Answers
Answer:
f(x)= - (x+4)/5
Step-by-step explanation:
sorry, i don't have time to explain..
ANSWER:
f-1(x)= –x/5 – 4/5
If this helped, please mark brainliest:)
Related Questions
find the net change in the value of the function between the given inputs. f(x) = 6x − 5; from 1 to 6
Answers
The net change in the value of the function between x = 1 and x = 6 is 30.
To find the net change in the value of the function between the inputs of 1 and 6, we need to find the difference between the output values of the function at x = 1 and x = 6, and then take the absolute value of that difference.
First, we can find the output value of the function at x = 1:
f(1) = 6(1) - 5 = 1
Next, we can find the output value of the function at x = 6:
f(6) = 6(6) - 5 = 31
The net change in the value of the function between x = 1 and x = 6 is the absolute value of the difference between these two output values:
|f(6) - f(1)| = |31 - 1| = 30
Therefore, the net change in the value of the function between x = 1 and x = 6 is 30.
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Express 25 centigrams in grams.
Answers
Answer:
0.25g
Step-by-step explanation:
To convert contigrams to grams, you divide the centigram mass value by 100
25/100
= 0.25g
25/100=.25
We would like to estimate the proportion of uf students who owns a scooter to within 1% of the truth, with 95% confidence. We believe around 20% of students do. How many students should be sampled?.
Answers
We can estimate that (A) 3458 students should be sampled using proportions.
What are proportions?A proportion is an equation that sets two ratios at the same value. For instance, if there is 1 boy and 3 girls, you may express the ratio as 1: 3 (there are 3 girls for every boy), meaning that there are 1 in 4 boys and 3 in 4 girls.So, we have the following confidence interval of proportions for a sample of n people who were surveyed with a probability of success of π and a level of confidence of.
π ± z√[π(1-π)/n]Where the z-score with a p-value of x is designated as 1+a/2.
The margin of error:
M = z√[π(1-π)/n]So, with respect to M = 0.01, the sample size is n.
Now solve:
M = z√[π(1-π)/n]0.01 = 1.96√[0.01(0.09)/n]0.01√n = 1.96√0.01(0.09)√n = [1.96√0.1(0.9)]/0.01(√n)² = ([1.96√0.1(0.9)]/0.01)²n = 3457.4Rounding off: 3458
Therefore, we can estimate that (A) 3458 students should be sampled using proportions.
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The complete question is given below:
We would like to estimate the proportion of UF students who own a scooter to within 1% of the truth, with 95% confidence. We believe around 10% of students do. How many students should be sampled? Group of answer choices
A. 3458
B. 34575
C. 38416
D. 3842
1) Lena's garden is a square with sides of length x meters. Next spring, she plans to make it rectangular by lengthening one side 5 meters and shortening the other side by 5 meters. a) What algebraic expression represents the new area? b) By how much will the area of the new garden differ from that of the old garden
Answers
Answer:
a) Algebraic expression for new area = (x + 5)(x - 5 )
b) New area will be 25 square meters less than old area
Step-by-step explanation:
Lena' s square garden with side x has area x times x or x² square meters
If one side is lengthened by 5 meters that side becomes x + 5 meters
If the other side is shortened by 5 meters that side becomes x - 5 meters
New area = (x + 5)(x - 5 )
Using the identity(a + b)(a - b) = a² - b² we get
(x + 5)(x - 5 ) =x² - 5²
= x² - 25
Area difference square - rectangle =
x² - (x² - 25) = x² - x² + 25
= 25
So the area will decrease by 25 square meters
A researcher is interested in examining whether students who distribute practice over a number of short study sessions differ in their test performance from students who mass practice over a single long session. Her prediction that students who distribute practice will perform better than students who mass practice is the a. Research hypothesis b. Experimental hypothesis c. Null hypothesis d. Alternative hypothesis
Answers
In the test made, her prediction that students who distribute practice will perform better than students who mass practice is the alternative hypothesis, option d.
At the null hypothesis, we test if the predictions is false, that is, that students who distribute practice will not perform better than students who mass practice.
At the alternative hypothesis, it is where we test if there is enough evidence to conclude if the prediction is right, that is, if students who distribute practice will perform better than students who mass practice, hence, option d is correct.
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a) estimate the area under the graph of f(x) = 5 cos(x) from x = 0 to x = /2 using four approximating rectangles and right endpoints. (round your answers to four decimal places.)
Answers
The estimated area under the graph of f(x) = 5 cos(x) from x = 0 to x = π/2 using four approximating rectangles and right endpoints is approximately 0.8916.
To estimate the area under the graph of f(x) = 5 cos(x) from x = 0 to x = π/2 using four approximating rectangles and right endpoints, we can use the right Riemann sum method.
The width of each rectangle, Δx, is given by the interval width divided by the number of rectangles.
In this case, Δx = (π/2 - 0)/4 = π/8.
To calculate the right endpoint values, we evaluate f(x) at the right endpoint of each rectangle.
For the first rectangle, the right endpoint is x = π/8.
For the second rectangle, the right endpoint is x = π/4.
For the third rectangle, the right endpoint is x = 3π/8.
And for the fourth rectangle, the right endpoint is x = π/2.
Now, let's calculate the area for each rectangle by multiplying the width (Δx) by the corresponding height (f(x)):
Rectangle 1: Area = f(π/8) * Δx = 5cos(π/8) * π/8
Rectangle 2: Area = f(π/4) * Δx = 5cos(π/4) * π/8
Rectangle 3: Area = f(3π/8) * Δx = 5cos(3π/8) * π/8
Rectangle 4: Area = f(π/2) * Δx = 5cos(π/2) * π/8
Now, let's calculate the values:
Rectangle 1: Area = 5cos(π/8) * π/8 ≈ 0.2887
Rectangle 2: Area = 5cos(π/4) * π/8 ≈ 0.3142
Rectangle 3: Area = 5cos(3π/8) * π/8 ≈ 0.2887
Rectangle 4: Area = 5cos(π/2) * π/8 ≈ 0
Finally, to estimate the total area, we sum up the areas of all four rectangles:
Total Area ≈ 0.2887 + 0.3142 + 0.2887 + 0 ≈ 0.8916
Therefore, the estimated area under the graph of f(x) = 5 cos(x) from x = 0 to x = π/2 using four approximating rectangles and right endpoints is approximately 0.8916.
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You have $120. You spend 75% of your money. How much did u spend?
Answers
Answer:
$90
Step-by-step explanation:
$120 x .75 = $90
(5-√x)² = y-20√2
Solve for x and y.
Answers
Answer:
33
Step-by-step explanation:
(
5
−
√
x
)
2
=
5
2
−
(
2
×
5
×
√
x
)
+
x
=
25
−
10
√
x
+
x
=
(
x
+
25
)
−
10
√
x
In order to eliminate the irrational
−
20
√
2
term with
x
and
y
being integers, we must have:
−
10
√
x
=
−
20
√
2
Divide both sides by
−
10
to get:
√
x
=
2
√
2
So
x
=
(
2
√
2
)
2
=
8
y
=
x
+
25
=
8
+
25
=
33
Can someone please come up with a math movie title? Something related to distributive property
Answers
Answer:
Distribute or Die part 2: Attack of the PEMDAS!
find the equation of P(0,4) Q(2,0)
Answers
Answer:
y = -2x + 4
Step-by-step explanation:
y / 4 = x - 2 / -2
-2y = 4(x - 2)
-y = 2(x - 2)
-y = 2x - 4
y = -2x + 4
»(y + 0)/4 = (x - 2)/(0 - 2)
»y/4 = (x - 2)/(-2)
»-2y = 4(x - 2)
»-2y = 4x - 8
»y = -4x - 8/(-2)
»y = -2x + 4✅
Solve for x.
5x - 6 = 4x + 8
Answers
Answer:
x = 14
Step-by-step explanation:
5x - 6 = 4x + 8
+6 +6
5x = 4x + 14
-4x -4x
x = 14
Answer:
5x-6=4x+8
5x=4x+8+6
5x=4x+14
x=14
I hope this is good enough:
Jose has 200 baseball cards. He has the Topps brand which he paid $1.50 each, Upper Deck Company brand which he paid $5.75 each, and Panini Group brand which he paid $2.60 each. He has 20 fewer Upper Deck Company brand than Panini Group brand. The total amount he spent was $589.50. How many of each brand of baseball cards does he have?
Answers
Answer:
Jose has 70 Panini, 50 Upper Deck, and 80 Topps cards.
Step-by-step explanation:
Given that Jose has 200 baseball cards, and he has the Topps brand which I have paid $ 1.50 each, Upper Deck Company brand which I have paid $ 5.75 each, and Panini Group brand which I have paid $ 2.60 each, and he has 20 fewer Upper Deck Company brand than Panini Group brand, and the total amount he spent was $ 589.50, to determine how many of each brand of baseball cards does he have, the following calculation must be performed:
100 Panini + 80 Upper Deck + 20 Topps = X
100 x 2.6 + 80 x 5.75 + 20 x 20 x 1.5 = X
260 + 460 + 30 = X
X = 750
80 Panini + 60 Upper Deck + 60 Topps = X
80 x 2.6 + 60 x 5.75 + 60 x 1.5 = X
208 + 345 + 90 = X
X = 643
60 Panini + 40 Upper Deck + 100 Topps = X
60 x 2.6 + 40 x 5.75 + 100 x 1.5 = X
156 + 230 + 150 = X
X = 536
70 Panini + 50 Upper Deck + 80 Topps = X
70 x 2.6 + 50 x 5.75 + 80 x 1.5 = X
182 + 287.5 + 120 = X
X = 589.5
Therefore, Jose has 70 Panini, 50 Upper Deck, and 80 Topps cards.
Molly receives $3,700 from an investment at the beginning of every month for 2 years at 3.62% compounded semi-annually. What type of annuity is this? Q2) Jeffrey deposits $450 at the end of every quarter for 4 years and 6 months in a retirement fund at 5.30% compounded semi-annually. What type of annuity is this? Q3) How much should Shawn have in a savings account that is earning 3.75%compounded quarterly, if he plans to withdraw $2,250 from this account at the end of every quarter for 7 years? Q4) Vanessa purchases a retirement annuity that will pay her $1,000 at the end of every six months for the first nine years and $600 at the end of every month for the next five years. The annuity earns interest at a rate of 5.7%compounded quarterly. What was the purchase price of the annuity? Q5) What is the accumulated value of periodic deposits of $5,500 made into an investment fund at the beginning of every quarter, for 5 years, if the interest rate is 3.25% compounded quarterly?
Answers
The types of annuities mentioned in the given questions are ordinary annuities, and to find the answers, various formulas related to annuities, such as future value and present value formulas, need to be utilized.
Q1) The investment that Molly receives $3,700 from at the beginning of every month for 2 years at 3.62% compounded semi-annually is an ordinary annuity. This is because she is receiving regular payments at the beginning of each month for a fixed period of time.
Q2) The deposits that Jeffrey makes at the end of every quarter for 4 years and 6 months in a retirement fund at 5.30% compounded semi-annually is also an ordinary annuity. He is making regular payments at the end of each quarter for a fixed period of time.
Q3) To determine how much Shawn should have in a savings account that is earning 3.75% compounded quarterly, given that he plans to withdraw $2,250 from this account at the end of every quarter for 7 years, we need to use the formula for the future value of an annuity. The future value of an annuity formula is given by:
FV = P * ((1 + r/n)^(n*t) - 1) / (r/n)
where FV is the future value, P is the periodic payment, r is the interest rate, n is the number of compounding periods per year, and t is the number of years. Plugging in the values, we can calculate the future value Shawn should have in the savings account.
Q4) To determine the purchase price of the retirement annuity that Vanessa has, we need to calculate the present value of the annuity. The present value of an annuity formula is given by:
PV = P * ((1 - (1 + r/n)^(-n*t)) / (r/n))
where PV is the present value, P is the periodic payment, r is the interest rate, n is the number of compounding periods per year, and t is the number of years.
By calculating the present value of both the payments of $1,000 at the end of every six months for the first nine years and $600 at the end of every month for the next five years, we can find the purchase price of the annuity.
Q5) To calculate the accumulated value of periodic deposits of $5,500 made into an investment fund at the beginning of every quarter for 5 years, with an interest rate of 3.25% compounded quarterly, we can use the future value of an annuity formula.
By plugging in the appropriate values into the formula, we can determine the accumulated value of the periodic deposits.
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Write this from least to greatest:
0.2, 1/4, 1/12, 22%
Answers
1/12
0.2
22%
1/4
Answer:
1/12, 0.2, 22%, 1/4
Step-by-step explanation:
1/12 = 0.083333
1/4 = 0.25
22% = 0.22
0.2
So: 1/12, 0.2, 22%, 1/4
Give your views on how the law, the citizens and the community are victims of can support and protect human rights violations.
Answers
Human rights violations can have far-reaching impacts on various aspects of society, including the law, citizens, and the community.
How we can get support and protect human rights through law citizen and community ?
Let's discuss how each of these entities can be victims of human rights violations and what can be done to support and protect them:
The Law:
Human rights violations undermine the very foundations of the legal system. When the law fails to protect individuals' fundamental rights, it loses its credibility and effectiveness. Human rights violations can occur through oppressive legislation, biased judicial processes, or the misuse of power by law enforcement agencies.
To support and protect the law, it is crucial to have an independent and impartial judiciary that upholds human rights principles. Legal reforms should be undertaken to ensure that domestic laws align with international human rights standards. Strengthening accountability mechanisms within the legal system and providing adequate training for legal professionals can also help prevent and address human rights violations effectively.
Citizens:
Human rights violations directly affect individuals and communities, depriving them of their dignity, freedom, and equality. These violations can take various forms, such as torture, arbitrary detention, discrimination, censorship, and infringements on privacy.
To support and protect citizens, it is vital to raise awareness about human rights and empower individuals to assert their rights. This can be achieved through education, public campaigns, and accessible legal aid services. Civil society organizations play a crucial role in advocating for human rights, providing support to victims, and monitoring violations. Governments should create an enabling environment for these organizations to operate freely and engage in dialogue with affected communities.
The Community:
Human rights violations have a profound impact on the community as a whole. They create an atmosphere of fear, distrust, and social division. Communities affected by human rights violations may experience trauma, displacement, economic instability, and a breakdown of social cohesion.
Supporting and protecting the community involves fostering an inclusive and participatory environment where all voices are heard. Engaging in dialogue and reconciliation processes can help heal the wounds caused by human rights violations. Community-led initiatives, such as truth and reconciliation commissions, can provide a platform for victims to share their experiences and seek justice. Investment in social and economic development, along with efforts to address systemic inequalities, can also contribute to creating resilient communities.
Overall, addressing human rights violations requires a comprehensive approach involving legal reforms, awareness-raising, accountability, and community engagement. By supporting and protecting the law, citizens, and the community, we can strive towards a more just and rights-respecting society.
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9-2*x=35
A. -13
B. -22
C. 48
Answers
Answer:
x= -13 (a)
Step-by-step explanation:
-2x=35-9
-2x=26
x=-13
hope this helps x.
Answer:
-13
Step-by-step explanation:
9-2/x=35
9-2/x=35
-2/x=35-9
-2/x=26
-2=26x
26x=-2
x=-1/13
A fair spinner has 11 equal sections: 4 red, 3 blue and 4 green. It is spun twice. What is the probability of getting not green then green?
Answers
Answer: 7/11 probability it doesn’t land on green
Rami sold concessions during a concert. He sold bottled water for $3.50 each and bags of trail mix for $4 each. By the end of the evening, Rami sold 400 items for a total of $1,475. How many bottles of water and how many bags of trail mix did Rami sell?
125 bottles and 275 bags of trail mix
150 bottles and 250 bags of trail mix
250 bottles and 150 bags of trail mix
275 bottles and 125 bags of trail mix
please give a step by step explanation!!
Answers
Answer:
250 bottles and 150 bags of trail mix.
Step-by-step explanation:
You multiply 250 times 3.5 and get 875. Then you multiply 150 times 4 and get 600. Then add 875 plus 600 and get 1475.
Answer:
250 bottles and 150 bags
a tank contains 20 gallons of water, the tap is opened and more water is allowed in the tank at 5 gallsons per min for 20 min calculate the amount of what inside the tank after 20 min
Answers
Work Shown:
x = number of minutes
5x = amount of water added
5x+20 = total amount of water
Plug in x = 20 to find that:
5x+20 = 5*20+20 = 120 gallons of water is in the tank after 20 minutes.
Jasmine has 18 model horses. She
places the model horses equally on
3 shelves. How many model horses
are on each shelf?
Answers
Number of model horses on each shelf = 18/3
=6
Hope this helps you.
Answer:
6 model horses on each shelf.
Explanation:
number of horses on each shelf = total horse ÷ total shelves
Here given:
total horses: 18total shelves: 3On each shelf, horses:
18 ÷ 36 horsesFind the values of the trigonometric functions of t from the given information. tan(t) = -12/5 , sin(t) > 0 ,sin(t),cos(t),csc(t),sec(t),cot(t).
Find the radius r of the circle if an arc of length 20 m on the circle subtends a central angle of 5
π
/7 rad. (Round your answer to two decimal places.)
Answers
The values of the trigonometric functions of t are Sin(t)=0.2, Cos(t) = -5/12, Csc(t) = 5,Sec(t) = -12/5, Cot(t) = -5/12 and the radius r of the circle if an arc of length 20 m on the circle subtends a central angle of 5π/7 rad is 8.86 m
To find the values of the trigonometric functions of t, the tan(t) value was used to calculate the sin(t) value by using the relationship sin²(t) + cos²(t) = 1. The other trigonometric functions were calculated by using the relationship among the trigonometric functions.
Sin(t) = √(1 - (tan(t))^2) = √(1 - (-12/5)^2) = √(1 - 144/25) = √(25/25 - 144/25) = √(1/25) = 0.2
Csc(t)= 1/0.2= 5
The radius of the circle was then determined by using the arc length and the angle subtended at the center. The arc length was divided by the subtended angle to find the radius. The result was rounded off to two decimal places.
Radius r = (20m)/(5π/7) = (20m*7)/(5π) = 28/π = 8.86 m
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4 1/7 divided by 2/3
Answers
Exact Form: 87/14
Decimal Form: 6.21428571... or 6.21
Answer: 6.21
Step-by-step explanation:
80085
At 7 pm the temperature was 40 degrees f. If the temperature dropped steadily at a rate of 6 degrees per hour, what was the temperature at midnight?
Answers
Answer:
10 degrees
Step-by-step explanation:
12-7=5 hours
40-(6X5)=10 degrees
Of three dice, two are labeled normally: 1, 2, 3, 4, 5 , and 6. The third die has sides labeled 2,4,6,8,10, and 12. Two dice are rolled and their values are added. Find the ratio of the frequency of primes rolled using the first two ( ordinary) dice to the frequency of primes rolled using the unusual die and one ordinary die .
Answers
The ratio of the frequency of a prime rolled using the first two (ordinary)dice to the frequency of a prime rolled using the unusual die and one ordinary die is
\(\frac{15}{13}\)The Cases and there Probable ResultsThere are a total of 36 equally probable ways the dice can fall
In the first case, primes are achieved for the following results:
2 (one way possible), 3 (two ways possible), 5 (4 ways possible), 7 (six ways possible), and 11 (2 ways possible.So primes are achieved in a total of 15 ways.
In the second case, the prime possibilities are
3 (one way possible), 5 (two ways), 7 (3 ways), 11 (3 ways), 13 (3 ways), and 17 (just one way).The total is 13 ways.
How to calculate the ratio of the frequencyTherefore
How to calculate the ratio of the frequency is Mathematically given as
Frequency ratio is \(\frac{15}{13}\)
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What is the equation of the line that passes through (4, -1) and (-2, 3)?
Answers
Answer:
3--1/-2-4=4/-6=2/-3
y=-2/3x+b
-2*-2/3=4/3
3-4/3=5/3
y=-2/3x+5/3
Step-by-step explanation:
Answer:
\(\displaystyle y=-\frac{2}{3}x+\frac{5}{3}\)
Step-by-step explanation:
We want to find the equation of the line that passes through the two points:
(4, -1) and (-2, 3).
First, we will find the slope of the two points. So:
\(\displaystyle m=\frac{3-(-1)}{-2-4}=\frac{4}{-6}=-\frac{2}{3}\)
Now, we will use the point-slope form given by:
\(y-y_1=m(x-x_1)\)
Use either point. I'm going to use (4, -1). So, substitute:
\(\displaystyle y-(-1)=-\frac{2}{3}(x-(4))\)
Simplify and distribute:
\(\displaystyle y+1=-\frac{2}{3}x+\frac{8}{3}\)
Subtract 1 from both sides. Therefore:
\(\displaystyle y=-\frac{2}{3}x+\frac{5}{3}\)
Find the equation of the line perpendicular to the line y x = −3x + 6 and passing through the point ( -2, 8). Show full working out
Answers
Step-by-step explanation:
The equation of the line perpendicular to the line y = -3x + 6 and passing through the point (-2,8) is y = (1/3)x + (10/3).
multi step equation -3x-2=-1
Answers
x = -1/3
Explanation:
-3x-2=-1
collect like terms by adding +2 to both sides:
-3x -2 + 2 = -1 + 2
-3x = 1
Divide both sides by the coefficient of x:
coefficient of x = -3
-3x/-3 = 1/-3
x = -1/3
Find the lowest common denominator (multiple). Type the equivalent fractions. Then, add or subtract. Simplify your answer. 1
2
1
3
Answers
Answer:what
Step-by-step explanation:what does this mean
A random sample of 100 customers at a local ice cream shop were asked what their favorite topping was. The following data was collected from the customers.
Topping Sprinkles Nuts Hot Fudge Chocolate Chips
Number of Customers 17 12 27 44
Which of the following graphs correctly displays the data?
a bar graph titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled sprinkles going to a value of 17, the second bar labeled nuts going to a value of 12, the third bar labeled hot fudge going to a value of 27, and the fourth bar labeled chocolate chips going to a value of 44
a bar graph titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled nuts going to a value of 17, the second bar labeled sprinkles going to a value of 12, the third bar labeled chocolate chips going to a value of 27, and the fourth bar labeled hot fudge going to a value of 44
a histogram titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled sprinkles going to a value of 17, the second bar labeled nuts going to a value of 12, the third bar labeled hot fudge going to a value of 27 ,and the fourth bar labeled chocolate chips going to a value of 44
a histogram titled favorite topping with the x axis labeled topping and the y axis labeled number of customers, with the first bar labeled nuts going to a value of 17, the second bar labeled sprinkles going to a value of 12, the third bar labeled chocolate chips going to a value of 27, and the fourth bar labeled hot fudge going to a value of 44
Answers
Answer:
its c
Step-by-step explanation:
can someone give me the answer and please explain this to me because i really don't understand what this means at all, I need someone to help me with this because i'm going to be asking multiple of these questions. So if u have friends or family who know this answer then please tell/ask them these questions so they can help understand fractions. Not asking in a mean way i am just really cuious because i never learned how to do this so just let your family / or friends know what these answers are to all of the questions that i am going to ask about fractions because these are really hard for me!
Answers
Step-by-step explanation:
the one is the middle top the one in the middle bottom and the one in the bottom right