations of the outcome of the experiment.
HHH, HHT, HTH, HTT, THH, THT, TTH, TTT
Is Stacy more likely to flip a heads on the first try or flip a tails on the second two tries of the experiment?
A. Stacy is more likely to flip a tails on the second two tries of the experiment, because 4/8 > 2/8
B. Stacy is more likely to flip a heads on the first try of the experiment, because 6/8 > 4/8
C. Stacy is more likely to flip a tails on the second two tries of the experiment, because 6/8 > 4/8
D. Stacy is more likely to flip a heads on the first try of the experiment, because 6/8 > 4/8
Answer:
option A is the correct answer.
Step-by-step explanation:
Stacy is more likely to flip a tails on the second two tries of the experiment, because there are four possible outcomes with tails on the second two tries (HT, TT, HT, TT) out of a total of eight possible outcomes, which gives a probability of 4/8 or 1/2. On the other hand, there are only three possible outcomes with heads on the first try (H**, T**, H, T) out of a total of eight possible outcomes, which gives a probability of 3/8. Therefore, option A is the correct answer.
What is the solution to this system of equations?
4x-3y=26
3x+2y=11
A:(5,-2)
B:(-2,5)
C:(5,2)
D(8,2)
Answer:
Option A: (5,-2)
Step-by-step explanation:
4x - 3y = 26
3x + 2y = 11
from equ 1 make x the subject formular | equ means equation
4x - 3y = 26
4x = 26 + 3y
x = (26 + 3y)/4
Substitute x = (26 + 3y)/4 into equ 2
3((13+3y)/4) + y = 11
(39+17y)/4 + y = 11
39/4 + 17y/4 + y = 11
39/4 + 17y/4 = 11
17y/4 = 11 - 39/4
17y/4 = -17/2
17/4y/17/4 = -17/2/17/4
y = -2
Substitute y = -2 into equ 2
3x + 2y = 11
3x + 2(-2) = 11
3x - 4 = 11
3x = 11 + 4
3x = 15
3x/3 = 15/3
x = 5
(x,y) = (5,-2)
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the equation a=640 s gives the relationship between s square miles and a acres. Pam owns 4.5 square miles of farmland. how many acres does she own
Answer:
23
Step-by-step explanation:
im sorry i just want some points but look it up im sure youll figure it out !
Find the 13th term of the geometric sequence 4, −8, 16, ...
Answer:
Step-by-step explanation:
A large clock in a town square has a minute hand that is 10 feet long. Which value is the best estimate of
how many degrees the minute hand moves from 4:00 - 4:40?
Answer: 240 degrees
Step-by-step explanation: minute hand makes 360 degree circle in hour.
There is no influence for the length of hand in this case.
40 minutes is 2/3 hours. 2/3 ·360 degrees
10 Ten Atlas batteries were tested to find their average life. The times, in hours, that the batteries lasted were as follows: 10.8, 10.6, 11.4, 8.9, 10.1, 10.6, 9.9, 12.6, 10.5, 11.9. a Find, to the nearest tenth of an hour, the average life of the ten batteries. b Which of the following advertisements is more accurate? i Atlas batteries are guaranteed to last 10 hours. ii Atlas batteries have an average life of over 10 hours.
a) To find the average life of the ten batteries, we need to calculate the mean, which is the sum of all the values divided by the number of values.Sum of all values = 10.8 + 10.6 + 11.4 + 8.9 + 10.1 + 10.6 + 9.9 + 12.6 + 10.5 + 11.9 = 106.2
Number of values = 10
Average life = Sum of all values / Number of values = 106.3 / 10 ≈ 10.63
Therefore, the average life of the ten batteries, rounded to the nearest tenth of an hour, is approximately 10.6 hours.
b) Comparing the two advertisements:
i) The first advertisement claims that Atlas batteries are guaranteed to last 10 hours. This means that all Atlas batteries are expected to last at least 10 hours. However, based on the data provided, we can see that the average life of the batteries is approximately 10.6 hours, which is higher than the guaranteed 10-hour minimum
ii) The second advertisement claims that Atlas batteries have an average life of over 10 hours. This statement aligns with the data we have, as the average life of the batteries is indeed over 10 hours.
Based on the information provided, the second advertisement claiming that Atlas batteries have an average life of over 10 hours is more accurate, as the average life calculated from the given data is 10.6 hours.
In summary, the average life of the ten batteries is approximately 10.6 hours, and the second advertisement stating an average life of over 10 hours is more accurate based on the data provided.
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Plane A was flying at an altitude of 8 km and Plane B was flying at an altitude of 700 dam. Which plane was flying at a greater altitude?
Answer:
Step-by-step explanation:
1 km= 1000 m
1 dam= 10 m
8 km= 8000m
700 dam = 7000m
so Plane A
plane A is higher by 700m!
hope it helped!
Plane A flying with greater altitude
What is Unit conversion?Unit conversion is a process with multiple steps that involves multiplication or division by a numerical factor or, particularly a conversion factor. The process may also require selection of the correct number of significant digits, and rounding. Different units of conversion are used to measure different parameters.
Given:
plane A= 8 km
plane B= 700 dam
Now,
1 km= 1000 m
1 dam= 10 m
So,
8 km= 8000m
700 dam = 7000m
Hence, Plane A is flying higher.
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Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.
x = 2√5y , x = 0, y = 3 about the y-axis.
v = ___?
The volume of the solid obtained by rotating the region between the curves x = 2√5y, x = 0, and y = 3 about the y-axis is 36π cubic units.
In calculus, finding the volume of a solid obtained by rotating a region about a line is an important topic. It involves using integration to calculate the volume of the solid.
To find the volume of the solid, we need to use the method of cylindrical shells. This involves taking thin slices of the solid perpendicular to the axis of rotation, finding their volume, and adding them up to get the total volume.
The first step is to sketch the region and the axis of rotation. In this case, the region is bounded by the curves x = 2√5y, x = 0, and y = 3, and the axis of rotation is the y-axis.
Next, we need to express the curves in terms of y. We can rewrite the equation x = 2√5y as y = x²/(20), and since the region is bounded by x = 0 and y = 3, the limits of integration are y = 0 and y = 3.
Now we can set up the integral for the volume using the formula for cylindrical shells:
V = 2π ∫(y)(f(y))dy from a to b,
where f(y) is the distance from the axis of rotation to the curve at a given value of y, and a and b are the limits of integration.
In this case, f(y) is simply the x-coordinate of the curve, which is x = 2√5y. Therefore, we have:
V = 2π ∫(y)(2√5y)dy from 0 to 3
Simplifying and evaluating the integral, we get:
V = 36π
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Henry's savings account has an APR of 3.65%, calculates interest daily, and
pays interest at the end of the month. If during the month of November, his
balance was $300 for the first 10 days of the month, $1200 for the next 10
days of the month, and $800 for the last 10 days of the month, how much
total interest did Henry earn in November?
choose the answer that best describes the graph.
the train travels 558 miles in 3 hours. At this rate, how far does the train travel?
b) per 2.5 hours?
Answer:
186 mph
Step-by-step explanation:
Miles per hour means miles divided by hour(s), so 558/3 is 186 miles per hour.
Answer:
186 mph in 3 hours, 232.2 in 2.5 hours.
Step-by-step explanation:
You divide the miles by hours, for example, 100 miles in 5 hours, said person would be going 20mph. Hopefully this helps, have a good day, good luck with whatever youre doing !!
pls solve this i got qurintined and have lots of work 2 do
Answer:
No Solution
Step-by-step explanation:
perimeter
2√6 - √15 = 4.9-3.9 = 1
-3√3 = -5.19 you can't have a negative length.
and because of that the answer is no solution to both perimeter and area.
if the teacher was just oddly trying to have you show what you know
P = 1+1+ -5.2 - 5.2 = -8.2
A 1x -5.2 = -5.2
3
Find the lateral surface area of the rectangular prism in centimeters.
A
28 cm2
B)
36 cm2
42 cm2
D
48 cm
3
lol
Answer:
B.) 36cm2
Step-by-step explanation: I just did it and got it right
What is 9 divided by 5x8?
Answer:
The answer is \(\frac{9}{40}\) or 0.225
Answer:
well 5X8= 40 and 9 divided by 40= 4.4444444444444444444444444444444
Step-by-step explanation:
Hope that this has helped you out! :)
PLEASE HELP !!!!! ASAP PLEASE !!!! IM BEGGING LOL !!!!
Step-by-step explanation:
Hey there!
From the given figure;
Angle ABE = 90°.
And angle ABC= [(3x+7)° + (5x+11)°].
Now, Angle ABE + Angle ABC= 180° [Being linear pair].
or, 90° + (3x+7)° + (5x+11)°= 180°
or, (3x+7)° + (5x+11)°= 90°
or, 8x + 18° =90°
or, 8x = 90°-18°
or, X = 9°
Therefore, X= 9°.
Now,
Angle DBC = (5*9+11)°
= 56°
Therefore, the measure of angle DBC is 56°.
Hope it helps!
\(\huge\bold{To\:find:}\)
✎ The measure of ∠ DBC.
\(\large\mathfrak{{\pmb{\underline{\orange{Solution}}{\orange{:}}}}}\)
\(\sf\purple{The\:measure\:of\:∠DBC\:is\:56°. }\)
\(\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\orange{:}}}}}\)
Since it is right-angle,
\(Sum \: of \: angles \: = 90° \\ ⇢ (3x + 7)° + (5x + 11) ° = 90° \\ ⇢3x° + 7° + 5x° + 11° = 90° \\combining \: the \: like \: terms, \: we \: have \\ ⇢3x° + 5x° + 7° + 11° = 90° \\ ⇢8x° = 90° - 18° \\ ⇢8x° = 72° \\ ⇢x° = \frac{72°}{8} \\ ⇢x° = 9°\)
Substituting the value of \(x°\) in ∠ DBC, we have
\((5x + 11) °\\ = 5 \times 9° + 11 °\\ = 45° + 11° \\ = 56°\)
\(\sf\blue{Therefore,\:the\:measure\:of\:∠DBC\:is\:56°.}\)
\(\huge\bold{To\:verify :}\)
\((3x + 7) ° + (5x + 11)° = 90° \\ \: ➡ \: (3 \times 9 + 7)° + (5 \times 9 + 11)° = 90° \\ ➡ \: 34° + 56° = 90° \\ ➡ \: 90° = 90° \\ ➡ \: L.H.S.=R. H. S\)
Hence verified.
\(\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘\)
what are the elements found in both a narrative and a story
The theme is the underlying message, lesson, or central idea conveyed by the narrative or story.
Both a narrative and a story share several common elements that contribute to their structure and presentation. These elements include characters, setting, plot, conflict, and theme.
Characters are essential components of both narratives and stories. They are the individuals or entities that drive the events and experiences within the narrative or story. The setting is the time and place in which the events occur and provide the context for the story.
The plot refers to the sequence of events that unfold and create a structure for the narrative or story. Conflict represents the central problem or challenge faced by the characters and is often a driving force behind the plot's progression.
These shared elements create a framework for both narratives and stories, enabling the development and communication of experiences, ideas, and emotions to the audience. They contribute to the engagement, coherence, and impact of the narrative or story, regardless of the medium or genre in which they are presented.
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The value of X is/are...
Answer:
-6, -3/4
Step-by-step explanation:
The denominator of a fraction cannot equal zero because if this were the case, the fraction would be undefined.