We have to divide 300 degrees by 40 minutes. The result is -7.5 degrees per minute. The equivalent mixed number is -7 1/2 which is option B.
The students in Mrs. Barnett's first-grade class sit down in a circle for show-and-tell. The circle they form has a diameter of 4 meters. What is the circle's radius?
Answer:
Step-by-step explanation:
If the diameter is 4 meters, then the radius has to be 2 because the radius is half of the diameter.
The population of fish in a pond in relation to the number of years since stocking is depicted on a graph. For the first few years after the pond is stocked, the population grows slowly. It increases more quickly as the fish reproduce, then it levels off. A pollutant kills off almost all of the fish 20 years after stocking. The population begins to grow again when the remaining fish reproduce. Which graph depicts the situation described above?
Answer:
Graph a
Step-by-step explanation:
the slope is proportional to the data
Graph A depicts the situation described above. Thus, option A is correct.
What is a graph?The link across lines as well as points is described by a graph, which is a mathematical description of a connection. A graph is made up of certain points and connecting lines. It doesn't matter how long the lines are or where the terminals are located.
The population of fish in a pond grows slowly for the first few years after it is stocked, then levels off. A pollutant kills off almost all of the fish 20 years after stocking, then the population begins to grow again when the remaining fish reproduce which is represented in graph A.
If every pair of datasets is connected in the same fashion, by multiplying by a factor, then the connection is proportional. The slope of a line is the slope of the regression. Like the ratio constant, this slope shows how rapidly a quantity is rising or falling.
Therefore, option A is the correct option.
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Your friend was bored one day and started making patterns using Cheerios from a new box he had opened. He laid the Cheerios on the table as such:
Based on the two images above and the information about the box, answer the following questions.
A) Identify and label the variable
B) Make a table for up to 8-figure patterns
C) Write an equation to represent the nth term of the sequence.
D) If the pattern continues, what figure number will have 20 whole Cheerios in it?
E) Is it reasonable to think this pattern would continue forever? If not, explain.
F) Based on the information provided, what is the largest figure number we can have using a full box of Cheerios?
PLS ANSWER ALL OF THE QUESTIONSSS I REALLY NEED THE ANSWERS ASAPPPPPPP PLEASE AND THANK YOU
A) The variable is n, which represents the number of the figure in the pattern.
B) Here is a table for up to 8-figure patterns:
Figure Number of Cheerios
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
C) The equation to represent the nth term of the sequence is n(n+1)/2.
D) If the pattern continues, the figure number that will have 20 whole Cheerios in it is 12.
E) It is not reasonable to think this pattern would continue forever. The number of Cheerios in each figure is increasing by 2 each time. This means that the number of Cheerios in the figure will eventually exceed the number of Cheerios in a box.
F) Based on the information provided, the largest figure number we can have using a full box of Cheerios is 107. This is because there are 108 Cheerios in a box, and the number of Cheerios in each figure is increasing by 2 each time.
Here is a more detailed explanation of how to answer each question:
A) Identify and label the variable
The variable is n, which represents the number of the figure in the pattern. For example, the first figure is figure 1, the second figure is figure 2, and so on.
B) Make a table for up to 8-figure patterns
Here is a table for up to 8-figure patterns:
Figure Number of Cheerios
1 1
2 3
3 6
4 10
5 15
6 21
7 28
8 36
C) Write an equation to represent the nth term of the sequence
The equation to represent the nth term of the sequence is n(n+1)/2. This equation can be derived by looking at the table of values. For example, the number of Cheerios in the first figure is 1, which is equal to 1(1+1)/2. The number of Cheerios in the second figure is 3, which is equal to 2(2+1)/2. And so on.
D) If the pattern continues, what figure number will have 20 whole Cheerios in it?
If the pattern continues, the figure number that will have 20 whole Cheerios in it is 12. This can be found by solving the equation n(n+1)/2 = 20. The solution is n = 12.
E) Is it reasonable to think this pattern would continue forever? If not, explain.
It is not reasonable to think this pattern would continue forever. The number of Cheerios in each figure is increasing by 2 each time. This means that the number of Cheerios in the figure will eventually exceed the number of Cheerios in a box.
F) Based on the information provided, what is the largest figure number we can have using a full box of Cheerios?
Based on the information provided, the largest figure number we can have using a full box of Cheerios is 107. This is because there are 108 Cheerios in a box, and the number of Cheerios in each figure is increasing by 2 each time.
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A contractor has estimated that the minimum number of days to remodel a bathroom for a client is 10 days. He also estimates that 80% of similar jobs are completed within 18 days. If the remodeling time is uniformly distributed, what should be the parameters of the uniform distribution
The parameters for the uniform distribution should be of a = 10 and b = 20.
What is the uniform probability distribution?It is a distribution with two bounds, a and b, in which each outcome is equally as likely.
The probability of finding a value of at lower than x is:
\(P(X < x) = \frac{x - a}{b - a}\)
In this problem, a contractor has estimated that the minimum number of days to remodel a bathroom for a client is 10 days, hence the lower bound is of a = 10.
He also estimates that 80% of similar jobs are completed within 18 days, hene P(X < 18) = 0.8, thus the upper bound is given by:
\(P(X < x) = \frac{x - a}{b - a}\)
\(0.8 = \frac{18 - 10}{b - 10}\)
\(0.8b - 8 = 8\)
\(0.8b = 16\)
\(b = \frac{16}{0.8}\)
\(b = 20\)
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Answer the questions
For Critters and Co is 7.5, Little Paws is 8.75 and Wagging rail is 8.5
What is Slope of Line?The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.
The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.
The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is
m=y₂-y₁/x₂-x₁
For Critters and Co
(2, 15) and (4, 30)
m=15/2=7.5
Now let us find y intercept
15=15/2(2)+b
b=0
The equation is y=15/2x
For Little Paws
m=52.5-35/6-4
m=17.5/2=8.75
Now let us find y intercept
35=17.5/2(4)+b
35=35+b
b=0
y=17.5/2x is the equation for Little Paws
For Wagging rail
y=8.5x
Hence, For Critters and Co is 7.5, Little Paws is 8.75 and Wagging rail is 8.5
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(a) Select each constant that is definitely positive.
(b) Select each constant that is definitely between 0 and 1.
(c) Select each constant that could be between 0 and 1 or is definitely between 0 and 1.
(d) Which two of these constants are definitely equal?
(e) Which one of the following pairs of constants could be equal?
The variable which is always positive will be a, b, c, d, p, and q. The constant that lies between 0 to 1 will be 'b'. And the two constants that are definitely equal will be 'a' and 'c'.
What is an exponent?Let 'a' is the leading coefficient and 'b' is the factor.
The exponent is given as,
y = a(b)ˣ
Some points regarding the exponent function:
If the value of 'b' is greater than one, then the graph will be increasing in nature.If the value of 'b' is less than one, then the graph will be decreasing in nature.If the value of 'b' is equal to one, then the graph will be constant in nature.If 'a' is positive, the graph will be above the line.If 'a' is negative, the graph will be below the line.If 'a' is the same for two exponent equations, then the graph has the same y-intercept.The variable which is always positive will be a, b, c, d, p, and q. The constant that lies between 0 to 1 will be 'b'. And the two constants that are definitely equal will be 'a' and 'c'.
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The town librarian bought a combination of new-release movies on DVD for $20 and classic movies on DVD for $8.
Let x represent the number of new releases, and let y represent the number of classics. If the librarian had a budget
of $500 and wanted to purchase as many DVDs as possible, which values of x and y could represent the number of
new-release and classic movies bought?
Answer:
16 new releases and 22 classic movies.
Select the correct answer.
Which expression is equivalent to the given expression?
2x² - 14x +24
A. (2x - 12)(x - 2)
B. 2(x - 3)(x - 4)
C. 2(x - 8)(x + 3)
D. 2(x - 5)(x - 2)
Answer: B. 2(x - 3)(x - 4)
Step-by-step explanation:
The base of a triangle is shrinking at a rate of 5 cm/s and the height of the triangle is increasing at a rate of 9 cm/s. Find the rate at which the area of the triangle changes when the height is 12 cm and the base is 4 cm.
Provide your answer below:
The rate of change of the area of the triangle is ___ cm²/s.
Answer:
Step-by-step explanation
Area of a triangle
A = ½bh
dA/dt = ½(b(dh/dt) + h(db/dt)
dA/dt = ½(4(9) + 12(-5))
dA/dt = ½(36 - 60)
dA/dt = ½(-24)
dA/dt = -12 cm²/s
The rate of change of the area of the triangle is \(-12 cm^2/s\).
The measurement that expresses the size of a region on a plane or curved surface is called area. Surface area refers to an area of an open surface or even the boundary of a three-dimensional object, whereas the area of a plane region as well as plane area refers to a area of a shape or planar lamina. Area can be interpreted as the quantity of material with a specific thickness required to create a model of the shape or as the quantity of paint required to completely cover a surface in a single coat. It is the two-dimensional equivalent of a curve's length.
A shape's area can be calculated by contrasting it with squares of a known size.
\(\frac{\mathrm{d} b(t)}{\mathrm{d} t}=-5cm/s\)
\(\frac{\mathrm{d} h(t)}{\mathrm{d} t}=9 cm/s\)
\(\frac{\mathrm{d}A }{\mathrm{d} t}=\frac{1}{2}\left (b\frac{\mathrm{d} h}{\mathrm{d} t} +h\frac{\mathrm{d} b}{\mathrm{d} t}\right )\)
\(\frac{\mathrm{d} A}{\mathrm{d} t}=-12 cm^{2}/s\)
Hence, The rate of change of the area of the triangle is \(-12 cm^2/s\).
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What is the equation of the line that passes through (-3,-1) and has a slope of 3/5? Put your answer in slope-intercept form.
a) y= 3/5 x + 4/5 b) y= 3/5 x- 4/5 c) y= -3/5 x - 4/5
Answer:
y = 3/5x + 4/5 (1st Option)
Step-by-step explanation:
Step 1: Write known variables
m = 3/5
y = 3/5x + b
Step 2: Find b
-1 = 3/5(-3) + b
-1 = -9/5 + b
b = 4/5
Step 3: Rewrite equation
y = 3/5x + 4/5
Answer:
in short it's y = 3/5x + 4/5
good luck!
-Rainbow Dash
If I was getting food stamps and I needed three months proof of income and I had to have a gross of 2495 and net of 1920 what would I need to put for the three months income amount?
Answer:
26
Step-by-step explanation:
10 + 15
Answer:
Step-by-step explanation:
yes you would. they are very strict with food stamps or EBT card they will still ask for the 3 months for so put in your 3 months and you should be fine.
Point P has coordinates (2,5), after a translation, the coordinate of its image p' are (4,1) which of the following best describes the translation
Answer:
can you show me the graph?
Step-by-step explanation:
Penelope goes out to lunch. The bill, before tax and tip, was $16.05. A sales tax of 3% was added on. Penelope tipped 18% on the amount after the sales tax was added. How much tip did she leave? Round to the nearest cent.
Answer:
2.98
Step-by-step explanation:
First find 3% of 16.05 which is 0.48.
Then add 0.48 to 16.05 which is 16.53.
Then multiply .18 by 16.53 which gets you 2.98
Hope it helps
Answer:
To find the amount of the sales tax, we need to multiply the bill amount by the tax rate of 3% or 0.03:
Sales tax = 0.03 x $16.05 = $0.48
To find the total amount of the bill after the sales tax was added, we need to add the bill amount to the sales tax:
Total bill = $16.05 + $0.48 = $16.53
To find the amount of the tip, we need to calculate 18% of the total bill after the sales tax was added:
Tip = 0.18 x $16.53 = $2.98
Rounding to the nearest cent, Penelope left a tip of $2.98.
Step-by-step explanation:
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Need Kona talaga para bukas please
Answer:8
Step-by-step explanation:
Find the equation for the line that passes through (-1, 10) that has slope 5/7. You do not need to simplify.
Give your answer in point-slope
Answer:
y = (5/7)x + (75/7)
Step-by-step explanation:
If you ever find yourself in a math class where you have to write the equation of a line that goes through a certain point and has a certain slope, don't panic. There is a simple formula that can help you out. It's called the point-slope form and it looks like this:
y - y1 = m (x - x1)
It may look scary, but it's actually pretty easy to use. All you have to do is plug in the values that you know and solve for the ones that you don't. For example, let's say you have a line that passes through the point (-1, 10) and has a slope of 5/7. You can use the point-slope form to write the equation of the line like this:
y - 10 = (5/7) (x - (-1))
See? That wasn't so bad. Now you can simplify the equation by distributing the 5/7 and adding 10 to both sides. You get:
y = (5/7)x + (75/7)
And that's it! You have written the equation of the line in slope-intercept form, which is another way of writing the equation of a line. You can check your answer by plugging in the values of x and y from the original point and seeing if they make the equation true. If they do, you're good to go. If not, you made a mistake somewhere and you should go back and fix it.
Congratulations! You have learned how to use the point-slope form to write the equation of a line. Now you can impress your math teacher and your friends with your skills. Remember, with great power comes great responsibility.
✧☆*: .。. That's all folks, have fun with math! (✧ω✧) .。.:*☆✧
Does the expression x^3-1 divided by x^2 -1 simplify to x?
No, the expression (x^3 - 1) / (x^2 - 1) does not simplify to x.
To simplify the expression, let's first factorize both the numerator and denominator.
The numerator can be factorized using the difference of cubes formula: a^3 - b^3 = (a - b)(a^2 + ab + b^2). So, we have (x^3 - 1) = (x - 1)(x^2 + x + 1).
The denominator is a difference of squares: a^2 - b^2 = (a - b)(a + b). Therefore, (x^2 - 1) = (x - 1)(x + 1).
Now, we can simplify the expression by canceling out the common factors in the numerator and denominator:
[(x - 1)(x^2 + x + 1)] / [(x - 1)(x + 1)]
The (x - 1) terms cancel out, leaving us with:
x^2 + x + 1 / (x + 1)
So, the simplified form of the expression is (x^2 + x + 1) / (x + 1), which is not equal to x.
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Ms.wolf has 9.5 pounds of candy in her classroom. she gives each student 0.25 pounds of candy. how many students can she feed
Answer:
9.5÷0.25=38
So she can feed 38 students.
Question 11
Exit Ticket - This Thanksgiving, Grandma is looking for a DEAL on pies.
She knows that her family would eat either sweet potato pie or pumpkin pie. She has to make a
choice of buying pies. Which is better a better deal for Grandma?
A. 5 Sweet Potato Pies for $15.65
B. 6 Pumpkin Pies for $23.50
Answer:
A
Step-by-step explanation:
Because the cost per pie is less.
Stanley walks a round-trip of 1.75 miles to work every day. How many miles will he walk in 5.5 days
A. 9.625 miles
B. 96.25 miles
C. 962.5 miles
D. 9625 miles
Multiply miles per day by number of days
5.5 x 1.75 = 9.625
answer: A. 9.625 miles
Find the sum! Help I don’t kno
The workers' union at a particular university is quite strong. About 96 of all workers employed by the university belong to the workers' union. Recently, the workers went on strike, and now a local TV station plans to interview 4 workers (chosen at random) at the university to get their opinions on the strike. What is the probability that exactly 2 of the workers interviewed are union members?
The probability that exactly 2 of the workers interviewed are union members is approximately 0.044.
To solve this problem, we can use the binomial probability formula, which is:
\(P(X = k) = (n choose k) * p^k * (1 - p)^(n - k)\)
where:
n is the sample size (number of workers being interviewed)
k is the number of successes we are interested in (in this case, 2 of the workers being union members)
p is the probability of success (in this case, the probability that a worker is a union member)
(n choose k) is the binomial coefficient, which represents the number of ways to choose k items from a set of n items (this can be calculated using the formula n! / (k! * (n - k)!))
Plugging in the values, we get:
\(P(X = 2) = (4 choose 2) * (0.96)^2 * (1 - 0.96)^(4 - 2)\)
\(= (6) * (0.96)^2 * (0.04)^2\)
= 0.04403136
Therefore, the probability that exactly 2 of the workers interviewed are union members is approximately 0.044.
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Suppose that the functions fand g are defined as follows.
f(x)=(4+x)(6+x)
g(x) = 1+x
Find (f/g)(-5)
Find all values that are NOT in the domain of f/g
(f/g)(-5) is equal to 1/4, and the value -1 is not in the domain of f/g.
To find (f/g)(-5), we need to substitute -5 into the functions f(x) and g(x) and then divide f(-5) by g(-5).
Given:
f(x) = (4+x)(6+x)
g(x) = 1+x
Substituting -5 into the functions:
f(-5) = (4+(-5))(6+(-5)) = (-1)(1) = -1
g(-5) = 1+(-5) = -4
Now, we can calculate (f/g)(-5):
(f/g)(-5) = f(-5) / g(-5) = -1 / -4 = 1/4
Therefore, (f/g)(-5) equals 1/4.
Now let's determine the values that are not in the domain of f/g. The values that are not in the domain of f/g are the values that make the denominator g(x) equal to zero. In this case, the denominator is g(x) = 1+x.
To find the values that make the denominator zero, we solve the equation:
1 + x = 0
Subtracting 1 from both sides, we get:
x = -1
So, the value x = -1 is not in the domain of f/g because it would make the denominator equal to zero.
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Suppose a turtle walks 3/8 of a mile in 50 minutes
What is the unit rate when the turtle’s speed is expressed in miles per hour (mph)?
A) 3/20 mph
B) 5/20 mph
C) 7/20 mph
D) 9/20 mph
Answer:
I'm not really sure but I want to say A) 3/20
45 POINTS TO WHO EVER CAN SOLVE THIS QUESTION
Answer:
Step-by-step explanation:
for 5 it is the blues
Answer:
D is the answer
Step-by-step explanation:
Sam signed up for a program that costs $12.50 per month to stream movies to her computer. She decided to cancel her service after 3/5 month. She only has to pay for the amount of time she used the service. How much does she owe?
Answer:
7.50
Step-by-step explanation:
7.50
(Giving brainliest to correct answer)
Congruence
Answer:
Triangle KLM
Step-by-step explanation:
The measurements of the sides of triangle KLM and ABC match up
Answer:
the answer is MLK because MLK and ABC are the same size
What is 3 5/6 - 1 1/3 as a mixed number in simplest form
Answer:
Answer:
=423=423
Solution
Converting to a mixed number using long division with remainders for 14 ÷ 3.
14÷3=4R214÷3=4R2
Therefore:
143=423
Answer:
First, we need to convert the mixed fractions to improper fractions. You do this by multiplying each integer by the appropriate form of
1
and then adding the result to the fraction portion of the mixed fraction.
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Step-by-step explanation:
Good wala morning
Sam has $3.30 in quarters and dimes, and the total number of coins is 18. How many quarters and how many dimes?
Answer:
Quarters: 10
Dimes: 8
Step-by-step explanation:
Constraints
value: 0.25q + 0.10d = 3.30
count: q + d = 18
q = 18 - d
0.25(18-d) + 0.10d = 3.30
4.50-0.25d+0.10d = 3.30
4.50-0.15d = 3.30
-0.15d = -1.20
d = 8
q + d = 18
q + 8 = 18
q = 10
Check:
0.25(10) + 0.10(8) = 3.30
2.5+ 0.80 = 3.30
3.30 = 3.30
What happens at equilibrium price and quanity? 1.The quantity supplied equals the quantity demanded.
2.The price demanded equals the price supplied.
3.The priced demanded equals the quantity supplied.
4.The quantity supplied equals the price demanded.
Answer:
Step-by-step explanation:
At equilibrium price and quantity, the answer is 1. The quantity supplied equals the quantity demanded.
This means that the market is in a state of balance, where the quantity of a good or service that producers are willing to supply is exactly the same as the quantity that consumers are willing to buy. As a result, there is no excess supply or excess demand, and the price of the good or service is stable.
september 11 a recent study asked u.s. adults to name 10 historic events that occurred in their lifetime that have had the greatest impact on the country. the most frequently chosen answer was the september 11, 2001, terrorist attacks, which was included by 76% of the 2025 randomly selected u.s. adults. construct and interpret a 95% confidence interval for the proportion of all u.s. adults who would include the 9/11 attacks on their list of 10 historic events.
We are 95% confident that the true population proportion is between 71.6% and 80.4%
The 95% confidence interval for the proportion of all U.S. grown people who would include those on their list of 10 historic events can be constructed using the formula:
\(CI = pi ± z*(SE)\)Where:
\(pi\) = sample proportion (76%)
SE = standard error (square root of \(pi(1-pi)/n\))
z = the critical value for a 95% confidence level (1.96)
n = sample size (2025)
Plugging in the values, we get:
\(SE =\sqrt{(0.76(1-0.76)/2025)} = 0.0240\\CI = 0.76 ± (1.96)(0.0240) = (0.716, 0.804)\)
The 95% confidence interval can be interpreted as follows: If we repeated this study many times, 95% of the intervals constructed would contain the true population proportion of all U.S. grown persons who would include on their list of 10 historic events. Based on this sample, we are 95% confident that the true population proportion is between 71.6% and 80.4%.
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