The probability of getting 2 same colour balls in a row = 41/81
Probability:The probability of an event occurring is defined by probability. There are many instances in real life where we may need to make predictions about how something will turn out. The outcome of an event may be known to us or unknown to us.
Probability of an event P(E)
= [ No of favorable outcomes ]/ Total No of outcomes
Here we have
There is a bag filled with 5 blue and 4 red marbles.
Number of balls = 5 + 4 = 9
Marble is taken at random from the bag,
The probability of getting the red ball = 4/9
The probability of getting the blue ball = 5/9
The color is noted and then it is replaced.
Another marble is taken at random.
The probability of getting the red ball 2nd time = 4/9
The probability of getting the blue ball 2nd time = 5/9
The probability of getting red ball in 2 attempts = (4/9)(4/9) = 16/81
The probability of getting blue ball in 2 attempts = (5/9)(5/9) = 25/81
Hence the probability of getting 2 of the same color
= 16/81 + 25/81
= 41/81
Therefore,
The probability of getting 2 same colour balls in a row = 41/81
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find the first second third and fourth derivative of y is equals to 10x raise to Power 9 + 25 x raise to power 4 + 68 + 6 + 12x raise to power 4
Answer:
Step-by-step explanation:
The first derivative of the given function y = 10x^9 + 25x^4 + 68 + 6 + 12x^4 is:
dy/dx = 90x^8 + 100x^3 + 48x^3
= 90x^8 + 148x^3
The second derivative of y = 10x^9 + 25x^4 + 68 + 6 + 12x^4 is:
d^2y/dx^2 = 720x^7 + 444x^2
The third derivative of y = 10x^9 + 25x^4 + 68 + 6 + 12x^4 is:
d^3y/dx^3 = 5040x^6 + 888x
The fourth derivative of y = 10x^9 + 25x^4 + 68 + 6 + 12x^4 is:
d^4y/dx^4 = 30240x^5 + 888
Now you will attempt to copy your original triangle using one of its angles:
Draw a line segment, DE of any length anywhere on the coordinate plane, but not on top of ∆ABC.
Choose one of the angles on ∆ABC. From point D, create an angle of the same size as the angle you chose. Then draw a ray from D through the angle. You should now have an angle that is congruent to the angle you chose on ∆ABC.
Create a point anywhere outside the mouth, or opening, of the angle you created. The point will initially be named F by the tool, but you should rename it point G. Now draw a ray from E through G such that it intersects the first ray. Your creation should be a closed shape resembling a triangle.
Label the point of intersection of the two rays F, and draw ∆DEF by creating a polygon through points D, E, and F.
Click on point G, and move it around. By moving point G, you can change
DEF and EFD while keeping FDE fixed.
Take a screenshot of your results for one position of G, save it, and insert the image in the space below.
The construction of similar triangles are given in attached figure.
What is a triangle?A triangle is a three-sided polygon, which has three vertices. The three sides are connected with each other end to end at a point, which forms the angles of the triangle. The sum of all three angles of the triangle is equal to 180 degrees.
Similar shapes are shapes whose lengths are in an equivalent ratio. Triangle ABC and triangle DEF are similar because the side lengths of both triangles are in an equivalent ratio (refer to the attachment).
Step 1: Draw a random triangle ABC
The lengths of two sides and an angle are:
AB=10
BC=6
C=90
Step 2: Draw and measure the length of DE
DE=15
Step3: Calculate the ratio
The corresponding line segment to DE is line segment AB.
So, the ratio (k) is:
k= DE/AB
k= 15/10
k=1.5
Step 4: Multiply the ratio by the other line segment in step 1
In (1), we have:
BC=6
So,
EF=k*BC
EF=1.5*6
EF=9
Step 4: Draw a circle with center F and radius EF
The center of the circle is point F and the radius of the circle is 9 units
Step 5: Draw a ray from the center (i.e. point F) to DE
Refer to the attached image for
Triangle ABC
Triangle DEF
Circle with center F and radius 9
Ray from F to DE
Therefore, construction of similar triangles are given in attached figure.
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randomly cut a rod into 3 pieces, what is the probability that you can form a triangle with the resulting 3 pieces?
The probability of a random rod forming a triangle if it is divided into 3 parts is 1.
Here we are asked the probability of a random rod forming a triangle if it is divided into 3 parts.
Now a point to be noted here is that we are not asked whether it forms a perfect triangle. A perfect triangle would have been the case when while making a triangle, no extra length is left out.
A triangle has three vertices and three edges. Hence we can safely say if there are 3 pieces of rod, it will ultimately form a triangle.
There might be some spare length on the side, but nonetheless, a triangle will be formed.
Hence the probability to form a triangle is 1
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p to view steps... 9 p 2 − 1 p q − 2 q ÷ 1 − 3 p 3 p − 6 9 p 2 - 1 p q - 2 q ÷ 1 - 3 p 3 p - 6
By applying Algebraic fractions simplifying concept, it can conclude that the simplified expression is - (9p + 3) / q.
Algebraic fractions simplifying can be done by factoring the quantifier and denominator, then dividing by the common factors of the quantifier and denominator.
We have the following algebraic fraction:
((9p² - 1) / (pq - 2q)) / (1 - 3p) / (3p - 6)
To simplify this expression, we will do the following steps:
First, we apply the division rule: (a/b) / (c/d) = ad / bc:
((9p² - 1) / (pq - 2q)) / (1 - 3p) / (3p - 6)
⇔ ((9p² - 1) (3p - 6)) / ((pq - 2q) (1 - 3p))
Then we find the factors of (9p² - 1), that are (3p - 1) (3p + 1):
⇔ ((3p - 1) (3p + 1) (3p - 6)) / ((pq - 2q) (1 - 3p))
Factor other expressions that are not already factored in:
⇔ ((3p - 1) (3p + 1) 3 (p - 2)) / (q (p - 2) (1 - 3p))
Now we cancel the common factor (p - 2), so we have:
⇔ (3 (3p - 1) (3p + 1)) / (-q (3p - 1))
Then we cancel the common factor (3p -1), so we have:
⇔ (3 (3p + 1)) / -q
Finally, we expand the expression:
⇔ - (9p + 3) / q
Thus the simplified expression is - (9p + 3) / q.
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13.
In circle A, secant EC and tangent BC intersect at C.
mEB = 166° and mBD = 80°
B
А.
С
What is mZBCD ?
we are given that circle A has a secant EC and a tangent BC that intersect at point C. We are also given that mEB = 166° and mBD = 80°. Our task is to find the measure of angle ZBCD, which is formed by the intersection of secant EC and tangent BC.
To find mZBCD, we first need to find mECB. Since EC is a secant and BC is a tangent to circle A, and EC and BC intersect at C, we know that:
mECB = mBEC (because they are opposite angles formed by intersecting lines)
Also, mBEC = 180° - mEB (because BEC is a straight line)
So, mECB = 180° - mEB = 180° - 166° = 14°
Since mBD is 80°, we have:
mZBCD = mECB + mBD = 14° + 80° = 94°
So, mZBCD = 94°. This means that angle ZBCD is 94°.
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If BD =2. 8, What is CP? (Round your answer to the nearest tenth. Write NA if there is not enough Information given. )
By applying the Isosceles trapezoid concept, it can be concluded that the value of CP is 1.1 units.
Isosceles trapezoid has four sides, in which the two opposite sides (bases) are parallel to each other and the other two sides are equal in length but non-parallel to each other. The diagonals of an isosceles trapezoid are congruent.
We have an isosceles trapezoid with:
Length BD = 2.8 = diagonal
Length AP = 1.7 where P is the center
Since the diagonals of an isosceles trapezoid are congruent, so BD = AC = 2.8
Meanwhile AC = AP + CP. If we substitute the value of AC and AP, we got the value of CP:
CP = AC - AP
= 2.8 - 1.7
= 1.1
Thus, the value of CP is 1.1 units.
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in a bag of 10 marbles, there are 4 blue, 3 red, 2 green, and 1 yellow. What is the probability that you draw one marble that is green, replace it, and draw another marble that is red? Enter your answer as a fraction in lowest terms. Do not add spaces to your answer.
The probability of drawing a green marble and replacing it is 2/10 = 1/5.
Since the marble is replaced, the probability of drawing a red marble on the second draw is still 3/10.
The probability of both events occurring is the product of their individual probabilities:
1/5 * 3/10 = 3/50
So the probability of drawing a green marble, replacing it, and drawing a red marble is 3/50.
2(5+3(10+5(12-3))) como la resuelvo?
Answer:
340
Step-by-step explanation:
[tex]2(5 + 3(10 + 5(12 - 3)))[/tex]
let's start with:
The most inner brackets[tex]5(12 - 3)[/tex]
[tex](12 - 3) = 9[/tex]
[tex]5(9) = 45[/tex]
let's rewrite the question now while removing the solved brackets and substituting it with 45
[tex]2(5 + 3(10 + 45))[/tex]
let's solve the current inner brackets[tex]3(10 + 45)[/tex]
[tex](10 + 45) = 55[/tex]
[tex]3(55) = 165[/tex]
let's rewrite the question and do the same thing as before
[tex]2(5 + 165)[/tex]
Lastly let's solve the last brackets[tex]2(5 + 165)[/tex]
[tex](5 + 165) = 170[/tex]
[tex]2(170) = 340[/tex]
Cynthia Besch wants to buy a rug for a room that is 18 ft wide and 26 ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 180 square feet of carpeting. What dimensions should the rug have? The dimensions of the rug should be 28 ft. (Use a comma to separate answers as needed.) 18 ft 180 ft 26 ft
The length and width will be 18 feet and 10 feet respectively.
How to calculate the dimensionsFrom the information, Cynthia Besch wants to buy a rug for a room that is 18 ft wide and 26 ft long and she wants to leave a uniform strip of floor around the rug and can afford to buy 180 square feet of carpeting.
The dimensions are 28 by 16 feet
The dimensions of the rug will be:
= (26 - 2x)(18 - 2x)
Maximum area = 180 feet²
(26 - 2x)(18 - 2x) = 180
468 - 88x + 4x² = 180
4x² - 88x + 288 = 0
x² - 22x + 72 = 0
x = 4 and 18
The width will be:
= 18 - 2x
= 18 - 2(4)
= 10
The length will be:
= 26 - 8
= 18 feet
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The equation of line g is y = 6x - 7. Line h, which is parallel to line g, includes the point
(1, 1). What is the equation of line h?
Write the equation in slope-intercept form. Write the numbers in the equation as simplified
proper fractions, improper fractions, or integers.
DjO
Answer:
y = 6x -5
Step-by-step explanation:
You want the equation of the line through (1, 1) that is parallel to the line y = 6x -7.
Parallel lineThe parallel line will have the same slope. In this slope-intercept form, that means the x-term is the same. The constant is chosen to make the line pass through the given point:
y = 6x +b . . . . . . . . . . . . . . where 'b' is the new y-intercept
b = y -6x = 1 -6·1 = -5 . . . . solve for b, use (x, y) = (1, 1)
The desired equation is ...
y = 6x -5
4) what number of floors n would make the probability of that specific sequence of customer floors as large as possible?
It depends on the specific sequence of customer floors you're looking for. Without knowing that sequence, it's not possible to determine the number of floors that would make the probability of that sequence as large as possible.
In general, the probability of a specific sequence of customer floors will depend on several factors, such as the number of floors in the building, the number of customers, and the order in which they press the buttons.
To determine the number of floors that would maximize the probability of a specific sequence, you would need to know the details of the scenario and perform a more in-depth analysis.
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lamar is customizing his next pair of basketball shoes. the following table shows the design components and how many options he has for each. * how many different shoe combinations can lamar create?
By applying Fundamental counting principle, it can be concluded that there are 2560 different shoe combinations that can be created.
Fundamental counting principle states that if the first event can be done in k₁ different ways, the second event can be done in k₂ different ways, and so on until the [tex]n^{th}[/tex] event, then the number of different ways of all these events is K, where:
K = k₁ x k₂x . . . x kₙ
The following table shows the design components and how many options Lamar has for each:
Design component Number of options
Primary color 8
Secondary color 8
Sole color 8
Lace color 5
Then we can calculate the number of different combinations that can be created as follows:
Number of combinations = number of option₁ x number of option₂ x
number of option₃ x number of option₄
= 8 x 8 x 8 x 5
= 2560
Thus there are 2560 different shoe combinations that can be created.
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The population of a certain animal species decreases at a rate of 12.5% per year. In 2021, at the beginning of the study, you counted 97 of the animal species you are studying in their natural habitat. Write a function that models the change in the animal population.
The equation is P(t)= 97(0.875)t, where t is the number of years since 2021 and P(t) is the population at time t.
The animal population's change through time is modelled by the function P(t) = 97(0.875)t, where P(t) is the population at time t and t is the number of years since 2021. The function is based on the assumption that the population declines by 12.5% annually. As a result, starting in 2021, the population will fall by 12.5% year. The initial population in 2021 (97) must be multiplied by 0.875t in order to determine the population at any given year t. You will receive the population at that specific year from this. For instance, 97(0.875)5 = 60.2 will be the population in 2026 if t = 5. Accordingly, the population fell from 97 to 60.2 after five years. We can track and research population changes by using this function to anticipate the animal species' population over time.
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The local grocery store is having a sale on sports drinks. For a particular brand of sports drink, a 6-pack of 20-ounce bottles costs $4.96. What is the unit price (per ounce) for the sports drink? Round your answer to the nearest cent.
Answer:
0.24
Step-by-step explanation:
4.96÷20=0.248
Round to the nearest cent: 0.24
(in survey done in a group of 500 children, 250 children liked doughnut only and 30% liked bread but not doughnut. If every children likes at least one of them.): (i)Find the number of children who liked both doughnut and bread. (ii)Find the number of children who like bread
Step-by-step explanation:
Come over here
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What is the slope of a line containing the points 5,5 and -9,0
The slope of a line containing the points 5,5 and -9,0 is 5/14.
What is the slope of a line which passes through points ( p,q) and (x,y)?If we have a non-vertical line that passes through any point(x1, y1) has gradient m. then general point (x, y) must satisfy the equation
Its slope would be:
[tex]m = \dfrac{y-q}{x-p}[/tex]
Slope of parallel lines are same. Slopes of perpendicular lines are negative reciprocal of each other.
Given;
The two points 5,5 and -9,0
m= 0-5/-9-5
m=-5/-14
m=5/14
Therefore, the slope will be 5/14.
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Employee Performance
Adequate
Good
Outstanding
5%
8%
10%
The employee makes 10.60 per hour.
What is the raise amount if the performance is Adequate?
The raise amount if the performance of the employee is adequate, would be $ 0. 53
How to find the raise amount ?To find the raise amount when the performance by an employee for the period is adequate, the formula is:
= Current pay per hour x Raise percentage for adequate work
Current pay per hour = $ 10. 60 per hour
Raise percentage for adequate work = 5 %
The raise amount is therefore :
= 10. 60 x 5 %
= 10. 60 x 0. 05
= $ 0. 53
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12d + 8r is___ to 2(5d+4r)+4d
Answer: equivalent
To determine if two expressions are equal, we can set them equal to each other and simplify if possible.
12d + 8r = 2(5d + 4r) + 4d
Expanding the right-side expression:
12d + 8r = 10d + 8r + 4d
Combining like terms:
12d + 8r = 14d + 8r
Subtracting 8r from both sides:
12d = 14d
Subtracting 12d from both sides:
0 = 2d
Dividing both sides by 2:
d = 0
So the expressions are equal if d = 0, meaning if the coefficient of the variable d is 0 in both expressions. If d is not 0, then the expressions are not equal.
Step-by-step explanation:
The length of a rectangle l is 4 units longer than its width. What is the area of the rectangle?
Answer:
Assuming you are looking for an expression to represent the area of the rectangle, as you didn't provide any values for the length or width, the area of the rectangle is [tex]x^{2} +4x[/tex] [tex]un^{2} .[/tex]
Step-by-step explanation:
The formula for the area of a rectangle is [tex]a=lw[/tex], where [tex]l[/tex] represents the length of the rectangle, and [tex]w[/tex] represents the width. We are given that the length of the rectangle is 4 units longer than its width, so we can set the width to be represented by the variable [tex]x[/tex], and we get that the length and width are [tex]x+4[/tex] and [tex]x[/tex] respectively. As we are trying to find the area of the rectangle, we have to multiply the length and width of the rectangle together, which then we will get that the area of the rectangle is [tex]x(x+4)=x^{2} +4x[/tex] [tex]un^2.[/tex]
If your teacher or whatever website you're using requires a specific variable, you can just replace the [tex]x[/tex] in the expression to whatever you need.
Have a great day! Feel free to let me know if you have any more questions :)
What are the statements and reasons to prove that a kite is a kite
The statements and reasons to prove that a kite is a kite are:
Has two pairs of equal sides, AB=BC and AD=CD Angle A = angle C The diagonal of AC is not the same length as BDAbout kite shapeA kite is a flat figure that has 2 pairs of equal sides and 2 diagonals that are perpendicular and intersect.
In terms of shape, the kite is similar to a rhombus, but the difference is that in a rhombus, all four sides are the same length.
The nature of a kite's flat wake is that it consists of 4 sides with 2 pairs of sides of the same length.
Characteristics of KitesThe properties of a kite's flat wake are as follows:
• Has 4 sides consisting of 2 pairs of equal sides, namely AB = AD and BC = CD
• Has 4 corners consisting of 2 pairs of opposite angles
• Has 2 opposite angles that are equal in size, namely ∠ABC = ∠CDA
• Has 2 diagonals that intersect and are perpendicular
• 2 Diagonals that intersect each other with different lengths
• Has 1 axis of symmetry
• Has 1 fold symmetry
• Has 1 rotational symmetry
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Rajiv travels from Calais to Paris.He travels 185 miles.Find out how far he travels in kilometers.
He travels a total distance of 296 Kilometers.
What is distance?The amount of space between two locations is defined as distance. It is often measured in metres, kilometres, or miles. Distance may also refer to the length of time it takes to go from one location to another. The length of a path or the size of an item may be measured using distance. Distance may also be used to calculate an object's speed or the time it takes to go a specific distance.
Given :
miles = 185
Since , 5 miles = 8 kilometers
Therefore, on converting , 185 miles into kilometers , we get
185/5 = 37 kilometers
Also , it has given that 37 Km is exactly 8 times , thus
total distance = 37 * 8 = 296
Hence , he travels a total distance of 296 Kilometers.
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An image of a parallelogram is shown.
What is the area of the parallelogram?
The area of the parallelogram is 416.25 cm²
What Is the Area of Parallelogram?The area of a parallelogram refers to the total number of unit squares that can fit into it and it is measured in square units (like cm², m², in², etc). It is the region enclosed or encompassed by a parallelogram in two-dimensional space.
Given here: The height = 18.25 ft and base=22.5 ft.
Thus the area of the parallelogram is
A=18.25×22.5
A=416.25 cm²
Thus the area of the parallelogram is 416.25 cm²
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Gloria recently bought a new Pixel phone. One day, she got an alert regarding her screen time for the past week. She decided she was spending too much time on her phone, so she started to keep an eye on her minutes of screen time.
One week after starting to keep an eye on her screen time, Gloria's weekly screen time was down by 15% to 884 minutes.
What was the growth factor from her initial screen time to her screen time one week later?
The growth factor is 0.85.
How did we get the value?Let's call her initial screen time "x". After one week, her screen time was 884 minutes, which is 100% - 15% = 85% of her initial screen time.
So, 884 minutes = 0.85x
Dividing both sides by 0.85, we get:
x = 1040 minutes
So her initial screen time was 1040 minutes.
The growth factor from her initial screen time to her screen time one week later is:
884 minutes / 1040 minutes = 0.85
So, the growth factor is 0.85.
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What is the sum of 17.25 and 1.725 , to the nearest integer?
The sum of 17.25 and 1.725, to the nearest integer, is 19.
First, let's add the two numbers together: 17.25 + 1.725 = 19.975
Next, we need to round the sum to the nearest integer. To do this, we need to look at the tenths place of the number. Since the tenths place is a nine, we need to round up to the nearest integer.
In this case, the nearest integer is 19.
To check our answer, we can add the two numbers together again using a calculator and confirm that the answer is 19.
To make sure we understand how to round to the nearest integer, let's look at another example. If we add 3.45 + 2.735, the sum is 6.185.
Looking at the hundredths place, we see that it is a five. Since five is greater than or equal to five, we need to round up to the nearest integer.
In this case, the nearest integer is 7.
To check our answer, we can add the two numbers together again using a calculator and confirm that the answer is 7.
In summary, to round a number to the nearest integer, we need to look at the tenths place. If the tenths place is greater than or equal to five, we round up to the nearest integer. If it is less than five, we round down to the nearest integer.
Therefore, the sum of 17.25 and 1.725, to the nearest integer, is 19.
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The sum of 17.25 and 1.725 is 18.975. To the nearest integer, this number is rounded up to 19.
Rounding to the nearest integer involves finding the closest whole number to a decimal or fractional number. When the decimal portion of a number is greater than or equal to 0.5, the number is rounded up to the next whole number. When the decimal portion of a number is less than 0.5, the number is rounded down to the previous whole number. In this case, the decimal portion of 18.975 is greater than 0.5, so the number is rounded up to 19.
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70 POINTS !!!! please help and show work !!
Find the equation of the line passing through (1,5) and parallel to y = 3x - 1.
The equation of the line passing through (1,5) and parallel to y = 3x - 1 is f(x) = 3x + 2
What is the equation of a line?The equation of a line can be formed with the help of the slope of the line and a point on the line.
The general equation of a straight line is y = mx + c, where m is the gradient, and y = c is the value where the line cuts the y-axis.
Parallel lines have the SAME SLOPE. Since the formula is in the form y=mx+b, the slope. m. is 3.
The line is y = 3x + b and goes through (1,5), so, let's determine b:
5 = 3(1) + b
2 = b
Hence, the equation of the line is f(x) = 3x + 2
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NEED HELP ASAP WILL GIVEE BRAINALIST TO THE CORRECT ANSWER DUE IN 20 MIN
Answer:
Below
Step-by-step explanation:
4/ 9 z - 5/9 z + 2 - 3/9 z - 9
(4-5-3)/9 z +2 - 9
-4/9 z +2-9
-4/9 z - 7
Given the two concentric circles with center N below, LN = 13.5. Find the area of
the shaded region. Round your answer to the nearest tenth if necessary.
Answer:
371.54 sqr units
Step-by-step explanation:
area of a circle=πr²
area of inner circle=3.142×8×8=201.088 square units.
area of outer circle = 3.142×13.5×13.5=572.6295 square units
572.6295-201.088=371.5415 square units
=371.54 sqr units
need helpppp
SCHOOLOGY
The missing angle measures are given as follows:
b = c = 137º.
What are vertical angles?Vertical angles are angles that are opposite by the same vertex in crossing segments, and these angles are congruent.
The vertical angles in this problem are:
b and c.
Additionally, these angles form a linear pair with the angle of 43º, meaning that they are supplementary, with a sum of their measures of 180º, hence their measures are given as follows:
b + 43º = 180º
b = 180º - 43º
b = 137º.
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need help pls
schoology]
Answer:
31⁰
Step-by-step explanation:
[tex]a + 59 = 90[/tex]
[tex]a + 59 - 59 = 90 - 59[/tex]
[tex]a = 31[/tex]
puja limbu did 8 out of 10 math problem and raju lama did
11 out of 15 similar math problem express the number of problem solved by each of the them in fraction and identify who did better performance
The equivalent fractions for their ratios are given as follows:
Puja Limbu: 24/30.Raju Lama: 22/30.Hence, due to the higher numerator, Puja Limbu had the better performance.
What are equivalent fractions?Equivalent fractions are fractions that have the same denominator.
The fractions for this problem are given as follows:
Puja Limbu: 8/10.Raju Lama: 11/15.The common denominator is the least common multiple of 10 and 15, which is of 30, hence the equivalent fractions are given as follows:
Puja Limbu: 24/30. -> multiply numerator and denominator by 3, as 30/10 = 3.Raju Lama: 22/30. -> multiply numerator and denominator by 2, as 30/15 = 2.More can be learned about equivalent fractions at https://brainly.com/question/24372153
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