Answer: 2/11
Step-by-step explanation:
The experimental probability that the next batter will get a hit is 2/11.
What is probability?
Probability is a way of calculating how likely something is to happen. It is difficult to provide a complete prediction for many events. Using it, we can only forecast the probability, or likelihood, of an event occurring. The probability might be between 0 and 1, where 0 denotes an impossibility and 1 denotes a certainty.
Based on the given condition, the probability that the next batter will get a hit is
=> 4/22
=> 2/11
Hence the experimental probability that the next batter will get a hit is 2/11.
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if sin(1/2) and 180°<alpha<270° then how to find cos alpha and tan alpha
The area of a parallelogram is represented by 3x² + 15x-2xy-10y.
Write this expression in factored form.
the factored form of the expression 3x² + 15x - 2xy - 10y is (x + 5)(3x - 2y).
How to solve the expression?
To factor the expression 3x² + 15x - 2xy - 10y, we need to look for common factors and grouping of terms. First, we can factor out 3x from the first two terms and -2y from the last two terms:
3x(x + 5) - 2y(5 + x)
Now we can see that both terms have a common factor of (x + 5), so we can factor it out:
(x + 5)(3x - 2y)
Therefore, the factored form of the expression 3x² + 15x - 2xy - 10y is (x + 5)(3x - 2y).
This expression represents the area of a parallelogram with base x+5 and height 3x-2y. The factored form makes it easier to see the relationship between the dimensions of the parallelogram and the expression for its area. For example, we can see that the area is zero when either factor is zero, meaning that the base or height of the parallelogram is zero. We can also use the factored form to find the dimensions of a parallelogram given its area.
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pls do this!!!!
worth 80 points!!
Answer:
a. x > -1
b. x >= -2
c. x <= 3
d. x <= 0
Step-by-step explanation:
I think the pic is attached to this
The y-intercept of a line in the xy-plane is (0,1) as shown in attached graph given int the question.
To find the y-intercept of a line in the xy-plane, we need to find the point where the line intersects the y-axis. The y-axis is the vertical axis that runs through the origin and is perpendicular to the x-axis. This means that the y-intercept is the value of y when x is equal to zero. Therefore, we can read off the y-intercept directly from the equation of the line. To find the y-intercept of a line in the xy-plane, we need to find the point where the line intersects the y-axis. The y-axis is the vertical axis that runs through the origin and is perpendicular to the x-axis.
In the given graph we can see that the line intersects the point 1 on y axis.
Therefore, y-intercept of a line in the xy-plane is (0,1).
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What else is needed to prove these triangles congruent using the sss postulate// PLS HELP
AC=FC is the additional information needed to prove the triangles congruent using the SSS postulate. So, option (b) is correct:
What does the SSS postulate state?According to the SSS postulate, if three sides of one triangle are congruent with three sides of another triangle, the triangles are congruent. Therefore, we need to ensure that the included angles are also congruent to prove the triangles congruent.
Option (a) states that angle A is congruent to angle F, and angle D is congruent to angle B. While this is true, it is not sufficient to prove the triangles congruent using the SSS postulate alone.
Option (c) suggests that nothing else is needed to prove the triangles congruent using the SSS postulate. However, as explained above, we need to ensure that the included angles are congruent as well.
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#5:
A store owner buys baseball cards in bulk. The owner
recorded the amount (y), in dollars, she paid for each
of the last 10 collections she bought based
on x thousand cards in each collection. She used that
data to calculate the line of best fit with the equation
shown below.
y=39.94x +3.84
Based on the store owner's line of best fit, what amount
should she expect to pay for a collection that has 1,500
cards?
$63.75
$59.91
$48.28
$45.70
Answer:
To use the line of best-fit equation to estimate the cost of a collection with 1,500 cards, we can substitute 1.5 (since x represents thousands of cards) for x in the equation and solve for y:
y = 39.94x + 3.84
y = 39.94(1.5) + 3.84
y = 59.91
Therefore, based on the store owner's line of best-fit equation, she should expect to pay approximately $59.91 for a collection that has 1,500 cards.
The answer is: $59.91
Step-by-step explanation:
Find the coordinates of the triangle after the transformations. Translate the triangle 1 unit right and 5 units down. Then reflect the triangle in the y-axis.The coordinates of the final image are:
R" ( , )
S" ( , )
T" ( , )
The coordinates of the final image of the triangle after the transformations are S'(5, -1), R'(5, -4), and T'(3, -4).
What is transformation?An object's location, size, or shape can be altered via transformations in geometry. Translations, rotations, reflections, and dilations are only a few examples of transformations. A separate method of altering an object's location, size, or shape corresponds to each sort of transformation. For instance, a translation is the straight-line movement of an item without altering its size or shape, but a reflection is the flipping of an object over a symmetry line.
The coordinates of the triangle are S(-4, 4), R(-4, 1) and T (-2, 1).
For the given transformations the new coordinates are:
S(-4, 4) translates to (-4-1, 4-5) = (-5, -1) and reflects to (5, -1)
R(-4, 1) translates to (-4-1, 1-5) = (-5, -4) and reflects to (5, -4)
T(-2, 1) translates to (-2-1, 1-5) = (-3, -4) and reflects to (3, -4)
Hence, the coordinates of the final image of the triangle after the transformations are S'(5, -1), R'(5, -4), and T'(3, -4).
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number whose square root and cube root are equal.
Answer:
The numbers are 0 and 1
MARK ME AS BRAINLIEST
a newsletter publisher believes that less than 65% 65 % of their readers own a personal computer. for marketing purposes, a potential advertiser wants to confirm this claim. after performing a test at the 0.02 0.02 level of significance, the advertiser decides to reject the null hypothesis. what is the conclusion regarding the publisher's claim?
The conclusion regarding the publisher's claim is that it is incorrect if the potential advertiser rejects the null hypothesis. A newsletter publisher believes that less than 65% 65 % of their readers own a personal computer. For marketing purposes, a potential advertiser wants to confirm this claim. After performing a test at the 0.02 0.02 level of significance, the advertiser decides to reject the null hypothesis.
What is a null hypothesis?
The null hypothesis is a fundamental idea in inferential statistics that represents the null assumption. It's frequently utilized to compare datasets and decide whether any differences between them are real or just by chance.
It is also called H0. It is the default theory that no difference exists between two tested populations or data sets.
A hypothesis test is a way of deciding whether the data supports or disproves the null hypothesis. If the null hypothesis is incorrect, it is referred to as a Type I error. If it is true and the data leads to its rejection, it is known as a Type II error.
Thus, after performing the test at the 0.02 level of significance, if the potential advertiser decides to reject the null hypothesis, the publisher's claim is incorrect.
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Leslie uses 8. 6 pints of white paint and blue paint to paint her bedroom walls. 2 5 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?
Leslie used 2.5 pints of blue paint to paint her bedroom walls.
Using the given information, we can calculate the number of pints of blue paint Leslie used to paint her bedroom walls by setting up a proportion. Let x = the number of pints of blue paint.
2.5/8.6 = x/8.6
Cross-multiply and solve for x.
2.5*8.6 = 8.6x
21.5 = 8.6x
Divide both sides by 8.6.
21.5/8.6 = 8.6x/8.6
2.5 = x
Therefore, Leslie used 2.5 pints of blue paint to paint her bedroom walls.
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Which expression is equal to 6 over square root of 5
Answer:
6√5/5
Step-by-step explanation:
6/√5 x √5/√5 is equal to 6√5/5
so thats what the answer should be but i don't know if its different for you
Please help e with this
a) The diagram is given below.
b) The vertical distance from the woman's eye level to the bottom of the flagstaff is approximately 9.07 meters.
c) The height of the flagstaff is approximately 15.45 meters.
What does an angle mean?
The intersection of the intersecting lines that make up a skew's ends determines both its greatest and smallest walls. Two paths might hypothetically come together at a crossroads. Angle is another outcome of two things interacting. They resemble dihedral shapes the most. A two-dimensional curve can be created by placing two line beams in various configurations between their extremities.
a) Diagram:
C
/|
/ |
/ | h
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ɑ |
/_____|
A B
In this diagram, the woman is standing at point A, the flagstaff is at point B, and the top of the flagstaff is at point C. The angle of elevation from the woman to the top of the flagstaff is angle ɑ, and the angle of depression from the woman to the bottom of the flagstaff is angle β. The distance from the woman to the base of the flagstaff is h.
b) The vertical distance from the woman's eye level to the bottom of the flagstaff can be found using trigonometry. We know that the angle of depression from the woman to the bottom of the flagstaff is 20 degrees, so we can use the tangent function to find the vertical distance:
tan(20) = h / 25
h = 25 * tan(20)
h ≈ 9.07 m
Therefore, the vertical distance from the woman's eye level to the bottom of the flagstaff is approximately 9.07 meters.
c) To find the height of the flagstaff, we can use the tangent function again, this time with the angle of elevation from the woman to the top of the flagstaff:
tan(76) = (h + x) / 25
where x is the height of the flagstaff above the bottom
We know that h is approximately 9.07 m from part b. Rearranging the equation, we get:
x = 25 * tan(76) - h
x ≈ 24.52 m - 9.07 m
x ≈ 15.45 m
Therefore, the height of the flagstaff is approximately 15.45 meters.
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Find the value of x
x=
The value of x in terms of the length of the chord BC is x = (1/2) * arcsin(BC / (2 * r)) - 30 degrees
Draw a diagram of the circle and label the given points and segments.
Identify the relevant circle properties: Recall the properties of circles such as the radius, diameter, circumference, and central angle. Identify any angles or lengths that can be determined from the given information.
Use the tangent-chord theorem: Since AD is tangent to the circle, we can use the tangent-chord theorem to find that angle ADB is equal to angle ABD.
This implies that triangle ABD is an isosceles triangle.
Use the properties of isosceles triangles: Since triangle ABD is isosceles, we know that angle BAD is equal to angle ADB.
We also know that the sum of the angles in a triangle is 180 degrees.
Therefore, angle ABD is equal to (180 - 2x) degrees.
Use the angle sum property: Since A, B, C, and D are points on the circle, angle BAC is equal to half of the central angle BOC.
Therefore, angle BOC is equal to 2 * angle BAC.
Use the angle subtraction property: Since angle ABD is an exterior angle of triangle BCD, we know that angle ABD is equal to the sum of angles BCD and BDC.
Therefore, (180 - 2x) degrees is equal to (2 * angle BAC) + angle BDC.
Use the angle sum property again: Since B, C, and D are points on the circle, angle BDC is equal to half of the central angle BOC.
Therefore, angle BDC is equal to angle BAC.
Substituting this value into the equation from step 6, we get (180 - 2x) degrees
= (2 * angle BDC) + angle BAC
= 2 * angle BAC + angle BAC
= 3 * angle BAC.
Therefore, angle BAC is equal to (180 - 2x) / 3 degrees.
2 * angle BAC = 2 * (180 - 2x) / 3 degrees.
Use the chord length formula: Using the chord length formula, we can find that BC
= 2 * r * sin(angle BOC / 2), where r is the radius of the circle.
Substituting the value of angle BOC from step 9, we get BC = 2 * r * sin[(2 * (180 - 2x) / 3) / 2]
= 2 * r * sin[(180 - 2x) / 3] .
Solve for x:
We need to express x in terms of BC, so we can use the formula from step 10 to get 2 * r * sin[(180 - 2x) / 3] = BC.
Solving for x gives x = (1/2) * arcsin(BC / (2 * r)) - 30 degrees.
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Pls see attached , pls help
the equation Y = 1(1-x)² - 5 represents a downward-facing parabola with vertex at (1,-5), which opens upwards, and the value of Y increases as x moves away from 1 in either direction.
What is equation?
An equation is a mathematical statement that contains an equality sign (=) between two expressions. It indicates that the expressions on either side of the equality sign are equal in value. Equations can have variables, constants, coefficients, and operators like addition, subtraction, multiplication, and division. The variables represent unknown values, and the goal of solving an equation is to determine the value(s) of the variable(s) that make the equation true.
For example, the equation 2x + 5 = 11 is an algebraic equation, where "x" is the variable, "2" and "5" are constants, and "+" and "=" are operators. The solution to this equation is x = 3, since when we substitute x = 3 into the left-hand side of the equation, we get 2(3) + 5 = 11, which satisfies the equality.
The equation given is Y = 1(1-x)² - 5.
This equation represents a parabola in vertex form, where the vertex is at (1,-5). The coefficient of the squared term is positive, which means that the parabola opens upwards.
When x = 1, the value of Y is -5, which is the minimum value of the parabola. As x moves away from 1 in either direction, the value of the expression (1-x)² increases, causing the value of Y to increase as well.
Therefore, the graph of this equation is a downward facing parabola with the vertex at (1,-5), and it opens upward. As x moves away from 1, the value of Y increases.
In summary, the equation Y = 1(1-x)² - 5 represents a downward-facing parabola with vertex at (1,-5), which opens upwards, and the value of Y increases as x moves away from 1 in either direction.
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The product of two numbers is 17,20,740. If one number is 1785,find the other number
The product of two number is 17,20,740, When one number is 1785 and other number is 39,460.
To find the other number, we can divide the product of the two numbers by the known number:
Other number = 17,20,740 ÷ 1785
We can simplify this calculation by factoring out common factors from both numbers. First, we can factor 1785 into its prime factors:
1785 = 3 x 3 x 5 x 7 x 2
Next, we can factor 17,20,740:
17,20,740 = 2^2 x 5 x 7 x 11 x 13 x 17 x 19
We can then cancel out any common factors in the numerator and denominator. In this case, we can cancel out one factor of 5, one factor of 7, and two factors of 2:
Other number = (2 x 11 x 13 x 17 x 19) ÷ (3 x 3 x 5 x 7 x 2)
Simplifying this expression further, we get:
Other number = (2 x 11 x 13 x 17 x 19) ÷ (3^2 x 5 x 7)
Other number = 39460
Therefore, the other number is 39,460.
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in the section, "Stride Rate Faster Than Usain Bolt's," what
does the author mean by "That is more than 10 times the
stride rate of Olympic Runner Usain Bolt? Use two details
from the article to support your response.
The author is comparing this stride rate to that of Olympic Runner Usain Bolt, who has a reported stride rate of 3.5 strides per second.
What is stride rate?The number of steps a runner takes in a specific length of time is referred to as stride rate and is commonly expressed in steps per second. You can figure it out by dividing the total number of steps you took during a certain amount of time by how long that time period lasted. Stride rate, which is frequently used as a gauge of running effectiveness, is impacted by a variety of variables, including running speed, terrain, and personal running form.
Hence, in the given section, the author is comparing this stride rate to that of Olympic Runner Usain Bolt, who has a reported stride rate of 3.5 strides per second.
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Evaluate the expression Evaluate the expression \dfrac{4^x}{2^x}
2
x
4
x
start fraction, 4, start superscript, x, end superscript, divided by, 2, start superscript, x, end superscript, end fraction for x=3x=3x, equals, 3.
The evaluated expression [tex]\frac{4^{x} }{2^{x} }[/tex] for x = 3 is 4.
How to evaluate expression?An algebraic expression is made up of variables and constants, along with algebraic operations such as addition, subtraction, multiplication and division.
Therefore, to evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number.
Hence, let's evaluate the expression as follows:
[tex]\frac{4^{x} }{2^{x} }[/tex] for x = 3
Therefore,
[tex]\frac{4^{3} }{2^{3} } = \frac{64}{16}[/tex]
Therefore,
64 / 16 = 4
Hence, the evaluated expression is 16.
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.If Julie’s average art test scores are 85, what would you
predict her average math test scores to be?
Do you think your prediction is going to be accurate given
this data? Explain your answer
Answer:
no the 85 will not be accurate percentage for math test because you don't have any previous math test scores to even get a average grade.
It takes 24 workers 3,5 hours to clean a workshop
How many workers would take 4 hours to complete the job
The workshop would need to be cleaned in 4 hours 21 workers.
How does division work?
In mathematics, division is the process of dividing a quantity into equal pieces or groups. It is used to determine how many times one number can be divided by another number because it is the inverse of multiplication.
In light of the facts provided, we can apply the following formula to determine how long a task will take to complete:
Work = Time / (rate)
Cleaning the workshop is the continual work in this situation. The rate is the amount of work completed in a given length of time. Assume that all employees work at the same rate, making the rate proportionate to the workforce.
Hence, the rate of work is: if 24 people can clean the workshop in 3.5 hours.
rate=(work)/(time)=(1 workshop)/(3.5 hours * 24 workers)=1/84 workshop per worker per hour
We now need to calculate how long it would take 10 employees to clean the workshop. Let's apply the formula once more:
Time = Work / Rate = (1 Workshop) / (10 Workers * Rate)
Using the earlier rate as a substitute, we obtain:
As a result, cleaning the workshop would require 21 people 4 hours.
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Can someone please help me with this problem?
Give the missing reasons in this proof of the Alternate Interior Angles Theorem.
Given: L is parallel to n.
Prove: angle 4 ≅ angle 6
1. L is parallel to n 1. Given
2. angle 2 ≅ angle 6 a. ???
3. angle 4 ≅ angle 2 b. ???
4. angle 6 ≅ angle 4 c. ???
Answer:
L is parallel to n.
Step-by-step explanation:
Prove: angle 4 ≅ angle 6
1. L is parallel to n 1. Given
2. angle 2 ≅ angle 6 a. ???
3. angle 4 ≅ angle 2 b. ???
4. angle 6 ≅ angle 4 c. ???
Instructions: Find the missing side. Round your answer to the nearest tenth.
x=
X
43°
34
The missing side of a right triangle, from the figure, is 33.1 meters long.
A right triangle has three sides, what are they?
An "opposite" side in a right triangle is the one that is across from a specific angle, while an "adjacent" side is the one that is next to a specific angle. The hypotenuse seems to be the longest side in a right triangle. The sides in right triangles are described with particular terminology.
We can apply the tangent function in order to calculate the length of the missing side if we assume that it is opposite the 43-degree angle that is provided:
tan(43°) = x/34
When we multiply all sides with 34, we get:
x = 34 tan(43°)
Using just a calculator, we determine:
x ≈ 33.1
Rounded to the nearest tenth, we obtain:
x ≈ 33.1
Hence, the missing side of the given triangle is x = 33.1.
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The complete question is in the attached figure.
Someone help please
Solve for x. Round to the nearest 10th if necessary
Answer:
Proofs attached to answer
Step-by-step explanation:
Proofs attached to answer
the magazine mass marketing company has received 14 entries in its latest sweepstakes. they know that the probability of receiving a magazine subscription order with an entry form is 0.5 . what is the probability that less than 10 of the entry forms will include an order? round your answer to four decimal places.
The probability that less than 10 of the entry forms will include an order is 0.0193, rounded to four decimal places.
The company has received 14 entries in the sweepstakes, and they know that the probability of receiving a magazine subscription order with an entry form is 0.5. Now, we want to find the probability that less than 10 of the entry forms will include an order.
To find the probability that less than 10 of the entry forms will include an order, we need to add up the probabilities of getting 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 orders. We can use the binomial probability formula to calculate these probabilities:
P(X = x) = (n choose x) x pˣ x (1 - p)ⁿ⁻ˣ
where P(X = x) is the probability of getting x successes, n is the number of trials, p is the probability of success, and (n choose x) is the number of ways to choose x successes from n trials.
We can also use a calculator or spreadsheet to do the calculations.
P(X = 10) = (14 choose 10) x p¹⁰ * (1 - p)¹⁴⁻¹⁰ = 0.0193
After adding up the probabilities for 0 to 9 orders, we get a probability of approximately 0.0193.
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The test scores for the verbal reasoning and the quantitative reasoning sections of the Graduate Record Examination (GRE) are normally distributed. In a recent year, the mean test score was 150 and the standard deviation was 8.75.
The test score for Student A was 162.
The test score for Student B was 168.
The test score for Student C was 155.
The test score for Student D was 138.
What is the z-score for each student and are any of the students scores considered statistically unusual? If so, explain your reasoning. Be sure to label your z-score with each student's letter.
2x^2+9x+6=0 Solve the quadratic
Answer:
[tex]x1 = \frac{ - 9 - \sqrt{33} }{4} [/tex]
[tex]x2 = \frac{ - 9 + \sqrt{33} }{4} [/tex]
Step-by-step explanation:
[tex]2 {x}^{2} + 9x + 6 = 0[/tex]
a = 2, b = 9, c = 6
[tex]d = {b}^{2} - 4 \times a \times c = {9}^{2} - 4 \times 2 \times 6 = 81 - 48 = 33 > 0[/tex]
[tex]x1 = \frac{ - b - \sqrt{d} }{2a} = \frac{ - 9 - \sqrt{33} }{4} [/tex]
[tex]x2 = \frac{ - b + \sqrt{d} }{2a} = \frac{ - 9 + \sqrt{33} }{4} [/tex]
Help is needed please
Step-by-step explanation:
Area of a trapezoid =
height ( 9 m) times the average of the bases (10+14)/2 m
9 x (10+14)/2 = 108 m^2
A garage contains orange, black and green cars. Of the cars,
orange, are black and the rest are green. What is the ratio of orange
to black to green cars, in its simplest form?
Answer:
1:1:1
Step-by-step explanation:
The ratio of orange to black to green cars is 1:1:1.
Is my answer correct? If it isn't can I get an explanation?
The missing length KL in ΔLKJ is x = 22.
What is similar triangles?Similar triangles are two triangles that have the same shape but may have different sizes.
Corresponding angles are equal and corresponding sides are proportional to each other.
Since the triangles are similar, the corresponding sides are in proportion.
We can set up the proportion:
LJ/RP = KJ/QP
Substituting the given values, we get:
28/42 = x/33
Cross-multiplying and simplifying, we get:
42x = 28 × 33
42x = 924
x = 924/42
x = 22
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You are using the equation 4(p - 7) = 44 to determine how many pictures can
be savled at one time to the photo stream on your cell phone. Describe the
operations in the order that you will perform them to solve the equation. please help i need answer. ASAP!
Answer:
p=18
Step-by-step explanation:
if 4(p-7) = 44,
Then you can use distributive property to solve
4p-28=44
add 28 to both sides. So,
4p=72
Divide 4 from both sides.
p= 18.
(6)(2)^n-1 or 12^n-1 ?
Answer:
Step-by-step explanation:
The expression (6)(2)^(n-1) means to multiply 6 by 2 raised to the power of n-1. For example, when n = 3, we have:
(6)(2)^(n-1) = (6)(2)^(3-1)
= (6)(2)^2
= (6)(4)
= 24
On the other hand, the expression 12^(n-1) means to raise 12 to the power of n-1. For example, when n = 3, we have:
12^(n-1) = 12^(3-1)
= 12^2
= 144