Answer:
20cm
Step-by-step explanation:
The length of the side x in centimeters will be 4.
What is a triangle?Triangle is a shape made of three sides in a two-dimensional plane. the sum of the three angles is 180 degrees.
Given that triangle has a perimeter of 30 cm. Side y is twice as long as side x. Side y is 4 less than side x. The value of x will be calculated as below:-
From the given information make the equations:-
y = 2x
x = y - 4
Put the value of x in the above equation:-
x = y - 4
x = 2x - 4
x = 4
Therefore, the length of the side x in centimeters will be 4.
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Which equation represents circle W?
any solution that satisfies all constraints of a problem is called a feasible solution. group of answer choices true false
True. A feasible solution is a solution that satisfies all the constraints of a problem. It is the solution that meets all the requirements or restrictions given in the problem. When solving a problem, the goal is to find a feasible solution that will meet the criteria and requirements given. A feasible solution is essential in ensuring that the problem is solved in the best possible way. In conclusion, a feasible solution is a necessary element of problem-solving, and it must meet all the constraints of the problem to be considered a viable solution.
A feasible solution is an essential concept in problem-solving. It is the solution that satisfies all the given constraints of a problem. The feasibility of a solution is determined by the constraints of the problem. If the solution meets all the requirements and restrictions given in the problem, it is considered feasible. In contrast, if it fails to meet one or more constraints, it is not a feasible solution.
In conclusion, a feasible solution is necessary in solving problems. It is a solution that satisfies all the constraints of a problem. Without a feasible solution, the problem cannot be solved effectively. Therefore, the feasibility of a solution is crucial, and it must meet all the requirements and restrictions given in the problem.
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If a card is drawn from a deck, find the probability of getting these results:
a. a 6 and a spade
b. a black king
c. a red card and a 7
d. a diamond or a heart
e. a black card
Answer:
Below in bold,
Step-by-step explanation:
a. There's is only one card that fits this description so
Probability = 1/52.
b. There are 2 black Kings so
Probability = 2/52 = 1/26.
c. There are 2 of these - 7 of diamonds and 7 of hearts
so
Probability = 2/52 = 1/26.
d. There 13 diamonds and 13 hearts so
Probability = 26/52 = 1/2.
e. There 26 black cards
Probability = 26/52 = 1/2.
You and a friend are trying to find a flag hidden in the woods. Your friend is standing
75 feet away from you. When facing each other, the angle from you to the flag is 720 and the angle from your friend to the flag is 53°. Is there enough information to locate
the flag?
Answer: Yes there is
Step-by-step explanation:
look bro your trying to get a total of 180 degrees
you already got 72 and 53 degrees
so add the two numbers and then subtract it from 180 degrees
thats 180 degrees minus 125 degrees
your missing point is 55 degrees
find the derivative of ln(cosx²).
Answer:
\(\displaystyle \frac{dy}{dx} = -2x \tan (x^2)\)
General Formulas and Concepts:
Calculus
Differentiation
DerivativesDerivative NotationBasic Power Rule:
f(x) = cxⁿf’(x) = c·nxⁿ⁻¹Derivative Rule [Chain Rule]: \(\displaystyle \frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)\)
Step-by-step explanation:
Step 1: Define
Identify
\(\displaystyle y = \ln (\cos x^2)\)
Step 2: Differentiate
Logarithmic Differentiation [Derivative Rule - Chain Rule]: \(\displaystyle y' = \frac{(\cos x^2)'}{\cos x^2}\)Trigonometric Differentiation [Derivative Rule - Chain Rule]: \(\displaystyle y' = \frac{-\sin x^2 (x^2)'}{\cos x^2}\)Basic Power Rule: \(\displaystyle y' = \frac{-2x \sin x^2}{\cos x^2}\)Rewrite [Trigonometric Identities]: \(\displaystyle y' = -2x \tan (x^2)\)Topic: AP Calculus AB/BC (Calculus I/I + II)
Unit: Differentiation
Which of the accounts listed below varies with sales? Select one: a. accounts receivable b. cost of goods sold c. administrative salaries d. A and B e. None of the above.
The correct answer is D: A and B ( Accounts receivable and cost goods )
Accounts receivable represents the amount of money owed to a company by its customers for goods or services that have been delivered but not yet paid for. As sales increase, the amount of accounts receivable also tends to increase since more customers will have outstanding balances.
Cost of goods sold (COGS) represents the direct costs associated with producing or purchasing the goods that are sold by a company. It includes the cost of raw materials, labor, and other direct expenses. As sales increase, the COGS also tends to increase since more goods are being produced or purchased for sale.
COGS is directly influenced by the level of sales because it is tied to the inventory turnover. When goods are sold, their associated costs are transferred from the inventory account to the COGS account. As sales increase, more goods are sold, and therefore, more costs are transferred to COGS.
COGS is calculated by subtracting the ending inventory value from the sum of the beginning inventory and the purchases made during a specific period. It is a key component in determining a company's gross profit and gross profit margin, which are important indicators of profitability.
On the other hand, administrative salaries (option c) typically do not vary directly with sales. Administrative salaries are usually fixed expenses that are paid to employees for their administrative roles regardless of the level of sales.
Therefore, the correct answer is option d. A and B, as both accounts receivable and cost of goods sold vary with sales.
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Jill has a piece of aluminum. The aluminum hass a mass of 5.4g and a volume of 2cm^3. What is the density of the aluminum?
mass (m) = 5.4g
Volume (V) = 2 cm^3
To find the density (p), we have to apply the next formula:
p= m/v
Replacing:
p´= 5.4/2 = 2.7 g/cm^3
The entries in the index of the National Codes are listed under one main term. True or False?
it helps to organize and categorize large amounts of information, making it more accessible and manageable. This organizational structure helps users to locate specific codes and information efficiently. indexing system True.
The National Codes index lists entries under one main term, which is usually a broad topic or subject area. Under each main term, there may be several subentries that provide more specific details or categories related to the main term. This type of indexing system allows users to quickly and easily find information related to a specific topic, without having to search through an entire document or database. Additionally, it helps to organize and categorize large amounts of information, making it more accessible and manageable.
In the index of the National Codes, entries are listed under one main term to ensure easy navigation and understanding of the content. This organizational structure helps users to locate specific codes and information efficiently.
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Question 4(Multiple Choice Worth 2 points)
(Comparing Data MC)
The data given represents the height of basketball players, in inches, on two different girls' teams.
Allstars
73 62 60
63 72 65
69 68 71
66 70 67
60 70 71
Super Stars
66 68 62
63 47 64
65 50 60
64 65 65
58 60 55
Compare the data and use the correct measure of center to determine which team typically has the tallest players. Explain your answer.
The Allstars, with a mean of about 67.1 inches
The Super Stars, with a mean of about 60.8 inches
The Allstars, with a median of 68 inches
The Super Stars, with a median of 63 inches
Answer:
The answer to your problem is, A. The Allstars, with a mean of about 67.1 inches
Step-by-step explanation:
Allstars mean height:
= (73 + 62 + 60 + 63 + 72 + 65 + 69 + 68 + 71 + 66 + 70 + 67 + 60 + 70 + 71) / 15
= 1007 / 15
= 67.6 inches
Super Stars mean height:
= (66 + 68 + 62 + 63 + 47 + 64 + 65 + 50 + 60 + 64 + 65 + 65 + 58 + 60 + 55) / 15
= 912 / 15
= 60.2 inches
We can see that the Allstars team has a higher mean height than the Super Stars team, with an average of 67.6 inches compared to 60.2 inches. Therefore, the Allstars team typically has the tallest players
Thus the answer to your problem is, A. The Allstars, with a mean of about 67.1 inches
The question is attached in the picture below. Pls help ASAP
\(\huge\text{Hey there!}\)
\(\huge\textbf{Your temporary equation: }\)
\(\mathsf{5x + x = \ ?}\)
\(\huge\textbf{We know: }\)
\(\large\textbf{That ONE angle equals 90}^\circ\large\textbf{ and the whole entire angle is}\\\large\textbf{360}^\circ.\)
\(\huge\textbf{Knowing that much information, we can}\\\\\huge\textbf{make the equation much easier to solve.}\\\\\\\huge\textbf{We will simplify the angle sides and it}\\\\\huge\textbf{should give you the answer behind the}\\\\\huge\textbf{the equal sign.}\)
\(\mathbf{360^\circ - 90^\circ = \boxed{\mathbf{the\ mystery\ number\ behind\ the\ equal\ sign}}}\)
\(\huge\textbf{Simplify it!}\)
\(\mathbf{the\ mystery\ number\ behind\ the\ equal\ sign = \boxed{\bf 270}}}}\)
\(\huge\textbf{New equation:}\)
\(\mathbf{5x + x = 270^\circ}\)
\(\huge\textbf{COMBINE the LIKE TERMS:}\)
\(\mathbf{(5x + x) = 270^\circ}\)
\(\mathbf{5x + x = 270^\circ}\)
\(\huge\textbf{Remember a variable by itself is}\\\\\huge\textbf{understood as an invisible 1.}\)
\(\huge\textbf{Anyway, back to answering the equation}\)
\(\mathbf{5x + x}\)
\(\mathbf{= 5x + 1x}\)
\(\mathbf{= 6x}\)
\(\huge\textbf{New equation:}\)
\(\mathbf{6x = 270^\circ}\)
\(\huge\textbf{DIVIDE 6 to BOTH SIDES:}\)
\(\mathbf{\dfrac{6x}{6}=\dfrac{270}{6}}\)
\(\huge\textbf{SIMPLIFY IT!}\)
\(\mathbf{x = \dfrac{270}{6}}\)
\(\mathbf{x = 45}\)
\(\huge\textbf{Answer:}\)
\(\huge\boxed{\mathsf{x = 45}}}\huge\checkmark\)
\(\huge\text{Good luck on your assignment \& enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)b) Obtain reduced cost matrix for travelling sales person problem. Consider the instance define by the cost matrix: [8M] 00 5 1 10 6 4 12 7 1 Pa 8 a 3 7 6 1 8نرا 4 16 9 3 8 a 16 12 7 6 00 *****
The reduced cost matrix for travelling salesperson problem in the given instance is shown below. The Travelling Salesperson Problem (TSP) is a classical combinatorial optimization issue that belongs to the category of NP-Hard problems.
This problem can be resolved using a branch and bound algorithm or by using dynamic programming.The reduced cost matrix for the given travelling salesperson problem instance The computation of the reduced cost matrix for travelling salesperson problem involves two steps: Identify the smallest element of each row and subtract the value from all the values in the row.
Identify the smallest element of each column and subtract the value from all the values in the column.In the given instance, the smallest element of each row is highlighted in bold. Therefore, after performing Step 1 the matrix becomes the matrix becomes Hence, the reduced cost matrix for the travelling salesperson problem is obtained.
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Which of the following statements are true of 12 and -12?
They are the same distance from zero.
They are a zero pair.
They are equivalent.
They are opposites.
Answer:
your answer would be A.
Step-by-step explanation:
They are the same distance from zero.
Answer:
They are the same distance from zero
zero pairs
and opposites
How do you evaluate (x+3)2 ?
Step-by-step explanation:
\(x = 1\)
\( \)
HOPE It Helps it;D
Answer:
2 • (x + 3)
Step-by-step explanation:
Given a right triangles with the sides a,b, and c where c is the side opposite the right angle. Find the missing side if a=10 and b=12. Round the answer to 2 decimal places if necessary.
Rounding to 2 decimal places, the missing side of the right triangle is approximately 15.62 units.
To find the missing side of a right triangle, we can use the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.
In this case, we are given sides a = 10 and b = 12, and we need to find the missing side c.
Using the Pythagorean theorem:
c^2 = a^2 + b^2
Substituting the given values:
c^2 = 10^2 + 12^2
c^2 = 100 + 144
c^2 = 244
Taking the square root of both sides to solve for c:
c = √244
c ≈ 15.62
Rounding to 2 decimal places, the missing side of the right triangle is approximately 15.62 units.
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Calculate the value of each expression. 3. −18/3
Answer:
Find the exact value using trigonometric identities.
−3
Step-by-step explanation: I do not know how you wanted it to be solved, I am just getting into this, sorry
Solve. x/4 + ½ = 1/8
x = ____ (Simplify your answer.)
Answer:
\( \frac{x}{4} + \frac{1}{2} = \frac{1}{8} \)
\( \frac{x}{4} = - \frac{3}{8} \)
\(x = - \frac{3}{2} = - 1 \frac{1}{2} \)
The solution to the equation x/4 + 1/2 = 1/8 is x = -3/2.
Consider the equation, we have only one x term, so taking all the terms without x to the other side and terms with x on one side.
x/4 + 1/2 = 1/8
Take the 1/2 term on the other side,
x/4=1/8 - 1/2
Taking the LCM on the Right side,
x/4 = (1-4) / 8
x/4 = -3/8
Now, we have x/4 so what we can do is, shift the 4 to the other side too, we get,
x = ( -3/8) * 4
x = -3/2
The solution to the equation x/4 + 1/2 = 1/8 is x = -3/2.
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A bank features a savings account that has an annual percentage rate of r=4.5r=4.5% with interest compounded semi-annually. Monique deposits $2,000 into the account.
The account balance can be modeled by the exponential formula S(t)=P(1+rn)ntS(t)=P(1+rn)nt, where SS is the future value, PP is the present value, rr is the annual percentage rate, nn is the number of times each year that the interest is compounded, and tt is the time in years.
(A) What values should be used for PP, r, and nn?
P=, r=, n=
(B) How much money will Monique have in the account in 9 years?
Answer = $ .
Round answer to the nearest penny.
(C) What is the annual percentage yield (APY) for the savings account? (The APY is the actual or effective annual percentage rate which includes all compounding in the year).
APY= %.
Round answer to 3 decimal places.
The required answers ar(a)P = $2,000,r = 4.5%,n = 2 (b)$ 2985.17, (c) 4.45%
How to find the future value and interest?(A) Using the given information, we can identify the following values:
P = $2,000 (the present value or initial deposit)
r = 4.5% (the annual percentage rate)
n = 2 (the number of times per year that interest is compounded, since it is compounded semi-annually)
(B) To find the future value of the account balance after 9 years, we can use the formula:
\(S(t) = P(1 + r/n)^{nt}\)
where t is the time in years. Substituting the given values:
\(S(9) = $2,000(1 + 0.045/2)^{2*9}= $2,000(1.0225)^{18}\)
= $2,000(1.505016)
= $2985.17
Therefore, Monique will have $$2985.17 in the account in 9 years.
(C) The annual percentage yield (APY) takes into account the effect of compounding on the effective interest rate. It is calculated as:
\(APY = (1 + \frac{r}{n})^n - 1\)
Substituting the given values:
\(APY = (1 + 0.045/2)^2 - 1\)
= 0.0445 or 4.45%
Therefore, the annual percentage yield for the savings account is 4.45% rounded to 3 decimal places.
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Light A flashes every 8 seconds.
Light B flashes every 20 seconds.
Both lights flash at the same time.
Work out how long it will take for both lights to flash at the same time
again.
Answer:
40 seconds
Step-by-step explanation:
8 20
16 40
32
40
40 seconds
It will take 40seconds to both the lights to flash at the same time again.
What is Least common multiple?" Least common multiple is defined as the smallest common multiple of the given set of numbers."
According to the question,
Given ,
Time to flash Light A is every 8 seconds.
Time to flash Light B is every 20 seconds.
Condition given
Both the lights flash at the same time
Least common multiple (8, 20) = 40seconds
Light A flashes in
8seconds , 16seconds , 24seconds , 32seconds, 40seconds
Light B flashes in
20seconds , 40seconds
Hence, both the light flashes at the same time again is at 40seconds.
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PLEASE HELP I WILL GIVE BRAINLIST!
What is the length of the square’s side?
Answer:
x = 6 / sqrt(2)
Step-by-step explanation:
We are given the diagonal of a square
The side length is x
Using the Pythagorean theorem
x^2 + x^2 = h^2 where h is the length of the hypotenuse which is 6
x^2+x^2 = 6^2
2x^2 = 36
x^2 = 18
Taking the square root of each side
sqrt(x^2) = sqrt(18)
x = 3 sqrt(2)
This can be rewritten as
x = 3 sqrt(2) * sqrt(2)
------------------------
sqrt(2)
x = 3*2
-------
sqrt(2)
x = 6 / sqrt(2)
If \(\frac{a+b}{3}=\frac{b+c}{6}=\frac{c+a}{5}\) then prove that: \(\frac{a+b+c}{a}=7\)
Answer:
\(\dfrac{a+b+c}{a} =7\)Step-by-step explanation:
Given :-
\(\dfrac{a+b}{3} =\dfrac{b+c}{6} =\dfrac{c+a}{5}\)And we need to prove that ,
\(\dfrac{a+b+c}{a} =7\)So let us assume that ,
\(\implies\dfrac{a+b}{3} =\dfrac{b+c}{6} =\dfrac{c+a}{5}=k\)
Where k is a constant . Now equate each of the three terms separately to k . Therefore we have ,
\(\dfrac{a+b}{3}=k\)
\(\implies a + b = 3k \quad \dots (i) \)
Similarly we can say that ,
\(\implies c + b = 6k \quad \dots (ii)\)
\(\implies a + c = 5k\quad \dots (iii) \)
Subtracting (i) and (ii) :-
\(\implies a - c = -3k \quad \dots (iv) \)
Adding (iv) and (iii) :-
\(\implies 2c = 4k \)
\(\implies \boxed{c = 4k }\)
Put this is (ii) :-
\(\implies b +4k = 6k \)
\(\implies \boxed{b= 2k }\)
Similarly we will get ,
\(\implies \boxed{a = k }\)
Proving the given equation :-
\(\implies \dfrac{a+b+c}{a} \\\\\implies \dfrac{k+2k+4k}{k} \\\\\implies \dfrac{7k}{k}=\boxed{\red{ 7}}\)
Hence proved !
What is the volume of a cylinder, in cubic ft, with a height of 9ft and a base diameter
of 16ft? Round to the nearest tenths place
Answer: 1809.6 ft³
Step-by-step explanation:
With sales tax, it costs $737 to buy a $670 crystal sculpture. What is the sales tax percentage? Group of answer choices 10% 0.8 15% 0.1
The sales tax percentage is 10%.
What is a percentage?
A percentage is a way of expressing a proportion or a fraction as a number out of 100. It is often denoted with the symbol % (percent).
To find the sales tax percentage, we need to first find the amount of sales tax paid.
The amount paid with sales tax is $737, and the original price of the sculpture is $670. So the amount of sales tax paid is:
$737 - $670 = $67
To find the sales tax percentage, we divide the sales tax amount by the original price of the sculpture and then multiply by 100 to convert to a percentage:
($67 / $670) x 100% = 10%
Therefore, the sales tax percentage is 10%.
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f Line m is shown graphed at the right with point A marked at (4, –1) (a) Write an equation for line m.
Answer:
You need to put an image of the graph for people to give you an answer.
Step-by-step explanation:
Tiffany makes a round pizza. She wants to put a cheese layer on the pizza. If the pizza has a diameter of 18 cm, how many square cm of cheese layer does she need to put on the pizza?
Answer:
\(A=254.46\ cm^2\)
Step-by-step explanation:
Given that,
The diameter of the pizza, d = 18 cm
We need to find the square cm of cheese layer does she need to put on the pizza.
We know that the area of the circle is given by :
\(A=\pi r^2\)
Where
r is the radius of the circle
Here, r = 9 cm
So,
\(A=\pi (9)^2\\\\A=254.46\ cm^2\)
So, the area of the pizza is \(254.46\ cm^2\).
Which of the following are solutions of the inequality below. Select all that apply.
Answer: h=55 and h=66 are the solutions to the inequality
What is the solution for the system equations shown in the graph
Answer:
(x,y)=(2,4)
Step-by-step explanation:
2. Ask one of your teachers how tall they are in feet/in. Write it here:
Now, covert their height into centimeters (cm).
feet
in.
1 ft = 12 in
1 in = 2.54 cm
My teacher:
- 5'3
- 5.25 ft
- 63 in
- 160 cm
A recipe instructs the cook to use 4 cups of water for each 3 cups of powder. If you used 10 cups of water, how much powder should be added?
Answer:
it would b 2 in half cups of powder
A baseball is hit from an initial height of 3 feet and reaches a maximum height of 403 feet. Which function could be used to model this situation, where h(t) is the height, in feet, after t seconds?
A. h(t) = -16(t - 403)^2 + 3
B. h(t) = -16(t - 5)^2 + 3
C. h(t) = -16(t - 3)^2 + 403
D. h(t) = -16(t - 5)^2 + 403
Answer:
I believe its A
Step-by-step explanation:
D. h(t) = -16(t - 5)² + 403 could be used to model this situation.
What are the given informations ?A baseball is hit from an initial height of 3 feet.
The baseball reaches a maximum height of 403 feet.
Here, h(t) indicates the height in feet after t seconds.
Which function is correct ?At the start, t = 0 & Initial height = 3 feet ,i.e. h(0) = 3
We have to verify options by putting t = 0
A. h(t) = -16(t - 403)² + 3
So, h(0) = -16(0-403)² + 3 = -16(-403)² +3 = -2598544+3 = -2598541
B. h(t) = -16(t - 5)² + 3
So, h(0) = -16(0-5)² + 3 = -16(-5)² + 3 = -400+3 = -397
C. h(t) = -16(t - 3)² + 403
So, h(0) = -16(0-3)² + 403 = -16(-3)² + 403 = -144 + 403 = -259
D. h(t) = -16(t - 5)² + 403
So, h(0) = -16(0-5)² + 403 = -16(-5)² + 403 = -400 + 403 = 3
Hence, in this function h(0) = 3 verified.
Therefore h(t) = -16(t - 5)² + 403 is the required function.
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Find where the graphs intersect; f(x)=2x+3 and g(x)=-0.5x+7
Step 1
Given
\(\begin{gathered} f(x)=\text{ 2x+3} \\ g(x)\text{ = -0.5x+7} \end{gathered}\)Required: To find where the graph of both functions intersect. In other words the find the value of x and hence f(x) and g(x).
Step 2
Solve both equations simultaneously.
\(\begin{gathered} we\text{ will take f(x) and g(x) = y, so that} \\ y=2x+3\text{ -----(1)} \\ y=-0.5x+7----(2) \\ \end{gathered}\)Subtract equation 2 from 1
Hence,
\(\begin{gathered} 4=\text{ 2.5x} \\ \frac{4}{2.5}=\frac{2.5x}{2.5} \\ x\text{ = 1.6} \end{gathered}\)Step 3
Check
\(\begin{gathered} f(x)\text{ = 2x+3} \\ f(1.6)=\text{ 2(1.6) + 3 = 6.2} \\ g(x)=\text{ -0.5x+7} \\ g(1.6)=\text{ -0.5(1.6) +7 = 6.2} \\ \text{since the check gave us the same values, x = 1.6} \\ \text{And the coordinate point of the solution will be ( 1.6, 6.2)} \end{gathered}\)Hence the graph intersects at the point where x = 1.6 and y =6.2. Remember y = f(x) and g(x)