Answer:To help read it step by step until you understand trust me you will get it!
Step-by-step explanation:
The total volume of the ice cream in and on top of the cone is (16/3)πd³.
What is a cone?It is a shape of a Christmas tree where there is a base of radius r and a top point called the apex.
The volume of a cone is 1/3 πr²h.
We have,
Volume of the hemisphere = 4 in³
The volume of ice cream.
= Volume of the hemisphere + Volume of the cone
= 4 + (1/3)π(d/2)²h
[ height = diameter ]
= 4 + (1/3) x π x d²/4 x d
= 4 + (1/3) x π x d³/4
= 4 + (4/3)πd³
= (16/3)πd³
Thus,
The volume of the ice cream is (16/3)πd³.
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-19 2/9 - 4 1/9 - (-3 4/9)
Answer:
= –179/9
or –19 ^8/9
Step-by-step explanation:
–19²/9 –4¹/9 –(–3⁴/9)
–(173/9) –37/9 + 31/9
=L.c.m = 9
–173–37+31/9
= –210+31/9
= –179/9
or –19 ^8/9
i hope i was able to helped
which needs to occur on a consistent basis and at regular intervals to determine whether execuatin of goals
Exercise needs to be consistent and done at regular times. The body can adjust more effectively and swiftly when there is consistency. Exercise should ideally be performed 3-5 times per week.
What is Exercise ?Exercise is any physical activity done to increase one's physical or mental fitness.
Exercise and physical activity not only aid to enhance physical health but also help to promote mental health.
A healthy mind follows from a healthy body.
By lowering body weight, frequent physical activity lowers the risk of developing serious conditions like heart attack, cardiovascular disease, diabetes, and high blood pressure. Regular exercise revitalizes the body and the mind.
Additionally, it raises energy levels, mood, and sleep quality.
Hence, Exercise must be performed consistently and at regular intervals. When there is consistency, the body can adjust more quickly and efficiently. The ideal number of times to exercise per week is three to five.
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How many baseballs are in the next picture in this pattern?
A. 64
B. 30
C. 32
D. 24
E. 25
does anyone know?? please help
Check the picture below.
while watching a basketball game of lakers in a cafe near l.a. live, you observe someone who is clearly supporting lakers in the game. what is the probability that they were actually born within 30 miles of l.a. downtown ?
The probability that the people came for the match live were born within 30 miles be, 0.197
Given, while watching a basketball game of lakers in a cafe near L.A live, we observe someone who is clearly supporting lakers in the game.
we have to find the probability that the person we observed born within 30 miles of L.A downtown.
As, the area of L.A downtown is 15.13 km².
1.6 km = 1 mile
2.56 km² = 1 miles
15.13 km² = 5.91 miles
Probability that the person was born within 30 miles be,
P = favorable area / total area
P =5.91/30
P = 0.197
Hence, the probability that the people came for the match live were born within 30 miles be, 0.197
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how many integers must a set s contain to be certain that at least 35 integers in s have the same remainder when divided by 4?
Set S should contain 137 number of integers so that at least 35 integers in S have same remainder when divided by 4.
What is pigeonhole principle?According to the pigeonhole principle in mathematics, at least one container must hold more than one item if n things are placed into m containers, where n > m. As an illustration, if one has three gloves (none of which are ambidextrous or reversible), at least two of them must be right-handed or left-handed as there are three items but only two categories of handedness to classify them into. It is possible to establish potentially surprising consequences using this seemingly obvious assertion, a type of counting argument.
Equating pigeonhole principle :Given: Set S = {}, least number of integers having same remainder when divided by 4=35
To find: Number of integers in set S so that at least 35 of the integers in set S have same remainder?As we know, any number when divided by 4 has following remainder = 0, 1, 2, 3.
Least number of integers having same remainder when divided by 4 = 35.
∴ Number of integers in set S = 35×4
= 140
but 3 is to be subtracted from 140 as it is the last different remainder after which the remainders repeat in manner 0, 1, 2 & 3.
∴ Total number of integers in set S = 140-3
= 137
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Colleen took out a $48,000 student loan with a fixed interest rate to pay for college. Colleen did not make payments on her loan for a period of 7 years. After this time period interest had accrued, resulting in the loan balance increasing to $78,000. a. What is is the 7-year growth factor for the amount that Colleen owes on the loan? Preview b. What is the 7-year percent change for the amount that Colleen owes on the loan? % Preview c. What is is the 1-year growth factor for the amount that Colleen owes on the loan? Preview d. What is the 1-year percent change for the amount that Colleen owes on the loan? % Preview Submit
a)The 7-year growth factor for the amount on the loan is $4285.71.
b) 7-year percentage change for the amount is 6.25%.
c) 1-year growth factor for the amount $612.244.
d) 1-year percent change for the amount is 0.894%.
a)We know very well that growth factor is ratio of difference of principal amount and loan amount to the time taken, or
Growth factor=(Final loan amount-Initial loan amount)/Total time
=>Growth factor=(78,000-48,000)/7
=>Growth factor=30,000/7=$4285.71
b)To find the percentage change in amount, we need to use initial loan amount and the difference between two amounts, or
percentage change=((78000-48000)/48000)×100
=>percentage change=[(30000)/48000)]×100
=>percentage change=300/48=6.25%
c)Now, we have already find the growth factor for 7 years, we need to find growth rate in 1 year. So, we use unitary method to find it
=>In 7 years growth factor is=$4285.71
∴In 1 years growth factor is=$4285.71/7=$612.244
d)In 7 years percentage change for the given amount is =6.25%
∴In 1 year percentage change for the given amount=6.25/7=0.894%
Hence, answers are a)$4285.71 b)6.25% c)$612.244 d)0.894%
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Find f (5)
quick can someone answer meee
Answer:
f (5) = 4
Step-by-step explanation:
First we need to find f(x)
To do this we can find the gradient of the line then plug it into the formula for an equation of a line.
using the points on the line, (3,0) (0,-6)
gradient, m :
[tex] \frac{y1 - y2}{x1 - x2} [/tex]
[tex] \frac{0 - ( - 6)}{3 - 0} = \frac{6}{3} = 2[/tex]
therefore the gradient was found to be 2.
Equation of a line:
y - y1 = m( x - x1)
y - 0 = 2( x - 3)
y = 2x - 6
Therefore the function of the line was found to be:
f(x) = 2x -6
so to find f(5) we substitute 5 in the place of x:
f(5) = 2(5) - 6
f(5) = 10 - 6
f(5) = 4
a researcher developing a regression equation to predict income (y) in thousands of dollars from age (x1) and educational status (x2) found a significant interaction between age and educational status (x3). educational status is a dummy variable with 0
A substantial interaction between age and educational status was discovered by a researcher who was creating a regression equation to predict income (y) in thousands of dollars from age (x1) and educational status (x2) (x3)
A dummy variable, educational status has the values 0 for no college degree and 1 for a college degree.
The regression formula is y = 0 + 1x1 + 2x2 + 3x1x2 where 0 is the intercept, 1 is the age regression coefficient, 2 is the educational status regression coefficient, and 3 is the regression coefficient for the interaction between age and educational status.
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Multiple Choice
1. Write the following ratio in simplest form: 32 min:36 min
08:9
08:36
032:9
128:144
The following ratio is the simplest form of 32 min: 36 min is 8: 9. The correct option is a.
What is the simplest ratio in maths?If two quantities of a ratio (i.e., antecedent and consequent) have no common factor (i.e., antecedent and consequent are co-prime), the ratio is said to be in its simplest form or in the lowest term.
The simplest form of the fraction is also known as the reduced form of a fraction. For instance, 34 is the simplest form of a fraction with a common component of one.
32/36 = 8:9. It is divided by 2.
Therefore, the correct option is a. 8:9.
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Answer:
The answer is D
Step-by-step explanation:
I hope it helps!
Estimate the solution to the system of equations. You can use the interactive graph below to find the solution. \begin{cases} y=-2x-5 \\\\ y=2x-2 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ y=−2x−5 y=2x−2
The solution to the system of equation (x, y) is -3/4 and -7/2
System of Linear EquationsThe system of linear equations is the set of two or more linear equations involving the same variables. Here, linear equations can be defined as the equations of the first order, i.e., the highest power of the variable is 1. Linear equations can have one variable, two variables, or three variables. Thus, we can write linear equations with n number of variables.
The equations given are
y = -2x - 5 ...eq(i)
y = 2x - 2 ..eq(ii)
Solving this equation,
x = -3/4, y = -7/2
Using a graph to solve this problem, the point of intersection (x, y) is the solution to the equation.
Kindly find attached graph below
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Augusto wants to prove to his parents that watching TV while he does his homework will help him get better grades. He decides to ask 20 of his friends if they watch while they do their
homework and what their grades are. He finds that his friends who have high grades also watch TV while they do their homework. He tells his parents that he has proven that watching TV
while doing homework will cause his grades to improve. What mistake has Augusto made? (6 points)
© He did not use a random sample, and he tried to show cause and effect with an observational study.
O He did not use random sample, and he tried to show cause and effect with an experiment.
© He did not separate his friends into different groups, and he didn't apply a treatment.
© He did not separate his friends into different groups, and he used survey to collect data.
Answer:
A. He did not use a random sample, and he tried to show cause and effect with an observational study
Hope this helps! : D
Step-by-step explanation:
8.
(08.05 MC)
Augusto wants to prove to his parents that watching TV while he does his homework will help him get better grades. He decides to ask 20 of his friends if they watch TV while they do their homework and what their grades are. He finds that his friends who have high grades also watch TV while they do their homework. He tells his parents that he has proven that watching TV while doing homework will cause his grades to improve. What mistake has Augusto made? (6 points)
Let A be the set of all statement forms in the three variables p, q, and r, and let R be the relation defined on A as follows.For all S and T in A, S R T ⇔ S and T have the same truth table.Prove that R is an equivalence relation. Show that it satisfies all the properties you selected in part (a), and submit your proof as a free response.
We have proved the statement that S≅W by 3 properties reflexive property, symmetric property, and transitive property.
Given that,
Let R be the relation defined on A as follows, and let A be the set of all statement forms in the three variables p, q, and r. S R T⇔ S and T have the same truth table for all S and T in A. substantiate the equivalence of R.
We have to demonstrate that it satisfies each of the properties you choose.
We know that,
By reflexive property,
S ≅ S means that S has the same truth table as S.
T≅ T denotes that T and T have the same truth table.
By symmetric property,
S ≅T denotes that S and T share the same truth table.
At that time, T and S share the same truth table.
So, T ≅ S
By transitive property,
S≅T and T≅V and V≅W
S shares a truth table with S. Truth table between T and T W's truth table is the same for V and V.
S, T, V, and W all have the same truth table as a result.
S specifically has the same truth table as W.
Then S≅T≅V≅W ---> S≅W
Therefore, We have proved the statement that S≅W by 3 properties reflexive property, symmetric property, and transitive property.
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A truck delivers 568 oranges to grocery stores each week. How many oranges will it deliver in 25 weeks?.
what would happen to the width of a confidence interval if the size of the population being sampled was doubled, from 25 million to 50 million?
50 million people instead of 25 million people make up the population. The degree of assurance is reduced from 95% to 90%.
What is confidence interval?
A confidence interval in frequentist statistics is a range of estimates for an unknown parameter. A confidence interval is calculated at a specified degree of confidence; the most popular level is 95%, but other levels, such 90% or 99%, are occasionally used.
Because the standard error is reduced as sample size increases, confidence intervals are narrower.
Therefore, we may state that when the population standard deviation rises, the width of the confidence interval will also rise.
Hence, 50 million people instead of 25 million people make up the population. The degree of assurance is reduced from 95% to 90%.
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A gym employee is paid monthly. After working for 3 months,he had earned $4,500. To determine how much money he will make over a six-month period,he created the table below.
1. If he continues to earn at the same rate, how much will he have earned after working 5 months?
2) After how many months will the gym employee have made $19,500?
3) Write an equation to represent the constant of proportionality.
1. The amount that the employee make in 5 months will be $7500.
2. The number of months that the gym employee have made $19,500 is 13 months.
3. The equation to represent the constant of proportionality is C = 1500m
What is the constant of proportionality?The constant of proportionality simply shows the ratio of two proportional values that possess a constant value.
Since after working for 3 months, he had earned $4,500. The amount per month will be:
= $4500 / 3
= $1500
The amount in 5 months will be:
= $1500 × 5
= $7500
The number of months that the gym employee have made $19,500 will be:
= $19500 / $1500
= 13 months.
The equation to represent the constant of proportionality is c = 1500m. In this case, c = total amount earned and m = number of months.
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a dog of this breed weighs 48 pounds. what is the dog's z-score? round your answer to the nearest hundredth as needed. z
If the dog has a z-score of -1.09, his weight is 48.46kg but if the dog has a z-score of 1.09, his weight is 61.54kg according to given standard deviation.
What is standard deviation?
Standard Deviation is a measure that shows what quantity variation (such as unfold, dispersion, spread,) from the mean exists. the quality deviation indicates a “typical” deviation from the mean. it's a well-liked live of variability as a result of it returns to the first units of live of the info set.
Main body:
The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:
z = x- υ/σ
Given that μ = 55, σ = 6;
For x = 49:
z = 49 - 55/6
z = -1
If the dog has a z-score of -1.09, his weight is:
-1.09 = x -55/6
x - 55 = -6.54
x = 48.46
If the dog has a z-score of 1.09, his weight is:
1.09 = x - 55/6
x -55 = 6.54
x = 61.54
Hence ,If the dog has a z-score of -1.09, his weight is 48.46kg but if the dog has a z-score of 1.09, his weight is 61.54kg
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1. Explain what a polygon is and how it is classified. Give more than one example to justify your answer.
2. What is a one-hundred sided polygon called? Why?
3. Tell whether the following is or is not a polygon and justify your answer:
Answer:
1. Polygons are flat figures formed by a closed polygonal line and its interior. Any plane figure that is made up of “straight sides” is a polygon.
2.A 100-sided polygon is called a hectogon, centagon or 100-gon. In general, any n-sided polygon with over 12 sides is called an n-gon. While there are other conventions for naming polygons with any number of sides, it is most common to use the n-gon form.
Step-by-step explanation:
#10 i need help with my math
Answer: √6 -8√5
or 15.43905
Step-by-step explanation:
find the equation of the line that contains the point (1,-1) and is perpendicular to the line x=4 write the line in slope intercept form
Hugo is going on vacation and taking his dog Pickles along. Pickles eats 4 cups of Hungry Hound dog food each day. Hugo wants to know how many days he can feed Pickles from a 24-cup bag of Hungry Hound. Which equation can Hugo use to find the number of days d he can feed Pickles from the bag.
The equation that Hugo can use to find the number of days d he can feed Pickles from the bag is 4d = 24.
Which equation can Hugo use to find the number of days?An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.
In this situation, Hugo is going on vacation and taking his dog Pickles along. Pickles eats 4 cups of Hungry Hound dog food each day. Hugo wants to know how many days he can feed Pickles from a 24-cup bag of Hungry Hound.
Therefore, the equation to illustrate this will be:
(4 × d) = 24
4d = 24
d = number of days
d = 24/4
d = 6
The number of days is 6.
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all problems concern the following wheel, which we shall call q. 1 4 16 64 (a) estimate the probabilities of the outcomes of q. (b) estimate the expected value of q. (c)
Probabilities of Q are 1,4, 16, 64 are 312 2 8181818 , E(Q)=20.88 and 12.5% information revealed. Wheel is spin twice 0.2815.
When we are not sure about the outcome we can make possible probabilities about the situation. Therefore, it is the maximum and possible chances of something to be happen.
Step 1
Angle of one complete spin = 360°
Q=16=90° Q=6490"
Q=4-450
Q=1=135°
Here
P(Q16) = P(Q= 64)
=90/36
=1/4
Step 2
Expected value E(Q) = xP(x) E(Q) = 1x+4x+16x+64 x2/8
Step 3
c)
We learn Q=4
P(Q=4)=1/8=0.125
12.5 % information is revealed.
Please refer to solution in this step.
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A survey of all beings on planet Boondin found that 75% preferred alaber juice to all other juices. If 12 beings were surveyed altogether, how many of them preferred alaber juice?
The number of people who preferred alaber juice is 9 people
How many of them preferred alaber juice?A percentage is a value or ratio that may be stated as a fraction of 100. If we need to calculate a percentage of a number, we should divide it's entirety and then multiply it by 100.
In this case, the survey of all beings on planet Boondin found that 75% preferred alaber juice to all other juices. If 12 beings were surveyed altogether
Those who preferred alaber juice will be:
= 75% × 12
= 0.75 × 12
= 9
The number of people is 9.
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problem 3.7. suppose integer polynomials p and q satisfy that p ( x)/ q ( x ) is an integer for infinitely many integer inputs x. does it follow that q ( x ) divides p ( x ) ?
Integer polynomials p and q fulfill that for an unlimited number of inputs of integers x, p (x)/q (x) is an integer. q (x) does not necessarily divide p. (x)
Sums of terms of the form k^xn, where k is any number and n is a positive integer, make up polynomials. For instance, the polynomial 3x+2x-5. a description of polynomials.This section covers the ideas of degree, standard form, monomial, binomial, and trinomial.
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a runner competed in a 5 mile run. how many yards did she run (1 mile =1760 yards)
Answer:8,800
Step-by-step explanation:
1760 times 5 = 8,800
Does someone know this ?
[tex]\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ V=8\pi \\ r=2 \end{cases}\implies 8\pi =\cfrac{\pi (2)^2 h}{3}\implies 8\pi =\cfrac{4h\pi }{3} \\\\\\ 24\pi =4h\pi \implies \cfrac{24\pi }{4\pi }=h\implies 6=h[/tex]
if a flock of 45 turkeys shows a constant growth rate of 2.3%, how many turkeys will be in the population after 10 years? show your work. how long would it take the flock of turkeys in the above problem to double in population?
By using the concept of growth, it can be calculated that
Number of turkeys after 10 years = 57
It took 10 years for the number of turkeys to double
What is growth?
Growth is the increase in the value of an asset or cost or population at a certain rate over a certain period of time.
Original number of turkeys = 45
Rate of growth = 2.3 %
Time = 10 years
Number of turkeys after 10 years = [tex]45 \times (1 + \frac{2.3}{100})^{10}[/tex]
= 57
Now,
New number of turkeys = 45 [tex]\times[/tex]2 = 90
[tex]90 = 45 \times (1 + \frac{2.3}{100})^n[/tex]
[tex](1 + \frac{2.3}{100})^n = \frac{90}{45}\\\\1.023^n = 2\\n\ ln (1.023) = ln( 2)\\n \times 0.023 = 0.693\\n = \frac{0.693}{0.023}\\n = 30.1 \ years[/tex]
It took 10 years for the number of turkeys to double
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A new movie streaming service opens and it charges a $9 sign up fee. Streaming 10 movies costs a total of $14, including the sign up fee.
Answer:
33 I guess I don't really know
Answer: ok expensive
Step-by-step explanation:
Veronica's birthday was coming up. Her mother bought six packages of cupcake mix. Each package could make 12 cupcakes. 24 people had planned to attend Veronica's party. How many cupcakes would be available for each guest?
Answer:
3 cupcakes per person
Step-by-step explanation:
first we need to find the total number of cupcakes so in order to do that we need to multiply the number of mixes and the number of cupcakes each mix would make so:
total number of cupcakes = 6 * 12 = 72
now we can divide it by the total number of people who attended the party so:
72/24 = 3 cupcakes per person
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Joan has a collection of quarters and nickels worth $2.50. There are 14 more nickels than quarters. How many coins of each type does Joan have?
Answer: 20 nickels and 6 quarters.
Step-by-step explanation:
Let q be equal to quarters and n be equal to nickels. We will write a system of equations to help us solve.
First, we know each quarter is $0.25 and each nickel is $0.05.
0.25q + 0.05n = 2.5
Next, we know there are 14 more nickels than quarters.
n = q + 14
We will plug the second equation into the first and solve.
0.25q + 0.05n = 2.5
0.25q + 0.05(q + 14) = 2.5
0.25q + 0.05q + 0.7 = 2.5
0.3q = 1.8
q = 6
Joan has 6 quarters. We know he has 14 more nickels than quarters, so we will use addition.
6 + 14 = 20 nickels