Answers
Answer:
We first need to know the graph of the basic function belonging to the trigonometric family, which is sin x.
Now we need to apply basics of functions to get the graph of y = -sinx from y = sinx
If x is the input in the y = sinx , then sin x will be the output which will be represented on the y axis. Eg :
If x = pi/2
then output will be y = sin(pi/2) = 1
Hence in the graph of sinx, at x =pi/2 the value of y is 1.
Once we have understood this, we can use the same logic in the case
y = -sinx
If x = pi/2
then output will be y = - sin(pi/2) = -1
Here we can see that the output of y = - sin x will be the exact negative of of the output of y = sinx
Hence all portions of the graph of y = sinx in the +y axis will come down to the -y axis for y = -sin x, i.e we will be taking mirror image of the graph along the x axis. Below are the graphs of y=sinx and y= - sinx respectively for your reference:
(image courtesy Microsoft graphic calculator)
Related Questions
Your best friend is really struggling with their math class. You passed the same class last term with an A, so you’ve been helping them do practice problems and double-checking their homework. The professor has given them a take-home exam for their mid-term, and they want your help completing the exam. Is this an academic integrity violation? Why or why not? How would you handle this situation, and why would you handle it in that way?
Answers
Answer:
no
Step-by-step explanation:
you have done your part by helping in their study session,if you help them cheat you will suffer the consequences if he/she is caught,
This is an academic integrity violation because it is against honesty rules, the best would be to offer assistance to your friend.
Is this an academic integrity violation?Academic integrity encompasses principles of honesty, fairness, and trustworthiness in academic pursuits. It generally includes a commitment to originality and independent work. Assisting someone in completing an exam, especially a take-home exam, where individual effort and understanding are expected, would likely violate academic integrity policies.
Handling this situationHandling the situation ethically and responsibly would involve respecting the academic rules and ensuring fairness for all students. Instead of directly completing the exam for your friend, you can offer assistance by explaining concepts, providing guidance on problem-solving approaches, or reviewing their completed work to identify errors or areas for improvement. This way, you can help your friend learn the material and develop their own understanding, without compromising academic integrity.
Encourage your friend to seek additional help from their professor, teaching assistants, or tutoring services provided by the institution. They can also engage in group study sessions or form study groups with classmates, which promote collaborative learning while maintaining individual effort.
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Martin has written the first 50 terms of the sequence with nth term 150 -4n. Work out which term is the first negative term.
what is the answer to this help
Answers
The first negative term of the sequence is -2
How to find the terms of a sequence?The terms of the sequence which is the first negative term can be calculated as follows:
The sequence with nth term is 150 - 4n.
The first negative term will be the first term you will multiply by 4 that will be greater than 150.
Therefore,
nth term with first negative number = 150 - 4(38)
nth term with first negative number = 150 - 152
nth term with first negative number = -2
Therefore, the first negative term of the sequence is -2
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let A and B sets. when do we say set A is equal to set B
Answers
Step-by-step explanation:
It is said A=B I have drawn the Venn diagram of A=B
Suppose that $4000 is placed in a savings account at an annual rate of 6.4%, compounded quarterly. Assuming that no withdrawals are made, how long will it
take for the account to grow to $4916?
Do not round any intermediate computations, and round your answer to the nearest hundredth.
Answers
Answer:
3.25 years (nearest hundredth)
Step-by-step explanation:
Compound Interest Formula
[tex]\large \text{$ \sf A=P\left(1+\frac{r}{n}\right)^{nt} $}[/tex]
where:
A = final amountP = principal amountr = interest rate (in decimal form)n = number of times interest applied per time periodt = number of time periods elapsedGiven:
A = $4916P = $4000r = 6.4% = 0.064n = 4 (quarterly)Substitute the given values into the formula and solve for t:
[tex]\implies \sf 4916=4000\left(1+\frac{0.064}{4}\right)^{4t}[/tex]
[tex]\implies \sf 4916=4000\left(1.016\right)^{4t}[/tex]
[tex]\implies \sf \dfrac{4916}{4000}=\left(1.016\right)^{4t}[/tex]
[tex]\implies \sf \dfrac{1229}{1000}=\left(1.016\right)^{4t}[/tex]
[tex]\implies \sf \ln \left(\dfrac{1229}{1000}\right)=\ln \left(1.016\right)^{4t}[/tex]
[tex]\implies \sf \ln \left(\dfrac{1229}{1000}\right)=4t \ln \left(1.016\right)[/tex]
[tex]\implies \sf t=\dfrac{\ln \left(\frac{1229}{1000}\right)}{4\ln \left(1.016\right)}[/tex]
[tex]\implies \sf t=3.247594892...[/tex]
Therefore, it will take 3.25 years (nearest hundredth) for the account to grow to $4916.
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Which of the expressions below cannot be rewritten using the associative
property?
.
OA. 15 (410)
OB. (5+14) + 10
OC. 12 (17 ÷ 2)
OD. (12.9) •10
SUBMIT
Answers
Answer:
OA
Step-by-step explanation:
Can i get a solution for this?
Answers
the effects of the given transactions on the accounting equation are:
increase in assets and increase in equity.increase in assets and increase in liabilities.no change increase in assets and increase in equity.decrease in assets and decrease in liabilities. decrease in assets and decrease in equity. decrease in assets and decrease in equity. decrease in assets and decrease in equity. no change increase in assets and increase in liabilities. how is the accounting equation affected?an investment would increase assets (cash) and also increase equity. every expense such as salaries would decrease assets and equity.
incurring debt would increase assets and liabilties while paying off debt would decrease both asset (cash) and liabilities.
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You enter a room. 2 dogs, 4 horses, 1 giraffe, and a duck are lying on the bed. 3 chickens are flying over a chair.
How many legs are on the ground?
Answers
Answer:
36
Step-by-step explanation:
I think it’s a trick question because “legs” can also mean like chair legs that hold it up. Therefore:
2 dogs = 8 legs
4 horses = 16 legs
1 giraffe = 4 legs
And a bed: 4 legs(things that hold it up)
And a chair: 4 legs (things that hold it up)
This is assuming that the bed is a normal bed with stools holding it up
And the chair has 4 piles aswell as no missing legs in the animals… lol
solve which 2 digit number is one more than a square and one less than cube?
Answers
The 2-digit number is 26:
26 - 1 = 25 is a square number.
26 + 1 = 27 is a cube number.
How to find the number?
Here we want to find a 2-digit number N, such that:
N + 1 is a cube number.N - 1 is a square number.To do that, we can just create a list of cubic and square numbers of 2 digits, these are:
Square numbers:
4*4 = 16
5*5 = 25
6*6 = 36
etc...
Cube numbers:
3*3*3 = 27
4*4*4 = 64
etc...
Now, we can see that 25 is a square number and 27 is a cube number, then our 2-digit number can be 26.
Because:
26 - 1 = 25 is a square number.
26 + 1 = 27 is a cube number.
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Barbara worked on a straight 7% commission. Her friend worked on a salary of $600 plus a 5% commission. In a particular month, they both sold $21,600 worth of merchandise.
Step 1 of 2 : How much did Barbara earn for this month? Follow the problem-solving process and round your answer to the nearest cent, if necessary.
Answers
The amount Barbara earned this month is $1512.
How much did Barbara earn?
Percentage can be described as a fraction of an amount expressed as a number out of hundred.
Barbara's earnings = percentage commission x worth of goods sold
7% x 21,600
0.07 x 21,600 = $1512
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A bacteria culture starts with 1000 bacteria and the number doubles every 40 minutes. (a) find a formula for the number of bacteria at time (b) find the number of bacteria after one hour (c) after how many minutes will there be 50000 bacteria?
Answers
The formula for the number of bacteria at time t is 1000 x (2^t).
The number of bacteria after one hour is 2828
The number of minutes for there to be 50,000 bacteria is 324 minutes.
What is the number of bacteria after 1 hour?The exponential function that can be used to determine the number of bacteria with the passage of time is:
initial population x (rate of increase)^t
1000 x (2^t).
Population after 1 hour : 1000 x 2^(60/40) = 2828
Time when there would be 50,000 bacteria : In(FV / PV) / r
Where:
FV = future bacteria population = 50,000PV = present bacteria population = 1000r = rate of increase = 100%In (50,000 / 1000)
In 50 / 1 = 3.91 hours x 60 = 324 minutes
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You are playing an online game with your friend and they are on level 4. You are on level 6 and can beat, on average, 4 levels per hour. If your friend can beat 5 levels per hour, how many hours will it take for you and your friend to be on the same level? Think about how you would solve this question. Write at least two sentences about how you would attempt this problem. You can think about a new method of solving or use methods that you already have learned.
Answers
It would take 2 hours for me at level 6 to be on the same level with my friend which is initially at level 5.
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Let t represent the time it would take to be on the same level with your friends. I am at level 6 and my friend is on level 4, hence:
5t = 4t + 2
t = 2 hours
It would take 2 hours for me at level 6 to be on the same level with my friend which is initially at level 5.
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For a certain company, the cost for producing x items is 60x+300 and the revenue for selling x items is 100x−0.5x2 .
The profit that the company makes is how much it takes in (revenue) minus how much it spends (cost). In economic models, one typically assumes that a company wants to maximize its profit, or at least wants to make a profit!
Part a: Set up an expression for the profit from producing and selling x items. We assume that the company sells all of the items that it produces. (Hint: it is a quadratic polynomial.)
Part b: Find two values of x that will create a profit of $50 .
The field below accepts a list of numbers or formulas separated by semicolons (e.g. 2;4;6 or x+1;x−1 ). The order of the list does not matter. To enter a−−√ , type sqrt(a).
Answers
The equation for the profit from selling the items is P = 40x-0.5x²-300. The values of x are 10 and 70.
How to solve for the expressionWe have the cost function in this question to be
Cx = 60x+300
Revenue = 100x−0.5x²
A. The revenue function is stated as the revenue - cost
= (100x−0.5x²)-60x+300
We have to open the equation
40x-0.5x²-300
B. when profit is 50 dollars
50 = 40x-0.5x²-300
We have to multiply both sides by 10
500 = 400x - 5x² - 3000
We have to collect like terms and form a quadratic equation
5x² - 400x - 3500 = 0
We have to solve the quadratic equation above using a quadratic calculator.
Hence
x = 10, 70
So the two values that would create a profit of 50 dollars is 10 and 70.
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Evaluate the following.
Answers
Step-by-step explanation:
1) 3 + 4 = 7
2) 6 - 6 = 0
3) 1 + 3 = 4
4) 6 + 9 = 15
5) 10 - 14 + 2 = -2
6) 2 + 3 - 5 = 0
11.
An IV of D5W 1000 mL was ordered to infuse over 8 hr at a rate of 42 gtt/min (42 macrogtt/min). Drop
factor: 20 gtt/mL. After 4 hr, you notice that only 400 mL has infused.
Recalculate the rate in gtt/min for the remaining solution
Answers
The rate is 50gtt per minutes.
How to calculate the growth rate?From the information, out of the total hours of 8 hours, four hours were used.
The volume will be:
= 1000 - 400
= 600ml
Time = 4 × 60 = 240 minutes
Drop factor = 20
Therefore, the growth rate will be:
= 600/240 × 20
= 50gtt/min
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I need some help please
Answers
8 sin x cos3 x + 8 sin3 x cos x = ?
Answers
Answer:
Step-by-step explanation:
We use the known identity:
sin (A + B) sin A cos B + cos A sin B.
8 sin x cos 3x + 8 sin 3x cos x
= 8 (sin x cos 3x + sin 3x cos x)
= 8sin (x + 3x)
= 8 sin 4x
Identity :
sin (A + B) sin A cos B + cos A sin B
= 8 sin x cos 3x + 8 sin 3x cos x
= 8 (sin x cos 3x + sin 3x cos x)
= 8sin (x + 3x)
= 8 sin 4x
Help please quueens i need help
Answers
Answer:
x = 3
Step-by-step explanation:
We can use the following equation to solve for x:
[tex]315=9x-27+8x+24+5x-17+2x+23\\315=(9x+8x+5x+2x)+(-27+24-17+23)\\315=24x+3\\312=24x\\13=x[/tex]
A rectangle with base b and height h has an area of 235 square-inches. Express the perimeter of the rectangle as a function of its base
Answers
The perimeter of the rectangle as a function of its base is P = 2(b + 235/b)
What are perimeters?The perimeter of a shape is the sum of the side lengths of the shape For all regular quadrilaterals, you add up the side lengths to determine the area
How to express the perimeter of the rectangle as a function of its base?The given parameters are
Area = 235 sqare inches
The area of a rectangle is calculated using
Area = Base * Height
Note that the area of a shape is the amount of space on the shape
Recall that the area of a rectangle is calculated using
Area = Base * Height
Rewrite the above equation as
A = bh
So, we have
bh = 235
Make h the subject of the formula
h = 235/b
The perimeter of the rectangle is
P = 2(b + h)
So, we have
P = 2(b + 235/b)
Hence, the perimeter of the rectangle as a function of its base is P = 2(b + 235/b)
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Select all of the equations that represent linear relationships. 5 + 2y = 13 y = 7 y – 5 = 2(x – 1) = x + 7 x = –4
Answers
The equations that represent linear relationship is y – 5 = 2(x – 1)
What are linear functionsLinear functions are functions that has a leading degree of 1. According to the question, we need to determine the function that represents linear equation.
The required equation must have a degree of 1 and must contain both dependent and independent variables.
The equations that represent linear relationship is y – 5 = 2(x – 1)
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Answer:
The anser is:
A
C
D
E
Step-by-step explanation:
I hope this helps, have a blessed day :)
DEF and RST are complementary angles. If DEF is (3(-5 + 2x)) and RST is (x - 7), what is the measure of DEF?
Answers
From the given information, the measure of DEF is 81°
Calculating the measure of anglesFrom the question, we are to determine the measure of DEF
From the given information,
DEF and RST are complementary angles. This means they sum up to 90°
Thus,
(3(-5 + 2x)) + (x - 7) = 90
(3(-5 + 2x)) + (x - 7) = 90
(-15 + 6x) + (x - 7 ) = 90
-15 + 6x + x - 7 = 90
6x + x = 90 + 15 + 7
7x = 112
x = 112/7
x = 16
Then, substitute the value of x to determine the measure of DEF
(3(-5 + 2x))
= (3(-5 + 2(16)))
= (3(-5 + 32))
= (3(27))
= 81°
Hence, the measure of DEF is 81°
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Find the surface of the cube with length of a side
Answers
Answer: 319.74 square mm
Step-by-step explanation:
[tex]6(7.3)^2=319.74[/tex]
Write "six times x minus 3" as an expression.
Answers
Answer:
6x-18
Step-by-step explanation:
6*(x-3)
multiply 6 with x and 3
A garden table and a bench cost $700 combined. The garden table costs $50 less than the bench. What is the cost of the bench?
Answers
Cost of bench = x
Cost of garden table = x - 50
x - 50 + x = 700
2x - 50 = 700
2x = 750
x = 325
5 pts Which side would create a right triangle if the first two sides have lengths 7 and 123 5 pts Which side would create a right triangle if the first two sides have lengths 7 and sq rt 123
Answers
Answer:
sqrt(172) = hypotenuse
Step-by-step explanation:
IF those are the leg lengths (sides) and not the hypotenuse, then use Pythagorean theorem
c^2 = 7^2 + sqrt (123) ^2
c = sqrt (172)
If sqrt 172 is the hypotenuse :
(sqrt123)^2 = 7^2 + x^2
then x = sqrt (74 )
Solve for x. Enter the solutions from least to greatest.
Round to two decimal places.
(x + 8)^2 - 7 = 0
asap will give brainliest
Answers
The value of x according to the equation in the task content is; -5.35 or -10.65.
What is the value of x in the equation?The equation given in the task content is; (x + 8)² -7 = 0.
Hence, the equation can be solved as follows;
(x + 8)² - 7 = 0
x² + 16x +64 -7 = 0
x²+ 16x +57 = 0
By solving by means of the quadratic formula, we have;
x = -5.35
x = -10.65
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Giving brainliest :)
Answers
The system of equation that will represent her purchase is as follows:
1.39b + 2.49m = 50.73
1.29b + 2.69m = 51.63
How to represent system of equation?At store A she will pay a total sum of $50.73 for bread and milk.
At store B she will pay a total sum of $51.63 for bread and milk.
Therefore, the system of equation that will represent her purchase is as follows:
where
b = number of bread
m = number of milk
Therefore,
1.39b + 2.49m = 50.73
1.29b + 2.69m = 51.63
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2011?
7. Maria, a sales representative for a large consumer goods company, is paid 3% of the total profits earned by her company.
Her company averages 10% profit on sales. If Maria's total income for the year was $60,000, what total sales did her
company realize?
Answers
Step-by-step explanation:
60000÷ 10 = 600 and 600 ÷ 3 =20
The total sales realized by the company was $20,000,000.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Let x be the total sales realized by the company.
Maria's pay is 3% of the total profits, which is 3% of 10% of total sales
0.03(0.1x) = 0.003x.
Her total income is given as $60,000, so we have:
0.003x = 60000
Solving for x:
x = 60000/0.003 = 20,000,000
Therefore, the total sales realized by the company was $20,000,000.
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x is increased by 50% and decreased by 30%. What is the result?
Answers
Answer:
its the same as increasing x by 5 percent
Answer:
1.05x is the answer
Step-by-step explanation:
Which of the following best represents the altitude, h, of the triangle shown? (5 pts.) A. tan 75° B. 11.5 sin 75° C. D. 23 cos 75° 23 sin 75° M21 R 23* 759
Answers
The height of a triangle with a hypotenuse of 23 and angle between base and hypotenuse of 75° is h= 23sin(75)
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
Trigonometric ratio shows the relationship between the sides and angles of a right angle triangle.
Let us assume that the right triangle has a altitude h, hypotenuse of 23 and angle between base and hypotenuse is 75°, hence:
sin(75) = h/23
h= 23sin(75)
The height of a triangle with a hypotenuse of 23 and angle between base and hypotenuse of 75° is h= 23sin(75)
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Which ordered pairs make both inequalities true? Check all that apply.
Answers
We can actually deduce here that the ordered pairs that make both inequalities true are:
(1,1)(2, 2)What is inequality?An inequality is known to be an expression that shows that certain variables or values are not equal to each other. It is usually seen in an inequality expression as:
> (greater than)< (less than)≥ (greater than or equal to) ≤ (less than or equal to).We see the attached image that shows the graph of inequality and which completes the question.
The options that complete the question are:
A. –2, 2
B. (0, 0)
C. (1,1)
D. (1, 3)
E. (2, 2)
When we insert the values of each axes into the inequality expressions given, we will discover that the ordered pairs that the inequalities true is (1,1) and (2, 2).
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