Point P is on the terminal side of angle theta.
Find cot of theta.
Point P is located at (0, 5)
Answers
Check the picture below, so the angle looks more or less like so.
now, let's recall that the value pair in a terminal point is the adjacent and opposite sides
[tex]\cot(\theta )=\cfrac{\stackrel{adjacent}{0}}{\underset{opposite}{5}}\implies \cot(\theta )=0[/tex]
Related Questions
Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.
Answers
The correct representations of the inequality –3(2x – 5) < 5(2 – x) are x > 5 and x > 5
Selecting the correct representations of the inequalityFrom the question, we have the following parameters that can be used in our computation:
–3(2x – 5) < 5(2 – x)
Open the brackets
So, we have
-6x + 15 < 10 - 5x
Evaluate the like terms
So, we have
-x < -5
This gives
x > 5
Hence, the correct representations of the inequality are x > 5 and x > 5
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Chi Square Test
. A six-sided die is rolled 120 times. Fill in the expected frequency column. Then, conduct a goodness-of-fit test to determine if the die is fair. The table below shows the result of the 120 rolls.
Face Value |. Frequency. |. Expected Frequency
1. | | 15 |
2. | | 29 |
3. | |. 16 |
4. | |. 15 |
5. | |. 30 |
6 | | 15 |
Answers
Expected frequency of each face value is 20 and we can reject the null hypothesis that the die is fair.
To conduct a goodness-of-fit test for the fairness of the die, we need to first determine the expected frequency of each face value assuming the die is fair. Since there are six equally likely outcomes for a fair die, the expected frequency of each face value is 120/6 = 20.
Thus, we can complete the expected frequency column in the table as follows:
Face Value Frequency Expected Frequency
1 15 20
2 29 20
3 16 20
4 15 20
5 30 20
6 15 20
We can then calculate the chi-squared statistic using the formula:
χ² = Σ[(O - E)² / E]
where O is the observed frequency and E is the expected frequency.
Substituting the values from the table, we get:
χ² = [(15-20)²/20] + [(29-20)²/20] + [(16-20)²/20] + [(15-20)²/20] + [(30-20)²/20] + [(15-20)²/20]
χ² = 4.75 + 2.25 + 1 + 4.75 + 5 + 4.75
χ² = 22.25
The degrees of freedom for this test is (6-1) = 5. Using a chi-squared distribution table with 5 degrees of freedom and a significance level of 0.05, we find the critical value to be 11.07.
Since the calculated chi-squared value of 22.25 is greater than the critical value of 11.07, we can reject the null hypothesis that the die is fair. Therefore, we have evidence to suggest that the die may be biased.
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Find the missing length
Answers
[tex]\cfrac{9}{x}=\cfrac{6}{10}\implies \cfrac{9}{x}=\cfrac{3}{5}\implies 45=3x\implies \cfrac{45}{3}=x\implies 15=x[/tex]
rex industries has two products. They manufactured 12,539 units of products A and 8,254 units of product B. What is the activity rate for each cost pull?
Answers
The activity rate for Cost Pool A is $7.97 per unit of Product A, and the activity rate for Cost Pool B is $6.06 per unit of Product B.
What is the activity rate?The activity rate is a cost accounting term that refers to the cost that a company incurs for each unit of a particular activity or process. It is calculated by dividing the total cost of an activity or process by the total number of units produced or processed.
The purpose of calculating activity rates is to allocate the cost of a particular activity or process to the products or services that use that activity or process. This helps to determine the true cost of producing a product or service and to make informed decisions about pricing, profitability, and resource allocation.
According to the given informationIn order to calculate the activity rate for each cost pool, we need to know the total cost for each cost pool.
Let's assume that there are two cost pools: Cost Pool A and Cost Pool B.
If we know the total cost for each cost pool, we can calculate the activity rate for each cost pool by dividing the total cost by the total number of units produced.
For example, if the total cost for Cost Pool A is $100,000 and 12,539 units of Product A were produced, then the activity rate for Cost Pool A would be:
Activity Rate for Cost Pool A = Total Cost for Cost Pool A / Total Units of Product A
Activity Rate for Cost Pool A = $100,000 / 12,539 units
Activity Rate for Cost Pool A = $7.97 per unit of Product A
Similarly, if the total cost for Cost Pool B is $50,000 and 8,254 units of Product B were produced, then the activity rate for Cost Pool B would be:
Activity Rate for Cost Pool B = Total Cost for Cost Pool B / Total Units of Product B
Activity Rate for Cost Pool B = $50,000 / 8,254 units
Activity Rate for Cost Pool B = $6.06 per unit of Product B
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A union of restaurant and foodservice workers would like to estimate the mean hourly wage, u, of foodservice workers in the U.S. The union will choose a random sample of wages and then estimate u using the mean of the sample. What is the minimum sample size needed in order for the union to be 90% confident that its estimate is within $0.45 of u? Suppose that the standard deviation of wages of foodservice workers in the U.S. is about $2.20.
Answers
Union will need to choose a random sample of at least 65 wages to be 90% confident that its estimate of the mean hourly wage of foodservice workers is within $0.45 of the true population mean.
What is the minimum sample size needed?To calculate the minimum sample size needed for the union to be 90% confident within $0.45 of the true population mean, we can use the formula which states n = (Z^2 * σ^2) / E^2
Z = 90% = 1.645
σ = $2.20
E = $0.45
Substituting the values, we get:
n = (1.645^2 * 2.20^2) / 0.45^2
n = 13.097161 / 0.2025
n = 64.6773382716
n = 64.678
n = 65
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A net of a rectangular prism is shown.
A net of a rectangular prism with dimensions 7 centimeters by 3 and three-fifths centimeters by 2 and two-fifths centimeters.
What is the surface area of the prism?
four hundred five and three twenty-fifths cm2
two hundred two and fourteen twenty-fifths cm2
one hundred one and seven twenty-fifths cm2
fifty and sixteen twenty-fifths cm2
Answers
The surface area of a rectangular prism is the sum of the areas of all its faces. The answer is B) two hundred two and fourteen twenty-fifths cm²
What is Surface Area?Surface area refers to the total area occupied by the surface of an object. It is found by adding up the areas of all the faces or surfaces of the object. For example, the surface area of a cube is found by multiplying the length of one edge by itself, and then multiplying the result by six, since a cube has six faces of equal area.
What is rectangular prism?A rectangular prism is a three-dimensional solid shape that has six faces, where each face is a rectangle. It is also known as a rectangular parallelepiped.
According to given information :
To find the surface area of the rectangular prism, we need to find the area of each face and then add them together. Using the given dimensions, we can see that the six faces have areas of:
Front and back faces: 7 cm x 2 and 2/5 cm = 29 and 3/5 square cm each
Top and bottom faces: 3 and 3/5 cm x 2 and 2/5 cm = 9 and 9/25 square cm each
Side faces: 7 cm x 3 and 3/5 cm = 25 and 1/5 square cm each
Adding these areas together, we get a total surface area of:
2(29 and 3/5) + 2(9 and 9/25) + 2(25 and 1/5)
= 59 and 1/5 + 18 and 18/25 + 50 and 2/5
= 127 and 11/25 square cm
Therefore, the closest answer to the surface area of the prism is B) two hundred two and fourteen twenty-fifths cm²
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A company applies for a €170,000 mortgage loan to be repaid with fixed monthly installments at a 2,25% annual nominal interest rate compounded over 25 years. Please, find the amounts that would correspond to the following items:
a) The amount of the monthly installments, the total amount paid, and the interest to be paid over those 30 years.
b) The principal pending at the end of year 10 and the amount of interest paid in those 10 years.
c) The amounts corresponding to the first 4 years of the loan amortization schedule.
Answers
The monthly installments are €761.94, the total amount paid is €809.68 , and the interest paid is €72,904.00 over 25 years. The principal pending at the end of year 10 is €136,148.95, and the interest paid in 10 years is €33,851.05. The amounts corresponding to the first 4 years are Year 1 - €166,105.68, Year 2 - €162,059.00, Year 3 - €157,857.39, and Year 4 -€153,498.11
To find the amount of the monthly installments, we can use the formula
M = P * (r / (1 - (1 + r)⁻ⁿ))
where M is the monthly installment, P is the principal amount borrowed, r is the monthly interest rate, and n is the total number of monthly payments.
First, we need to convert the annual nominal interest rate to a monthly rate
r = 2.25% / 12 = 0.1875%
Next, we need to find the total number of monthly payments
n = 25 years * 12 months/year = 300 months
Using the formula, we get
M = 170,000 * (0.001875 / (1 - (1 + 0.001875)⁻³⁰⁰)) = €809.68 (rounded to the nearest cent)
The total amount paid over the 25 years would be:
Total amount paid = M * n = €809.68 * 300 = €242,904.00
The interest paid over those 25 years would be
Interest paid = Total amount paid - Principal amount borrowed = €242,904.00 - €170,000 = €72,904.00
To find the principal pending at the end of year 10, we can use the formula for the remaining balance on a loan
B = P * ((1 + r)ⁿ - [tex](1 + r)^t[/tex] / ((1 + r)ⁿ - 1)
where B is the remaining balance, P is the principal amount borrowed, r is the monthly interest rate, n is the total number of monthly payments, and t is the number of monthly payments made.
After 10 years, the number of monthly payments made would be
t = 10 years * 12 months/year = 120 months
The remaining number of monthly payments would be
n - t = 300 - 120 = 180 months
Using the formula, we get
B = 170,000 * ((1 + 0.001875)³⁰⁰ - (1 + 0.001875)^¹²⁰) / ((1 + 0.001875)³⁰⁰ - 1) = €136,148.95
To find the amount of interest paid in those 10 years, we can subtract the remaining balance from the original principal amount:
Interest paid = Principal amount borrowed - Remaining balance = €170,000 - €136,148.95 = €33,851.05
To find the amounts corresponding to the first 4 years of the loan amortization schedule, we can use an amortization schedule calculator or a loan amortization formula. Here are the amounts for the first 4 years
Year 1
Beginning balance: €170,000.00
Monthly payment: €809.68
Principal paid: €3,894.32
Interest paid: €6,594.51
Ending balance: €166,105.68
Year 2
Beginning balance: €166,105.68
Monthly payment: €809.68
Principal paid: €4,046.67
Interest paid: €6,442.16
Ending balance: €162,059.00
Year 3
Beginning balance: €162,059.00
Monthly payment: €809.68
Principal paid: €4,201.61
Interest paid: €6,287.22
Ending balance: €157,857.39
Year 4
Beginning balance: €157,857.39
Monthly payment: €809.68
Principal paid: €4,359.28
Interest paid: €6,129.55
Ending balance: €153,498.11
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Pls help math problem
Answers
+) tri1 = 2×3 = 6 (cm²)
+) tri2 = 3×4 = 12 (cm²)
+) area of this shape = tri1 + tri2 = 6+12 = 18 (cm²)
Ans: 18cm²
ok done. Thank to me >:333
Solve the equation by completing the square. The equation has real number solutions.
x² + 12x = -32
X=
Answers
Answer:
X = -8 X= -4
Step-by-step explanation:
x² + 12x = -32
(x + 12/2)² = -32 + (12/2)²
(x + 6)²= 4
square root both sides
x + 6 = 2
x + 6 = -2
x=-8 x=-4
pleasee helppp don’t js guess or put something random pls i beg
Answers
Answer:
C. -3x + 2y = 20
Step-by-step explanation:
Since the slope of line P is -2/3, and line Q is perpendicular to line P, the slopes of lines P and Q will be negative reciprocals. So the slope of line Q is 3/2. Since (-6, 1) is on line Q, we have:
1 = (3/2)(-6) + b
1 = -9 + b
b = 10
y = (3/2)x + 10
2y = 3x + 20
-3x + 2y = 20, so the correct answer is C.
Tom jogs 4 1/6 miles from his house. He then jogs 5 4/5 miles farther. How many miles has Tom jogged in all? Write your answer as a mixed number in simplest form.
Answers
Answer:
Step-by-step explanation:
To solve the problem, we need to add the two distances Tom jogged:
4 1/6 + 5 4/5
To add the two mixed numbers, we need to convert them into improper fractions:
4 1/6 = (6 x 4 + 1) / 6 = 25 / 6
5 4/5 = (5 x 5 + 4) / 5 = 29 / 5
Now we can add the two fractions:
25/6 + 29/5
To add the fractions, we need to find a common denominator:
LCM of 6 and 5 = 30
25/6 x 5/5 = 125/30
29/5 x 6/6 = 174/30
Now we can add the fractions:
125/30 + 174/30 = 299/30
The sum of the distances in improper fraction form is 299/30 miles. To write the answer as a mixed number in simplest form, we need to divide the numerator by the denominator:
299 / 30 = 9 29/30
Therefore, Tom has jogged 9 29/30 miles in all.
The diagonal of the floor of a rectangular office cubicle is 4 ft longer than the length of the cubicle and 3ft longer than twice the width. Find the dimensions of the cubicle.
Answers
The dimensions of the cubicle are 31.97 and 16.5 respectively.
How to calculate the dimensionsWe make diagram of rectangular office and AB is diagonal
let L be length and E be width
From the information, the diagonal of the floor of a rectangular office cubicle is 4 ft longer than the length of the cubicle and 3ft longer than twice the width.
As given diagonal of the floor of a rectangular office cubicle is 4 ft longer than the length L.
So D = l + 4
D² = L² + W²
(D - 4)² + (D - 3)² / 4 = D²
Simplifying further, the dimensions of the cubicle are 31.97 and 16.5 respectively.
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Recently, Tom found he was a distant relative of General James Wolfe who died at the battle on the Plains of Abraham in 1759. When he died in 1759 he left $100 in his will which now belongs to Tom. The money has been in a savings account where it has been earning interest at 3.5% per year, compounded annually. How much will Tom have in the year 2022? Round to the nearest cent, do not put $ sign or commas in answer.
Answers
In 2022, Tom will have approximately 157783.78 in his account.
How to solve for the future valueFuture Value (FV)
= Principal (P) * (1 + Interest Rate (R))^Number of Years (N)
In this case:
Principal (P) = $100
Interest Rate (R) = 3.5% = 0.035
Number of Years (N)
= 2022 - 1759
= 263 years
Now we can plug in the values into the formula:
FV = $100 * (1 + 0.035)^263
FV ≈ $100 * 1577.837835196 (rounded to 9 decimal places)
FV ≈ $157,783.78 (rounded to 2 decimal places)
So, in 2022, Tom will have approximately 157783.78 in his account.
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How would you express the Raptors’ wins to games played as a ratio?
Soccer season = 35 games
Raptors: Played 10, Won 6
Answers
Answer:
3:5 or 3 to 5 or [tex]\frac{3}{5}[/tex]
Step-by-step explanation:
[tex]\frac{6}{10}[/tex] ÷[tex]\frac{2}{2}[/tex] = [tex]\frac{3}{5}[/tex]
Helping in the name of Jesus.
PLEASE HELP ME ANSWER THIS I WILL GIVE BRAINLIEST OUT!
Answers
C(100)=1050
C(300)= .5(300) + 1000
C(300)= 1150
1150 is the amount of money it costs to manufacture 300 pencils at the factory, including the machinery.
For these problems you just have to substitute the given values for x. So since they want to make 100 pencils, you substitute 100 in for x, hence .5(100)+1000. Then you just multiply .5 by 100 and add 1000.
The same is true for 300, but instead of multiplying by 100, you multiply by 300.
Answer this simple question for big reward please
Answers
Answer:
The answer is C. 24, 9, -11, -24, -33.
In this list, 24 is the greatest integer, followed by 9, then -11, then -24, and finally -33. The other options are not in order from greatest to least.
Step-by-step explanation:
Answer:
The answer is C. 24, 9, -11, -24, -33.
In this list, 24 is the greatest integer, followed by 9, then -11, then -24, and finally -33. The other options are not in order from greatest to least.
Step-by-step explanation:
Pizza sizes are based on the diameters of the pizza. Matthew, Raul, and Jerome ordered a 16-inch pizza that was cut into 12 equal slices. Each boy ate 4 slices of the pizza.
How many square inches of pizza did each boy eat? (Round your answer to the nearest whole square inch.)
A. 268 square inches
B. 50 square inches
C. 38 square inches
D. 67 square inches
Answers
Answer:
D. 67 square inches
Step-by-step explanation:
16 inches in diameter is an 8 inch radius. The area of a circle (the whole pizza) is
A = pi• r^2
= 3.14•8^2
= 64pi
= 200.96
The whole pizza is 200.96 square inches of pizza.
There are 12 pieces.
200.96 ÷ 12
= 16.746666...
Each slice is 16.75 sq inches.
The guys ate 4 pieces each.
16.75 × 4
= 67
Each guy ate 67 sq inches of pizza.
Need help with this page 20 points
Answers
Answer:
14. D) x+25=50; when x=157, x+25=182, which is equal to 50.
15. a) 3; you can solve for r by isolating the variable on one side of the equation. First, add 21 to both sides to get 10g - 21 + 21 = 7r + 12 + 21. Simplify to get 10g = 7r + 33. Then, subtract 33 from both sides to get 10g - 33 = 7r. Finally, divide both sides by 7 to get r = (10g - 33)/7. Plugging in a value for g, such as 3, gives you r = 3.
16. C) 2; combine like terms on both sides of the equation to get r - 8 = 8r + 10. Then, isolate the variable by subtracting r from both sides to get -9r - 8 = 10. Next, add 8 to both sides to get -9r = 18. Finally, divide both sides by -9 to get r = -2.
17. a) -36; start by isolating the variable on one side of the equation. Add 18 to both sides to get m/3 = m + 24. Then, subtract m from both sides to get -2m/3 = 24. Next, multiply both sides by -3/2 to get m = -36.
Step-by-step explanation:
Mark Brainliest!!
How do I find the matrix A?
Answers
The matrix of A is [tex]A = \left[\begin{array}{ccc}0&0&-6\\9&0&0\\0&0&0\end{array}\right][/tex]
Let's start by considering the first standard basis vector [1 0 0]. Applying the transformation T to this vector gives:
T([1 0 0]) = [0 9 -6] * [1 0 0] = [0 0 0]
Therefore, the image of [1 0 0] under T is the zero vector [0 0 0]. Since the image of the first standard basis vector is the first column of the matrix A, we know that the first column of A is the zero vector.
We can follow the same process to find the image of the second standard basis vector [0 1 0]:
T([0 1 0]) = [0 9 -6] * [0 1 0] = [0 9 0]
Therefore, the image of [0 1 0] under T is the vector [0 9 0]. Since the image of the second standard basis vector is the second column of the matrix A, we know that the second column of A is [0 9 0].
Finally, we find the image of the third standard basis vector [0 0 1]:
T([0 0 1]) = [0 9 -6] * [0 0 1] = [-6 0 0]
Therefore, the image of [0 0 1] under T is the vector [-6 0 0]. Since the image of the third standard basis vector is the third column of the matrix A, we know that the third column of A is [-6 0 0].
Putting it all together, the matrix A of the linear transformation T (x) = v * x is:
[tex]A = \left[\begin{array}{ccc}0&0&-6\\9&0&0\\0&0&0\end{array}\right][/tex]
In conclusion, we can see that the matrix A captures how the linear transformation T maps each standard basis vector in R³. By applying this matrix to any vector in R³, we can efficiently compute the image of that vector under T.
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A newscaster earns $31,800 and wants to invest 10% of his/her monthly salary to save for retirement in 24 years. If he/she invests this money at 5.5% compounded monthly, how much money will he/she have at retirement? a) How much will be saved each year? $ b) What will be the monthly deposit? $ c) What will be the amount in the account after 24 years? $
Answers
Answer: a) The amount saved each year will be 10% of the annual salary, which is:
10% x $31,800 = $3,180
b) the monthly deposit will be $265.
c) the amount in the account after 24 years will be $76,046.92.
Step-by-step explanation:
place the indicated product in the proper location on the grid (b^2+8)(b^2-8)
Answers
The final product of the given algebraic expression is: b⁴ - 64
How to expand algebraic expressions?Algebraic expressions are defined as simply the idea of expression of numbers using letters without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as a, b, c, etc. These letters are referred to as variables. An algebraic expression can be a combination of both the variables and the constants. Any value that is placed before and multiplied by a variable is a coefficient.
The expression is given as:
(b² + 8)(b² - 8)
Expand the expression using (a + b)(a - b) = a² - b²
Thus:
(b² + 8)(b² - 8) = b⁴ - 64
Thus, that is the final product of the given algebraic expression.
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Plot -2 1/6 and 11/6 on the number line below.
Answers
The given rational numbers are marked on number line below.
The given numbers are [tex]-2\frac{1}{6}[/tex] and 11/6.
We need to plot the given numbers on number line.
A number line is a visual representation of numbers on a straight line. This line is used to compare numbers that are placed at equal intervals on an infinite line that extends on both sides, horizontally or vertically.
Hence, the given rational numbers are marked on number line below.
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the relation between x^n and n! . Is x^n and n! are equal?you can use taylor series.
Answers
x^n/n! = 1/n! * x^n = 1/n! * xe^x
Therefore, we can say that x^n and n! are related to each other through the exponential function and the Taylor series expansion.
Step-by-step Explanation:
No, x^n and n! are not equal in general. The two expressions have different forms and different properties.
x^n represents the nth power of a variable x, where n is a non-negative integer.
n! represents the factorial of a non-negative integer n, which is the product of all positive integers up to and including n.
However, there is a special case where x^n and n! are related to each other. Specifically, when x is a positive integer and n is also a positive integer, we have:
x^n = n!/(n-1)!
This can be shown using the definition of factorial and simplifying the expression on the right-hand side.
We can also use the Taylor series expansion of the exponential function e^x to relate x^n and n!. Specifically, we have:
e^x = ∑(n=0 to ∞) x^n/n!
Taking the derivative of both sides with respect to x, we get:
d/dx (e^x) = d/dx (∑(n=0 to ∞) x^n/n!)
e^x = ∑(n=1 to ∞) x^(n-1)/(n-1)!
Multiplying both sides by x, we get:
xe^x = ∑(n=1 to ∞) x^n/n!
Comparing this with the definition of x^n, we get:
x^n/n! = 1/n! * x^n = 1/n! * xe^x
Therefore, we can say that x^n and n! are related to each other through the exponential function and the Taylor series expansion.
You are driving 70 miles per hour going to the beach. You started driving 10 miles closer to the beach then you normally would. How far away are you from home after 2 hours of driving?
Answers
If you started driving 10 miles closer to the beach then you normally would, after 2 hours of driving, you are 130 miles away from home.
Assuming that the distance to the beach from your home is "d" miles, you normally drive "d - 10" miles before reaching the beach.
If you drive for 2 hours at 70 miles per hour, you will have traveled a total distance of:
distance = speed x time = 70 x 2 = 140 miles
However, this distance includes the 10 miles that you started closer to the beach than normal. Therefore, the distance you have traveled from your home is:
distance from home = 140 - 10 = 130 miles
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Find what percent of the perfect squares less than 1000 that end in a 6. (Don't forget that zero is a perfect square)
Answers
The perfect square is the integer that can be expressed as the square of another integer. Moreover, it is said to be the product of some integer with itself.
To see the percent of the perfect squares less than 1000 that end in a 6. Let us see the perfect squares under 1000.
Perfect squares < 1000
0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256. 289, 324, 361, 400. 441. 484, 529. 576, 625, 676, 729, 784, 841, 900, 961
Hence, there are 32 perfect squares less than 1000 in which,
6 end in a "6"
So
6 / 32 = 3/ 16 = 18.75 %
Therefore 18.75% percent of the perfect squares are less than 1000 that end in a 6.
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What is the mean and MAD for this data set\
Team A-(0,0,0,1,1,4,4,5,7,8)
Team B-(0,1,1,2,2,2,3,5,6,8)
Answers
marking as brainlist!!! pls help
Answers
The measure of the angle ∠6 is 102 degrees for the given parallel lines.
What are supplementary angles?Two angles are said to be supplementary if their sums equal 180 degrees. In other words, if angles A and B are complementary, then the sum of the two angles is 180 degrees. Four angles are created when two lines intersect; if two of these angles are supplementary, the other two are likewise supplementary.
Since 70 + 110 = 180 degrees, 70 degrees and 110 degrees serve as an illustration of a pair of supplementary angles. Another illustration is a pair of vertical angles, which are always supplementary and are generated by the intersection of two lines.
The measure of angle of a straight line is given as 180 degrees.
Thus,
∠6 + 78 = 180
∠6 = 180 - 78
∠6 = 102
Hence, the measure of the angle ∠6 is 102 degrees for the given parallel lines.
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Need help with questions 3, 5, and 6.
Answers
Answer:
1. 16
2. 9
3. 21.08
Step-by-step explanation:
1. (explanation) (x+b)^2 = x^2+2bx + b^2 ( square formula)
16, would make a square trinomial
Answer:
1.16
2.9
3.x=9+root of 146(12.08) or x=9-root of 146
There are four rational numbers which are listed smallest to largest, A, B, C, and D.
If the numbers are 5/3, 7/15, 6/10, and 25/5 identify which is A, which is B, which is C, and which is D.
Answers
Okay, let's list the 4 rational numbers from smallest to largest:
5/3
7/15
6/10
25/5
So:
5/3 is A
7/15 is B
6/10 is C
25/5 is D
A ladder leans against the side of a house. The angle of elevation of the ladder is 64 degrees when the bottom of the ladder is 9ft from the side of the house. How high is the top of the ladder from the ground? Round your answer to the nearest tenth.
Answers
- tan = opposite/ adjacent
- tan 64 = x(the height of the ladder)/ 9ft
- 2.050= x/9ft
-x= 9ft * 2.050
- x= 18.45ft = 18.5 ft= 19 ft
so x or the unkown height is 19 ft