A) Here, we are given that a triangular lot is located at an intersection of two roads, Merivale and Clyde. The length of the lot along Merivale is 151.64 feet. The length along Clyde is 135.00 feet. The angle between the two roads is 87.Therefore, we have to draw the triangle for the given data.
B)We have to find the length of the third side of the triangular lot and the two remaining acute angles.Now, let's name the sides of the triangle as below:The length of the lot along Merivale is BC, i.e., BC = 151.64 feet.The length along Clyde is AC, i.e., AC = 135.00 feet.The length of the third side is AB, which we have to find.Let's name the angle between the roads as CAB, i.e., CAB = 87.°Now, we have to find the length of AB using the cosine rule.AB² = AC² + BC² − 2AC × BC × cos(CAB)AB² = (135.00)² + (151.64)² − 2(135.00)(151.64) × cos(87°)AB² = 18248.74AB = √18248.74 = 135.03 feetNow, let's find the remaining angles using sine and cosine ratios.The angle ∠B is between sides AB and BC.∠B = sin⁻¹(BC × sin(CAB) / AB)∠B = sin⁻¹(151.64 × sin(87°) / 135.03)∠B ≈ 55°The angle ∠A is between sides AC and AB.∠A = sin⁻¹(AC × sin(CAB) / AB)∠A = sin⁻¹(135.00 × sin(87°) / 135.03)∠A ≈ 38°Therefore, the length of the third side of the lot is 135.03 feet and the two remaining acute angles are ∠B ≈ 55° and ∠A ≈ 38°.
A) Given data:A triangular lot is located at an intersection of two roads, Merivale and Clyde.The length of the lot along Merivale is 151.64 feet.The length along Clyde is 135.00 feet.The angle between the two roads is 87.To draw a triangle for the given data, we will use a ruler and a compass. Let's mark it as point B.5) Mark the third corner of the triangle, which is the intersection of the two lines drawn in steps 3 and 4. Let's mark it as point C.6) Label the sides of the triangle as AB, AC, and BC.B) To calculate the length of the third side of the lot and the two remaining acute angles, we follow the below steps:1) Let's name the sides of the triangle as below:The length of the lot along Merivale is BC, i.e., BC = 151.64 feet.The length along Clyde is AC, i.e., AC = 135.00 feet.The length of the third side is AB, which we have to find.2) Let's name the angle between the roads as CAB, i.e., CAB = 87.°3) Now, we have to find the length of AB using the cosine rule.AB² = AC² + BC² − 2AC × BC × cos(CAB)AB² = (135.00)² + (151.64)² − 2(135.00)(151.64) × cos(87°)AB² = 18248.74AB = √18248.74 = 135.03 feet4) Let's find the remaining angles using sine and cosine ratios.The angle ∠B is between sides AB and BC.∠B = sin⁻¹(BC × sin(CAB) / AB)∠B = sin⁻¹(151.64 × sin(87°) / 135.03)∠B ≈ 55°The angle ∠A is between sides AC and AB.∠A = sin⁻¹(AC × sin(CAB) / AB)∠A = sin⁻¹(135.00 × sin(87°) / 135.03)∠A ≈ 38°Therefore, the length of the third side of the lot is 135.03 feet and the two remaining acute angles are ∠B ≈ 55° and ∠A ≈ 38°.
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4a + 7 when a= 1/2. plsss help
Simplifying the linear equation 4a + 7 when a= 1/2 is 9
What is Linear Equation?Linear equation is an equation in whi8ch the highest power of the variable is 1
From the linear equation, 4a + 7 when a = 1/2
By substituting for a in the equation
=4(1/2) + 7
By expanding the bracket
=(4x1/2) + 7
=4/2+7
=2+7
=9
Hence, The final answer to the linear equation 4a + 7 when a= 1/2 = 9
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Please help.. I don’t understand..
Answer:
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
the coefficient of the expression is +2 .
hope this helps.
simplify 5(b – 4) + 12
Answer: 5b-8
Step-by-step explanation:
of the 180 students in a college course, I of the students earned an A for the course, ſ of the students earned a B for the course, and the rest of the students
earned a C for the course. How many of the students earned a C for the course?
A
75
Answer:
179
Step-by-step explanation:
180- 2=189 this is because 2 of the students the 180 received a or b
The given question is incorrect. The correct question is:
Of the 180 students in a college course, 1/4 of the students earned an A for the course, 1/3 of the students earned a B for the course, and the rest of the students earned a C for the course. How many of the students earned a C for the course?
A. 75
B. 90
C. 105
D. 120
E. 135
The number of students who earned a C for the course can be represented by the fraction of 5/12 of the total number of students and is equal to 75. Hence, option A is the right choice.
What do we mean by a fraction?A fraction in general means a part of. We represent a part of the whole using fractions. The total number of parts is taken as the denominator, while the parts used are taken as the numerator.
Fraction = Numerator/Denominator.
How do we solve the given question?We are given that there are 180 students in a college course. 1/4 of them get an A for the course while 1/3 get a B. Rest of the students to get a C for the course.
We need to find the number of students who get a C.
Let the fraction of students getting a C be x.
We know that a whole fraction is always = 1.
∴ Fraction of students getting an A + Fraction of students getting a B + Fraction of students getting a C = Whole fraction.
or, 1/4 + 1/3 + x = 1
or, x = 1 - 1/4 - 1/3 = (12 - 3 - 4)/12 = 5/12
∴ 5/12 of the students get a C for the course.
Number of Students who get a C for the course = 5/12 of 180 = 5*15 = 75.
∴ The number of students who earned a C for the course can be represented by the fraction of 5/12 of the total number of students and is equal to 75. Hence, option A is the right choice.
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Question 4 of 32 Jacob is a construction worker who earns a yearly income given by the expression 2000x + 3000, where x is the number of hours he works each week. Carlos works with Jacob and earns a yearly income given by the expression 3800x – 40000. A manager predicts that if Carlos and Jacob each work 35 hours, they will earn the same amount of money.
PART A:The number of hours that makes the equation true is
Options: 24, 27, 29,31,34
PART B:Round your answer to the nearest whole number. The manager's prediction is
Options: equal to, less than, greater than
the actual number of hours that Carlos and Jacob need to work to earn the same amount of money.
Answer:
Kindly check explanation
Step-by-step explanation:
Given the expression :
Jacob's yearly income :
2000x + 3000 ; x = number of hours worked per week.
Carlos income :
3800x - 40000
Managers prediction = 35
Jacob.: 2000(35) + 3000 = 73000
Carlos : 3800(35) - 40000 = 93000
Carlos will earn more than Jacob given the manager's prediction.
Number of hours required so they can earn the same amount :
2000x + 3000 = 3800x - 40000
3000 + 40000 = 3800x - 2000x
43000 = 1800x
x = 43000/1800
x = 23.88
x = 24 hours
Question 5 (1 point)
Write the slope-intercept form of the equation when m = 4 and b = 2.
Answer:
y=4x+2
Step-by-step explanation:
y=mx+b
replace m for 4 and b for 2
Is it a, b, c, or d?
The vertices of a rectangle are plotted.
A graph with both the x and y axes starting at negative 7, with tick marks every one unit up to 7. The points negative 4 comma 2, 5 comma 2, 5 comma negative 3, and negative 4 comma negative 3 are each labeled.
What is the perimeter of the rectangle?
10 units
18 units
28 units
45 units
Answer:
Answer is 28
Step-by-step explanation:
Length = 5
Width = 9
Perimeter = length*2 + width*2
Perimeter = 5*2 + 9*2
Perimeter = 10 + 18 = 28
james has decided to start saving for a cruise over the summer. his money is currently in the local bank modeled by the function sx equals 102. he is able to do work around the neighborhood to earn extra money that the function would be a x equals eight times x +2 where x is measured in hours. explain how james can we create a function to combine the two and describe any simplification that can be done
In the scenario above, James can we create a function to combine the two by f ( x ) = 8 x + 118.
What is the simplification about?In the question above, to be able to create a function, we have to show that;
s ( x ) = 102
a ( x ) = 8 ( x + 2 )
So, a function that combines the two will be:
f ( x ) = s ( x ) + a ( x ) = 102 + 8 ( x + 2 ) =
= 102 + 8 x + 16
Therefore f ( x ) = 8 x + 118
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To evaluate 8^2/3 find
To evaluate \(8^{\frac{2}{3} }\) first find the square of 8 and then take the cube root.
What are exponents?The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.
Depending on the powers they possess, many rules of exponents are given.
Law of Multiplication: Exponents should be added while keeping the base constant when multiplying like bases.
Exponents should be multiplied while bases are kept constant when bases are raised by a power of two or more.
Division Rule: When dividing like bases, maintain the base constant and deduct the exponent of the denominator from the exponent of the numerator.
The given value can be written as:
\(8^{\frac{2}{3} } = \sqrt[3]{8^{2} }\)
Hence, to evaluate \(8^{\frac{2}{3} }\) first find the square of 8 and then take the cube root.
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Avery weights his pet cat every month. The table shows how much the cat's weight changed each month for 3 months. What is the total change in the cat's weight for all 3 months. (PLEASE HELP)
Answer:
0.16 pounds. I am pretty sure you just add up all the numbers. I hope this helps!
Step-by-step explanation:
Order from greatest to least
1.62 , 16.2% ,15/20
Answer:
1.62, 15/20, 16.2%
Step-by-step explanation:
Let us consider all the answers out of one. In percentages, 100% always equals 1. (If you ate 100% of a cookie, you would have eaten 1 cookie), 16.2% is much less than 100% and not even half of 100%.
16.2%<0.5
Following the same logic, imagine there are 20 cookies this time. 15/20 would be 15 out of the 20 cookies which is more than half.
15/20>0.5
Finally, 1.62 is greater than 1
1.62>1
You can tell I'm hungry rn lol, also I would appreciate if you could give Brainliest, I'm kind of on a streak
Write –3/8 as a decimal number.
Answer:
-0.375
Step-by-step explanation:
you just divide the numbers.
Express the ratio below in its simplest form
12:6
Answer:
12/6 simplified to lowest terms is 2/1.
Step-by-step explanation:
Divide both the numerator and denominator by the HCF
12 ÷ 6
6 ÷ 6
Reduced fraction:
12/6 simplified to lowest terms is 2/1.
Answer: 2:1
Step-by-step explanation:
12:6
Both left and right can be divided by 6, like a fraction, reduce.
= 2:1
Evaluate ∫ ∫ (x² + y²)dx dy over the region in the positive quadrant which x+y≤1.
The given double integral is ∫ ∫ (x² + y²)dx dy, and we need to evaluate it over the region in the positive quadrant where x+y≤1.
To evaluate this double integral, we can first determine the limits of integration for both x and y based on the given region. In the positive quadrant, x and y both range from 0 to 1.
Now, integrating the inner integral with respect to x, we get:
∫ (x² + y²)dx = (1/3)x³ + y²x + C1,
where C1 is the constant of integration.
Next, we integrate the resulting expression with respect to y:
∫ [(1/3)x³ + y²x + C1] dy = (1/3)x³y + (1/3)y³x + C1y + C2,
where C2 is another constant of integration.
Finally, we evaluate this double integral over the given region by substituting the limits of integration:
∫∫ (x² + y²)dx dy = ∫[0 to 1] ∫[0 to 1-x] (x² + y²)dy dx.
Performing the integration, we can find the numerical value of the double integral within the given region.
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((-5) - 9+ (7+(-6)))*(-4)
Answer:
The answer to ((-5) - 9+ (7+(-6)))*(-4) is 52
\(\sf Answer: \)
\(52\)
\(\sf Step-By-Step~ Explanation: \)
\(Equation\)
\(((-5) - 9 + (7+(-6))) \times (-4)\)
\(Subtract~~9~~and~~-5 = -14.\)
\((-14 + 7 - 6)~(-4)\)
\(Add~~-14~~and~~7 = -7\)
\((-7-6)~(-4)\)
\(Subtract~~6~~and~~-7 = -13\)
\(-13~(-4)\)
\(Lastly,~~multiply~~-13~~and~~-4 = 52\)
\(52\)
\(\huge\boxed{\sf Answer \ 52}\)
What is the volume of the composite figure?
Answer:
a
Step-by-step explanation:
Khloe invests money in an account paying a simple interest of 7% per year. If she
invests $140 and no money will be added or removed from the investment, how much
will she have in one year, in dollars and cents?
Answer: $149.8
Step-by-step explanation:
Find the 1% of the 140 which is 1.4 because 140/100 = 1.4
Times by 7 to get 7%. 1.4 x 7 = 9.8
Add them together. 140+9.8 = 149.8
abc is a right triangle with ab=ac. bisector of <a meets bc at d. prove that bc = 2ad.
Answer:
Let ac=ab=5
With this, bc= 5√2
Step-by-step explanation:
So to find ad, Let ad be x
5√2=(2)(x)
(5√2/2)= x
This proves that bc=2ad
Find the perimeter and the area of the polygon with the given vertices.
S (3,0), T (3,9), U (8,9), V (8,0)
Answer: area =45 perimeter=28
Step-by-step explanation: height is 9, length is 5 5x9 =45
9+9+5+5= 28
8) Given : f(x)= x
a) Use the limit process to find the derivative of f with respect to x. b) Find the equation of the tangent line at x=1.
a) The derivative of f(x) = x is f'(x) = 1.
b) The equation of the tangent line at x = 1 is y = x.
a) To find the derivative of the function f(x) = x using the limit process, we can start by applying the definition of the derivative:
f'(x) = lim(h->0) [f(x + h) - f(x)] / h
Substituting f(x)=x into formula, we have: f'(x) = lim(h->0) [(x + h) - x] / h
Simplifying the numerator: f'(x) = lim(h->0) h / h
Now, we can cancel out the h terms: f'(x) = lim(h->0) 1
Since the limit of a constant value is equal to the constant itself, we can conclude that: f'(x) = 1
b) To find the equation of the tangent line at x = 1, we need the slope of the tangent line and a point that lies on the line. We already know that the slope of the tangent line is 1, which is the derivative of f(x) = x.
Now, we can find the y-coordinate of the point on the tangent line by substituting x = 1 into the original function: f(1) = 1
So, the point on the tangent line is (1, 1).
Using the point-slope form of a line, we can write the equation of the tangent line: y - y1 = m(x - x1)
where (x1, y1) is the point on the line and m is the slope. Substituting the values, we get: y - 1 = 1(x - 1)
Simplifying:
y - 1 = x - 1
y = x
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Mr. Forrest has 18 pepper plants and 24 green bean plants to put in adjacent sections of his garden. He wants the same number of plants in each row in both sections. What is the greatest number of plants he can have in one row?
Answer:
Henry's garden:
Divide 24 and 18 by 6: you get a 4:3 ratio of tomato: green bean
Simon's garden:
divide both 30 and 25 by 5: you get a 6:5 ratio of tomato: to green bean.
Step-by-step explanation:
Hope this helps!
Elena Wallace invested $150,000 in a project that pays her an even amount per year for 10 years. The payback period is 6 years. What are Elena's yearly cash inflows from the project? a. $150,000 b. $15,000 c. $25,000 d. $90,000 e. Cannot be determined from this information
Elena's yearly cash inflows from the project after the payback period is $15,000. A correct answer is an option (b).
The payback period is the time it takes for the project's cash inflows to equal the initial investment. In this case, the payback period is 6 years, meaning that after 6 years, Elena will have received enough cash inflows to recover her initial investment of $150,000.
Since the project pays Elena an even amount per year for 10 years, and the payback period is 6 years, she will receive cash inflows for an additional 4 years after the payback period. Therefore, to calculate Elena's yearly cash inflows, we divide the remaining cash inflows by the number of years remaining:
Remaining cash inflows = $150,000 (initial investment) - cash inflows received during the payback period
= $150,000 - ($15,000 x 6)
= $60,000
Yearly cash inflows = Remaining cash inflows/number of years remaining
= $60,000 / 4
= $15,000
Hence, B is the correct option.
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Use Python to show that the sum of the infinite series ∑
k=0
n
4
k
(kt)
2
(2k+1)
(2k)!
converges to
2
π
as n→[infinity]. Use double for loops to compute the sum for n=10,20,30,40, and 50 ( 5 upper limits of summation). Compare the value to
2
π
and output the true relative error, with the following dota format: n=10, ist =1,4001, Trueftetir −1,09e−01,n=10,… Hinte: - The final output should consist of four lines, each corresponding to a summation with a different upper limit. - When using range(start, stop, step), remember that the 2 nd argument (atopping point) is NOT included in the range, so +1 will be needed.
The true relative error between the computed sum and 2π is then outputted for each value of n.
To compute the sum of the infinite series ∑(k=0 to n) 4^k (kt)^2 (2k+1) / (2k)!, we can use Python and double for loops. The outer loop iterates over the desired values of n, while the inner loop calculates the terms of the series for each value of k.
By incrementally summing the terms, we obtain the computed sum for each value of n. Next, we compare this computed sum to the value of 2π. The true relative error is calculated by subtracting 2π from the computed sum, dividing the result by 2π, and then taking the absolute value.
For the given values of n (10, 20, 30, 40, and 50), the computed sums and their respective true relative errors are outputted. Each line of the output corresponds to a different upper limit of summation.
The true relative error provides a measure of the difference between the computed sum and the expected value of 2π, indicating the accuracy of the approximation.
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Complete Question
The true relative error between the computed sum and 2π is then outputted for each value of n. Using Python and double for loops, compute the sum of the infinite series ∑(k=0 to n) 4^k (kt)^2 (2k+1) / (2k)! for the given values of n (10, 20, 30, 40, and 50). Compare the computed sum to 2π and calculate the true relative error by subtracting 2π from the computed sum, dividing the result by 2π, and taking the absolute value. Output the computed sums and their respective true relative errors, with each line of the output corresponding to a different upper limit of summation.
The measures of the angles of a triangle are shown in the figure below. Solve for x.
Answer:
first step is to add the both angles that are given =78+46
=124
second step is to minus 124 from 180 =180-124
=56 . I used 180 because that is the sum of all the angles in a triangle . so x =56
a business give 30% discount on everyting. If a radio costed 1610 Dollars how much did it cost before discount
Can someone help with the calculation of this.
Answer:
$2300
Step-by-step explanation:
$1610 is 7/10 the original cost. Multiplying by 10/7 reverses that, and we get the starting cost of $2300
Hope this helps!
can someone pls help meh ;-;
Answer:
b I think girl I don't really know
I need the answer pliss
Answer:
Im sorry never did this before
what is the probability that the number of systems sold is within 1 standard deviation of its mean value?
The probability that now the number of sold will not deviate more than 1 standard deviation from the average is 0.74.
Explain the term Discrete Variable?The term "discrete variable" refers to a variable that has a finite range of possible values. such as using only integer numbers. For instance, the total number of students in a class, the quantity of faulty goods in a batch, etc.The given data is
x 1 2 3 4 5 6 7 8
p(x) 0.04 0.10 0.13 0.30 0.31 0.10 0.01 0.01
(a) calculate mean value of x:
μ = E(x)
= ∑(xi.P(xi))
= 4.13
(b) calculate variance of x:
σ² = ∑(xi - E(x))².P(xi)
= 1.81331
(c) calculate standard deviation of x:
σ = √σ²
σ = √1.831
σ = 1.3539
The likelihood that the quantity of systems sold will be within one standard deviation of the its mean:
P(μ - σ < x < μ + σ ) = P(4.13 - 13539 < x < 4.13 + 1.3539)
= P(2.7761 < x < 5.4839)
= P(x = 3) + P(x = 4) + P(x = 5)
= 0.13 + 0.30 + 0.31
= 0.74
Thus, the probability that now the number of sold will not deviate more than 1 standard deviation from the average is 0.74.
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The complete question is-
Suppose that for a given computer salesperson, the probability distribution of x = the number of systems sold in one month is given by the following table.
x 1 2 3 4 5 6 7 8
p(x) 0.04 0.10 0.13 0.30 0.31 0.10 0.01 0.01
What is the probability that the number of systems sold is within 1 standard deviation of its mean value?
Problem-7: Suppose you want to install carpet in a room that measures 18 meters by 22 meters. The carpet you want to use costs $28.50 per square meter and comes only in rolls that are 12 meters wide. 4 points a) If vou allow on/v one seam (where two pieces of carpet meet), what is the most efficient way to lay the carpet? b) For the configuration you selected in (a), how much will the carpet cost?
Answer:
Step-by-step explanation:
Given:
Room dimensions: 18 meters by 22 meters
Carpet cost: $28.50 per square meter
Carpet roll width: 12 meters
Since the carpet roll is 12 meters wide and the room's width is 18 meters, it is more efficient to lay the carpet along the width of the room. It will look better with one large, continuous piece that is 12 x 22, seamed to one narrow piece of 6 x 22.
Number of rolls needed = Width of room / Width of carpet roll
= 18 meters / 12 meters
= 1.5 rolls
But you can't buy 1/2 roll so, round up to 2 rolls.
Length of carpet needed = Length of room
Length of carpet = 22 meters
Total area of carpet needed = Length of carpet x Width of carpet roll x Number of rolls
= 22 meters x 12 meters x 2 rolls
= 528 m²
Cost of carpet = Total area x Cost per square meter
= 528 m² x $28.50/m²
Cost of carpet = $15,048
Therefore, the most efficient way to lay the carpet is to use 2 rolls of carpet, with one roll covering 12 m of width and the other roll covering the remaining width (6 m). This arrangement requires just 1 seam. The total cost of the carpet will be $15,048.
a) the most efficient way to lay the carpet is to have one seam along the longer side, dividing it into two 12-meter sections, and a single piece along the shorter side.
b) The carpet will cost $13,680.
a) To find the most efficient way to lay the carpet, we need to minimize the number of seams required. In this case, since the carpet comes in rolls that are 12 meters wide, we should aim to minimize the number of cuts made along the width of the room.
Since the room measures 18 meters by 22 meters, we can use the 12-meter width of the carpet to cover the shorter side (18 meters) with a single piece. This leaves us with a longer side of 22 meters.
To cover the longer side, we can use two pieces of carpet, each measuring 12 meters in width. This way, we minimize the number of seams required.
So, the most efficient way to lay the carpet is to have one seam along the longer side, dividing it into two 12-meter sections, and a single piece along the shorter side.
b) Now let's calculate the cost of the carpet for the selected configuration.
The cost of the carpet is given as $28.50 per square meter. To calculate the total cost, we need to find the total area of the carpet required.
For the shorter side (18 meters), we need a single piece of carpet with a width of 12 meters, resulting in an area of 18 meters * 12 meters = 216 square meters.
For the longer side (22 meters), we need two pieces of carpet, each with a width of 12 meters. The total width covered will be 12 meters + 12 meters = 24 meters. However, since the room is only 22 meters long, we will trim off the excess, resulting in an area of 22 meters * 12 meters = 264 square meters.
The total area of the carpet required is 216 square meters + 264 square meters = 480 square meters.
Now, we can calculate the total cost by multiplying the total area by the cost per square meter:
Total cost = 480 square meters * $28.50/square meter
Calculating the value, we find that the carpet will cost $13,680.
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