Answer:
None of the options provided (a, b, c, d) matches the correct probability. The correct probability is 1/18.
Step-by-step explanation:
In the right △ABC with m∠C=90°, m∠B=75°, and AB=12 cm. Find the area of △ABC.
Don't use trig to solve, don't know how to.
The area of the right triangle is 18.02 cm².
How to find area of a right triangle?A right angle triangle is a triangle that has one of its angles as 90 degrees.
The sum of angles in a triangle is 180 degrees.
Therefore, let's find the area of the right angle triangle as follows;
let's find the height and base of the triangle.
using trigonometric ratios,
cos 75 = adjacent / hypotenuse
cos 75 = base / 12
base = 3.10582854123
Therefore,
sin 75 = opposite / hypotenuse
sin 75 = h / 12
height = 11.5911099155
height = 11.59
Therefore,
area of the triangle = 1 / 2 × 3.11 × 11.59
area of the triangle = 36.0483518371 / 2
area of the triangle = 18.0241759186
area of the triangle = 18.02 cm²
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PLEASE ANSWER ASAP!!
Answer:
-8 and 4
Step-by-step explanation:
P= -2
-2+6 = 4
-2-8= -8
50 Points! Multiple choice algebra question. Photo attached. Thank you!
Answer: C-Cylinder
Step-by-step explanation:
In this problem, you are rotating the rectangle on the x axis. If you rotate it along this side, the rectangle makes it a cylinder.
Para aquellos que necesitas este respuesta en español: En este problema, estás girando el rectángulo sobre el eje x. Si lo giras a lo largo de este lado, el rectángulo lo convierte en un cilindro.
I hope this helps!
Answer:
The correct answer is (C), cylinder.
Explanation:
When the rectangle is rotated around the axis shown, it will create a three-dimensional shape with two parallel bases that are connected by a curved surface. This shape is called a cylinder.
The dimensions of the smaller prism are each multiplied by what factor to produce the corresponding dimensions of the larger prism? 3 4 4 5
The dimensions of the smaller prism are each multiplied by the factor of 1/3 for length, 1/4 for width, and 1/4 for height to produce the corresponding dimensions of the larger prism.
To determine the factor by which the dimensions of the smaller prism are multiplied to produce the corresponding dimensions of the larger prism, let's consider the relationship between the two prisms.
A prism is a three-dimensional shape with two parallel, congruent bases connected by rectangular faces. Since the problem specifies that the dimensions of the smaller prism are being multiplied to obtain the dimensions of the larger prism, we can infer that the prisms are similar, meaning they have the same shape but possibly different sizes.
Let's denote the dimensions of the smaller prism as length, width, and height, and the corresponding dimensions of the larger prism as L, W, and H.
To find the factor by which the dimensions are multiplied, we need to compare the corresponding sides of the two prisms. Based on the information provided, we can establish the following relationships:
L = 3 × length
W = 4 × width
H = 4 × height
We can rewrite these relationships as:
length = L/3
width = W/4
height = H/4
Now, let's compare the ratios of corresponding sides:
length/L = (L/3)/L = 1/3
width/W = (W/4)/W = 1/4
height/H = (H/4)/H = 1/4
From these ratios, we can observe that each dimension of the smaller prism is one-third (1/3) the size of the corresponding dimension of the larger prism in terms of length, one-fourth (1/4) in terms of width, and one-fourth (1/4) in terms of height.
Therefore, the dimensions of the smaller prism are each multiplied by the factor of 1/3 for length, 1/4 for width, and 1/4 for height to produce the corresponding dimensions of the larger prism.
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which expression is equivalent to the expression below? -2(5+7x) + 5(x+5) A. 15+9x B. 15 -9x C.35+40x D .35-40x
The expression -2(5 + 7x) + 5(x + 5) is equivalent to the expression -9x + 15. So, the answer is option B: 15 - 9x.
To simplify the expression -2(5 + 7x) + 5(x + 5), we can distribute the coefficients and simplify further.
Starting with the expression -2(5 + 7x):
-2(5 + 7x) = -2 × 5 - 2 × 7x
= -10 - 14x
= -14x - 10
Now let's simplify the expression 5(x + 5):
5(x + 5) = 5 × x + 5× 5
= 5x + 25
Finally, combining the two simplified expressions:
-14x - 10 + 5x + 25
Combining like terms:
(-14x + 5x) + (-10 + 25)
-9x + 15
Therefore, the expression -2(5 + 7x) + 5(x + 5) is equivalent to the expression -9x + 15.
So, the answer is option B: 15 - 9x.
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50 Points! Multiple choice geometry question. Photo attached. Thank you!
The equation of the circle is (x - 2)² + (y - 3)² = 36
Determining the equation of the circleFrom the question, we have the following parameters that can be used in our computation:
The circle
Where, we have
Center = (a, b) = (2, 3)
Radius, r = 6 units
The equation of the circle is represented as
(x - a)² + (y - b)² = r²
So, we have
(x - 2)² + (y - 3)² = 6²
Evaluate
(x - 2)² + (y - 3)² = 36
Hence, the equation is (x - 2)² + (y - 3)² = 36
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X-4<5 graph the solution of
The graph of the solution of the inequality is attached
How to graph the solution of the inequalityFrom the question, we have the following parameters that can be used in our computation:
x - 4 < 5
Add 4 to both sides of the inequality
So, we have
x - 4 + 4 < 5 + 4
Evaluate the like terms
So, we have
x < 9
This means that the solution of the inequality is x < 9
See attachment for the graph
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6/10 + 5/100
is it
65/100 or 65/110 or 56/100 or 56/110
Answer:
65/100 that is the answer to this question
Jane wants to estimate the proportion of students on her campus who eat cauliflower. After surveying 35 students, she finds 4 who eat cauliflower. Obtain and interpret a 99% confidence interval for the proportion of students who eat cauliflower on Jane's campus using Agresti and Coull's method. Click the icon to view Agresti and Coull's method. Construct and interpret the 99% confidence interval. Select the correct choice below and fill in the answer boxes within your choice. (Round to three decimal places as needed.) A. There is a 99% chance that the proportion of students who eat cauliflower on Jane's campus is between Jane's and OB. One is 99% confident that the proportion of students who eat cauliflower on Jane's campus is between OC. There is a 99% chance that the proportion of students who eat cauliflower in Jane's sample is between OD. The proportion of students who eat cauliflower on Jane's campus is between and 99% of the time. and and
Based on the information, A. There is a 99% chance that the proportion of students who eat cauliflower on Jane's campus is between 5.03% and 17.83%.
How to calculate the valueCalculate the sample proportion:
= x / n = 4 / 35
= 0.1143
Calculate the Agresti and Coull's adjustment factor:
zα/2 = z(1 - α/2) = z(1 - 0.99/2)
= 2.576
Calculate the margin of error:
= 2.576 √(0.1143(1 - 0.1143) / 35)
= 0.064
Calculate the confidence interval:
= 0.1143 ± 0.064
= (0.0503, 0.1783)
We are 99% confident that the true proportion of students who eat cauliflower on Jane's campus is between 5.03% and 17.83%.
In other words, if we were to repeat this study many times, we would expect to obtain a confidence interval that includes the true proportion of students who eat cauliflower on Jane's campus 99% of the time.
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The volume of the loading space on a moving truck is 432 cubic feet. The length of the truck is (x+6) feet. The width of the truck is x feet, and
the height is 6 feet. What is the actual length and width of the truck?
Answer:
length=12ft
width=6ft
Step-by-step explanation:
The volume formula is V=lwh.
Plug the values into the equation like this: 432=(x+6)(x)(6)
Divide both sides of the equation by 6: 72=(x+6)(x)
Distribute the x: [tex]72=x^{2} +6x[/tex]
Subtract the 72: [tex]0=x^{2} +6x-72[/tex]
Factor: 0=(x+12)(x-6)
x=-12
x=6
Now, plug in x into the original length and width equations.
length: (6+6)
length=12
width=6
I am having a hard time figuring out the domain and range
Answer:
domain= [-5,5]
range= [-3,3]
Step-by-step explanation:
the domain is with the x axis you have to look for the farthest x axis which would be - 5 in this case and the closest axis which is 5 so the x can be anywhere between - 5 and 5
then for the range is with the y axis you would look for the farthest y axis which is - 3 and the closes which is 3 so the y can be anywhere in between - 3 and 3
What is the area of a trapezoid with bases that are 7 meters and 10 meters in length and a height of 12 meters? 42 m2 60 m2 102 m2 204 m2
3.2.3. In the table below, the written explanation of the steps have been provided, show the
mathematical steps for the explanations given.
WH
Factorize x²+x-12
Mathematical steps.
x² + 4x -3x - 12
(x+4)(x-3)
Explanation
Rewrite the middle term of the trinomial
using the values from the chart above.
Group pairs of terms.
Factor out the HCF of the first group.
Factor out the HCF of the second group.
Factor out HCF of the two terms
The final factorized answer
SURINATE
What additional information is needed to prove the triangles are congruent by the SAS Postulate?
An additional information that is needed to prove the triangles are congruent by the SAS Postulate is: D. ∠BAC ≅ ∠DAC.
What are the properties of similar triangles?In Mathematics and Geometry, two (2) triangles are said to be similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.
Additionally, the lengths of corresponding sides or corresponding side lengths are proportional to the lengths of corresponding altitudes when two (2) triangles are similar.
Based on the side, angle, side (SAS) similarity theorem, we can logically deduce that ∆BAC is congruent to ∆DAC when the angles A (∠A) are congruent by the reflexive property.
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when an exponent of the power is an even number and the base is a negative number the value is always
Answer:
When an exponent of the power is an even number and the base is a negative number, the value is always positive.
What additional information is needed to prove the triangles are congruent by the SAS Postulate?
The additional information is needed to prove the triangles are congruent by the SAS Postulate is <ACB = <ACD.
We have, CB = CD
As, The SAS Congruence Theorem states that if two sides and the included angle of one triangle are congruent to the corresponding sides and included angle of another triangle, then the two triangles are congruent.
In triangle ACB and ACD
AC = AC (common)
CB= CD (given)
Now, to prove using SAS rule we need only one angle which is in between the two congruent sides then
<ACB = <ACD
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In the figure below, S is the center of the circle. Suppose that JK = 20, LM = 3x + 2, SN = 12, and SP = 12. Find the
following.
The values are x = 2 and NS = 3.5.
Given is a circle with center S, we need to find the missing measure,
K = 16, MP = 8, LP = 2x+4, and PS = 3.5, we need to find the measures of x and NS.
We know that the perpendicular drawn from the center of a circle bisect the chords into two halves,
And the perpendiculars are congruent.
Therefore,
MP = PL
2x+4 = 8
x+2 = 4
x = 2
Also,
NS = PS
So, NS = 3.5
Hence the values are x = 2 and NS = 3.5.
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As the degrees of freedom increase, the Chi-square distribution
Select one:
a.
becomes more right-skewed.
b.
becomes more left-skewed.
c.
becomes less skewed.
d.
does not change shape.
As the degrees of freedom increase, the Chi-square distribution becomes less skewed.
Option C is the correct answer.
We have,
The Chi-square distribution is a probability distribution that is commonly used in statistics.
It is often used in hypothesis testing and in constructing confidence intervals for population variances.
The shape of the Chi-square distribution depends on the degrees of freedom (df). The degrees of freedom represent the number of independent pieces of information used to estimate a parameter or make an inference.
When the degrees of freedom are small, such as 1 or 2, the Chi-square distribution is highly skewed to the right.
This means that the distribution has a long tail on the right side and is concentrated toward the lower values.
However, as the degrees of freedom increase, the Chi-square distribution becomes less skewed.
The distribution becomes more symmetrical and approaches a bell shape, similar to the shape of a normal distribution. This means that the values are more evenly spread out and there is less concentration towards the lower values.
Therefore,
As the degrees of freedom increase, the Chi-square distribution becomes less skewed.
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3. Solve for x.
X
37°
11
Answer:
13.77 units-----------------------
In the given right triangle we have an angle of 37° and adjacent leg of 11 units given.
Missing is the length of hypotenuse, x.
Use cosine function:
cosine = adjacent leg / hypotenusePlug in known values and solve for x:
cos 37° = 11/xx = 11/cos 37°x = 13.77 (rounded)24. Find the area of the parallelogram that has a base of 23 cm and a height of 17 cm.
Answer 80 cm² 40 cm² 195.5 cm² 391 cm²
Answer:
391 cm²
Step-by-step explanation:
area of the parallelogram,
A = base * height
= 23 * 17
= 391 cm²
If every floor is 5.079 meters tall how many floors are in the burj Khalifa (please help I need this before 12)
Answer:
147 floors
Explanation:
To determine the number of floors in the Burj Khalifa, we can use the information provided. We know that Andre stood 1000 meters away from the building and looked up at a 39.62-degree angle using a laser rangefinder. Let's calculate the height of the Burj Khalifa using basic trigonometry.
First, we can find the height of the building using the tangent function:
tan(angle) = height / distance
tan(39.62 degrees) = height / 1000 meters
height = tan(39.62 degrees) * 1000 meters
height ≈ 747.97 meters
Now, let's calculate the number of floors in the Burj Khalifa. We are given that each floor is 5.079 meters tall.
Number of floors = height / height of each floor
Number of floors = 747.97 meters / 5.079 meters
Number of floors ≈ 147.23 floors
Since we cannot have fractional floors, we can round the number down to the nearest whole number.
Therefore, there are approximately 147 floors in the Burj Khalifa.
Find f(x)/g(x)
F(x)= x3+6x2+x1/2
The solution of f(x)/g(x) is the function x ^5/2 + 6x^3/2 + 1
option C is correct.
Here, we have,
given that,
the functions are:
f(x) = x^3+6x^2+x^1/2
g(x) = x^1/2
so, we have,
f(x)/g(x)
= x^3+6x^2+x^1/2 / x^1/2
= x^3/ x^1/2 +6x^2/ x^1/2 +x^1/2/ x^1/2
=x ^5/2 + 6x^3/2 + 1
Hence, The solution of f(x)/g(x) is the function x ^5/2 + 6x^3/2 + 1
option C is correct.
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Multiplying polynomials (8v - 5)(v + 7)
Step-by-step explanation:
To multiply the polynomials (8v - 5)(v + 7), we can use the distributive property:
(8v - 5)(v + 7) = 8v(v + 7) - 5(v + 7)
Now we can simplify by multiplying each term:
8v(v + 7) - 5(v + 7) = 8v^2 + 56v - 5v - 35
Finally, we can combine like terms to get the simplified expression:
8v^2 + 51v - 35
Therefore, (8v - 5)(v + 7) = 8v^2 + 51v - 35.
100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!
Answer:
A. mBC = 71
B. mAB = 142
C. AD = 30
D. BD = 30
E. YD = 16
F. DC = 18
Step-by-step explanation:
A. mBC = mAC = 71
B. mAB = mBC + mAC = 71 + 71 = 142
C. AD = AB/2 = 60/2 = 30
D. BD = AD = 30
E. YA^2 = YD^2 + AD^2
YD^2 = YA^2 - AD^2 = 34^2 - 30^2 = 1156 - 900 = 256
YD = √256 = 16
F. DC + YD = YC
DC = YC - YD = 34 - 16 = 18
f(x)=x-4 Function Family: Parent Function: D: ; R: End Behavior: As x→∞, f(x)→ As x→→∞, f(x)- Increasing Interval: Decreasing Interval:
What is the volume of the prism?
A prism has hexagon bases with each side 12 centimeters. From the side of the base to the center of the base is 10 centimeters. The height of the prism is 9 centimeters.
Answer: 1080
Step-by-step explanation:
12x10x9=1080
Hoped this helped?!
Which expression is equivalent to -32^3/5
The expression which is equivalent to -32^3/5 is -32768 / 125.
We are given that;
Expression=-32^3/5
Now,
To find an equivalent expression for -32^3/5 is to use the property of exponents that says [tex](a/b)^n = a^n / b^n.[/tex] Applying this property, we get:
-32^3/5 = (-32)^3 / 5^3
Now we can simplify the numerator and denominator by cubing them:
-32^3/5 = -32768 / 125
This is an equivalent expression for -32^3/5. There may be other ways to find equivalent expressions, such as factoring or using common denominators.
Therefore, by the expression the answer will be -32768 / 125.
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This figure represents the net of a square pyramid.
2 m
76
6 m
2 m
The total surface area of the square pyramid is 28 m²
What is an equation?An equation is an expression that is used to show how numbers and variables are related using mathematical operators
Given the square pyramid net:
Area of square base = 2 m * 2 m = 4 m²
Area of each triangle face = (1/2) * 2 m * 6 m = 6 m²
Area of the four triangle face = 4 * 6 m² = 24 m²
Total surface area = 24 m² + 4 m² = 28 m²
The total surface area is 28 m²
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What is the y-intercept?
Answer:
-4
Step-by-step explanation:
i jus did this question
what 2 reports could be used to verify that retirement contributions were accurately remitted for the most recent payroll period
Two reports that could be used to verify the accuracy of retirement contributions for the most recent payroll period are the Payroll Summary Report and the Retirement Contribution Report.
Two reports that could be used to verify the accuracy of retirement contributions for the most recent payroll period are:
Payroll Summary Report: This report provides a summary of the payroll transactions for the period, including details of employee wages, deductions, and employer contributions.
It should include a specific section or breakdown for retirement contributions, showing the individual employee contributions and the corresponding employer contributions.
By reviewing this report, one can ensure that the retirement contributions have been accurately calculated and remitted.
Retirement Contribution Report: This report specifically focuses on the retirement contributions made by both employees and the employer.
It should provide a detailed breakdown of the contributions for each employee, including the employee's contribution amount, the employer's matching or non-elective contribution amount, and any additional details related to the retirement plan.
This report allows for a comprehensive review of the retirement contributions to verify if they match the expected amounts based on employee records and plan guidelines.
By comparing the information in these reports with the employees' individual contribution records and the retirement plan requirements, it is possible to verify that the retirement contributions were accurately remitted for the most recent payroll period.
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