Answer:
B) 6,940,000
Step-by-step explanation:
move the decimal in 6.94 to the right 6 times
Answer:
B
Step-by-step explanation:
Step 1: Solve
Assuming the notation is 6.94 x 10^6
We need to move the decimal point on 6.94 over to the right 6 times because the base of the exponent is 10.
If you move the decimal point over 6 you gey 6,940,000
The point of concurrency of three altitude of a triangle is called its
A. Incenter
B. Circumcenter
C. Centroid
D. Orthocenter
The point of concurrency of three altitudes of a triangle is called its orthocenter. In the given figure O is the orthocenter.
What is triangle?A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. Triangle ABC denotes a triangle with vertices A, B, and C. In Euclidean geometry, any three non-collinear points define a unique triangle and, by extension, a unique plane. Triangles are polygons in geometry that have three sides and three vertices. This figure is two-dimensional and has three straight sides. A triangle is a three-sided polygon. A triangle's three angles added together equals 180°.
Here,
The orthocenter of a triangle is the place at which three altitudes intersect. In the diagram, O represents the orthocenter.
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2. Find the Fourier series expansion of: f(3) = lo, 0. sin tr, -1
The Fourier series expansion of f(t) = l0,0,sin(3t),-1 is:
f(t) = 0.5 + 0.5*sin(3t)
The Fourier series expansion allows us to represent a periodic function as an infinite sum of sinusoidal functions. In this case, we are given the function f(t) = l0,0,sin(3t),-1 and we need to find its Fourier series expansion.
First, let's examine the given function. It has a constant term of 0 and a sinusoidal term with frequency 3 and amplitude -1. The Fourier series expansion of a function consists of a constant term and a sum of harmonic terms with different frequencies.
To find the Fourier series expansion, we need to determine the coefficients of the harmonic terms. Since the constant term is 0, the coefficient for the zeroth harmonic is 0. For the sinusoidal term with frequency 3, the coefficient can be determined using the formula for Fourier series coefficients:
An = (2/T) * ∫[T] f(t) * cos(nωt) dt
where T is the period of the function, ω is the angular frequency (2π/T), and n is the harmonic number. In this case, T = 2π/3 (since the frequency is 3), and n = 1 (since we have the first harmonic). Plugging in the values and integrating, we find that the coefficient A1 is 0.5.
Putting it all together, the Fourier series expansion of f(t) = l0,0,sin(3t),-1 is:
f(t) = 0.5 + 0.5*sin(3t)
This means that the function can be represented as a constant term of 0.5 plus a sinusoidal term with frequency 3 and amplitude 0.5. This expansion allows us to approximate the original function using a finite number of harmonic terms. By including more terms, we can achieve a closer approximation.
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A jar contains 9 marbles marked with the numbers 1 through 9. You pick a marble at random. What is the probability of not picking the marble marked with the number 2? Enter your answer as a simplified fraction. The probability of not picking the marble marked with the number 2 is
Answer:
1/9 or unlikely
Step-by-step explanation:
Answer:
8/9
Step-by-step explanation:
Bryson is painting kitchen stools. Each stool requires 1 1/2 liters of paint. Bryson has 20 liters of paint, How many stool will he be able to paint?
Answer:
3
Step-by-step explanation:
5.5 litres paint needed for 1 stool
1 litres paint needed for 1/ 5.5
20 litres paint needed for 20/5.5
= 3.636
And now comes the twist, you can't paint 3.6 stools. also You can't paint 4 stools. You need to round down to 3
8. A door to a classroom is 50 inches tall. Which of the following is another measure equal to
the height?
A. 4 ft 2 in.
B. 4 ft 1 in.
C. 4 ft 1/2 in.
D. 5 ft
Answer:
A.
Step-by-step explanation:
12 = 1 feet
50 =4ft 2in
Answer:
B. 4 ft 2 in.
Step-by-step explanation:
1 ft = 12 in
50/12 = 4.2
1+4-6,2-7+6,4-8+2,6-3-7 highest to lowest
Answer:
-1 , 1 , -2 , - 4
in order its
1, -1 , -2 , -4
Step-by-step explanation:
please help, look at the photo, it’s urgent
Answer:
C
Step-by-step explanation:
Could you help me on my history please
Heather works 40 hours a week and she earns $11.50 per hour. When Heather works over 40 hours, her pay is 1.5 times her hourly pay. How much does Heather earn if she works 46 hours in one week?
Answer:
563.5
Step-by-step explanation:
it's pretty easy ngl
Answer:
563.5
Step-by-step explanation:
What is the slope of the median-median line for the dataset in this table? 18 20 15 16 2219 m = -2.5278 m = -1.1333 Om= 1.0833 Om = 8.4722
The slope of the median-median line for this dataset is 0.8.
To calculate the slope of the median-median line for this dataset, we need to first calculate the medians of both the x and y variables.
The median of the x variable is (15+16+18+19+20+22)/6 = 17.
The median of the y variable is (15+16+18+19+20+22)/6 = 17.
Next, we need to calculate the slopes of all the lines connecting the pairs of medians (x1,y1) and (x2,y2).
(x1,y1) = (15,16), (x2,y2) = (22,20), slope = (20-16)/(22-15) = 0.8
(x1,y1) = (15,16), (x2,y2) = (22,19), slope = (19-16)/(22-15) = 0.75
(x1,y1) = (15,16), (x2,y2) = (22,22), slope = (22-16)/(22-15) = 1.2
(x1,y1) = (15,18), (x2,y2) = (22,20), slope = (20-18)/(22-15) = 0.4
(x1,y1) = (15,18), (x2,y2) = (22,19), slope = (19-18)/(22-15) = 0.1667
(x1,y1) = (15,18), (x2,y2) = (22,22), slope = (22-18)/(22-15) = 0.6667
We then calculate the median of all these slopes to get the slope of the median-median line.
Median slope = (0.4, 0.6667, 0.75, 0.8, 1.2) = 0.8
Therefore, the slope of the median-median line for this dataset is 0.8.
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min ti x₁ = x₂-u x₂ = u -144²1 (x₁, x₂) arbitrary starting point. Let (0,0) be the Check whether situation (x₁, x₂)→ (0,0) shortest time is met. the beginning of the the coordinate. generality condition of the
It appears that the system dynamics can be manipulated through the control input u to minimize the time required for convergence to the origin (0,0).
Here, we have,
given that,
min t_i
x₁ = x₂-u
x₂ = u
-1 ≤ u ≤ 1, (x₁, x₂) are arbitrary starting point.
and origin (0,0) be the begging of the coordinate.
also given that, (x₁, x₂)→ (0,0)
so, min t_i at origin (0,0) = t
Therefore, the generality condition of the situation does not met.
so, we get,
The given system can be represented by the following equations:
x₁' = x₂ - u
x₂' = u
To analyze the behavior of the system, we can examine the dynamics of each variable separately.
For x₁:
x₁' = x₂ - u
The equation implies that the rate of change of x₁ is dependent on x₂ and the input u. The term (-u) acts as a control input that can affect the dynamics of x₁. If we choose an appropriate control input u, we can manipulate the rate of change of x₁ and potentially minimize the time required to reach the origin.
For x₂:
x₂' = u
The equation for x₂ indicates that the rate of change of x₂ is solely determined by the input u. The variable x₂ can be directly controlled by the input u, allowing us to influence its behavior and potentially expedite convergence.
Based on the given equations, it appears that the system dynamics can be manipulated through the control input u to minimize the time required for convergence to the origin (0,0).
By carefully selecting the control input, it is possible to achieve the shortest time to reach the origin from any arbitrary starting point (x₁, x₂).
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How to write −8 2/11 in standard form?
Answer:
- 90/11
Step-by-step explanation:
Multiply 8 with 11 = 88Add that with 2 = 90That is your nominator and 11 is denominator.Because the faction is negative, put a negative sign.Thank you guys for helping me. I need help on this one
Answer: 10 times 8 and 8 times 10
Step-by-step explanation:
those are the first in the multiplication table that have the same digits
What do you know to be true about the values of a and b?
A. a= b
B. a< b
C. a> b
D. Can't be determined
The value of angle a and b cannot be determined.
option D.
What are the values of a and b?
The value of angle a and b is determined by applying the principle of congruent theorem.
If all the three sides of one triangle are equal to all the three sides of another triangle, then both the triangles are congruent to each other.
a = 180 - ( 60 + x ) ( sum of angles in a triangle )
b = 180 - ( 40 + y ) ( sum of angles in a triangle )
Since the values of x and y are not know, it is impossible to say what the values of angle a and angle b are.
So, the value of a and b cannot be determined, more information is needed.
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A sprinkler that sprays water in a circular area can spray up to a radius of 22ft what is the maximum area of lawn that can be watered by the sprinkler use 3.14 to approximate date for Pie enter your answer as a decimal rounded to the nearest tenth in the Box
[ ] ft^2
To find the maximum area of the lawn that can be watered by the sprinkler, we can use the formula for the area of a circle:
A = πr^2
Given that the radius of the sprinkler's spray is 22ft, we can substitute this value into the formula:
A = 3.14 * (22)^2
A ≈ 3.14 * 484
A ≈ 1519.76
Rounded to the nearest tenth, the maximum area of the lawn that can be watered by the sprinkler is approximately 1519.8 ft^2.\(\huge{\mathcal{\colorbox{black}{\textcolor{lime}{\textsf{I hope this helps !}}}}}\)
♥️ \(\large{\textcolor{red}{\underline{\texttt{SUMIT ROY (:}}}}\)
Help please!!
Given the function f(x) = -x^2 + 2, evaluate f(2-5)
A) 11
B) 7
C) 5
D) -11
E) -7
F) -5
By using the concept of function, it can be calculated that-
f(2-5) = -7
Option E is correct
What is a function?
A function from A to B is a rule that assigns to each element of A a unique element of B. A is called the domain of the function and B is called the codomain of the function.
There are different operations on functions like addition, subtraction, multiplication, division and composition of functions.
Given,
The function is
\(f(x) = - x^2 + 2\)
f(2-5) = f(-3)
= \(-(-3)^2 + 2\\\)
= -9 + 2
= -7
The value of f(2-5) is -7
Option E is correct
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four mutually exclusive events a;b;c;d each have a probability of 0:25. what is the probability that two or more of them will occur?
The probability that two or more of the events will occur is 0.683594.
The probability that two or more of the events will occur is equal to 1 minus the probability that none of the events will occur. Since the probability of each event occurring is 0.25, the probability that none of the events will occur is (1 - 0.25) * (1 - 0.25) * (1 - 0.25) * (1 - 0.25) = 0.316406. Therefore, the probability that two or more of the events will occur is 1 - 0.316406 = 0.683594.
Alternatively, you can find the probability that two or more of the events will occur by adding up the probabilities of each of the ways that two or more of the events can occur.
There are four ways that two events can occur (for example, event A and event B), six ways that three events can occur (for example, event A, event B, and event C), and four ways that all four events can occur.
Thus, the probability that two or more of the events will occur is (4 * 0.25 * 0.25) + (6 * 0.25 * 0.25 * 0.25) + (4 * 0.25 * 0.25 * 0.25 * 0.25) = 0.683594, which is the same result as before.
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find the volume of the cylinder please, I'll mark brainliest if you can help!
Having trouble:
Find the surface area or a cube with side length of 8
inches
The surface area of a cube with a side length of 8 inches is 384 square inches.
A cube is a three-dimensional object with six congruent square faces. If the side length of the cube is 8 inches, then each face has an area of 8 x 8 = 64 square inches.
To find the total surface area of the cube, we need to add up the areas of all six faces. Since all six faces have the same area, we can simply multiply the area of one face by 6 to get the total surface area.
Total surface area = 6 x area of one face
= 6 x 64 square inches
= 384 square inches
Therefore, the surface area of a cube with a side length of 8 inches is 384 square inches.
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4) Find the values of k for which the line y = 3x + 1 cuts the curve y = x² + kx + 2 in two distinct
points.
Answer:
\(k<1, k>5\)
Step-by-step explanation:
\(3x+1=x^2+kx+2 \\ \\ x^2+x(k-3)+1=0 \\ \\ \Delta>0 \implies (k-3)^2-4(1)(1)>0 \\ \\ (k-3)^2-2^2>0 \\ \\ (k-1)(k-5)>0 \\ \\ k<1, k>5\)
Please help. I keep getting these wrong and I am not sure why!
Solution
\(f\left(x\right)=-\left(x-4\right)^{2}\)The graph
The vertex of a parabola is the point at the intersection of the parabola and its line of
symmetry
Any other point is a point on the graph, you can choose any desired point on the graph
how many different spanning trees does each of these simple graphs have? a) k3 b) k4 c) k2,2 d) c5
The number of different spanning trees for each graph is: a) K3: 1, b) K4: 4, c) K2,2: 2 and d) C5: 5.
a) The complete graph K3 consists of 3 vertices, and in a spanning tree, we need to have exactly 3 vertices connected without forming any cycles. Therefore, K3 has only one possible spanning tree.
b) The complete graph K4 has 4 vertices. To form a spanning tree, we need to connect all 4 vertices without creating any cycles. K4 can be thought of as a tree with 4 branches extending from a central vertex. Each branch can be connected to any of the other vertices. Hence, there are 4 possible spanning trees for K4.
c) The complete bipartite graph K2,2 consists of 4 vertices divided into two sets, each containing 2 vertices. To form a spanning tree, we need to connect all 4 vertices without creating any cycles. Since there are only two possible edges between the two sets, there are only two possible spanning trees for K2,2.
d) The cycle graph C5 consists of 5 vertices arranged in a circular shape. To form a spanning tree, we need to connect all 5 vertices without creating any cycles. Removing any one of the edges from the cycle will result in a tree. Therefore, C5 has 5 different spanning trees.
Therefore, the number of different spanning trees for each graph is:
a) K3: 1
b) K4: 4
c) K2,2: 2
d) C5: 5
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A manufacturer is interested in creating a new item. His research team starts with a model consisting of the functions =−3(+2)2+3
, y = - 3 and y = 0.
Where is an asymptote?
Answer:
x= -2
Step-by-step explanation:
X+5x;x=5 A.30 B.25 C.5 D.20
Answer:
A
Step-by-step explanation:
x+5x if x =5 replace the variable with the key (x=5)
so now the problem reads
5+5*5
acording to oder of operations u do multipcaion 1rst
5+25
30
so ur answer is 30
in the end step by step looks like this
x+5x if x =5
5+5*5
5+25
30
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bwork2/MA102_F22/Homework_02_F22/13/?effectiveUser=hirs9173
ork_02_f22 / 13
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Homework 02 F22: Problem 13
(1 point)
Biologists have noticed that the chirping of crickets of a certain species is related to temperature, and the relationship appears to be very nearly linear. A cricket
produces 117 chirps per minute at 73 degrees Fahrenheit and 180 chirps per minute at 80 degrees Fahrenheit.
(a) Find a linear equation that models the temperature T' as a function of the number of chirps per minute N.
T(N)
(b) If the crickets are chirping at 155 chirps per minute, estimate the temperature:
T
Note: You can earn partial credit on this problem.
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a. The linear equation that models the temperature T as a function of the number of chirps per minute N is: T(N) = (1/9)N + 60
b. If the crickets are chirping at 155 chirps per minute, the estimated temperature is approximately 77.22 degrees Fahrenheit.
How to calculate the valuea. Let's first find the slope of the line using the formula:
slope (m) = (y2 - y1) / (x2 - x1)
where (x1, y1) = (117, 73) and (x2, y2) = (180, 80).
slope = (80 - 73) / (180 - 117)
= 7 / 63
= 1/9
Now, let's use the point-slope form of a linear equation:
y - y1 = m(x - x1)
Using the point (117, 73):
T - 73 = (1/9)(N - 117)
Simplifying the equation:
T - 73 = (1/9)N - (1/9)117
T - 73 = (1/9)N - 13
Now, let's rearrange the equation to solve for T:
T = (1/9)N - 13 + 73
T = (1/9)N + 60
Therefore, the linear equation that models the temperature T as a function of the number of chirps per minute N is: T(N) = (1/9)N + 60
(b) If the crickets are chirping at 155 chirps per minute, we can estimate the temperature T using the linear equation we derived.
T(N) = (1/9)N + 60
Substituting N = 155:
T(155) = (1/9)(155) + 60
T(155) = 17.22 + 60
T(155) ≈ 77.22
Therefore, if the crickets are chirping at 155 chirps per minute, the estimated temperature is approximately 77.22 degrees Fahrenheit.
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The table shows the height in feet, y, of a pebble dropped from a tall bridge after x seconds.
Which descriptions are true of the function shown in the table? Check all that apply.
quadratic
linear
rational
y = –16x + 150
y = –16x2 + 150
y = + 150
nvm . jus got it wrong and it's A and E
Answer:
The answer is A & E
Step-by-step explanation:
quadratic
y=-16x^2 + 150
Answer: A and E
Step-by-step explanation:
edge 2023
between 149714971497 and 150015001500, amerigo vespucci embarked on two voyages to the new world. according to vespucci’s letters, the first voyage lasted 434343 days longer than the second voyage, and the two voyages combined lasted a total of 1{,}0031,0031, comma, 003 days. how many days did the second voyage last?
The number of days that the second voyage last's is 480 days.
Given,
The discrepancy in the length of the two excursions, we are asked to determine how many days the second voyage lasted.
We initially assign variables in order to overcome this issue. Let the duration of the first cruise be f days and the duration of the second expedition be s days.
We are aware that the first journey lasted 43 days longer than the second.
In mathematics, f = 43 plus s. (I)
The cumulative duration of the two journeys was 1003 days. Mathematically:
f + s = 1003........(ii) (ii)
We transform I into ii
43 + s + s = 1003
43 +2s = 1003
2s = 1003 - 43
2s = 960
s = 960/2 = 480 days
That is,
The second voyage lasted about 480 days
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PLZ HELP ASAPPP I just need with 1 and 2 this is my very last assignment! Thank you guys for all your help this yr!
Answer:
1. a = 32.96 m∠B = 21° b = 12.74
2. x = 24.99
Step-by-step explanation:
1. Use the law of sines:
a/sin 112 = 26/sin 47
a = 26 sin 112/sin 47
a = 32.96
m∠B = 180 - 47 - 112 = 21°
b/sin 21 = 26/sin 47
b = 26 sin 21/sin 47
b = 12.74
2. Use the law of cosines
\(x^{2} = 17^{2} + 11^{2} - 2(17)(11) cos 125\)
= 289 + 121 - 374 cos 125
= 624.5175....
x = \(\sqrt{624.5175...}\)
= 24.99
Toni and Nicky each earn a weekly salary
plus commission selling eyeglass frames.
Toni earns a weekly salary of $800 plus a
7%(800+0.07x) commission on her
weekly sales. Nicky earns a weekly salary
of $600 plus a 9%(600+0.09x)
commission on her weekly sales. How
much would their weekly(x) sales have to
be to result in Toni and Nicky earning the
same amount for the week?
Answer:
10,000
Step-by-step explanation:
800 + .07x = 600 + .09x
200 = .02x
10000 = x
Solve the equation below.
3(17x – 6.5) = 108
A. x = –1.5
B. x = 2.0
C. x = 2.5
D. x = 5.2
Answer:
( c ) x = 2.5
Step-by-step explanation:
\(3(17x - 6.5) = 108\)
divide both side of the equation by 3...
\(17x - 6.5 = 36\)
\(17x = 36 + 6.5\)
\(17x = 42.5\)
\(x = 2.5\)
hence the value of x is 2.5...
The diameter of a hydrogen atom is about 1.05 cross times 10 to the power of negative 10 end exponentmeters. a protein molecule has an overall length of 3000 times (or 3 cross times 10 cubed times) the diameter of a hydrogen atom. what is the length of the protein molecule, in meters, if it were written in scientific notation?
The length of the protein molecule, in meters, is 208 × 10⁻⁹m.
What is an atom?An atom is a matter particle that defines a chemical element uniquely. An atom is made up of a central nucleus and one or more negatively charged electrons. The nucleus is positively charged and contains one or more protons and neutrons, which are relatively heavy particles.To find the length of the protein molecule:
Diameter of hydrogen atom = 104 × 10⁻¹⁰m
We are given that A protein molecule has an overall length of 2000 times (or 2 cross times 10 cubed times) the diameter of a hydrogen atom.
Length of protein molecule = 2000 × Diameter of the hydrogen atomLength of protein molecule = 2 × 10⁺³ × 1.04 × 10⁻¹⁰Length of protein molecule = 2 × 1.04 × 10⁻¹⁰⁺³Length of protein molecule = 2 × 1.04 × 10⁻⁷Length of protein molecule = 2.08 × 10⁻⁷Length of protein molecule = 208 × 10⁻⁷⁻²Length of protein molecule = 208 × 10⁻⁹mTherefore, the length of the protein molecule, in meters, is 208 × 10⁻⁹m.
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The correct question is given below:
The diameter of a hydrogen atom is about 1.04 cross times 10 to the power of negative 10 end exponent meters. A protein molecule has an overall length of 2000 times (or 2 cross times 10 cubed times) the diameter of a hydrogen atom. What is the length of the protein molecule, in meters, if it were written in scientific notation?