Answer:
x = 270°
Step-by-step explanation:
Angles between two tangent is half of the difference between major arc and minor arc.
Major arc = x°
Minor arc = (360 - x)°
\(\sf \boxed{\bf angle \ between \ two \ tangents = \dfrac{major \ arc - minor \ arc}{2}}\)
\(90^\circ = \dfrac{x - (360 -x)}{2}\\\\90 = \dfrac{x - 360 + x}{2}\\\)
90 * 2 = 2x - 360
180 = 2x - 360
Add 360 to both sides,
180 + 360 = 2x
540 = 2x
Divide both sides by 2,
540 ÷ 2 = x
\(\sf \boxed{x = 270^\circ}\)
If Someone Has 2000 Bassball cards And I Have 1 tenth of the fraction as many How Many Cards do I have
Answer:
200
Step-by-step explanation:
5.3 MATHEMATICS HOLIDAY PACKAGE-TERM 2(2023) Instructions: Attempt ALL items 1. Your family has seven siblings; peter, John, Sarah, Joy, Ali, Mary and Ivan. There is an interval of 2 years between the ages of the children from Ivan to peter. Ivan is three years old. Task: Using an arrow diagram, explain the information about your family.
A middle school took all of its 6th grade students on a field trip to see a play at a theater that has 1900 seats. The students filled 44% of the seats in the theater. How many 6th graders went on the trip?
Given the two functions, which statement is true? f(x) = 3x, g(x) = 3x + 5 Question 12 options: g(x) is translated up 5 units compared to f(x) g(x) is translated left 5 units compared to f(x) g(x) is translated down 5 units compared to f(x) g(x) is translated right 5 units compared to f(x)
The correct statement is: g(x) is translated up 5 units compared to f(x).
The correct answer is A.
To determine the translation between the two functions, we can observe that the only difference between them is the constant term.In f(x) = 3x, there is no constant term, so the graph of f(x) passes through the origin (0, 0).In g(x) = 3x + 5, there is a constant term of 5 added to the function. This means that the graph of g(x) is shifted vertically upward by 5 units compared to the graph of f(x).Therefore, g(x) is translated up 5 units compared to f(x).The correct answer is A.
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Question 6
1 pts
Sara just started her first job as an assistant at an after-school child care center. She works
12 hours a week and makes $9 per hour. She has been told that 15% of her paycheck will
be deducted for federal, state, and local taxes. How much should Sara expect her
paycheck from her first full week of work to be?
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Sara should expect a paycheck of $91.80 from her first full of work.
In the question, we are given that Sara just started her first job as an assistant at an after-school child care center. She works 12 hours a week and makes $9 per hour. She has been told that 15% of her paycheck will be deducted for federal, state, and local taxes.
We are asked for the amount that Sara should expect her paycheck of, from her first full week of work.
The time for which Sara works weekly = 12 hours.
The per hour earning of Sara = $9.
Thus, the total earnings after working for 12 hours at the rate of $9 per hour is 12*$9 = $108.
Now, the deduction is given to be 15%.
Thus, the total deduction = 15% of $108 = $16.20.
The amount on the paycheck = The total earnings less the deduction,
or, the amount on the paycheck = $108 - $16.20 = $91.80.
Thus, Sara should expect a paycheck of $91.80 from her first full of work.
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Please use the same data set to answer ALL questions on this page.
Question 4 (2 points)
Sam works at a doggy daycare. For ten days, she counted the number of dogs at the
daycare each day.
Number of dogs
47 38 72 56 40 64 30 80 66 51
The box that depicts the number of dogs at the daycare each day is Box C which shows median of 60. The Option C.
What is the median number of dogs?The full data for number of dogs at the daycare each day is:
\(47,38,72, 56, 40, 64, 30, 80, 66, 51, 33, 74, 70, 69\)
To get median, we will arrange the numbers in ascending order which is:
\(30, 33, 38, 40, 47, 51, 56, 64, 66, 69, 70, 72, 74, 80\)
Since we have an even number of observations (14), the median will be the average of the two middle numbers.
The two middle numbers are 56 and 64. So the median is:
= (56 + 64) / 2
= 120 / 2
= 60.
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Matthew invested $8,000 in an account paying an interest rate of 3 1/8% compounded
continuously. Parker invested $8,000 in an account paying an interest rate of 2 3/4%
compounded annually. To the nearest dollar, how much money would Parker have in
his account when Matthew's money has tripled in value?
Parker would have approximately $13,774 in his account when Matthew's money has tripled in value.
We have,
For Matthew's investment, the continuous compounding formula can be used:
\(A = P \times e^{rt}\)
Where:
A = Final amount
P = Principal amount (initial investment)
e = Euler's number (approximately 2.71828)
r = Annual interest rate (in decimal form)
t = Time (in years)
In this case,
Matthew's money has tripled,
So A = 3P.
For Parker's investment, the formula for compound interest compounded annually is used:
\(A = P \times (1 + r)^t\)
Where:
A = Final amount
P = Principal amount (initial investment)
r = Annual interest rate (in decimal form)
t = Time (in years)
We need to find t when Matthew's money has tripled in value.
Let's set up the equation:
\(3P = P \times e^{rt}\)
Dividing both sides by P, we get:
\(3 = e^{rt}\)
Taking the natural logarithm of both sides:
ln(3) = rt
Now we can solve for t
t = ln(3) / r
For Matthew's investment,
r = 3 1/8% = 3.125% = 0.03125 (as a decimal).
For Parker's investment,
r = 2 3/4% = 2.75% = 0.0275 (as a decimal).
Now we can calculate t for Matthew's investment:
t = ln(3) / 0.03125
Using a calculator, we find t ≈ 22.313 years.
Now, we can calculate how much money Parker would have in his account at that time:
\(A = P \times (1 + r)^t\)
\(A = $8,000 \times (1 + 0.0275)^{22.313}\)
Using a calculator, we find A ≈ $13,774.
Therefore,
Parker would have approximately $13,774 in his account when Matthew's money has tripled in value.
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Answer:
20,763
Step-by-step explanation:
I saw the answer after I got it wrong
pls give simple working out
x is 146 degrees
This is because angle y and angle x are supplementary, which means their measures add up to 180 degrees
180 - 34 = 146
Answer: x = 146°
Step-by-step explanation:
Given that y = 35°, Using linear pair
x+y = 180
x+35=180(Substitute value of y)
x=180-35(Transposition Method)
x=145°
A company manager wishes to test a union leader's claim that absences occur on the different week days with the same frequencies. Test this claim at the 0.05 level of significance if the following sample data have been compiled.
Day Monday Tuesday Wednesday Thursday Friday
Absences 37 15 12 23 43
Does the data support her claim?
Answer:
We reject H0 and conclude that difference ls occur in the number of Absences
Step-by-step explanation:
Given the data :
Day Monday Tuesday Wednesday Thursday Friday
Absences 37 15 12 23 43
H0: The proportions are all equal
H1: The proportions are not equal
We use the Chisquare test:
The test statistic :
χ² = Σ(observed - Expected)² / Expected
Expected value is the same for all the days, since they have the same frequency :
Expected value = percentage * sample size
Sample size = 37 + 15 + 12 + 23 + 43 = 130
Expected value = (100/5)% * 130
Expected value = 26
χ² = Σ(observed - Expected)² / Expected
χ² = (37-26)²/26 + (15-26)²/26 + (12-26)²/26 + (23-26)²/26 + (43-26)²/26
χ² = 28.31
The Pvalue using Pvalue from Chisquare test score calculator, df = 4
Pvalue = 0.000011
α = 0.05
Pvalue < α ; We reject H0 and conclude that difference ls occur in the number of Absences
calculating area and circumference or perimeter of a 2d shape. use your measurements to calculate the area and circumference of the circle and to calculate the area and perimeter of the rectangle.
The area and perimeter of 2D shape of Rectangle is 6.8448cm and 11.04cm repectively. The area and perimeter of 2D shape of circle is 5.0761cm and 8.0028cm respectively.
2D shape of Rectangle with dimensions of Length is3.72 cm and Width is 1.84 cm. we can find the area of rectangle with formula Area = length x width and the formula of perimeter is Perimeter = 2(length + width).
Area = length x width = 3.72 cm x 1.84 cm = 6.8448 square cm (rounded to four decimal places)
Perimeter = 2(length + width) = 2(3.72 cm + 1.84 cm) = 11.04 cm
2D shape of Circle with dimension of diameter of 2.54 cm. we can find the area with formula Area = πr^2 and circumference with formula Circumference = 2πr
Radius = diameter / 2 = 2.54 cm / 2 = 1.27 cm
Area = πr^2 = π(1.27 cm)^2 = 5.0761 square cm (rounded to four decimal places)
Circumference = 2πr = 2π(1.27 cm) = 8.0028 cm (rounded to four decimal places)
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____The given question is incomplete, the complete question is given below:
Calculating area and circumference or perimeter of a 2D shape. Use your measurements to calculate the area and circumference of the circle and to calculate the area and perimeter of the rectangle. Rectangle Length: 3.72 cm Width: 1.84 cm Circle : 2.54 cm Diameter of circle
2) Subtract and simplify. 11 7\10 − 7 3\10 =
Answer:
4 2/5
Step-by-step explanation:
11 7/10
- 7 3/10
----------------
4 4/10
4 4/10 = 4 2/5
I need help pleaseeee
Answer:
Step-by-step explanation:
This expressions equals \(\sqrt{(x-2)^{2}\)
You can simplify to absolute value of x-2 when x is less than 2
Find
(Round your answer to the nearest hundredth)
The value of the unknown angle x would be 43 degrees.
What are trigonometric identities?Trigonometric identities are the functions that include trigonometric functions such as sine, cosine, tangents, secant, and, cot.
We have been given a right-angle triangle with a perpendicular side of 6 units and a hypotenuse of 10 units.
The unknown angle is x which needs to find.
Therefore, applying trigonometry;
Sin x = perpendicular/hypotenuse
Sin x = 6/10
Sin x = 3/5
Sin x = 0.6
x = Sin inverse (0.6)
x = 43 degrees.
Hence, the value of the unknown angle x would be 43 degrees.
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Triangles A B C and D E F are shown. Triangle A B C is rotated to the left about point A and then is shifted up and to the right to form triangle D E F. What are the rigid transformations that will map △ABC to △DEF? Translate vertex A to vertex D, and then reflect △ABC across the line containing AC. Translate vertex B to vertex D, and then rotate △ABC around point B to align the sides and angles. Translate vertex B to vertex D, and then reflect △ABC across the line containing AC. Translate vertex A to vertex D, and then rotate △ABC around point A to align the sides and angles.
Answer:
The answer is D. Translate vertex A to Vertex D, and then rotate triangleABC around point A to align the sides and angles
Translating vertex A to vertex D, and then rotate △ABC around point A to align the sides and angles will bring about a rigid transformation, the correct answer is D.
What are Rigid transformation?The transformations that preserves the Euclidean distance between points. This could be as a result of the any transformation.
Triangle ABC and DEF is shown,
Triangle A B C is rotated to the left about point A and then is shifted up and to the right to form triangle D E F.
To map ΔABC to ΔDEF , the vertex A will be translated to vertex D, and then the triangle is rotated around point A.
This will maintain the distance between the points when vertex A to D.
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A new blu-ray player costs $87.99 in the store. What would your total cost be if the sales tax is 6.5%? Round your answer to the nearest cent, if necessary.
The sales tax is 6.5% of $87.99. If $87.99 represents 100%, to find the 6.5% we can use the next proportion:
\(\frac{87.99\text{ \$}}{x\text{ \$}}=\frac{100\text{ \%}}{6.5\text{ \%}}\)Solving for x:
\(\begin{gathered} 87.99\cdot6.5=100\cdot x \\ \frac{571.9}{100}=x \\ 5.72=x \end{gathered}\)The sales tax is $5.72. In consequence, the total cost is:
\(\begin{gathered} \text{total cost = price + sales tax} \\ \text{total cost = \$}87.99+\text{\$}5.72 \\ \text{total cost = \$}93.71 \end{gathered}\)
Three-fourths of the difference of a number and 7 is negative fifteen. What is the number? (Please solve very clear and step by step and I'll give u brainlest)
Answer:
- 13Step-by-step explanation:
Three-fourths of the difference of a number and 7 is negative fifteen:
3/4*(x - 7) = - 15x - 7 = - 15*4/3x - 7 = - 20x = 7 - 20x = - 13Question 3 of 10
2 Points
If h(x) =(fºg)(x) and h(x) = 3(x + 2), find one possibility for f (x) and g(x).
Answer:
\(\boxed{\sf \ \ \ \text{one possibility is } f(x)=3x \ and \ g(x)=x+2 \ \ \ }\)
Step-by-step explanation:
hello
h(x)=f(g(x))=3(x+2)
if we have f(x)=3x and g(x)=x+2 then
f(g(x))=f(x+2)=3(x+2)
hope this helps
find the fractional form of sixty tow
seventh
sixty tow seven is not a number.
Car drove 2hours at a speed of 100km per hour & 3 hour at a speed of 50 km per hour . What was the average speed of the car during the trip?
Answer:
200 kilometers and 150 kilometers
You and your family go camping.
Your campsite is square. The area
of your campsite is 900 square
feet. What is the perimeter of the
campsite?
Answer:
The campsite would be 65 m by 65 m. 65 x 65 = 4,225. Another way to put it (and the way to figure it out) is that the square root of 4,225 is 65.
Step-by-step explanation:
A composite figure is shown.
10 ft
A
6 ft
10 ft
12 ft B
C
12 ft
4 ft
4 ft
Determine whether each statement about the composite figure is correct. True or false
the answer is 6the answer is 600 words
You earn $17.50/hr and work 40 hr/wk. Your deductions are FICA (7.65%), federal tax withholding (12.3%), and state tax withholding (6.2%). Your housing and fixed expenses are 30% of your realized income per month. You want to save 5 months' worth in an emergency fund within a year. How much do you need to save per month to fund the emergency fund, and how much discretionary money remains per month?
The amount that you need to save per month to fund the emergency fund would be $ 861. 58.
The discretionary money left per month would be $ 585. 88.
How to find the amount to save ?The gross income for the month :
= 17. 50 x 40 per week x 4 weeks a month
= $ 2, 800
The amount left which is realized funds for the month is:
= Gross income - FICA + Federal tax withholding + State tax withholding
= 2, 800 x ( 1 - 26. 15 %)
= $ 2, 067. 80
Five months of realized income for the emergency fund is:
= 2, 067. 80 x 5
= $ 10, 339
The amount to save per month is:
= 10, 339 / 12
= $ 861. 58
The amount left per month for discretionary expenses ;
= 2, 067. 80 - 861. 58 - 620. 24 rent
= $ 585. 88
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pls help !! i will mark brainilest
Answer:
m = 2/3
Step-by-step explanation:
Answer:
\( \frac{2}{3} \)
Step-by-step explanation:
slope is
\( m = \frac{rise}{run} = \frac{y 2 - y1}{x2 - x1} \)
(0,0) & (3,2)
\( m = \frac{2 - 0}{3 - 0} = \frac{2}{3} \)
7th grade math
The sales tax on an item is 6.5%. The total cost of the item is the price, p, plus the tax. Which expression represents the total cost?
A. 0.935p B. p + 1.065p C. 1.065p D. p + 6.5p
Answer:
B
Step-by-step explanation:
You add tax to the price not multiply
Answer:1.065p
Step-by-step explanation:
y = 1/9 * x - 8 what is the slope ?
Answer:
1/9
Step-by-step explanation:
the slope is m in y=mx+b
hope this helps!
PLEASE HELP ASAP!!!
I'd really appreciate the help, thanks in advance.
The questions below can be solved using the relation between angular size, physical size and distance. For the questions below, provide a complete solution with explanation.
1. Find the Sun's diameter. The sun has an angular diameter of about 0.5° and an average distance from the Earth of about 150 million km. What is the sun's approximate physical diameter? Compare your answer to the actual value of 1 390 000 km.
2. Find a Star's Diameter. The supergiant star Betelgeuse (in the constellation Orion) has a measured angular diameter of 0.040 arcsecond from Earth and a distance from Earth of 720 light-years. What is the actual diameter of Betelgeuse? Compare your answer to the size of our Sun and the Earth-Sun distance.
The physical diameter of the sun will be 1309000km and the percentage of difference between the diameters will be 5.8%.
How to calculate the diameter?From the information, the sun has an angular diameter of about 0.5° and an average distance from the Earth of about 150 million km. The angular diameter in radians will be:
= 0.5π / 180
= 0.008727 radians
Distance from the sun = 150 × 10^6
The physical diameter of the sun will be:
= 150 × 10^6 × 0.008727
= 1309000km
The difference between the diameters will be:
= 1390000 - 1309000
= 8.1 × 10^4.
The percentage of difference will be:
= (8.1 * 10^4) / 1390000 × 100
= 5.8%
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PLEASE HELP. What constant should be added to the binomial x2 + 5x so that it
becomes a perfect square trinomial?
Answer:
25/4
Step-by-step explanation:
Remember the following square formula?
(x+a)^2=x^2+2ax+a^2
This suggests that
2a=5
a=5/2
a^2=25/4
Horacio is solving the equation-3/4 + 2/5x = 7/20x -1/2. Which equation represents possible ways to begin solving for x?
The equation of the possible way to begin solving for x is 2/5x - 7/20x = 3/4 - 1/2
Which equation represents possible ways to begin solving for x?From the question, we have the following parameters that can be used in our computation:
-3/4 + 2/5x = 7/20x -1/2
The first step is to collect the like terms
So, we have
2/5x - 7/20x = 3/4 - 1/2
This represents an equation of the possible way to begin solving for x
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What is the solution to the system of equations?
7z+3y=-11
2z+ 5y = 1
Answer:
y=1 , z=-2
Step-by-step explanation:
I will use the method of elimination :
Multiply the top equation by 5 to make equation 3 :
35z + 15y = -55
Multiply bottom equation by 3 to make equation 4:
6z + 15y = 3
Subtract equation 3 from equation 4 to eliminate the y :
-29z = 58
Divide both sides by -29 to solve for z :
z = 58 ÷ -29
z = -2
Substitute this value into either equation 1 or 2 to solve for y :
I chose equation 2 :
2(-2) + 5y = 1
-4 + 5y = 1
Add 4 to both sides :
5y = 5
Divide both sides by 5 :
y = 1
Hope this helped and have a good day
What is the perimeter of the rectangle shown in simplest form in terms of X? Width is 3x-2 and length 5
Answer: 6x+6
Step-by-step explanation: The equation we will be using here is Perimeter of rectangle = 2*(Length+Width) We are given that the width is 3x-2 and the length is 5. We can plug into the perimeter equation to get Perimeter = 2*(3x-2+5).
2*(3x-2+5)
2*(3x+3)
6x+6 Distributive property
Our perimeter is 6x+6 in terms of x.
Hope this helps!