Answer:
24.75 thats it
Step-by-step explanation:
please help me
3x≤21
x≤__?
Answer:
divide both sides by 3
givea you
x<= 7
Ken reads 1 1/2 pages in a book in 3/4 minute. How many minutes does it take him to read one page
In 2010, the population of a city was 114,000. From 2010 to 2015, the population grew by 7.7%. From 2015 to 2020, it fell by 6.6%. How much did the population grow from 2010 to 2015, to the nearest 100 people?
Answer:
From 2010 to 2015 the population grew by 8778 (rounded answer 8800)
Step-by-step explanation:
*
Im begging y’all 33 to 36
Answer:
33a. 7^6
33b. 3^-4
34a. 6^4
34b. 11^0
34c. 5^4
35a. 144
36a. 5^7
36b. 2^8
36c. 3^7
give brainliest
Step-by-step explanation:
Using laws of indices
put all no to the same base
33a. 4+3-1 =6
7^6
33b.-2+8-10=-4
3^-4
34a. 7+2-5=4
6^4
34b. 2-1+3=4
11^4
34c. 6-2=4
5^4
35a. 3^2×4^2
9×16=144
35c. 5*2-6
10-6=4
3^4
36a. Remember 5^3=125
4+3=7
5^7
36b. 5+3=8
2^8
36c. 5+2=7
3^7
In question 35b, I don't think I know it but please give me brainliest.
Hope it helps, for more explanation ask in the comment section.
Students are going to conduct an experiment to study the effect of a net force applied to an object on the object’s motion. In each trial of the experiment, the students will apply a net force on the object. They also need to take two other measurements. What are the other quantities they should measure in each trial of the experiment?.
For conducting experiment based on effect of a net force , to apply net force on the object two other quantities should be measured in each trial of the experiment is given by velocity and time.
As given in the question,
To conduct a experiment based on the effect of net force applied to an object the dependable quantities are as follow:
Force = mass × acceleration
As object remain same ⇒ mass is constant as object remain same.
And there is change in the acceleration.
Acceleration depends change in velocity over total time taken.
Acceleration depends on velocity and time.
Net force also depends on velocity and time.
Two measurements need to know while conducting trail experiments are velocity and time.
Therefore, to conduct experiment based on effect of a net force , to apply net force on the object two other quantities should be measured in each trial of the experiment is given by velocity and time.
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Your car's back window is in the shape of a trapezoid with the dimensions shown.
The 16
-inch window wiper cleans a part of the window in a semicircular pattern.
What is the approximate area of the window that is not cleaned by the wiper?
The approximate area of the window that is not cleaned by the wiper is:
240 - 100.5 ≈ 139.5 square inches. Answer: \boxed{139.5}.
What is circle?
A circle is a geometric shape that consists of all points in a plane that are equidistant from a fixed point called the center.
To solve this problem, we need to find the area of the trapezoid and subtract the area of the semicircle.
The area of a trapezoid is given by the formula:
A = (a + b)h/2
where a and b are the lengths of the parallel sides, and h is the height (the perpendicular distance between the parallel sides).
In this case, we have:
a = 24 inches (the top parallel side)
b = 16 inches (the bottom parallel side)
h = 12 inches (the height)
Using the formula, we get:
A = (24 + 16) x 12/2
A = 240 square inches
The area of a semicircle is given by the formula:
A = πr²/2
where r is the radius of the circle.
In this case, the radius is half of the length of the wiper, so we have:
r = 16/2 = 8 inches
Using the formula, we get:
A = π(8²)/2
A ≈ 100.5 square inches
Therefore, the approximate area of the window that is not cleaned by the wiper is:
240 - 100.5 ≈ 139.5 square inches. Answer: \boxed{139.5}.
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Advanced Mathematical Decision Making......
Segment MB is approximately ___
Segment MA is approximately ___
The radius of the Earth is approximately _____
Answer:
MB = 239627
MA = 239327
I don’t know the answer to the radius question but I know it’s not 247936 miles or 3963 miles. Pls let me know if you figure it out ! :) - gigi
Step-by-step explanation: we have the same practice worksheet & amdm class.
When the greatest common divisor and least common multiple of two integers are multiplied, the product is 180. How many different values could be the greatest common divisor of the two integers
The different values that could be be the greatest common divisor of the two integers are; 1, 2, 3, 4, 6
How to find the greatest common divisor?
Let the numbers be a, b. Thus, the product of the GCD(a, b) and the LCM(a, b) will be ab.
Now, for us to get something to be a factor of the GCD we need to make it be a factor of both a, b. Thus, its' square must be a factor of 180.
Therefore, the only numbers whose square is a factor of 1800 are 1, 2, 3, 4, 6 and as such they are the only GCDs possible.
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The graph below shows a line of best fit for data collected on the amount of time teenagers spend on the computer and
watching television.
Based on the line of best fit, how much time does a teenager spend watching television if they spend 360 minutes on the
computer?
OA. 60 minutes
OB. 15 minutes
OC. 30 minutes
OD. 45 minutes
ASAP
Answer:
C) 30 minutes
Step-by-step explanation:
According to the line of best fit, when x=360, y=30, which means that a teenager spends 30 minutes watching television if they spend 360 minutes on the computer.
A waterwheel has a radius of 4 feet, and the center of the wheel is 1 foot under the waterline. You notice a yellow mark at the top of the wheel. If the wheel rotates radians, how far above the water is the yellow mark?
1 foot
2 feet
3 feet
4 feet
The yellow mark is 1 foot above the water level.
This question can be answered using the concept of trigonometry.
According to the given question
radius of the waterwheel r= 4 feet
let OD is the part of the waterwheel that is submerged in the water and its value is to be determined.
From the figure we can see that
OA=OC=radius= 4 feet
Now
In triangle OAB
cos 60= \(\frac{OB}{OA}\)
\(\frac{1}{2}= \frac{OB}{OA}\)
OB= 2 feet
which means the length of the yellow mark above water is given by
OB-OD= 2-1= 1 feet.
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Find the value of x. Then find the measure of each labeled angle.
The value of x = 75, y = 110
The measures of the labelled angles are: 95°, 85°, 70°
How to Find the Measures of the Labelled Angles?To find the measures of each labelled angle, first create an equation to find the value of x and y using angle relationship.
Thus, we have:
x + 20 + x + 10 = 180 [linear pair]
Solve for x:
2x + 30 = 180
2x = 180 - 30
2x = 150
x = 75
y + y - 40 = 180 [supplementary angles]
2y = 180 + 40
2y = 220
y = 110
x + 20 = 75 + 20 = 95°
x + 10 = 75 + 10 = 85°
y - 40 = 110 - 40 = 70°
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Someone plz help me plz
Answer: 26 46
Step-by-step explanation:
Answer:
26, 46, 23......
Step-by-step explanation:
Each number is divided by 2 then added by 20.
Hope this Helps!Find the exact area of the surface z = 1 + 2x + 3y + 4y², 1 ≤ x ≤ 3,0 ≤ y ≤ 1.
The exact area of the surface is \((1/12)[86^{(3/2)} - 14^{(3/2)}]\).
How to find the surface area?To find the surface area, we need to calculate the partial derivatives of z with respect to x and y:
∂z/∂x = 2
∂z/∂y = 3 + 8y
Then, the surface area can be calculated using the formula:
A = ∫∫√(1 + (∂z/∂x)² + (∂z/∂y)²) dA
where dA = dx dy is the area element.
Plugging in the partial derivatives, we get:
A = ∫₁³∫₀¹ √(1 + 2² + (3 + 8y)²) dydx
= ∫₁³∫₀¹ √(64y² + 48y + 14) dydx
\(= \int _1 ^3 (1/24)[(64y^2 + 48y + 14)^{(3/2)}]_0 ^1 dx\)
\(= \int_1 ^3 (1/24)[(64 + 48 + 14)^{(3/2)} - 14^{(3/2)}] dx\)
\(= (1/24)[86^{(3/2)} - 14^{(3/2)}] \int _1^3 dx\)
\(= (1/24)[86^{(3/2)} - 14^{(3/2)](3 - 1)}\)
= \((1/12)[86^{(3/2)} - 14^{(3/2)}]\)
Therefore, the exact area of the surface is \((1/12)[86^{(3/2)} - 14^{(3/2)}]\).
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Find the midpoint of the segment with the given endpoints (-10, 5) and (10,4).
Answer:
Midpoint=(0,4\(\frac{1}{2}\))
As a decimal:
Midpoint=(0,4.5)
Step-by-step explanation:
M=(xM,yM)
M=(x1+x2÷2,y1+y2÷2)
M=(−10+10÷2,5+4÷2)
M=(02,92)
M=(0,4\(\frac{1}{2}\))
As a decimal:
M=(0,4.5)
Hope it helps :)
need help to solve please
Answer:
\(\displaystyle m\angle RTU=73^\circ\)
Step-by-step explanation:
Interior Angle of a Circle
An interior angle of a circle is formed at the intersection of two lines that intersect inside a circle.
Lines AC and BD of the figure attached below intersect forming arcs p and q. The measure of the interior angle x is:
\(\displaystyle x=\frac{p+q}{2}\)
The question includes the drawing of a circle with lines US and RV intersecting at point T. The measure of the interior angle RTU is:
\(\displaystyle m\angle RTU=\frac{68^\circ+78^\circ}{2}\)
\(\displaystyle m\angle RTU=\frac{146^\circ}{2}\)
\(\boxed{\displaystyle m\angle RTU=73^\circ}\)
how to determine if a function crosses the horizontal asymptote
To determine if a function crosses the horizontal asymptote, analyse the behavior of the function as it approaches the asymptote and on either side of it.
1. Identify the horizontal asymptote of the function. The horizontal asymptote is a horizontal line that the function approaches as the independent variable (usually denoted as x) goes to positive or negative infinity. It is often denoted by a horizontal line y = a, where "a" is a constant.
2. Examine the behavior of the function as x approaches positive infinity. Evaluate the limit of the function as x goes to positive infinity. If the limit is equal to the value of the horizontal asymptote, then the function does not cross the asymptote. However, if the limit does not equal the asymptote, move to the next step.
3. Examine the behavior of the function as x approaches negative infinity. Evaluate the limit of the function as x goes to negative infinity. If the limit is equal to the value of the horizontal asymptote, then the function does not cross the asymptote. If the limit does not equal the asymptote, proceed to the next step.
4. Investigate the behavior of the function around critical points or points where the function changes its behavior. These points may include the x-intercepts or vertical asymptotes. Determine if the function crosses the asymptote around these points by analyzing the behavior of the function in their vicinity.
If, at any point in this process, the function crosses the horizontal asymptote, then it does not have a true horizontal asymptote. However, if the function approaches the asymptote and does not cross it at any point, then it has a horizontal asymptote.
It's important to note that some functions may have multiple horizontal asymptotes or no horizontal asymptote at all. The steps outlined above are a general guideline, but the specific behavior of the function needs to be analyzed to make a conclusive determination.
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Give the domain and range.
21
3
-3
3 x
a. domain: {-3, 0, 2), range: {3, 0, -2}
b. domain: {3, 0, 2), range: {3, 0, 2}
c. domain:{-3, 0, -2}, range: (-3, 0, -2}
d. domain: {-2, 0,3}, range: {2,0,–3}
The required domain and range of the given relation in the graph is domain: {-3, 0, 2), range: {3, 0, -2}. Option A is correct.
What are domain and range?In mathematics, the domain and range are concepts used to describe the set of possible inputs and outputs, respectively, of a function.
The domain of a function is the set of all possible values of the independent variable (usually denoted by x) for which the function is defined. In other words, it is the set of all numbers that can be plugged into the function and still produce a valid output.
From the figure and from the definition,
Domain = {-3, 0, 2}
Range = {-2, 0, 3}
Thus, the required domain and range of the given relation in the graph is domain: {-3, 0, 2), range: {3, 0, -2}. Option A is correct.
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Which of the following statements about the chemiosmotic synthesis of atp is correct?.
The chemiosmotic synthesis of ATP is a process that occurs in the mitochondria and involves the production of ATP through the flow of protons (H+) across a membrane. This process is driven by a proton gradient established by the electron transport chain.
During cellular respiration, electrons are passed along the electron transport chain, pumping protons from the mitochondrial matrix into the intermembrane space. This creates a proton gradient across the inner mitochondrial membrane. The protons then flow back into the matrix through ATP synthase, a complex enzyme embedded in the membrane. As the protons move through ATP synthase, their energy is used to phosphorylate ADP to ATP.
In summary, the chemiosmotic synthesis of ATP relies on the flow of protons across a membrane, driven by the electron transport chain. This process enables the coupling of electron transfer with ATP synthesis, providing cells with the energy currency required for various biological processes.
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Which of the following statements accurately describes the chemiosmotic synthesis of ATP?
whatis the answe please readlink
Answer:
A^12 multiple Apply the power rule and multiply exponents,
Cancel the common factor of
2
Factor 2 out of 8
Cancel the common factor 2
Rewrite the expression
4^4x3
Final answer a^12 or (a to the power of 12)
Please answer this!!
Answer: Choice C. 110ft
Step-by-step explanation:
Near a 30,60,90 triangle, multiply by \(\sqrt{3}\) to approximate the distance from point B to the tree.
Answer:
82
Step-by-step explanation:
I want to say 82 but i am not positive
If cyanide in a stream next to a gold mine increases from 240 ppm to 360 ppm, what percent increase is this?
Given :
Initial concentration , 240 ppm .
Final concentration , 360 ppm .
To Find :
Percent increase.
Solution :
Percentage increase is given by :
\(=\dfrac{Final-Initial}{Initial}\times 100\\\\=\dfrac{360-240}{240}\times 100\\\\=50\%\)
Therefore , percent increase is 50 % .
Hence , this is the required solution .
What is 30 divided by 4? Show your work and explain.
Answer:
7.5
30
÷
4
__
7.5
4×6=24
4×7= 28
4×8= 32
4×8= X
4×7.5= 30
Given the function 25e-0.25.t, write the function in "annual" growth form
y = abt
y=
Round your answer to four decimal places.
Question Help: Message instructor
Submit Question
Answer:
y = 25e-0.25t can be written in annual growth form as y = 25(1.28180)t, which can be simplified to y = 32.045t. This can be rounded to four decimal places to get y = 32.0450t.
The theatre has 4 levels of seating. Gold, Silver, Red and Black. One night, the manager of the theatre asked how many patrons were in the theatre. The manager replied that ⅙ of the patrons in the theatre that night are in the gold seating, ¼ of the patrons are either the red seating or the black seating, there are three times as many patrons in the silver seating as in the red seating, and there are 138 patrons in the black seating.
How many patrons were in the theatre that night?
There were 2484 patrons in the theatre that night.
How to solveLet n represent the overall number of theatergoers that evening.
Let g represent the number of attendees in the gold seating, s represent the attendees in the silver seating, r represent the attendees in the red seating, and b represent the attendees in the black seating.
Consequently, n = g + s r b.
g = n because of the theatre goers are seated in the gold section.
r + b = n because of the customers are either in the red or the black seating.
The answer is obvious: b = 138.
As a result, r + b = n changes to
r + 138 = n, or r = n - 138.
Since
n = n + 3(n - 138) + (n - 138) + 138
n = n + n - 414 + n - 138 + `138
n = n + n - 414
n = n - 414
n = 414
n = 2484
Therefore, there were 2484 patrons in the theatre that night.
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A teacher wants to know if burning a scented candle affects students’ performance on pop quizzes. In the experiment, there will be a treatment group and a control group each taking their quizzes in a room that either does or does not have a scented candle burning.
Why is randomization important when setting up an experiment to answer this research question?
to ensure that both groups have a nice mix of students
to ensure that the two groups have the same number of students
to ensure that both groups are roughly equivalent regarding students’ preparedness, anxiety levels, and study skills
to ensure that the rooms for both groups are approximately the same regarding time of day, temperature, sound control, and lighting
Randomization is important to ensure that both groups are roughly equivalent regarding students’ preparedness, anxiety levels, and study skills.
What is randomization in an experiment?Randomization is when subjects in an experiment are placed in either the control group or the treatment group without any structure. They are placed in either groups randomly. The purpose of randomization is to ensure that subjects in either group are homogenous.
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What is the solution to the equation shown below?
1/2 (1/4 x - 3/5) = 1/4 (2/5 + 3/4x)
Answer:
x= -6.4
Step-by-step explanation:
Answer:
x=− 5 x 32
=−6.400
Step-by-step explanation:
simplify - 3/4
simplify - 2/5
Please help me. I dont wanna disappoint my mom again
Answer:
H i think i might be worng sorry
Step-by-step explanation:
A tropical punch recipe calls for 4 parts pineapple juice to 6 parts kiwi juice. Which graph represents the amount of pineapple juice and kiwi juice needed for the tropical juice recipe. Is it a, b, c, or d? Plz show ur work so I can know the answer is correct
what is the name of the sampling method in which every nth member of the population is chosen to be a part of the process? n is calculated by dividing the total population by the sample size.... a)simple random sampling b)systematic sampling c)snowball sampling d)stratified sampling
The sampling method in which every nth member of the population is chosen to be a part of the process is known as systematic sampling. The value of n is calculated by dividing the total population by the sample size. It is a statistical method of selecting elements from a population.
Systematic sampling is one of the probability sampling techniques in which a sample is selected from a larger population. It is a form of non-random sampling that allows researchers to establish an ordered, systematic way of selecting subjects from a population.Systematic sampling is often used when there is a large population and a need for simplicity in selecting a sample. This method is advantageous in terms of its ease of implementation and efficient sampling.
A disadvantage of this method is the possibility of a skewed sample if the periodicity of the population is not taken into account.A systematic sample can be obtained by arranging the population elements in a particular order, for instance, alphabetical or chronological order, and then selecting every kth element, where k = population size / sample size. This method of sampling has been proven to be more efficient than other sampling methods when there is a need to cover a large population.
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The area of a rectangle is 105 sq in and the length of one side is 7 in. What is the length of the perimeter?
Perimeter of Rectangle is 44m
What is Perimeter ?A perimeter is a closed path that encompasses, encircles, or delineates a one-dimensional length or a two-dimensional shape.
According to the given information
Area of Rectangle = l × b
Area of Rectangle = 105 \(m^{2}\)
Length of one side = 7 m
Let the length of the adjacent side = b
Area of Rectangle given = 7 × b
105 = 7 × b
b = \(\frac{105}{7}\)
b = 15 m
Perimeter of Rectangle given = 2( l + b )
= 2 ( 7 + 15 )
= 2 × 22
= 44m
Perimeter of Rectangle is 44m
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