- klhat percentage of 40 is 8?
Answers
Step-by-step explanation:
8/40 x 100% = 20%
Topic: percentage
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Related Questions
please, please help me with this!! it’s very important.
Answers
The parabola's vertex is located at (-2, 8). The parabola's graph is then depicted below.
Let a be the leading coefficient and the parabola's vertex be the point (h, k). The parabola's equation will therefore be stated as,
y = a(x - h)² + k
The parabola's equation is stated as,
y = -(x + 2)² + 8
The downward-pointing parabola is represented by the negative sign.
The vertex of the parabola is at (-2, 8), according to the equation above. The parabola's graph is then depicted below.
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View Policies Current Attempt in Progress Using the information provided in the table, the network diagram and the project completion time = 25 weeks, reduce the completion time of the project by 5 we
Answers
Strategies such as fast-tracking, crashing, prioritization, and resource optimization can be employed to reduce the project completion time by 5 weeks.
To reduce the completion time of the project by 5 weeks, we need to analyze the provided information and make appropriate adjustments. The initial completion time of the project is 25 weeks.
To achieve a reduction of 5 weeks, we can consider several strategies:
1. Fast-tracking: This involves overlapping or parallelizing certain project activities that were initially planned to be executed sequentially. By identifying tasks that can be performed concurrently, we can potentially save time. However, it's important to evaluate the impact on resource allocation and potential risks associated with fast-tracking.
2. Crashing: This strategy focuses on expediting critical activities by adding more resources or adopting alternative approaches to complete them faster. By compressing the schedule of critical tasks, we can reduce the overall project duration. However, this may come at an additional cost.
3. Prioritization: By reevaluating the project tasks and their priorities, we can allocate resources more efficiently. This ensures that critical activities receive higher attention and are completed earlier, resulting in an accelerated project timeline.
4. Resource optimization: Analyzing the resource allocation and identifying potential areas for optimization can lead to time savings. By ensuring that resources are utilized effectively and efficiently, we can streamline the project execution process.
It's important to note that implementing any of these strategies requires careful evaluation, considering factors such as project constraints, risks, cost implications, and stakeholder agreements. A comprehensive analysis of the project plan, resource availability, and critical path can guide the decision-making process for reducing the project completion time.
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When you reflect a shape, you (blank) over an axis or line.
Answers
Answer:
poison
Step by Step Explanation
When you reflect a shape, you flip over an axis or line, the answer is flip.
What is geometric transformation?It is defined as the change in coordinates and the shape of the geometrical body. It is also referred to as a two-dimensional transformation. In the geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.
As we know the reflection will change the orientation not the shape or size after reflection we will get mirror image of the body.
When you reflect a shape, you flip over an axis or line.
Thus, when you reflect a shape, you flip over an axis or line the answer is flip.
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Determine whether these are prime or composite numbers
Answers
Answer:
Step-by-step explanation To determine if a number is prime or composite, follow these steps: Find all factors of the number. If the number has only two factors, 1 and itself, then it is prime. If the number has more than two factors, then it is composite.
Step-by-step explanation:
prime is a number that another number can go into except 1, composite is a number that cannot be divided by anything but 1
Find an equation of the line tangent to the curve y=1/2(ln(sin^2(x))) at the point (pi/4 , -1/2ln2)
Answers
Given:
Equation of Curve is:
\(y=\frac{1}{2}\ln (\sin ^2x)\)To find: Equation of tangent to the curve at point
\((\frac{\pi}{4},\frac{-1\ln 2}{2})\)Equation of tangent to the curve is given by:
\(y-y_1=m(x-x_1)\)where, m is slope of line.
Now, m is derivative of y with respect to x at given point.
Hence,
\(\begin{gathered} m=\frac{1}{2}\text{ }\times\frac{2\sin x\cos x}{\sin^2x} \\ m=\frac{\cos \text{ x}}{\sin \text{ x}} \\ m=\cot \text{ x} \end{gathered}\)At given point, the slope m is:
\(\begin{gathered} m=\cot (\frac{\pi}{4}) \\ m=1 \end{gathered}\)Therefore,the equation of tangent to the curve is given as:
\(\begin{gathered} y-y_1=1(x-x_1) \\ y-(\frac{-1(\ln \text{ 2))}}{2})=x-\frac{\pi}{4} \\ \frac{2y+\ln \text{ 2}}{2}=\frac{4x-\pi}{4} \\ 2y+\ln 2=\frac{4x-\pi}{2} \end{gathered}\)\(\begin{gathered} 4y+2\ln 2=4x-\pi \\ 4y=4x-\pi-2\ln 2 \end{gathered}\)Thus the required equation of tangent to the curve is
\(4y=4x-\pi-2\ln 2\)For the standard normal random variable z, find z for each situation. If required, round your answers to two decimal places. For those boxes in which you must enter subtractive or negative numbers use a minus sign. (Example: -300)'
a. The area to the left of z is 0.1827. z =
b. The area between −z and z is 0.9830. z =
c. The area between −z and z is 0.2148. z =
d. The area to the left of z is 0.9997. z =
e. The area to the right of z is 0.6847. z=
Answers
The z-values for the given situations are approximate:
a. The area to the left of z is 0.1827. z = -0.90
b. The area between −z and z is 0.9830. z = 2.17
c. The area between −z and z is 0.2148. z = 0.85
d. The area to the left of z is 0.9997. z = 3.49
e. The area to the right of z is 0.6847. z= -0.48
a. For an area of 0.1827 to the left of z, the corresponding z-value can be found using a standard normal distribution table or a statistical calculator. The z-value is approximately -0.90.
b. To find the z-value for an area between -z and z equal to 0.9830, we need to find the value that corresponds to (1 - 0.9830)/2 = 0.0085 in the upper tail of the standard normal distribution. Using the table or calculator, the z-value is approximately 2.17.
c. Similarly, for an area between -z and z equal to 0.2148, we find the value that corresponds to (1 - 0.2148)/2 = 0.3926 in the upper tail. The z-value is approximately 0.85.
d. For an area of 0.9997 to the left of z, we find the value that corresponds to 0.9997 in the upper tail. The z-value is approximately 3.49.
e. To find the z-value for an area to the right of z equal to 0.6847, we find the value that corresponds to 1 - 0.6847 = 0.3153 in the upper tail. The z-value is approximately -0.48.
In summary, the z-values for the given situations are approximate:
a. -0.90
b. 2.17
c. 0.85
d. 3.49
e. -0.48
These values can be used to determine the corresponding percentiles or probabilities for the standard normal distribution. The values are typically found using standard normal distribution tables or statistical calculators that provide the cumulative probability distribution function (CDF) for the standard normal distribution.
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is 6.39 greater than or less than 6.502
Answers
Answer:
6.39 < 6.502
Step-by-step explanation:
Simply put, 6.39 is less than 6.502, by about 0.112
Answer:
6.39 is less than 6.502
Step-by-step explanation:
First, we compare ones
6=6
Next, we compare tenths
3<5
Therefore, 6.39<6.502
nine congruent circles are inscribed in a square with a side length of 126. if a point in the square is chosen at random, what is the probability that the point is not in a circle?
Answers
There is a 21.5% chance that a point in a square with nine congruent circles drawn there won't be within one if it is chosen at random.
It is given to us that :
Nine congruent circles are inscribed in a square
The square has a side length of 126
We have to find out the probability that the point is not in a circle, if a point in the square is chosen at random.
It is known that the square has a side length of 126.
=> Area of the square = \((Length)^{2}\)
=> Area of the square = \(126^{2}\)
=> Area of the square = 15876 ------ (1)
It is also known to us that nine congruent circles are inscribed in the square that has a side length of 126.
=> Diameter of each circle = 126/3
=> Diameter of each circle = 42
=> Radius of each circle = 21 ------ (2)
We know that the area of a circle is given as -
Area of circle = \(\pi r^{2}\) ------ (3)
where,
r = radius of the circle
Substituting the value of r from equation (2) in equation (1), we have
Area of circle = \(\pi r^{2}\)
=> Area of circle = \(\pi (21)^{2}\)
=> Area of circle = 1385.44
=> Area of 9 circles = 12468.96 ----- (4)
Now, we can say that -
Area not in a circle = Area of square - Area of 9 circles
=> Area not in a circle = 15876 - 12468.96 [From equation (1) and (4)]
=> Area not in a circle = 3407.04 ------ (5)
We know that the probability of a outcome is given as -
Probability = Number of favorable outcomes/Total number of outcomes
So, the probability that the point is not in a circle can be calculated as -
Probability = Area not in a circle/Area of square
=> Probability = 3407.04/15876
=> Probability = 0.215
=> Probability = 21.5%
Thus, if there are nine congruent circles inscribed in a square and a point in the square is chosen at random, the probability that the point is not in a circle is 21.5%.
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A number is decreased by 40% and the result is 54. What is the number?
A. 94
B. 90
C. 75.6
D. 21.6
E. 14
Answers
Answer:
B. 90
Step-by-step explanation:
Let x be the original number.
We know that the number is decreased by 40%, which means we need to subtract 40% of the original number from the original number:
x - 0.4x = 54
Simplifying this equation, we get:
0.6x = 54
Dividing both sides by 0.6, we get:
x = 90
Therefore, the original number is 90.
So, the answer is B) 90.
for every positive integer m, determine how many elements of order m there are in the dihedral group of order 66.
Answers
The dihedral group of order 66 is denoted by D(33). This group has 66 elements, and it is generated by two elements, r and s, subject to the relations\(r^33 = s^2 = (rs)^2 = e\), where e is the identity element.
We consider the possible order orders in this group to determine the number of elements of order m in D(33). By Lagrange's theorem, the order of any element in a group must divide the order of the group. Thus, the possible orders of elements in D(33) are 1, 2, 3, 6, 11, 22, 33, and 66.
Elements of order 1: There is only one element of order 1 in D(33), namely the identity element e.
Elements of order 2: There are 33 elements of order 2 in D(33). These are the 33 reflections, which are \(sr^k\) for k = 0, 1, 2, ..., 32.Elements of order 3: There are 22 elements of order 3 in D(33). These are the rotations r^k for k = 1, 2, ..., 21.Elements of order 6: There are 11 elements of order 6 in D(33). These are the rotations r^k for k = 5, 10, 15, 20, 25, 28, 30, 31, 32, 33, and 34.Elements of order 11: There are 6 elements of order 11 in D(33). These are the rotations r^k for k = 4, 8, 12, 16, 20, and 24.Elements of order 22: There are 3 elements of order 22 in D(33). These are the rotations \(r^k\) for k = 3, 9, and 27.Elements of order 33: There is only one element of order 33 in D(33), namely the rotation r.Elements of order 66: There is only one element of order 66 in D(33), namely the product \(sr^16\).To learn more about Lagrange's theorem, visit here
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The _______ represents half the distance between the maximum of a sine or cosine graph
Options: Extreme values, amplitude, period, frequency
answer quickly pleaseeeee
Answers
Answer: amplitude
Step-by-step explanation: The amplitude represents half the distance between the maximum of a sine or cosine graph.
The solution is Option B.
The amplitude represents half the distance between the maximum of a sine or cosine graph
What are trigonometric relations?Trigonometry is the study of the relationships between the angles and the lengths of the sides of triangles
The six trigonometric functions are sin , cos , tan , cosec , sec and cot
Let the angle be θ , such that
sin θ = opposite / hypotenuse
cos θ = adjacent / hypotenuse
tan θ = opposite / adjacent
tan θ = sin θ / cos θ
cosec θ = 1/sin θ
sec θ = 1/cos θ
cot θ = 1/tan θ
Given data ,
Let the distance between the maximum of a sine or cosine graph be A
Now , the maximum of sine graph is when θ = 90°
So , sin 90° = 1
The sine function ranges between -1 and 1, so the minimum is -1 and the maximum is 1
And , the maximum of cos graph is when θ = 360°
So , cos 360° = 1
Maximum value of cos θ is 1 when θ = 0˚, 360˚. Minimum value of cos θ is –1 when θ = 180 ˚.
Hence , amplitude represents half the distance between the maximum of a sine or cosine graph
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2 29. A man travels from Town A to Town B at an average speed of 4 km/h and from Town B to Town A at an average speed of 6km/h. He takes 45 mins to complete the whole journey. Using the algebraic method only, find the distance between Town A and Town B.
Answers
Step-by-step explanation:
distance divided by rate = time
d / (4 km/hr) + d/ (6 km/hr) = .75 hr (.75 is 45 minutes)
d/4 + d/6 = .75
3d/12 + 2d/12 = .75
5d = 12 * .75
5d = 9
d = 9/5 km = 1 4/5 km = 1.8 km
Determine the amplitude of the following function. Graph the function and y=cosx in the same rectangular coordinate system y=-13cosx The amplitude is
Answers
The amplitude of the function y = -13cos(x) is 13.
The amplitude of a trigonometric function represents the maximum absolute value of its range. For a cosine function in the form y = A*cos(x), the amplitude is the absolute value of the coefficient A.
In this case, the coefficient is -13, but the amplitude is always positive, so the amplitude is |(-13)| = 13.
When graphed, the cosine function y = cos(x) oscillates between -1 and 1.
By multiplying the function by -13, we simply stretch the graph vertically by a factor of 13, making the maximum and minimum values of the graph reach 13 and -13, respectively.
The graph of y = -13cos(x) has an amplitude of 13, and it oscillates between -13 and 13 in the y-direction.
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Which inequality would result in the shaded solution on the unit circle to the right?
Answers
Explanation:
Cosine is positive in quadrants I and IV, but quadrant IV isn't shaded in so we can rule out choice A.
Sine is positive in quadrants I and II. So far it looks like choice B could work. In fact, it's the answer because sin(pi/6) = 1/2 and sin(5pi/6) = 1/2. So if 0 ≤ sin(x) < 1/2, then we'd shade the region between theta = 0 and theta = pi/6; as well as the region from theta = 5pi/6 to theta = pi.
Choice C is ruled out because tangent is positive in quadrants I and III, but quadrant III isn't shaded.
Choice D is ruled out for similar reasoning as choice A. Recall that \(\sec(x) = \frac{1}{\cos(x)}\)
Answer:
0 ≤ sin x < 1/2.
Step-by-step explanation:
sin π6 = 1/2
sin 5π/6 = 1/2
sin 0 and sin 180 = 0
The dotted line indicates that the value of the sine is less than 1/2 and the solid line indicates that value is greater or equal to zero.
So the inequality is 0 ≤ sin x < 1/2
A tennis match requires that a player win three of five sets to win the match. If a player wins the first two sets, what is the probability that the player wins the match, assuming that each player is equally likely to win each set
Answers
Using it's concept, it is found that there is a 0.875 = 87.5% probability that the player wins the match.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes.
In this problem, these following outcomes result in the player winning the match:
Wins the third set, with 0.5 probability.Loses the third set but wins the fourth, each with 0.5 probability.Loses the third and fourth sets but wins the fifth, each with 0.5 probability.Hence, the probability that he wins the match is given as follows:
p = 0.5 + 0.5² + 0.5³ = 0.875.
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There are 7 red, 9 blue, 2 yellow and 4 green marbles in a bag. You make 2 draws from the bag without returning the first marble selected back to the bag. What is the possibility you select a red then green marble at random?
Answers
Answer:
11 out of 22 marbles
Step-by-step explanation:
Just add up the red and green marbles to get the top # and then add up all the colored marbles to get the bottom #.
Hope this helps :) Please give brainliest!
Number 1 please if you can explain work
Answers
Answer:
Triangle DEF is similar the XYZ
Step-by-step explanation:
Because if you divide 10 by 18, you get 0.555555...
If you divide 14 by 25.2, you get 0.5555555.....
Need number 9 please answer and help
Answers
Answer:
11
Step-by-step explanation:
A positive will always be a positive. 2 positives is still positive. However, 2 negatives is a positive.
If x+4 Is a Factor Of The Polynomial x³-x²-14x+24 ,Then Find Other Factors.
Answers
Answer:
(x - 3) and (x - 2)
Step-by-step explanation:
Using the method of long division to divide the polynomial by x + 4
x² - 5x + 6
-------------------------------
x + 4 | x³ - x² - 14x + 24
x³ + 4x²
---------------------------
- 5x² - 14x + 24
- 5x² - 20x
-------------------------------
6x + 24
6x + 24
--------------------------------
0 0
The quotient is x² - 5x + 6 = (x - 2)(x - 3)
x³ - x² - 14x + 24 = (x - 2)(x - 3)(x + 4) ← in factored form
|
A sequence can be generated by using the equation shown where a(1)=5 and N is a whole number greater than 1.
What are the first four terms in the sequence shown below?
a. -3, 2, 7, 12
b. 5, 2, -1, -4
c. -3, -15, -75, -375
d. 5, 8, 11, 14
Answers
The first four terms in the sequence are 5, 2, -1 and -4
What are the first four terms in the sequence?From the question, we have the following parameters that can be used in our computation:
an = -3 + a(n - 1)
Where
a(1) = 5
This means that
a(2) = -3 + 5
a(2) = 2
a(3) = -3 + 2
a(3) = -1
a(4) = -3 - 1
a(4) = -4
Hence, the first four terms are 5, 2, -1 and -4
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Solve the linear equation by
combining like terms:
32 – 8 + 3x = 7x
Answers
Answer:
x=6
Step-by-step explanation:
I hope this helps you
Answer:
32-8 + 3x = 7x
24 + 3x = 7x
Then subtract the 3x and move it to the other side
24 = 4x
Then divide both side by 4
24/4 = 4x/4
The answer is
x = 6
Find an equation of the circle that has center (-1,6) and passes through (-6,1)
Answers
Answer:
(x + 1)² + (y - 6)² = 50
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius.
The radius is the distance from the centre to a point on the circle.
Calculate r using the distance formula
r = \(\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }\)
with (x₁, y₁ ) = (- 1, 6) and (x₂, y₂ ) = (- 6, 1)
r = \(\sqrt{(-6+1)^2+(1-6)^2}\)
= \(\sqrt{(-5)^2+(-5)^2}\)
= \(\sqrt{25+25}\)
= \(\sqrt{50}\)
(h, k ) = (- 1, 6 ), then
(x - (- 1))² + (y - 6)² = (\(\sqrt{50}\) )² , that is
(x + 1)² + (y - 6)² = 50 ← equation of circle
I need help on progress learn I’m in the 7th grade any volunteers to help me get done with 4x4 in iss
Answers
Answer: 16
Step-by-step explanation: Basic multiplication
4+4=8
4+4=8
8+8=16 [16!]
6. Let x and y be elements of order 2 in any group G. Prove that if t=xy then tx=xt
−1
(so that if n=∣xy∣<[infinity] then x,t satisfy the same relations in G as s,r do in D
2n
).
Answers
In any group G, let x and y be elements of order 2. We want to prove that if t = xy, then tx = xt⁻¹.To prove this, we consider the product of tx.
Using the definition of t, we have tx = (xy)x. Since x and y are both elements of order 2, we know that x² = e (identity element) and y² = e. Therefore, we can rewrite tx as (xy)x = xyx. Now, we consider the product xt⁻¹. Using the definition of t and the fact that x² = e, we have xt⁻¹ = xyx⁻¹. Since x⁻¹ = x (since x is of order 2), we can simplify xt⁻¹ as xyx⁻¹ = xyx.
Comparing tx and xt⁻¹, we see that tx = xyx and xt⁻¹ = xyx. Therefore, tx = xt⁻¹, as desired.
This result shows that if x and y are elements of order 2 in a group G, their product t = xy satisfies the relation tx = xt⁻¹, which is analogous to the relations satisfied by elements s and r in the dihedral group D₂ⁿ.
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Choose the correct sign to compare the two fractions. Use the models to help. 1/3 shaded part of a column and the other column 5/6 shaded of a column
Answers
Answer: greater than or <
Step-by-step explanation:
It’s < on edgen. For the comparing unlike fractions using models section.
In Exercises 17-20, describe the possible lengths of the
third side of the triangle given the lengths of the other
two sides. (See Example 5.)
17. Sinches, 12 inches 18. 12 feet, 18 feet
Private commen
Add comment to Lau
19. 2 feet, 40 inches
20. 25 meters 25 meters
In Exercises 21-24, is it possible to construct a triangle
with the given side lengths? If not, explain why not.
21. 6. 7. 11
22. 3, 6, 9
23. 28. 17. 46
24. 35, 120, 125
Answers
17. the sum of the lengths of any two sides of a triangle is always greater than the length of the third side
T=the third side
12+18>T
12+T>18
18+T>12
the first equation says that T<30
the second equation says that T>6
putting these together...
6<T<30
(Credit: Arthur D)
what is the square root of 163
Answers
Step-by-step explanation:
The actual square root value is
12.7671453348...
But we Have taken only significant
figure and it is as 12.76
Post-War voices emerge (1950s-1960s) Unit test.
Does anyone hv the answers already
Answers
The post-war period of the 1950s and 1960s saw the emergence of a number of important voices in literature, art, and politics. Here are some examples:
Allen GinsbergJames Baldwin How to explain the informationGinsberg was a prominent poet and a leading figure in the Beat Generation, a group of writers who rejected conventional norms and values. His most famous work, "Howl," was published in 1956 and became a landmark in American literature.
Baldwin was an African-American writer whose novels and essays explored issues of race and sexuality in America. His most famous works include "Go Tell It on the Mountain" (1953) and "The Fire Next Time" (1963).
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Explain the Post-War voices that emerge in (1950s-1960s)
Use the graph to find the solution.
Given the graph of w(x), w(2) = ?
(the graph is below)
THE FIRST ANSWER WILL GET BRAINLIEST OR 5 STARS! PLEASE ANSWER QUICK :)
Answers
Answer:
W(2) = 5
Step-by-step explanation:
Because when you look at the graph, the y value is 5 when the x value is 2.
Answer:
w(2) = 5
Step-by-step explanation:
by using rise over run to find the slope easily, you get a slope of 4 and an equation of w(x) = 4x - 3, -3 being the y-intercept
to calculate w(2):
w(2) = 4(2) - 3
w(2) = 8 - 3
w(2) = 5
or you could just look at when y is 2 and see that the corresponding x value is 5 but i wanted to provide a longer explanation in case :)
5000000
bi 5000
Section B
1. Factorise the following numbers and e
32 b) 81 128 dj 243
Express the following numbers as the
Answers
Make's absolutely no sense. Please rephrase this as a question.