Answer:
In this case the population of interest is the set of all men aged 30 to 87.
In this case the sample is the set of 25,892 men aged 30 to 87.
Step-by-step explanation:
A population is the set of all the data that can be collected and from which a smaller set of data is drawn for further examination. A population may denote to a group of individuals, articles, trials or measurements. A population can thus be called as a collection of information regarding subjects combined together by a common characteristic.
In this case the population of interest is the set of all men aged 30 to 87.
A sample denotes a smaller, controllable form of a larger cluster. It is a subset comprising of the characteristics of a bigger population. Samples are used in statistical experiments when the population under consideration is too large for the test to include all the members.
In this case the sample is the set of 25,892 men aged 30 to 87.
Javier bought a microwave for $105. The cost was 30% off the original price. What was the price of the microwave before the sale.
Answer:
I believe it is about $150
Help me please I don’t get it I put false and my teacher said it’s wrong
ur teacher is wrong im in algebra 2 an this is correct
Es un juego de futbol de salon se vendieron 12000 boletos. El precio de los boletos es de $25.00 en la seccion numerada y $15.00 en la general. Si el ingreso total que se obtuvo fue de $220.000.00 ¿cuantos boletos se vendieron de la seccion numerada?
Answer:
La cantidad de boletos vendidos en la sección numerada = x = 4000 boletos
El número de entradas vendidas en la sección general = y = 8000 boletos
Step-by-step explanation:
Deje que el número de boletos vendidos en la sección numerada = x
Sea el número de boletos vendidos en la sección general = y
Es un partido de fútbol sala se vendieron 12.000 entradas.
x + y = 12000.… ..... Ecuación 1
x = 12000 - y
El precio de las entradas es de $ 25.00 en la sección numerada y $ 15.00 en la general. Si el ingreso total obtenido fue de $ 220,000.00,
$ 25 × x + $ 15 × y = $ 220 000
25x + 15y = 220.000 ..... Ecuación 2
Sustituya x por 12000 - y en la ecuación 2
25 (12 000 - años) + 15 años = 220 000
300000 - 25 años + 15 años = 220 000
300000 - 220000 = 25 años - 15 años
80000 = 10 años
y = 80000/10
y = 8000 boletos
x = 12000 - y
x = 12000 - 8000
x = 4000 boletos
La cantidad de boletos vendidos en la sección numerada = x = 4000 boletos
El número de entradas vendidas en la sección general = y = 8000 boletos
Responder:
8000
Explicación paso a paso:
Dado que las entradas:
Sección numerada = $ 25
Sección general = $ 15
Ingreso tital = 220.000
Número de entradas vendidas = 12000
Deje el boleto vendido de la sección numerada = n
Número vendido de la sección General = g
n + g = 12000
25n + 15g = 220.000
n = 12000 - g
25 (12000 g) + 15 g = 220000
300.000 - 25g + 15g = 220000
-10g = 220000 - 300000
-10g = - 80000
g = 8000
n = 12000 - g
n = 12000 - 8000
n = 4000
Entradas vendidas de la sección General = 8000
Safety regulations require that the time between airplane takeoffs (on the same runway) will be at least 4 minutes. When taking off, the run time of an airplane on the runway is 24 seconds. Planes are on average waiting 5 minutes and 54 seconds for take-off. On average there are 12 planes taking off per hour. How many planes are either on the runway or waiting to take off?
Answer:
1 plane either on the runway or waiting to take off
Step-by-step explanation:
We are given;
Frequency of take off = 12 planes per hour = 12/60 = 0.2 planes per minute
Waiting time on runway = 5 minutes 54 seconds = 5.9 minutes
Run time on runway = 24 seconds = 24/60 minutes = 0.4 minutes
To solve this question, we will use Little's law which is given by the formula;
System inventory = rate of flow × throughput time
Now, rate of flow is the same as Frequency of take off.
Thus, rate of flow = 0.2 planes per minute
Throughput time = Waiting time on runway + Run time on runway
Thus;
Throughput time = 5.9 minutes + 0.4 minutes
Throughput time = 6.3 minutes
Thus;
System inventory = 0.2 × 6.3 = 1.26 planes
Thus is approximately 1 plane.
13 and 5/8 plus 7/8 please answer quickly
13 5/8 + 7/8 = 14 1/2
5/8 + 7/8 = 1 4/8 = 1 1/2
1 1/2 + 13 = 14 1/2
4 - t = 3(t - 1) - 5
Answer:
T=3
Step-by-step explanation:
4-T = 3(t-1) -5
4-t=3T -3-5
^^ distribute
-T=3T-12
^^combine like terms and subtraction prop. of equality.
-4T=-12
^^ subtraction property of equality
(-4T=12)/-4
^^ thats just getting rid of the -sign, then its also simpliying
T=3
Apolline is mowing lawns for a summer job. For every mowing job, she charges an initial fee plus a constant fee for each hour of work. Her fee for a 555-hour job, for instance, is \$42$42dollar sign, 42. Her fee for a 333-hour job is \$28$28dollar sign, 28.
Answer:
Base Fee = $7
Extra charges = $7
Step-by-step explanation:
Represent the base charge with x and the additiional charges with y.
For the 5 hours job, we have:
[tex]42 = x + 5y[/tex]
For the 3 hour job
[tex]28 = x + 3y[/tex]
Solving for x and y;
[tex]42 = x + 5y[/tex]
[tex]28 = x + 3y[/tex]
Subtract the second equation from the first
[tex]42 - 28 = x - x + 5y - 3y[/tex]
[tex]14 = 2y[/tex]
Solve for y
[tex]y = 14/2[/tex]
[tex]y = 7[/tex]
Substitute 7 for y n the first equation
[tex]42 = x + 5y[/tex]
[tex]42 = x + 5 * 7[/tex]
[tex]42 = x + 35[/tex]
[tex]x = 42 - 35[/tex]
[tex]x = 7[/tex]
Answer:
Two points that are not intercepts
Step-by-step explanation:
Khan said :)
please he me as soon as possible. this is due by today.
Solve the inequality 5:0 -6 < 2 + (30 — 4).
Pls help
Answer:
x≤2
Step-by-step explanation:
The answer to 5x-6≤2+(3x-4)
Happy Halloween!
what does x equal to
Answer:
i got 16.25=2
Step-by-step explanation:
Answer:
X = - 12.8
Step-by-step explanation:
In about months, the populations of the two towns will be equal.
Dave had already read 4 books this year before joining a book club, and he plans to read 3
books every month now that he has joined. If Dave has read 16 books so far, how many
months has he been with his book club?
Answer: 4 months
Step-by-step explanation: 16 - 4 = 12
12 / 3 = 4 months
Answer:
5 months
Step-by-step explanation:
The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent
decrease from the regular price to the sale price of the scooter?
Answer:
20%
Step-by-step explanation:
First we find the actual dollar amount of the discount.
$65.50 - $52.40 = $13.10
Now we need to find what percent of $65.50 is $13.10.
To find what percent a part is of the whole, divide the part by the whole and multiply by 100%.
percent = part/whole * 100%
percent = $13.10/$65.50 * 100% = 20%
Answer: 20%
Answer:
20%
Step-by-step explanation:
The location P(t) of an object moving in the xy-plane at time t seconds is given by the equations P(t)=(x(t),y(t)), where x(t)=a +3t and y(t)=b +8t, a,b are constants and distances are measured in units of meters. The equations x(t), y(t) describe linear parametrized motion; see section 10.1 of the textbook for review.
(h) The line along which the object is moving in the plane has the equation: y=___x+___.
(i) Let d(t) be the distance the object has traveled after t seconds. The formula for d(t) is:
(j) The instantaneous rate of change of d(t) at time t is:
Answer:
(h) y = -8/3·x + 16·a/3
(i) dt = √(x² + y²) = √( (a + 3·t)² + (b + 8·t)²)
(j) [tex]\dfrac{d(t)}{dt} = \dfrac{3\cdot a +8\cdot b+ 73 \cdot t}{\sqrt{a^2 + 6\cdot a \cdot t + b^2+16 \cdot b \cdot t + 73\cdot t} }[/tex]
Step-by-step explanation:
(h) The location of the object = P(t) = (x(t), y(t))
Where;
x(t) = a + 3·t
y(t) = b + 8·t
Therefore we have;
At x = 0, t = -a/3. at y = 0, b = -8·t = -8·a/3
y = -8·a/3 + 8·t = -8/3(a - 3·t) = -8/3(x - 2·a) = -8/3·x + 16·a/3
y = -8/3·x + 16·a/3
(i) dt = √(x² + y²) = √( (a + 3·t)² + (b + 8·t)²)
(j) The instantaneous rate of change of d(t), with a corresponding change in time, t, obtained by solving through an online platform, is given as follows;
[tex]\dfrac{d(t)}{dt} = \dfrac{d}{dt} \left (\sqrt{\left (a + 3\cdot t \right)^2 + \left (b + 8\cdot t \right)^2} \right ) = \dfrac{3\cdot a +8\cdot b+ 73 \cdot t}{\sqrt{a^2 + 6\cdot a \cdot t + b^2+16 \cdot b \cdot t + 73\cdot t} }[/tex].
Describe and correct the errors in solving the absolute value inequality
х
5x + 4/> 13
x+4 -13 and x + 4 <13
x>-17 and
X<9
-17
22
There is an arithmetic error in both rewritten inequalities. The correct solution is -9<< < 17
The inequality symbols should be reversed. The correct solution is 9 > I > -17
The two inequalities should be written as one inequality -13 < 3+4 < 13. The correct solution is -17 <3 <9.
The compound inequalities should be joined by "or;" and both inequality symbols should be reversed. The correct solution is
< 17 ore 9.
Answer:
Step-by-step explanation:
Given the inequality [tex]|x+4|>13[/tex], to solve, we will solve the negative and positive value of the modulus for x as shown:
If the modulus is positive:
[tex]x+4>13\\[/tex]
subtract 4 from both sides
[tex]x+4-4>13-4\\x>9[/tex]
If the modulus is negative
[tex]-(x+4)>13\\-x-4>13\\[/tex]
Add 4 to both sides
[tex]-x-4+4>13+4\\-x>17[/tex]
Multiply both sides by -1
[tex]-(-x)<-17\\x<-17\\-17>x[/tex]
Combine both inequalities. If:
[tex]x>9\\[/tex]
Combining with [tex]-17>x[/tex] will give:
[tex]-17>x>9[/tex]
choose the correct congruence statement
Answer:
To write the congruence statement, you need to line up the corresponding parts in the triangles: \begin{align*}\angle R \cong \angle F, \angle S \cong \angle E,\end{align*} and \begin{align*}\angle T \cong \angle D\end{align*}. Therefore, the triangles are \begin{align*}\triangle RST \cong \triangle FED\end{align*}.
Step-by-step explanation:
Is this relation a function? LES
7
я
12
15
Yes
ОО
No
Answer:
yes
Step-by-step explanation:
Please show steps
If 3x + 7 = 10, what is -2x - 8?
Answer:
-10
Step-by-step explanation:
first you need to solve the first equation
3x + 7 = 10
subtract 7 from both sides
3x + 7 - 7 = 10 - 7
3x = 3
divide both sides by 3
3x/3 = 3/3
x = 1
now substitute x in the second equation.
-2x - 8
-2(1) - 8
-2 - 8
-10
Answer:
- 10
Step-by-step explanation:
Given
3x + 7 = 10 ( subtract 7 from both sides )
3x = 3 ( divide both sides by 3 )
x = 1
Thus
- 2x - 8 = - 2(1) - 8 = - 2 - 8 = - 10
12c+12 =12c+9
How do I show the work for this
Answer:
hope that helps :))
Step-by-step explanation:
Step 1: Subtract 12c from both sides.
12c+12−12c=12c+9−12c
12=9
Step 2: Subtract 12 from both sides.
12−12=9−12
0=−3
3) reflection across y=1
What is the sum of zeros in this equation (m-10)(8m-1)=0? Enter your ancwer as a fraction. PLSSS I RLLYYY NEEDD HELPP
Answer:
m= 1/8, 10
Step-by-step explanation:
(8m − 1)(m − 10) = 0
↓
8m−1=0 → (8m/8)=(1/8) → m=(1/8)
m−10=0 → m=10
m=1/8
m=10
Solve for x.
9x+4≤58 or 16x−2>3
x 30
x 30
Answer:
x ≤ 6
Step-by-step explanation:
Hope this helps!
Simplify this equation:
6x−7+3x+2
Answer:
this is the answers when you simplified
9x-5
Step-by-step explanation:
I hope this help!
Help needed ASAP will give brainliest and 5 STARS RATE
Answer:
The correct choice is D.
Ignore this pls . Z z z z z z
why post if I'm supposed to ignore LOL
Samuel is y years old. In 10 years he will be 27. How old is Samuel?
Show work
Answer:
17
Step-by-step explanation:
(Samuel is years old in ten years he will be 27.)
how do we find his age he is rignt now?
First: you need to find the key words.
Samuel is years old in ten years he will be 27
secont: you find a way to do your problom.
27 ↓
- 10 ↓
````````````
17 ←
Suppose it was –5 degrees Celsius at 6:00 a.m. By noon, the temperature had Increased by 11 degrees. What was the temperature at noon?
Answer:
6
Step-by-step explanation:
11 - -5 = 6
The temperature at noon is 6 degrees Celsius.
GivenSuppose it was -5 degrees Celsius at 6:00 a.m.
By noon, the temperature had increased by 11 degrees.
What is temperature?Temperature declines as altitude increases.
The temperature at noon is calculated by adding the morning temperature and temperature in the afternoon.
The temperature in noon = temperature at 6;00 a.m. + increase in temperature in afternoon.
The temperature in noon = -5 + 11
The temperature in noon = 6 degrees.
Hence, the temperature at noon is 6 degrees Celsius.
To know more about Temperature click the link given below.
https://brainly.com/question/22618350
Jane’s bank account grew from $2175 to $2262. What was the percent increase in her account?
A. 2%
B. 4%
C. 7%
D. 10%
I am new to brainly. Will you please help me with this problem :))
Answer:
B. 4%
Step-by-step explanation:
20. The temperature of a city during a week was 1° C, -6°C, 14°C, -9°C,
-15°C, 8°C and -7°C. What was the average daily temperature of the town
for the week?
The average temperature would be -2°Celsius
You just add up all the numbers, and the average of the numbers is the sum of all the numbers divided by the amount of numbers.
1+-6+14+-9+-15+8+-7=-14
-14/7=-2
11more than the product of 9 and a
Answer:
The answer is 20
Step-by-step explanation:
11 + 9 = 20
11 plus 9 equals 20