Answer: 200
Step-by-step explanation: order of operations and your mom told me
Determine whether the following is a statistical question.
How many boogers does Karissa the ogre have in her left nostril?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Statistical
(Choice B)
B
Not statistical
Answer:
It is Statistical. Karissa would have to count how many boogers she has in her left nostril.
Step-by-step explanation:
.
The given question is not a statistical question. So, option (B) is correct. Since this is not related to any other data and there is no variation with the previous data, this is not a statistical question.
What is a statistical question?The statistical question is a question that can be answered by collecting data and there will be a variation in the data used for calculating.
Given question:Given that " How many boogers does Karissa the orge have in her left nostril?"
This question does not need any collection of data. So, this is not a statistical question.
Therefore, option B is correct.
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Graph the solution to this inequality on the number line. 3/5 z > 3/4
Answer:
if u send me the picture of the number line i can asnwer for u asap please send
Step-by-step explanation:
CAN ANYONE HELP NE WITH THIS ONE TOO??
Answer:
326.56 in².
Step-by-step explanation:
Mathematics: Define/explain.
SURFACE AREA: The measure of the total area that an object occupies.
The formula for finding the surface area for a cylinder is:
\(SA=2\pi r^2+2\pi rh\)
\(r-radius\)
\(h-height\)
Mathematics: Solve.
According to the image, the cylinder has a height of 9 inches and a base radius of 4 inches.
Now, we can plug the numbers into the formula.
\(SA=2\pi 4^2+2\pi4*9- (2*3.14*4*4)+(2*3.14*4*9)=326.56.\)
Mathematics: Conclude.
Therefore, the surface area of this cylinder is 356.56 in².
500 people are asked if they drink coffee.
9
10 say Yes.
20% of the people who say Yes drink at least three cups each day.
(b)
What fraction of the 500 people drink at least three cups of coffee each
day?
Give your answer in its simplest form.
Answer:
Step-by-step explanation:
2/10
The group of individuals fitting a description is the _____
A.census
B.sample
C.parameter
D.population
The group of individuals fitting a description is called option D: Population, this is because, in statistics, a population is seen as am entire group of individuals, items, or elements that tends to have or share a common characteristics.
What is population?The term "population" describes the complete group of people or things that you are interested in investigating. It is the group of individuals or thing(s) about which you are attempting to draw conclusions.
There are infinite and finite populations. A population with a set quantity of people or things is said to be finite. An endless population is one that has an infinite amount of people or things.
Therefore, the correct option is D
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See full text below
A group of individuals fitting a description is the _____
Which of the term below fit the description above.
A.census
B.sample
C.parameter
D.population
Help please!!!
Thanks
Answer:
25.6
Explanation:
t = 2 seconds
h = 8 + 40.8(2) - 16(2)^2
Solve for h by simplifying both sides of the equation, then isolating the variable.
h = 25.6
m∠BAC = ?
A.) 15
B.) 30
C.) 45
D.) 60
Answer:
B.) 30°Step-by-step explanation:
We know from the property of 30°x60°x90° right triangle:
The hypotenuse is twice the leg which is opposite to 30 angle.We see AC = 2*BC, therefore:
m∠BAC = 30°Correct choice is B
The ratio of angles is directly proportional to the ratio of sides
<B=90°The ratio of sides here is 1:1/2:1
Now
m<BAC be x\(\\ \sf\longmapsto 2x+x=90°\)
\(\\ \sf\longmapsto 3x=90\)
\(\\ \sf\longmapsto x=30\)
What is the correct answer
1) \(m\angle A=76^{\circ}\) (given)
2) \(m\angle B=76^{\circ}\) (base angles theorem)
3) \(m\angle BCA=28^{\circ}\) (sum of angles in a triangle)
4) \(m\angle ECD=28^{\circ}\) (vertical angles)
5) \(m\angle DEC=90^{\circ}\) (perpendicular lines)
6) \(m\angle D=62^{\circ}\) (sum of angles in a triangle)
evaluate the expression when x= -2/3 and y = - 5/6.
×+1/2y
write your answer in simplest form
using word problem involving combination please and thank you.
The value of the linear expression is -13/12
What are linear equations?Linear equations help in representing the relationship between variables such as x, y, and z, and are expressed in exponents of one degree. In these linear equations, we use algebra, starting from the basics such as the addition and subtraction of algebraic expressions.
Given here: The linear expression is x+y/2
Thus inputing the values of x= -2/3 and y = - 5/6.
-2/3+(-5/6×2)=-2/3-5/12
=-(2/3+5/12)
= -(13/12)
Hence, The value of the linear expression is -13/12
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(2z+2)(z^2+z–2) please help
Answer:
2z^3+4z^2-2z-4
Step-by-step explanation:
Distribute
2z^3+2z^2-4z+2z^2+2z-4
Simplify
2z^3+4z^2-2z-4
A machine can make 5 miles of ribbon in an hour. Write an equation to show how much ribbon, r, is made after x hours. What will the length of the ribbon be in 8 hours?
Another machine can make 8 miles of ribbon in an hour. Write an equation to show how much ribbon, r, is made after x hours. How much ribbon will this machine make in 8 hours?
The machine's equation for producing 5 miles of ribbon per hour
r = 5xthe machine makes 40 miles of ribbon in 8 hours.
The machine's equation for producing 8 miles of ribbon per hour
r = 8xthe machine makes 64 miles of ribbon in 8 hours.
How to write the equations to show ribbon the machine can make in a given timeIn one hour, a machine can produce 5 miles of ribbon.
1 hour = 5 miles
The answer to how much ribbon, r, is produced after x hours is
1 hour = 5 miles
x hours = r miles
multiplying
r = 5x
In 8 hours
R = 5x = 5*8 = 40 miles.
The machine produces 40 miles of ribbon in 8 hours.
Another machine can produce 8 miles of ribbon.
1 hour = 8 miles
The answer to how much ribbon, r, is produced after x hours is
1 hour = 8 miles
x hours = r miles
multiplying
r = 8x
In 8 hours
R = 8x = 8 * 8 = 64 miles.
The machine produces 64 miles of ribbon in 8 hours.
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The life span of a domestic cat is normally distributed with a mean of 15.7 years and a standard deviation of 1.6 years. a. Find the probability that a cat will live to be older than 14 years. b. Find the probability that a cat will live between 14 and 18 years. c. If a cat lives to be over 18 years, would that be unusual? Why or why not? d. How old would a cat have to be to be older than 90% of other cats?
Answer
a. 0.856
b. 0.78071
c. It is not unusual
d. 13.65 years old
Step-by-step explanation:
The life span of a domestic cat is normally distributed with a mean of 15.7 years and a standard deviation of 1.6 years.
We solve this question using z score formula:
z = (x-μ)/σ, where
x is the raw score
μ is the population mean
σ is the population standard deviation.
a. Find the probability that a cat will live to be older than 14 years.
For x > 14 years
z = 14 - 15.7/1.6
z = -1.0625
Probability value from Z-Table:
P(x<14) = 0.144
P(x>14) = 1 - P(x<14) = 0.856
b. Find the probability that a cat will live between 14 and 18 years.
For x = 14 years
z = 14 - 15.7/1.6
z = -1.0625
Probability value from Z-Table:
P(x = 14) = 0.144
For x = 18 years
z = 18 - 15.7/1.6
z= 1.4375
Probability value from Z-Table:
P(x = 18) = 0.92471
The probability that a cat will live between 14 and 18 years is calculated as:
P(x = 18) - P(x = 14)
0.92471 - 0.144
= 0.78071
c. If a cat lives to be over 18 years, would that be unusual? Why or why not?
For x > 18 years
z = 18 - 15.7/1.6
z= 1.4375
Probability value from Z-Table:
P(x<18) = 0.92471
P(x>18) = 1 - P(x<18) = 0.075288
Converting this to percentage:
0.075288 × 100 = 7.5288%
Hence, 7.5288% of the cats live to be over 18 years. Hence, it is not unusual.
d. How old would a cat have to be to be older than 90% of other cats?
From the question above, 10% of the cats would be older than 90% of other cats.
Hence, we find the z score of the 10th percentile
= -1.282
Hence,
-1.282 = x - 15.7/1.6
Cross Multiply
-1.282 × 1.6 = x - 15.7
- 2.0512 = x - 15.7
x = 15.7 -2.0512
x = 13.6488 years old
Approximately = 13.65 years old
How many different three-letter arrangements can be formed using the letters in the word ABSOLUTE if each letter is used only once?
Ο 112
Ο 168
Ο 336
O56
Answer:
336 3-letter-arrangements
to meet slope constraint rhonda wants to change the height of the zip-line 7 ft and end at a height 9 ft above the ground
Test Rhonda’s claim
All the three locations has been checked below.
Using Pythagoras theorem,
12² = 8² + x²
144 - 64 = x²
x= √80
x=8.9
Now, using Trigonometry
tan F = P/B
tan F= 8/8.9
and, sin F = P/H
sin F= 8/12 = 2/3
and, cos F = B/H
cos F= 12/8.9
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What is the range of the function? f(x)=3^x−1−2
The range of the equation f(x) = 3ˣ ⁻ ¹ - 2 is y > -2
Calculating the range of the equation?From the question, we have the following parameters that can be used in our computation:
f(x) = 3ˣ ⁻ ¹ - 2
The above equation is an exponential function
The rule of an exponential function is that
The domain is the set of all real numbersHowever, the range is always greater than the constant termIn this case, it is -2
So, the range is y > -2
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Solve the system of equations.
y=x2-5
y=-2x+3
A. (2-1) and (4.-5)
B. -2.7) and (4-5)
C. (-411) and (2-1)
O D. (-4, 11) and (-27)
Each interior angle of a regular polygon is 160°. How many sides has it?
Answer:
18 sides
Step-by-step explanation:
Given the interior angle of a regular polygon, we can find that the exterior angles are (180°-interior°). And the number of sides of the polygon times the exterior angles must equal 360°. So we can write:
(180-160)°•(n)=360°
(20°)•(n)=360°
n=(360/20)°
n=18 sides
Select the statement that describes this expression: 8 + one half x (6 – 2) – 1.
Answer:
B).
Step-by-step explanation:
Add 8 to half the difference of 6 and 2 then subtract 1.
Answer:
I apologize but I haven't worked for an answer. but my mind is, what is the point of this question? everyone is familiar with the "when am I ever going to use this in life and why do I need to learn this?" but this is a whole new level of w t f.
what is 60% of 80 ??
Answer:
48
because I know........
Answer:
48
Step-by-step explanation:
60 divided by 100, then times 80 equals to 48
In a random sample of 100 students from a large high school, 37 regularly bring a reusable water bottle from home. Which of the following gives the correct value and interpretation of the standard error of the sample proportion? (a) In samples of size 100 from this school, the sample proportion of students who bring a reusable water bottle from home will be at most 0.095 from the true proportion. (b) In samples of size 100 from this school, the sample proportion of students who bring a reusable water bottle from home will be at most 0.048 from the true proportion. is ne (c) In samples of size 100 from this school, the sample proportion of students who bring a reusable water bottle from home typically varies by about 0.095 from the true proportion.
(d) In samples of size 100 from this school, the sample proportion of students who bring a reusable water bottle from home typically varies by about 0.048 from the true proportion (e) There is not enough information to calculate the standard error.
The standard error tells us how much we can expect the sample proportion to vary from the true proportion in repeated samples of the same size. Option (d) correctly states that "In samples of size 100 from this school, the sample proportion of students who bring a reusable water bottle from home typically varies by about 0.048 from the true proportion." This means that if we were to take many samples of 100 students from the same school and calculate the proportion of students who bring a reusable water bottle from home in each sample, about 95% of the sample proportions would fall within +/-0.048 of the true proportion.
What is the best interpretation of the standard errorThe correct option is (d) "In samples of size 100 from this school, the sample proportion of students who bring a reusable water bottle from home typically varies by about 0.048 from the true proportion."
The standard error of the sample proportion can be calculated using the formula:
SE = √[p*(1-p) / n]
where p is the sample proportion and n is the sample size.
In this case, the sample proportion is 37/100 = 0.37 and the sample size is 100. Plugging in these values, we get:
SE = sqrt[0.37*(1-0.37) / 100] = 0.048
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Si 10 obreros construyen un consultorio médico en 12 dias.¿Con cuántos obreros se hará la misma obra en 15 dias?
A total of 8 workers are required for a building time of 15 days.
How many workers are needed to complete a building?
In this problem we find a case of inverse relationship, in which the number of workers (n) is inversely proportional to building time (t), in hours. The situation is represented by following formulas:
n ∝ 1 / t
n = k / t
Where k is the proportionality ratio, which can be eliminated by building the following formula:
n₁ · t₁ = n₂ · t₂
If we know that n₁ = 10, t₁ = 12 and t₂ = 15, then the required number of workers is:
n₂ = n₁ · (t₁ / t₂)
n₂ = 10 · (12 / 15)
n₂ = 10 · (4 / 5)
n₂ = 8
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Please help me. Image below.
Answer:
10 cubes
Step-by-step explanation:
2.5 × 1 × 2 = 5 cm³
5 ÷ 0.5
10 cubes
Answer:
10 cubes
Step-by-step explanation:
1 × 2 × 2.5 = 5cm^3
5 ×× .5 = 10
so 10 cubes would fit
CAN YOU PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELP (24 points)
The perimeter of a rectangle is 54 inches. Its length is 22 inches. Write and solve an equation to determine its width?
2 times the width + 2 times the length = perimeter
Answer:
I'll sing out
Step-by-step explanation:
give me a sec
Based on the information in the table, how much will Monique earn if she works 36 hours in a week?
Answer:
Where is the table?
Step-by-step explanation:
3. Estimate the value of -V 150 by plotting it ona number line.• BetweenDecimal estimate: 2
The first thing is to calculate the value of the root.
\(-\sqrt{150}=-12.247\)therefore, is between -12 and -13
decimal estimate: 0.24
Papina and her little sister Camila found 45 seashells. Papina found 4 times as many seashells as Camila. How many more seashells did Papina find than Camila?
Answer:
Papina found 27 more shells than Camila.
Step-by-step explanation:
Let x = the number of seashells that Camila found.
That means that
4x = the number of seashells that Papina found.
Papina's shells + Camila's shells = 45
4x + x = 45
Combine like terms.
5x = 45
Divide by 5.
x = 9
Camila found x shells. That is 9 shells.
Papina found 4x shells.
4x
= 4(9)
= 36
Papina found 36 shells.
36 - 9
= 27
Papina found 27 more shells than Camila.
A fireman has 12 ft. ladder and a 16 ft ladder. He leans the 12 ft ladder against a house at an angle of 57 degrees. He leans the 16 ft ladder against a house 30-degree angle. Which ladder will he climb to the higher height? Explain you answer
Answer:
12 feet ladder
Step-by-step explanation:
Height of 12 ft ladder :
Using Pythagoras :
Tan θ = Adjacent / hypotenus
Tan 57 = h / 12
1.5398649 * 12 = 18.48 feets
For 16 feet ladder :
Tan θ = Adjacent / hypotenus
Tan 30 = h / 16
0.5773502 * 16 = 9.24 feets
18.48 > 9.24
Hence, he'll climb the 12 feets ladder to the higher height
Brett and Andy applied for the same credit card from the same bank. Brett was given a card with an APR of 12.6%. What was his monthly percentage rate? Andy was given a card with an APR of 16.2% what was his monthly percentage rate? if each of them had an average daily balance of $7,980, and had to pay a finance charge, how much more would. Andy pay than Brett?
Andy would pay $23.94 more in finance charges compared to Brett, given their respective APRs, average daily balances, and monthly percentage rates.
To calculate the monthly percentage rate (MPR) from the given annual percentage rate (APR), we divide the APR by 12.
For Brett:
APR = 12.6%
MPR = 12.6% / 12 = 1.05%
For Andy:
APR = 16.2%
MPR = 16.2% / 12 = 1.35%
Next, we can calculate the finance charge for each individual using the formula: finance charge = average daily balance * MPR.
For Brett:
Finance charge = $7,980 * 1.05% = $83.79
For Andy:
Finance charge = $7,980 * 1.35% = $107.73
To find the difference in the finance charges between Andy and Brett, we subtract Brett's finance charge from Andy's finance charge:
Difference = $107.73 - $83.79 = $23.94
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A storage tank is completely empty. At 12:00 noon, oil is poured into the top of the tank and a valve is opened at the bottom. Oil is poured into the tank at a rate of 2.1 gallons per minute and the valve at the bottom empties at a rate of 1.9 gallons per minute. If the tank does not fill until 12:00 the next day, how many gallons does the tank hold?
Answer: We can start by using the concept of rates.
At 12:00 noon, oil is poured into the top of the tank at a rate of 2.1 gallons per minute and the valve at the bottom empties at a rate of 1.9 gallons per minute.
As the tank is empty at the beginning, the rate at which the oil is poured into the tank is equal to the rate at which the oil is leaving the tank.
2.1 gallons per minute - 1.9 gallons per minute = 0.2 gallons per minute
As the tank does not fill until 12:00 the next day, the difference between the rate of oil that enters the tank and the rate of oil that leaves the tank is equal to zero over the time frame.
0.2 gallons per minute * 1440 minutes = 288 gallons
So, the tank holds 288 gallons.
Step-by-step explanation:
Mark travelled a distance of 140 miles. If it took him 3.5 hours to arrive at his destination, what was his rate of travel in miles per hour?
Answer:
40 mph
Step-by-step explanation:
140 / 3.5 = 40
he traveled 40 miles per hour
Check
40 x 3.5 = 120 + 20 = 140
If my answer is incorrect, pls correct me!
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-Chetan K