Answer:
16. D
17. B
I'm not sure about the other ones sorry
Answer:
question 16:y=3 question 17:B, or -3x^2-2x+1
Step-by-step explanation:
For question 16, all you have to do is graph it. sorry if i am a bit vague here, but trust me, it is y=3
For question 17, you have to look at the first number, or a, and if it is negative, it opens down, and if it is positive, it opens up.
2. Give an example of a rational number that is not a whole number.
This are a few of Rational numbers are not whole numbers: 8,−3,32,7−5.
Step-by-step explanation: Hope this helps
what is the solution the the system of equations graphed below y=-2x-4 y=x+2
Answer:
(-2,0)
Step-by-step explanation:
y=-2x-4
y=x+2
------
x+2= -2x-43x=-6x=-2y=x+2=-2+2=0(-2, 0) is the answer
Select the statements that are true based on the following given information. D = {x | x is a whole number} E = {x | x is a perfect square < 36} F = {x | x is an even number between 20 and 30} The expression D ∪ E = E. E ∪ (D ∩ F) is {25}. F ⊂ D (E ∩ F) is the empty set. Set E is infinite.
The statements that are true based on the following given information is F ⊂ D (E ∩ F) is the empty set.
What is a set?You should understand that a set is the collection of different items or numbers to form a group.
The given parameters that will help us to understand what a set is is given below
D = {x | x is a whole number}E = {x | x is a perfect square < 36}F = {x | x is an even number between 20 and 30}The elements of these sets are given as follows
D= {1,2,3,4,5,6,7,8,9, ...}
E= {4,9,16,25}
F= {20,22,24,26,28,30)
D ∪ E = {1,2,3,4,5,,,,,9......16....25...) ≠ E
Also
E∪(D∩F) =
First find (D∩F) =
(D∩F) = but E∪(D∩F) = Ф
Also, F ⊂ D (E ∩ F)
E∩F = Ф and F⊄E
Therefore it is an empty set
Learn more about set on https://brainly.com/question/4801204
#SPJ1
Suppose a colony of mushrooms triples in size every 10 days. If there are 10 mushrooms to start, how many days until there are 1000 mushrooms? (A) 41.9181 days (B) 56.4091 days (C) 37.9010 days (D) 29.8974 days (E) 49.3955 days
It will take 56.4091 days. So B is the answer.
How can we prove it?The number of mushrooms after n days can be found by using the formula:
number of mushrooms = 10 * 3^(n/10)
We want to find the value of n such that the number of mushrooms is 1000. We can use logarithms to solve for n:
n/10 = log3(1000/10)
n = 10 * log3(1000/10)
Using a calculator or logarithm table, we can find that:
n = 56.4091
So the answer is (B) 56.4091 days.
What is logarithm?A logarithm is a mathematical function that calculates the power to which a given number (called the base) must be raised to produce a given value. In other words, it gives the exponent that the base must be raised to in order to equal the given value. The logarithm of a number to base b is written as logb(x), where x is the value and b is the base.
For example, if b = 10, then log10(100) = 2, because 10^2 = 100. If b = e (Euler's number), then loge(x) is called the natural logarithm.
Logarithms are useful in many areas of mathematics, science, and engineering, especially in solving exponential equations and working with logarithmic scales, such as audio decibels and pH levels.
Learn more about logarithms here
https://brainly.com/question/30085872
#SPJ1
What types of concurrent constructions are needed to find the centroid of a triangle?
The types of concurrent constructions that are needed to find the centroid of a triangle include the following: B. intersection of the lines drawn to the midpoint of each side of the triangle to its opposite vertex.
What is the centroid theorem?In Mathematics and Geometry, the centroid theorem states that the centroid of a triangle is located at two-third (2/3) of the distance from the vertex to the midpoint of the (opposite) sides.
Generally speaking, the centroid of a triangle simply refers to the point where the three (3) medians of the triangle meet or intersect. This ultimately implies that, a centroid is a point of intersection of the lines from each vertex of a triangle to the midpoint of the opposite sides.
In this context, the types of concurrent constructions would be modeled by answer option B.
Read more on centroid theorem here: brainly.com/question/20627009
#SPJ1
Complete Question:
What types of concurrent constructions are needed to find the centroid of a triangle.
A. intersection of the lines drawn from each vertex of a triangle and perpendicular to its opposite side.
B. intersection of the lines drawn to the midpoint of each side of the triangle to its opposite vertex.
C. intersection of the lines drawn to bisect each vertex of the triangle.
D. intersection of the lines drawn perpendicular to each side of the triangle through its midpoint
URGENT PLEASE HELP !!
The total square inches of cardboard that option A will require is: 657 in²
The total square inches of cardboard that option B will require is: 844 in²
Option B is more cost effective
How to find the total surface area?The total surface area of these three dimensional shapes are simply gotten by summing up the area of each individual face to get:
Option A:
Total surface area = 2(¹/₂(10 * 8.7)) + 3(19 * 10)
= 87 + 570
= 657 in²
Cost = 0.22 * 657 = $144.54
Option B:
Total surface area = 2(8 * 10) + 2(19 * 10) + 2(19 * 8)
= 160 + 380 + 304
= 844 in²
Cost = 0.18 * 844 = $151.92
Read more about total surface area at: https://brainly.com/question/16519513
#SPJ1
Which method best helps to prevent wind erosion?
rotating crops
decreasing riverbank slopes
more animal grazing
avoiding soil compaction
Answer:
a
Step-by-step explanation:
In a 5% sale, the price of a phone is reduced by £19.4 Find the original price of the phone
Answer:
The original price of the phone is £388.
Step-by-step explanation:
Since 5% of the price of the phone is reduced, you can simply multiply the reduced number which is £19.4 by 20. Your final answer should be £388 when you put it on a calculator or do it on a piece of paper.
7) What does a multiplier of \( 1.2 \) mean?
A multiplier of 1.2 means the value is multiplied or increased by a factor of 1.2.
A multiplier is a term used to represent a factor by which a value is multiplied or increased. It is a numeric value that indicates the extent of the increase or expansion of a given quantity. Multiplication by a multiplier results in scaling or changing the magnitude of the original value.
A multiplier of 1.2 indicates that a value will be increased by 20% or multiplied by a factor of 1.2. This means that when the multiplier is applied to the original value, the resulting value will be 1.2 times the original.
Read more about multipliers:
brainly.com/question/15883095
What equation can you use to find the
distance of the orange grove from the hive?
Distance between hive and flower bed is 2250 feet.
Distance=Speed *time
What is a hive?
A freak flies at 20 bases per alternate directly to a flower bed from its hive
so, forward speed is
canvases directly back to the hive at 12 bases per alternate
so, backward speed is
It's down from the hive for 20 twinkles total
so,
total time = forward time backward time stay time
The freak stays at the flower bed for 15 twinkles,
20 = tb 15
Now, we can change it into seconds we know that
distance between hive and flower bed will remain Let's assume
forward time = x
So,
We know that
Distance = speed * time
Now, we can plug value now, we can plug values
Both distances are same
Now, we can break above equations and find x
Add both sides 12x
Now, we can find distance
So, distance between hive and flower bed is 2250feet.
To learn more about hive from the given link:
https://brainly.com/question/10844345
#SPJ9
Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. V Stress score where the mean is zero and the increments of measurement are equal Choose the correct answer below. O A. The interval level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is no natural starting zero point. O B. The ratio level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is a natural starting point. O C. The nominal level of measurement is most appropriate because the data cannot be ordered. O D. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless.
"The interval level of measurement is most appropriate because the data can be ordered, differences can be found and are meaningful, and there is no natural starting zero point" is the correct answer. Thus, option A is correct.
The most appropriate level of measurement for the given data, where the mean is zero and the increments of measurement are equal, is the interval level of measurement.
The interval level of measurement is characterized by data that can be ordered and where the differences between values are meaningful, but there is no natural starting zero point. In this case, the stress scores can be ordered, and the differences between scores have significance.
However, the absence of a natural starting zero point means that the value of zero does not represent the absence of stress, but rather a reference point within the measurement scale. To further illustrate this, let's consider an example of stress scores: -4, -2, 0, 2, 4.
The differences between adjacent scores are equal, with an increment of 2. However, the value of zero does not indicate the complete absence of stress but rather a point of reference within the scale. It is not meaningful to say that someone with a stress score of -2 has twice as much stress as someone with a score of -1.
On the other hand, if the data had a natural starting point where zero represented the absence of stress and ratios between scores were meaningful, the ratio level of measurement would be appropriate. However, since the data in question lacks a natural zero point, the ratio level is not applicable.
In summary, the interval level of measurement is most appropriate for the given data, where the mean is zero and the increments of measurement are equal. This level of measurement allows for ordering the data and meaningful differences between scores but does not provide a natural starting zero point.
Therefore, the correct answer is A. The interval level of measurement is most appropriate because the data can be ordered, differences can be found and are meaningful, and there is no natural starting zero point.
To know more about interval refer here:
https://brainly.com/question/31027005#
#SPJ11
It says here to use the information to write a standard form equation of this circle and I can’t find any answer
1) Center: (2, 4)
Radius: V215
The standard form of the equation of a circle is (x - h)² + (y - k)² = r², where (h, k) is the center of the circle and r is the radius.
Using this formula, we can write the equation of the circle with center (2, 4) and radius √215 as follows:(x - 2)² + (y - 4)² = (√215)²
Simplifying this equation, we get:(x - 2)² + (y - 4)² = 215
Thus, the standard form equation of this circle is (x - 2)² + (y - 4)² = 215.
The center of the circle is (2, 4) and the radius is √215.
To write the standard form equation of the circle, we use the formula (x - h)² + (y - k)² = r².
Plugging in the values of the center and radius, we get the equation (x - 2)² + (y - 4)² = 215.
What is Standard Form means?
Standard form refers to a specific way of writing mathematical equations, typically used in algebra. It involves representing an equation as a linear combination of variables and constants, where the variables are raised to the power of one and the coefficients are integers.
For more questions on circle
https://brainly.com/question/28162977
#SPJ8
Please help me with this homework
Answer:
C.
Step-by-step explanation:
The pythagorean theorem shows a^2+b^2=c^2.
a=8, b=15, c= the unknown distance
8^2+15^2=c^2
Mal says x is a number that makes Equation A true and also a numbe that makes Equation B true.
The equations could be made the same by dividing both sides of Equation A by-3 gives x + 7 = -8.
What is an equation?The term equation has to do with a mathematical relationship that involves the equality sign. Let us now look at the equations that have been put forth and see how they can be made to be equivalent;
• Equation A: -3 (x + 7) = 24
• Equation B: x + 7 = -8
If we want to convert equation A into B, what we need to do is simply to divide the both sides of equation A with -3.
Learn more about equation:https://brainly.com/question/10413253
#SPJ1
Missing parts;
Mai says x is a number that makes Equation A true and also a number that makes Equation B true.
• Equation A: -3 (x + 7) = 24
• Equation B: x + 7 = -8
Which statement explains why this is true?
O A) Adding 3 to both sides of Equation A gives x + 7 = -8.
O B) Applying the distributive property to Equation A gives x + 7 = -8.
© C) Subtracting 3 from both sides of Equation A gives x + 7 = -8.
OD) Dividing both sides of Equation A by-3 gives x + 7 = -8.
On the first day of summer break, Lisa and her friends go to the theater to see the latest action movie, Dark Emperor: Fist of Vengeance. After Lisa buys a ticket, she also buys a bucket of popcorn and a soda for $9. 75. In all, Lisa spends $20. 75 at the movie theater. Which equation can you use to find the cost c of Lisa's ticket?
Solve this equation for c to find the cost of Lisa's ticket. Dollars
Which career would be a good fit for Navin?
Answers
histotechnologist career would be a good fit for navin
Answer:
C. Histotechnologist.
Definitely correct. Just took the Edge Unit Test
Step-by-step explanation:
I really need help in this question
The height of the isosceles triangle is 8.08 cm.
Given the sides of the triangle are:
a = 9 cm (one side of the triangle)
b = 8 cm ( base of the triangle)
Therefore, height of the triangle =?
An isosceles triangle's height is determined by measuring perpendicularly from one vertex to the other's triangle base. A triangle's height is one of its crucial parameters since it enables us to determine the triangle's area.
we know that h = √a²₋ b²/4
substitute a and b values in the above formula, to find height:
h = √9² ₋ 8²/4
h = √81 ₋ 64/4
h = √(81 × 4) ₋ 64 / 4
h = √324 ₋ 64/4
h = √260/4
h = √65
h= 8.06 cm
Therefore the height of the isosceles triangle is 8.06 cm.
Learn more about Triangles here:
https://brainly.com/question/2217700
#SPJ9
If the ratio of areas of two similar hexagons are to each other as 5: 2, and one side of the first hexagon is 25, what is the corresponding side in the other hexagon? (Round your answer to two decimal places.)
A. 3.16
B. 10.00
C. 15.81
D. 250.00
The corresponding side in the other Hexagon will be 15.81.
What is Hexagon?
In geometry, a hexagon is a six-sided polygon. Each internal angle and the side length of a regular hexagon are both 120 degrees. The formula used to determine the area of a regular hexagon is:
Area = 3 \(\sqrt{3}\)/2 * \(side^{2}\)
Each internal angle in an irregular hexagon can be greater than or less than 120 degrees, and the sides are uneven in length.
In our question it is given that the ratio of the area of two similar hexagons is 5:2. This indicates that the sides' square ratio is 5: 2.
Let x represent the corresponding side in the opposite hexagon.
Then, \(25^{2}\) : \(x^{2}\) = 5:2
= 625/\(x^{2}\) = 5/2
= \(x^{2}\) = (625 *2)/5
= \(x^{2}\) = 250
= x = \(\sqrt{250}\)
= x = 15.81 approx
Therefore, the corresponding side in the other hexagon will be 15.81.
To learn more about Hexagon, visit: https://brainly.com/question/3295271
#SPJ4
3
Find the missing angle.
20
180°
A
100°
B
50°
80°
D 70°
I need help really bad plsss
Answer:
0
Step-by-step explanation:
(f-g)(x) = 12-sqrt(x)
plugging in 144, we get 12 - 12 = 0
one could also do f(x)-g(x) which would yield 24-24=0
which of the following corresponds to the predictor variable in simple linear regression?
In simple linear regression, the predictor variable is the independent variable, which is used to predict the value of the dependent variable. It is also referred to as the explanatory variable, as it is used to explain the variability in the response variable.
For example, in a study that examines the relationship between the hours studied and exam scores, the predictor variable is the number of hours studied, and the dependent variable is the exam score.
The predictor variable is plotted on the x-axis, while the dependent variable is plotted on the y-axis in a scatter plot. The relationship between the predictor and the dependent variable is represented by a straight line, which is determined by the regression equation.
The slope of the line represents the change in the dependent variable for each unit change in the predictor variable.
In summary, the predictor variable is the variable that is used to predict or explain the changes in the dependent variable in simple linear regression.
To know more about linear regression refer here
https://brainly.com/question/13328200#
#SPJ11
what is the simplest form of the expression representing this product x+10/x^2+7x-18*3x^2-12x+12/3x+30
Answer:
Step-by-step explanation:
10/2x - 54^x +30
Answer:
I think its x-2/x+9
Step-by-step explanation:
Hope this helps!
m+7=3+m+4 Solve for m
The given expression is,
\(m+7=3+m+4\)Now, let us add 3 and 4,
\(\begin{gathered} m+7=m+7 \\ \end{gathered}\)Bringing all the "m" together,
\(\begin{gathered} m-m+7=7 \\ 7=7 \end{gathered}\)Since 7=7, the equation will always be true for any value of m. So the interval notation is,
\((-\infty,\infty)\)that you're positive that you should be trying out these difficult math questions, let’s get right to it! The answers to these questions are in a separate section below, so you can go through them all at once without getting spoiled.
#1:
body_ACT_0506_-_56
#2:
body_ACT_0506_-_59
#3:
body_ACT_0809_-_38_J
#4:
body_ACT_0809_-_54
#5:
body_ACT_0809_-_55-1
#6:
body_ACT_0809_-_56
#7:
body_ACT_0809_-_57-1
#8:
body_ACT_0809_-_60
#9:
body_ACT_1112_-__48-1
#10:
body_ACT_1112_-_45
#11:
body_ACT_1112_-_51-1
#12:
body_ACT_1112_-_52
#13:
body_ACT_1112_-_53
#14:
body_ACT_1112_-_58
#15:
body_ACT_1314_-_55-1
Answer:
that you're positive that you should be trying out these difficult math questions, let’s get right to it! The answers to these questions are in a separate section below, so you can go through them all at once without getting spoiled.
#1:
body_ACT_0506_-_56
#2:
body_ACT_0506_-_59
#3:
body_ACT_0809_-_38_J
#4:
body_ACT_0809_-_54
#5:
body_ACT_0809_-_55-1
#6:
body_ACT_0809_-_56
#7:
body_ACT_0809_-_57-1
#8:
body_ACT_0809_-_60
#9:
body_ACT_1112_-__48-1
#10:
body_ACT_1112_-_45
#11:
body_ACT_1112_-_51-1
#12:
body_ACT_1112_-_52
#13:
body_ACT_1112_-_53
#14:
body_ACT_1112_-_58
#15:
body_ACT_1314_-_55-1
Step-by-step explanation:
what are the hundred digits of pie?
Answer:
I've found a song for song for you
Step-by-step explanation:
3.14159, this is π
Followed by 2-6-5-3-5-8-9
Circumference over diameter
7-9, then 3-2-3
OMG! Can't you see?
8-4-6-2-6-4-3
And now we're on a spree
38 and 32, now we're blue
Oh, who knew?
7, 950 and then a two
88 and 41, so much fun
Now a run
9-7-1-6-9-3-9-9
Then 3-7, 51
Half way done!
0-5-8, now don't be late
2-0-9, where's the wine?
7-4, it's on the floor
Then 9-4-4-5-9
2-3-0, we gotta go
7-8, we can't wait
1-6-4-0-6-2-8
We're almost near the end, keep going
62, we're getting through
0-8-9-9, on time
8-6-2-8-0-3-4
There's only a few more!
8-2, then 5-3
42, 11, 7-0 and 67
We're done! Was that fun?
Learning random digits
So that you can brag to your friends
consider a new office building with n floors and k offices per floor in which you must assign 2nk people to work, each sharing an office with exactly one other person. find a closed form solution for the number of ways there are to assign offices if from floor to floor the offices are distinguishable but any two offices on a given floor are not.
The workers can be distributed in \(\frac{(2nk)!}{2^{kn}(k!)^{n} }\) ways.
What is distribution?
An expression that yields an accurate result with a little quantity of data is known as a closed-form solution. A definite integral, which determines the area under a curve, is one example.
Given total no. of workers: 2nk
No. of Floors: n
No. of offices per floor: k
Given:
Each office is shared by 2 peopleThe floors are distinct, but the offices are identical.To find: the number of ways there are to assign offices.
Here distribution occurs in 2 steps:
Step 1: Distribute 2nk people in n floors such that each floor has 2k people.
Since the floors are distinct, the order between the group of 2k workers matters.
This can be done as:
\(\left(\begin{array}{ccc}2nk\\2k\\\end{array}\right)\)\(\left(\begin{array}{ccc}2nk-2k\\2k\\\end{array}\right)\).............\(\left(\begin{array}{ccc}2k\\2k\\\end{array}\right)\)
[∵ The 2k workers in the \(1^{st}\) first floor can be distributed in \(\left(\begin{array}{ccc}2k\\2k\\\end{array}\right)\) ways. Then 2k workers can be distributed in \(2^{nd}\) floor in \(\left(\begin{array}{ccc}2nk-2k\\2k\\\end{array}\right)\)]
=\(\frac{(2nk)!}{(2k)! (2nk-2k)!} \frac{(2nk-2k)!}{(2k)!(2nk-2k)!} ....... \frac{(2k)!}{(2k)!}\)
\(=\frac{(2nk)!}{[(2k)!]^{n} }\)
Let it be (i)
Step 2:
For each floor, we distribute the 2k workers into k offices.
but the offices are identical hence the order between the pairs do not matter.
This can be done in:
\(\left(\begin{array}{ccc}2k\\2\\\end{array}\right)\left(\begin{array}{ccc}2k-2\\2\\\end{array}\right)\)................................ \(\left(\begin{array}{ccc}2\\2\\\end{array}\right).\frac{1}{k!}\)
[∵ for the first office we can choose the pair in \(\left(\begin{array}{ccc}2k\\2\\\end{array}\right)\) ways, for the 2nd office we can choose in \(\left(\begin{array}{ccc}2k-2\\2\\\end{array}\right)\) ways and so on. We divide the answer by (k!) because the order between the pairs do not matter.]
\(= \frac{(2k)!}{2!(2k-2)!} \frac{(2k-2)!}{2!(2k-1)!} ......... \frac{2!}{2!} . \frac{1}{k!}\)
\(= \frac{(2k)!}{2^{k} (k!)}\) [∵ 2! = 2]
∴ For every floor the workers can be distributed in \(\frac{(2k)!}{2^{k}(k!) }\) ways.
∴ For all the floors, the distribution can be done in \(\left[\begin{array}{ccc}\frac{(2k)!}{2^{k} (k!) } \\\\\end{array}\right] ^{n}\)ways
Therefore, the steps 1 and 2 can be together:
\(=\frac{(2nk)!}{[(2k)!]^{n} } * \frac{[(2k)!]^{n} }{2^{kn}(k!)^{n} }\)
\(= \frac{(2nk!)}{2^{kn}(k!)^{n} }\)
To know more about Distribution:
https://brainly.com/question/29664850
#SPJ4
find a point slope equation for a line containing the given point and having the given slope y-y1 = m (x-x1 )2.( -5,-6), m = 2 3. (-7,2), m = 34. (3,5), m = 25. (6,-2), m = -36. (5,-2), m = 27. (7.0), m = 48. (0,9), m = -29. (1,3), m = 1please help pretty please <3
the formula for the equation of the line is ,
y-y1 = m (x-x1 )
2)
for point .( -5,-6), and slope m = 2
put x1 = -5 and y1 = -6
the equation of the line is,
y - (-6) = 2 (x -(-5) )
y +6 = 2(x + 5)
thus, the answer is point slope equation is y + 6 = 2(x + 5)
after the session, you can watch the solution again in your brainly profile
3)
for point .( -7,2), and slope m = 3
put x1 = -7 and y1 = 2 and m = 3
the equation of the line is,
y - 2 = 3 (x -(-7) )
y - 2 = 3(x + 7)
thus, the answer is point slope equation is y - 2 = 3(x + 7)
how many times greater is 800,000 than -4,000,000
In this conditional statement, what would be the predicate results for variable a to be a double primitive type? if ((a = (2 + 1) / 2) <= 1) True False
The predicate in the conditional statement checks whether the value of variable "a" is less than or equal to 1. However, it does not directly determine if "a" is of type double.
In this specific case, let's break down the code:
1. The expression `(2 + 1) / 2` is evaluated first. Since both 2 and 1 are integers, the division operation `/` results in a floating-point value, specifically 1.5.
2. The result of the expression is then assigned to variable "a" with the statement `a = (2 + 1) / 2`. The value of "a" becomes 1.5.
3. The conditional statement `if (a <= 1)` is evaluated. The comparison `1.5 <= 1` is false because 1.5 is greater than 1.
Therefore, the predicate result for the variable "a" to be a double primitive type in this case is false.
To know more about conditional statement refer here:
https://brainly.com/question/30612633#
#SPJ11
The sum of two numbers is 19 . When the second number is subtracted from the first number, the difference is 17 . Find the two numbers.
What are the two numbers?
Answer:
19 and 2
Step-by-step explanation:
Let x represent the first number and y represents second number
x + y = 19
x - y = 17 add two equations up
2x = 36 divide both sides by 2
x = 19 and since the difference is 17 the other number is 2