Answer: first one is 700
Step-by-step explanation:
Help guys anyone please HELP!!!
The sum of the given expression is equal to 3.
What is numerical integration?The process of numerical integration involves applying numerical techniques to approximate the value of a determined integral of a function across a specified interval. To approximate integrals that are challenging or impossible to solve analytically, it is employed in calculus.
Numerical integration works by breaking the integration interval into smaller subintervals, approximating the function over each subinterval with a simple function, and then summing the areas under the curve of the approximating function over each subinterval to estimate the integral.
Determine the value of f(xi):
f(x1) = (0-2)^3 = (-2)³ = -8
f(x2) = (1-2)^3 = (-1)³ = -1
f(x3) = (2-2)^3 = 0³ = 0
f(x4) = (3-2)^3 = 1³ = 1
f(x5) = (4-2)^3 = 2³ = 8
f(x6) = (5-2)^3 = 3³ = 27
Substituting the value in the given summation we have:
Σ i = 1 to 6 f(xi) Δ x = f(x1) Δ x + f(x2) Δ x + f(x3) Δ x + f(x4) Δ x + f(x5) Δ x + f(x6) Δ x
= (-8)(0.1) + (-1)(0.1) + (0)(0.1) + (1)(0.1) + (8)(0.1) + (27)(0.1)
= -0.5 + (-0.1) + 0 + 0.1
= 3
Hence, the sum is equal to 3.
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?the scale on a map is the scale on a map is 3 is to 10 lakh the distance between two cities is 65 km how far apart are the two cities on the map
HELP PLEASE HELP SHOW WORK ASAP
Answer:
The answer is 4.5 miles.
Step-by-step explanation:
To solve this problem, we must remember that the shortest distance between two points lies along a straight line. In this case, this straight line is the hypotenuse of the triangle formed with the 2 mile and 4 mile legs. As a result, we can use the Pythagorean Theorem to find the distance between Lisa's house and the pool.
Pythagorean Theorem:
a² + b² = c²
2² + 4² = c²
c² = 4 + 16
c = √20
c = 4.5 miles (rounded to the nearest tenth)
Therefore, the shortest distance between Lisa's house and the pool is 4.5 miles.
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[tex]\blue{\huge {\mathrm{PYTHAGOREAN \; THEOREM}}}[/tex]
[tex]\\[/tex]
[tex]{===========================================}[/tex]
[tex]{\underline{\huge \mathbb{Q} {\large \mathrm {UESTION : }}}}[/tex]
Lisa's school is located 2 miles north of her house. The pool is located 4 miles east of her school. What is the shortest distance between her house and the pool? Round your answer to the nearest tenth of a mile.[tex]{===========================================}[/tex]
[tex] {\underline{\huge \mathbb{A} {\large \mathrm {NSWER : }}}} [/tex]
The shortest distance between Lisa's house and the pool is 4.5 miles (rounded to the nearest tenth of a mile).*Please read and understand my solution. Don't just rely on my direct answer*
[tex]{===========================================}[/tex]
[tex]{\underline{\huge \mathbb{S} {\large \mathrm {OLUTION : }}}}[/tex]
We can use the Pythagorean theorem to find the shortest distance between Lisa's house and the pool.
Let's call the distance we're trying to find "d". We know that Lisa's school is 2 miles north of her house and the pool is 4 miles east of her school, so we can draw a triangle with the following sides:
a = 2 miles (the vertical side, from Lisa's house to her school)b = 4 miles (the horizontal side, from Lisa's school to the pool) c = d (the hypotenuse, the shortest distance from Lisa's house to the pool)Using the Pythagorean theorem, we can find d:
[tex]\qquad\qquad\qquad\begin{aligned}\sf c^2& =\sf a^2 + b^2\\\sf d^2& =\sf 2^2 + 4^2\\\sf d^2& =\sf 4 + 16\\\sf d^2& =\sf 20\\\sf d& =\sf \sqrt{20}\\\bold{d}& =\sf \boxed{\bold{\: 4.5\: miles\:}}\end{aligned}[/tex]
[tex]\\[/tex]
Therefore, the shortest distance between Lisa's house and the pool is 4.5 miles (rounded to the nearest tenth of a mile).
[tex]{===========================================}[/tex]
[tex]- \large\sf\copyright \: \large\tt{AriesLaveau}\large\qquad\qquad\qquad\tt 04/01/2023[/tex]
The period p of a pendulum, or the time it takes for the pendulum to make one complete swing, varies directly as the square root of the length L of the pendulum. If the period of a pendulum is 1.8 s when the length is 2 ft, find the period when the length is 3 ft.
The period of the pendulum when the length is 3 ft is approximately 2.08 seconds.
What is the period?
We are given that the period P varies directly as the square root of the length L of the pendulum. We can write this as:
P ∝ √L
Using a proportionality constant k, we can write this as an equation:
P = k√L
To find the value of k, we can use the information given in the problem: when L = 2 ft, P = 1.8 s. Substituting these values into the equation, we get:
1.8 = k√2
To solve for k, we can isolate it by dividing both sides by √2:
k = 1.8 / √2
Now we can use this value of k to find the period when the length is 3 ft. Substituting L = 3 ft and the value of k we just found into the equation, we get:
P = k√L
P = (1.8 / √2) √3
P ≈ 2.08 seconds
Therefore, the period of the pendulum when the length is 3 ft is approximately 2.08 seconds.
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A cube wooden block measures 3 feet by 3 feet by 3 feet. Wedges 1 foot from each corner are cut out from the cube, the first cut of which is shown in the figure above. After all the wedges are removed, how many edges does the cube have?
Q27
Answer:
e
Step-by-step explanation:
1 The points (-8, 5) and (-4, r) lie on a line with slope 1/4. Find the missing coordinate r.
Answer:
Step-by-step explanation:
We can use the slope formula to find the slope of the line passing through the two given points:
slope = (y2 - y1) / (x2 - x1)
where (x1, y1) = (-8, 5) and (x2, y2) = (-4, r).
Substituting these values, we have:
1/4 = (r - 5) / (-4 - (-8))
1/4 = (r - 5) / 4
r - 5 = 1
r = 6
Therefore, the missing coordinate is r = 6.
Write TWO different equations to express the following situation:
Jerome makes $68 after a day of work. He receives $30 in tips, so he took a home of total of $98 that day.
1. x + 30 = 98 equation says that Jerome's total earnings y for the day is equal to his wages.
2. y = 68 + 30 equation says that Jerome's total earnings y for the day is equal to his wages.
What is equation?A statement that affirms the equality of two expressions connected by the equals symbol "=" is known as an equation. For illustration, 2x - 5 = 13. 2x - 5 and 13 are expressions in this case. These two expressions are joined together by the sign "=".
There are different ways to represent this situation algebraically, but here are two possible equations:
1. Let x be the amount of money Jerome earns in wages, then the equation can be written as:
x + 30 = 98
This equation says that the sum of Jerome's wages x and his tips of $30 is equal to his total earnings of $98 for the day.
2. Alternatively, we can let y be the total amount of money Jerome makes for the day (including tips), then we can write:
y = 68 + 30
This equation says that Jerome's total earnings y for the day is equal to his wages of $68 plus his tips of $30.
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Find the length of the segment indicated
The length of the segment indicated in the circle is 12 units
Calculating the length of the segment indicatedFrom the question, we have the following parameters that can be used in our computation:
The circle
Since the radius is perpendicular to the chord and intersects the chord at its midpoint, then the radius will divide the chord into two equal segments.
Using the above as a guide, we have the following:
x = 12
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Please help me this is for a homework
Answer:
{0, 1, 2}
Step-by-step explanation:
4x<8x+2
-4x<2
x<-1/2
Only {0, 1, 2} meets all critera
If I watch tv 4 days out of 7 each and I watch 28 days how many days will I watch tv i NEED THIS ASAP
you will watch TV for approximately 16 days out of the 28 days.
If you watch TV for 4 days out of 7 each week, then the fraction of the week that you spend watching TV is:
4/7
To find the total number of days you will watch TV over 28 days, you can use the proportion:
4/7 = x/28
where x is the number of days you will watch TV.
To solve for x, you can cross-multiply:
4 * 28 = 7 * x
112 = 7x
x = 112/7
x ≈ 16
Therefore, you will watch TV for approximately 16 days out of the 28 days.
What is proportion?
Proportion is a mathematical concept that expresses the relationship between two quantities or values. It is often represented as a fraction, with the numerator and denominator representing the values being compared.
In a proportion, the two ratios are equal. For example, if you have a bag of marbles containing 6 red marbles and 4 blue marbles, the proportion of red to blue marbles is 6:4, or 3:2. This can also be written as a fraction: 3/2.
Proportions are useful in many areas of mathematics and everyday life, including geometry, statistics, and finance. They are also used in problem-solving to find missing values or to determine if two values are proportional to each other.
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ABC is an isosceles triangle. AB=BC and angle BAC = 40°.
Answer: ABC = 70°, ACB = 70°
Step-by-step explanation:
I think the question asks the other two angles
ABC = (180 - 40)/2
ABC = 70
ABC = ACB since isosceles triangle
ACB = 70
PLEASE PLEASE HURRY I WILL MARK BRAILIEST!!!!!
What type of angles are angles 1 and 7?
Responses:
congruent vertical angles
supplementary same-side exterior angles
congruent corresponding angles
supplementary alternate exterior angles
angles 1 and 7 are congruent corresponding angles because they are in corresponding positions on two parallel lines intersected by a transversal, and they have the same measure or size. Thus, option C is correct.
What is the congruent corresponding angles?Angle 1 and angle 7 are corresponding angles because they are in the same position relative to the transversal and the parallel lines.
Specifically, they are in corresponding positions on the parallel lines, meaning that they are on the same side of the transversal.
in the same position relative to the intersection point of the transversal and the parallel lines, and they are both either interior m, or exterior angles. In this case, angles 1 and 7 are both interior angles.
Furthermore, angles 1 and 7 are congruent corresponding angles because they have the same measure or size.
Therefore, angles 1 and 7 are congruent corresponding angles because they are in corresponding positions on two parallel lines intersected by a transversal, and they have the same measure or size.
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25-2•(4-a) open parentheses and simplify
Answer:
17 - a
Step-by-step explanation:
1. Open parentheses: 25 - 2 x 4-a
2. Follow the Order of Operations to simplify:
-PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction):
- 25-2 x 4 - a
- 25 - 8 - a
- 17 - a
[tex] \frac{ \sqrt{5} }{ \sqrt{5} + 2} [/tex]
express surd fraction with rational denominator
Answer:
Step-by-step explanation:
We will rationalize the denominator:
[tex]\frac{\sqrt{5} }{\sqrt{5} +2} =\frac{\sqrt{5} }{\sqrt{5} +2} \times \frac{\sqrt{5} -2}{\sqrt{5} -2}[/tex]
[tex]=\frac{\sqrt{5} (\sqrt{5} -2)}{(\sqrt{5} +2)(\sqrt{5} -2)}[/tex]
[tex]=\frac{5-2\sqrt{5} }{5-2\sqrt{5} +2\sqrt{5} -4}[/tex]
[tex]=\frac{5-2\sqrt{5} }{1}[/tex]
[tex]=5-2\sqrt{5}[/tex]
7.
Find the binomial that must be multiplied by 5x³yz² to obtain 15x³y2z5 + 5x³yz?. (Hint: Divide by the monomial.)
3yz
O 3yz³ + 1
none of the answer choices
MacBook Air
O 15x³y²z5
O 3yz³
Answer:
3yz^3 + 1
Step-by-step explanation:
let b = the binomial we are looking for.
divide and receive your answer
Point A is located at (-3, -5). If point B is 11 units away and is located in quadrant 2, what are the coordinates for point B?
The answer of the given question based on the graph is the coordinates of point B are (-8, 4).
What is Quadrant?A quadrant is one of four regions into which coordinate plane is divided by x-axis and y-axis. The x-axis is horizontal axis and the y-axis is vertical axis. The quadrants are labeled using Roman numerals, starting in upper right quadrant and moving counterclockwise.
Since point B is 11 units away from point A, we know that the distance between them is:
d = √((x2 - x1)² + (y2 - y1)²) = 11
where (x1, y1) = (-3, -5) are the coordinates of point A, and (x2, y2) are the coordinates of point B.
We also know that point B is located in quadrant 2, which means that its x-coordinate is negative and its y-coordinate is positive.
To find the coordinates of point B, we can use the distance formula and the fact that point B is in quadrant 2:
d = √((x2 - x1)² + (y2 - y1)²) => 11 = √((x2 - (-3))² + (y2 - (-5))²)
Since point B is in quadrant 2, its x-coordinate is negative and its y-coordinate is positive:
x2 < 0, y2 > 0
We can choose any values for x2 and y2 that satisfy these conditions and the distance formula equation. Let's choose x2 = -8 and y2 = 4:
11 = √((-8 - (-3))² + (4 - (-5))²)
11 = √(25 + 81)
11 = √106
Therefore, coordinates of point B is (-8, 4).
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What is 1/2% to a ratio ?
To convert 1/2% to a ratio, we first convert it to a decimal by dividing by 100:
1/2% = 1/2 ÷ 100 = 0.005
Then we express this decimal as a ratio by putting it in the form of x:y:
0.005 = x:y
To simplify this ratio, we can multiply both sides by a factor that will make x and y whole numbers. For example, we can multiply both sides by 100:
0.005 × 100 = x:y × 100
0.5 = x:y
So 1/2% as a ratio is 1:200.
1/2% is equivalent to 0.5% or 0.005 as a decimal.
To express 0.005 as a ratio, you can write it as a fraction with a numerator of 0.005 and a denominator of 1. Then, you can multiply both the numerator and denominator by 100 to get rid of the decimal and express it as a ratio.
0.005/1 = (0.005
Therefore, 1/2% is equivalent to the ratio 0.5:100 or 1:200.
Write the statement in words. Let p="The plane is on time." Let q="The sky is clear."
Q->~P
The statement can be read as "If the sky is clear, then the plane is not on time."
What is the conditional statement?
A conditional statement is a logical statement that has two parts: an antecedent (also called a hypothesis) and a consequent (also called a conclusion). The statement asserts that if the antecedent is true, then the consequent must also be true.
The statement "Q -> ~P" is an example of a conditional statement in symbolic logic.
In this case, Q represents "The sky is clear" and ~P represents "The plane is not on time" (the tilde symbol ~ negates the truth value of P).
The arrow symbol -> means "implies" or "if...then". Therefore, the statement can be read as "If the sky is clear, then the plane is not on time."
In other words, the statement is saying that if the sky is clear, then it is not possible for the plane to be on time.
This is because the statement implies that the plane being on time is dependent on the sky not being clear. So if the sky is clear, it means that the conditions for the plane to be on time are not present, and therefore the plane is not on time.
It's worth noting that the statement does not say anything about what happens if the sky is not clear.
It's possible that the plane could still be on time even if the sky is not clear, according to this statement.
Hence, the statement can be read as "If the sky is clear, then the plane is not on time."
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A group consists of four Democrats and six Republicans. Three people are selected to attend a conference.
a. In how many ways can three people be selected from this group of ten?
b. In how many ways can three Republicans be selected from the six Republicans?
c. Find the probability that the selected group will consist of all Republicans.
a. The number of ways to select three people from the group of ten is.
b. The number of ways to select three Republicans from the group of six Republicans is.
c. The probability is
(Type an integer or a simplified fraction.
a. The number of ways to select three people from the group of ten is 120.
b. The number of ways to select three Republicans from the group of six Republicans is 20.
c. The probability is 1/6.
What is probability?
Probability refers to potential. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events. The degree to which something is likely to happen is essentially what probability means.
a. The number of ways to select three people from a group of ten is given by the combination formula:
C(10,3) = 10! / (3! * (10 - 3)!) = 120
Therefore, there are 120 ways to select three people from this group of ten.
b. The number of ways to select three Republicans from the six Republicans is given by the combination formula:
C(6,3) = 6! / (3! * (6 - 3)!) = 20
Therefore, there are 20 ways to select three Republicans from the six Republicans.
c. The probability of selecting all Republicans is the number of ways to select three Republicans divided by the total number of ways to select three people:
P(all Republicans) = C(6,3) / C(10,3) = 20/120 = 1/6
Therefore, the probability that the selected group will consist of all Republicans is 1/6.
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two squares of length x are cut out of adjacent corners of an 18 inch by 18 inch piece of cardboard and two rectangles of length 9 and width x are cut out of the other two corners of the cardboard (see figure below) the resulting piece of cardboard is then folded along the dashed lines to form a closed box. Find the dimensions and volume of the largest box that can be formed in this way.
Answer:
3 in × 6 in × 12 in216 in³Step-by-step explanation:
You want the dimensions and volume of a cuboid that can be made from an 18 in square of cardboard when an x-inch square is cut from two adjacent corners, and an x-inch by 9-inch rectangle is cut from the other two corners.
DimensionsThe longest side of the cuboid will have length (18 -2x). The second longest side will have length (18 -9 -x) = (9 -x). The shortest side will have length x.
VolumeThe volume of the cuboid is the product of these side lengths:
V = (18 -2x)(9 -x)(x) = 2x(9 -x)²
Maximum volumeThe value of x that maximizes volume will be the value that makes the derivative with respect to x be zero.
V' = 2(9 -x)² -4x(9 -x) = (9 -x)(2(9 -x) -4x) = 2(9 -x)(9 -3x)
V' = 6(9 -x)(3 -x)
The derivative will be zero when its factors are zero, at x=9 and x=3. The value x=9 gives zero volume.
The value x=3 gives a volume of ...
V = 2·3(9 -3)² = 6³ = 216 . . . . . cubic inches
The dimensions are ...
x = 39 -x = 9 -3 = 618 -2x = 18 -6 = 12The dimensions for maximum volume are 3 inches by 6 inches by 12 inches. The maximum volume is 216 cubic inches.
Un chef observó que el 65 % de todos sus clientes consume mayonesa, el 70 % consume kétchup y el 80 % consume mayonesa o kétchup. ¿Cuál es la probabilidad de que un cliente consuma las dos salsas al mismo tiempo
The probability that a customer Consumes both mayonnaise and ketchup at the same time is 0.55 or 55%.
To find the probability that a customer consumes both mayonnaise and ketchup at the same time, we need to use the concept of intersection in probability theory. The intersection represents the overlap or commonality between two events, in this case, the consumption of mayonnaise and ketchup.
Given that 80% of customers consume either mayonnaise or ketchup, we can assume that this includes the customers who consume both. Let's call the event of consuming mayonnaise "M" and the event of consuming ketchup "K". Therefore, we know that P(M U K) = 0.8.
To find the probability of consuming both, we can use the formula P(M ∩ K) = P(M) + P(K) - P(M U K), where ∩ represents the intersection. We can substitute the values we have been given to get:
P(M ∩ K) = 0.65 + 0.70 - 0.8 = 0.55
Therefore, the probability that a customer consumes both mayonnaise and ketchup at the same time is 0.55 or 55%. This means that more than half of the customers consume both, indicating that the chef could consider offering dishes that combine both sauces to cater to this preference.
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A bag contains 6 yellow marbles, 4 red marbles, 8 blue marbles. If one marble is drawn from the bag then replaced, what is the probability of drawing a yellow marble then a blue marble?
a) the probability of drawing a yellow marble than a blue marble is (1/3) x (4/9) = 4/27.
b) the probability of guessing a number less than 7 is 6/10 or 3/5.
c) the probability of drawing a white marble than a red marble is (2/9) x (6/17) = 4/51.
What is probability?
Probability is a measure of the likelihood or chance of an event occurring. It is a number between 0 and 1, with 0 representing an impossible event and 1 representing a certain event. The probability of an event is calculated by dividing the number of ways the event can occur by the total number of possible outcomes.
Since the marble is replaced after the first draw, the probability of drawing a yellow marble is 6/18 = 1/3.
Similarly, the probability of drawing a blue marble on the second draw is 8/18 = 4/9.
Therefore, the probability of drawing a yellow marble than a blue marble is (1/3) x (4/9) = 4/27.
There are 6 numbers less than 7 (1, 2, 3, 4, 5, 6) and 10 total numbers, so the probability of guessing a number less than 7 is 6/10 or 3/5.
Since the marble is not replaced after the first draw, the probability of drawing a white marble is 4/18 = 2/9.
The probability of drawing a red marble on the second draw, given that a white marble was drawn first, is 6/17.
Therefore, the probability of drawing a white marble than a red marble is (2/9) x (6/17) = 4/51.
Hence, a) the probability of drawing a yellow marble than a blue marble is (1/3) x (4/9) = 4/27.
b) the probability of guessing a number less than 7 is 6/10 or 3/5.
c) the probability of drawing a white marble than a red marble is (2/9) x (6/17) = 4/51.
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I have no idea how to do this pls help
picture attached
The angle measure of the triangle are;
m< A = 53 degrees
m<B = 90 degrees
m<C = 37 degrees
How to determine the valueIt is important to note that the sum of the angles in a triangle is equal to 180 degrees
From the diagram shown, we have that;
m< A = 4x + 1
m< B = 7x - 1
m< C = 3x - 2
Equate the angles, we have;
4x + 1 + 7x - 1 + 3x - 2 = 180
collect the like terms, we get
14x = 180 + 2
14x = 182
make 'x' the subject
x = 13
Then, m< A = 53 degrees
m<B = 90 degrees
m<C = 37 degrees
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There is a 20% chance that a particular volcano will erupt during any given decade. A random number generator generated 10 sets of random numbers from 1 to 5 as shown. The number 1 represents the volcano erupting. Find the experimental probability that the volcano will erupt in 1 or 2 of the next 5 decades
The experimental probability of the volcano erupting in 1 or 2 of the next 5 decades is 6/10 or 0.6.
We can do this by assigning a value of 1 to the numbers 1 and 2 (representing the volcano erupting) and a value of 0 to
the numbers 3, 4, and 5 (representing the volcano not erupting).
For each set of random numbers generated, we can count the number of times the volcano erupted (i.e. the sum of the
values assigned to the numbers 1 and 2).
Out of the 10 sets of random numbers generated, we might get results like this:
Set 1: 1 3 4 2 1 (2 eruptions)
Set 2: 2 1 5 4 3 (2 eruptions)
Set 3: 3 2 5 4 5 (1 eruption)
Set 4: 1 1 2 4 5 (3 eruptions)
Set 5: 4 4 4 4 4 (0 eruptions)
Set 6: 1 1 1 1 1 (5 eruptions)
Set 7: 3 3 3 3 3 (0 eruptions)
Set 8: 2 2 2 2 2 (0 eruptions)
Set 9: 1 2 1 2 1 (4 eruptions)
Set 10: 5 5 5 5 5 (0 eruptions)
Out of these 10 sets, we can see that there were 6 sets where the volcano erupted in 1 or 2 of the next 5 decades (sets
1, 2, 3, 4, 9, and 10). Therefore, the experimental probability of the volcano erupting in 1 or 2 of the next 5 decades is
6/10 or 0.6.
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A company is trying to reduce the cost of
producing one of its tools. It comes up with
a much cheaper new method of production.
A large box of tools produced by both methods
is examined by testers.
1. Two tools are selected at random, one at a time.
Part A (3 points)
One tool is chosen at random from the box. It is then replaced. A tool is
selected again. What is the probability that both selections were acceptable?
Are the events dependent or independent events? Explain.
Old Method
New Method
Acceptable
1,640
328
Defective
23
9
Part B (3 points)
One tool is chosen at random from the box. It is not replaced. A tool is selected
again. What is the probability that the first one was produced by the old
method and the second one by the new method? Are the events dependent or
independent events? Explain.
the probability of selecting a tool produced by the old method on the first attempt and a tool produced by the new method on the second attempt is:
P(A and B) = P(A) * P(B | A) = 0.8305 * 0.1998 = 0.1660
How to solve the questions?
Part A:
Let A be the event that the first tool selected is acceptable and B be the event that the second tool selected is acceptable.
We need to find the probability of P(A and B), which can be calculated using the multiplication rule of probability as follows:
P(A and B) = P(A) * P(B | A)
where P(A) is the probability of selecting an acceptable tool on the first attempt and P(B | A) is the conditional probability of selecting an acceptable tool on the second attempt given that the first tool selected was acceptable.
P(A) = (1640 + 328) / (1640 + 328 + 23 + 9) = 0.985
P(B | A) = (1639 + 327) / (1640 + 328 + 23 + 9 - 1) = 0.985
Therefore, the probability of both selections being acceptable is:
P(A and B) = P(A) * P(B | A) = 0.985 * 0.985 = 0.9702
The events are dependent because the probability of selecting an acceptable tool on the second attempt depends on the result of the first attempt.
Part B:
Let A be the event that the first tool selected is produced by the old method and B be the event that the second tool selected is produced by the new method.
We need to find the probability of P(A and B), which can be calculated using the multiplication rule of probability as follows:
P(A and B) = P(A) * P(B | A)
where P(A) is the probability of selecting a tool produced by the old method on the first attempt and P(B | A) is the conditional probability of selecting a tool produced by the new method on the second attempt given that the first tool selected was produced by the old method.
P(A) = (1640 + 23) / (1640 + 328 + 23 + 9) = 0.8305
P(B | A) = 328 / (1640 + 328 + 23 + 9 - 1) = 0.1998
Therefore, the probability of selecting a tool produced by the old method on the first attempt and a tool produced by the new method on the second attempt is:
P(A and B) = P(A) * P(B | A) = 0.8305 * 0.1998 = 0.1660
The events are dependent because the probability of selecting a tool produced by the new method on the second attempt depends on the result of the first attempt.
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How do you find the mean absolute deviation of
(40,39,41,38,42,44,45,37,48,46)
Answer:
the mean absolute deviation is 3
Determine the radius or diameter based upon the given dimensions. d = 20 cm
For the given diameter d=20 cm, the radius is 10 cm.
What is radius?
Radius is a straight line segment that connects the center of a circle or sphere to any point on its circumference or surface respectively. It is a fundamental measurement used in geometry and is denoted by the letter "r". The radius is half the diameter of a circle or sphere, and it is used to calculate important properties of the circle or sphere, such as its circumference, area, and volume.
If d = 20 cm, then d represents the diameter of a circle.
To find the radius (r) of the circle, we divide the diameter by 2:
r = d/2 = 20 cm/2 = 10 cm
Therefore, for diameter d=20 cm, the radius of the circle is 10 cm.
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is 4.702 greater than 47.02
8TH GRADE MATH HELP 30 POINTS
Thus, equation of line in slope intercept form: y = 5x + 3.
Define about the slope intercept form:One approach to calculating the equation of a straight line is the slope-intercept form. The two point form, point-slope form, plus intercept form are the further approaches.
The equation of a straight line is expressed using an equation in the slope-intercept form.You must determine the line's slope and the equation's y intercept form in order to get the slope-intercept form. The slope is a measurement of how steep a line is.Passing points - (-2, -7)
slope m = 5
The standard slope intercept form for equation of line:
y = mx + c
m is the slope and c is the y-intercept.
Put the given values and find c.
-7 = 5(-2) + c
c = -7 + 10
c = 3
Thus, equation of line in slope intercept form:
y = 5x + 3
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Aarón wants to divide the trail mix equally into 6 friends. How much trail mix will be in each bag ? Draw a bar diagram and write an equation
The bar diagram is attached and the equation is amount of trail mix in each bag = x/6
Drawing the bar diagram and the equationLet's say that Aarón has a total of "x" amount of trail mix.
To divide this equally into 6 bags, each bag will have "x/6" amount of trail mix.
We can illustrate this using a bar diagram as follows:
See attachment
Here, the total amount of trail mix "x" is divided equally into 6 parts, with each part representing "x/6" amount of trail mix.
The equation to represent this is:
x/6 = amount of trail mix in each bag.
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