Answer:
[tex] \frac{ {tan}^{2} x}{2} + \ln( |cos \: x| ) + C[/tex]
Step-by-step explanation:
[tex] \int {tan}^{3} x \: dx[/tex]
[tex]\int \: tan \: x \times {tan}^{2} x \: dx[/tex]
[tex]\int \: tan \: x( {sec}^{2} x - 1) \: dx[/tex]
distribute
[tex]\int \: tan \: x \: {sec}^{2} x - tan \: x \: dx[/tex]
[tex]\int \: tan \: x \: {sec}^{2} x \: dx \: - \int \: tan \: x \: dx[/tex]
[tex]\int \: tan \: x \: {sec}^{2} x \: dx \: - \int \frac{sin \: x}{cos \: x} \: dx[/tex]
First integrand
let tan x = u
du = sec²x dx
Second integrand
let cos x = z
dz = -sin x dx
[tex] = \int u \: du \: - \int - \frac{1}{z} dz[/tex]
[tex] = \frac{ {u}^{2} }{2} + \ln( |z| ) + C[/tex]
[tex] = \color{red}{ \boxed{ \frac{ {tan}^{2} x}{2} + \ln( |cos \: x| ) + C}}[/tex]
The distance between 4 and 17 is _____
Answer:
The answer is 13
Step-by-step explanation:
The distance between 4 and 17 is 13 because addition
The distance between 4 and 17 is 13 units.
What is an expression?Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
It is given that the two numbers are 4 and 17.
The distance between 4 and 17 is calculated as below:-
To calculate the distance subtract the value 4 from the value 17.
Distance = 17 - 4 = 13 units.
Therefore, the distance between 4 and 17 is 13 units.
To know more about Expression follow
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Ao cobrar uma falta em um jogo de futebol, uma jogador imprime à bola a uma velocidade de 43,2 km/h. Sabendo que a bola gasta 3 s até atingir as redes, determine a distância percorrida? A)16m B)36m C) 30m D)12m E) 24m
Answer:
B
Step-by-step explanation:
Nesta questão, estamos interessados em calcular a distância percorrida se um jogador correr a uma velocidade de 43,2 km / h por 3 segundos.
Matematicamente; a distância percorrida = velocidade * tempo
O problema que temos aqui é que nossas unidades não são consistentes.
A melhor maneira de fazer isso é ter unidades consistentes em metros por segundos e segundos, pois nossa resposta está em metros.
Portanto, a conversão que precisamos fazer aqui é converter 43,2 km / h em metros por segundo Matematicamente, sabemos que existem 1000 m em um quilômetro.
Da mesma forma, uma vez que 60 segundos fazem um minuto e 60 minutos fazem uma hora, o número de segundos em uma hora é 60 * 60 = 3.600 segundos
Assim, convertendo 43,2 km / h em m / s, temos; (43,2 * 1000) / 3600 = 12 m / s
Portanto, a distância percorrida em metros seria agora; velocidade em m / s * tempo em segundos = 12 m / s * 3 segundos = 36 m
If f(a) = 2a², find f(3)
Answer:
f(3) = 18
Step-by-step explanation:
f(a) = 2a²,
Let a = 3
f(3)= 2 * 3^2
= 2 * 9
= 18
Pls don't delete just answer the ones u know pls hwlp pls
Answer:
1. 1 + 1 x 4 ÷ 1 = 8
Hope this helps.
A price increases from $50 to $120. What is the percentage change?
Answer: 140%
Step-by-step explanation:
From the question, we are informed that price increases from $50 to $120. The percentage change will be:
= (New price - Old price)/Old price × 100
= (120 - 50)/50 × 100
= 70/50 × 100
= 1.4 × 100
= 140%
What is the relationship between centimeters and inches?
Answer:
What do you mean like the the ratio of cm to inches?
Step-by-step explanation:
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Ship A and Ship B are 120 km apart when they pick up a distress call from another boat. Ship B estimates that they are 70 km away from the distress call. They also notice that the angle between the line from ship B to ship A and the line from ship A to the distress call is 28°. What are the two possible distances, to the nearest TENTH of a km, from ship A to the boat?
Answer:
147.5 km and 64.4 km
Step-by-step explanation:
a=120 km
b=70 km
β=28 degrees ( ∘)
b^2=(a^2)+(c^2)−2ac*cosβ
70^2 =(120^2 )+(c^2)−2⋅ 120⋅ c⋅ cos(28∘ )
(c^2 ) −211.907c+9500=0
note p, q, and r are replacement variables in the Pythagorean theorem since a, b, and c are already in use
p=1;q=−211.907;r=9500
D=(q^2 ) −4pr=(211.907^2 )−4⋅1⋅9500=6904.75561996
D>0
[tex]c_{1,2}[/tex] = (−q± [tex]\sqrt{D}[/tex] )/2p=(211.91±[tex]\sqrt{6904.76}[/tex])/2
[tex]c_{1,2}[/tex] =105.95371114±41.5474295834
([tex]c_{1}[/tex]−147.501140726)([tex]c_{2}[/tex]−64.4062815596)=0
[tex]c_{1}[/tex]=147.501140726
[tex]c_{2}[/tex]=64.4062815596
find the midpoint of the line segment joining points A(6,-5) and B(,6,1)
Explanation:
The two given points have x coordinates of x = 6 each. They add to 6+6 = 12. Divide this in half to get 12/2 = 6. Since the x coordinates were both the same, the midpoint x coordinate is the same as well.
The y coordinates are a bit more interesting. Add them up to get -5+1 = -4. Then cut this in half to get -4/2 = -2. The y coordinate of the midpoint is -2.
Overall, the midpoint is (6, -2)
Answer:
the answer is (6.-2)...
How many shares of Lombard Incorporated traded on the 17th?
Answer:
Step-by-step explanation:
okkgcxzhngltzbnigxymizfvkocx
Daniel wants to open an account to purchase a new computer. He was able to put $750 into an account that pays him 8.5% interest. The cost of the computer he wants is $1,150.00. How long will he have to wait to withdraw the money?
Answer:
Daniel has to wait around 5.24 years to withdraw the money.
Step-by-step explanation:
We are given that Daniel wants to open an account to purchase a new computer. He was able to put $750 into an account that pays him 8.5% interest. The cost of the computer he wants is $1,150.00.
Let the Principal sum of money be represented by 'P'.
The rate of interest be represented by 'R'.
The time period be represented by 'T'.
The final amount of money be represented by 'A'.
Assuming the interest given is compound interest.
So, the formula for calculating the amount of money is given by;
[tex]\text{A} = \text{P} \times (1-\text{R})^{\text{T}}[/tex]
Here, A = $1,150, P = $750, R = 8.5% and let the time he have to wait to withdraw the money be 'n'.
So, putting these values in the above formula we get;
[tex]\text{A} = \text{P} \times (1+\text{R})^{\text{T}}[/tex]
[tex]\text{\$1,150} = \text{750} \times (1+\text{0.085})^{\text{n}}[/tex]
[tex](1+\text{0.085})^{\text{n}} = \frac{\$1,150}{\$750}[/tex]
[tex](1+\text{0.085})^{\text{n}} = 1.533[/tex]
Taking log on both sides;
[tex]\text{n} \times ln(1+\text{0.085}) = ln(1.533)[/tex]
[tex]n = \frac{ ln(1.533)}{ ln(1.085)}[/tex]
n = 5.24 years
Hence, he has to wait around 5.24 years to withdraw the money.
What is the value of x in the figure below? In this diagram, AABD - ACAD.
===================================================
The right triangles are similar, allowing us to form the proportion below
BD/AD = AD/DC
5/AD = AD/9 .... substitution
5*9 = (AD)*(AD) .... cross multiply
45 = (AD)^2
(AD)^2 = 45
AD = sqrt(45) ... apply square root
We could simplify but your teacher has decided not to. If you want to simplify, then
AD = sqrt(45)
AD = sqrt(9*5)
AD = sqrt(9)*sqrt(5)
AD = 3*sqrt(5)
--------
Segment AD is the geometric mean of BD and DC.
AD = sqrt(BD*DC)
which is the result of solving BD/AD = AD/DC for AD
So,
AD = sqrt(BD*DC)
AD = sqrt(5*9)
AD = sqrt(45)
Find the length of the missing side of the right triangle below.
Answer:
your answer is a = + √105 .
find square root of 2x2x3x3x4x4
square root = 24
Step-by-step explanation:
2x2x3x3x4x4 =576
Answer:
24
Step-by-step explanation:
2x2x3x3x4x4
= 2x3x4=24
Binomial (x – 6) and trinomial (–2x2 + x + 9) are the factors of which of the following polynomials?
Answer:
The polynomial is -2x³ + 13x² + 3x - 54.
Step-by-step explanation:
The binomial expression is: (x - 6)
The trinomial expression is: (-2x² + x + 9)
Multiply the two expressions to determine the resulting polynomial as follows:
[tex](x-6)(-2x^{2}+x+9)=x(-2x^{2}+x+9)-6(-2x^{2}+x+9)[/tex]
[tex]=-2x^{3}+x^{2}+9x+12x^{2}-6x-54\\=-2x^{3}+13x^{2}+3x-54[/tex]
Thus, the polynomial is -2x³ + 13x² + 3x - 54.
help me find x please
Answer:D
Step-by-step explanation:
Hope that helped
Answer:
its in the balls
Step-by-step explanation:
2xsquered minus 8x minus 24
Answer:
x = 6 or x = -2
Step-by-step explanation:
Solve for x:
2 x^2 - 8 x - 24 = 0
The left hand side factors into a product with three terms:
2 (x - 6) (x + 2) = 0
Divide both sides by 2:
(x - 6) (x + 2) = 0
Split into two equations:
x - 6 = 0 or x + 2 = 0
Add 6 to both sides:
x = 6 or x + 2 = 0
Subtract 2 from both sides:
Answer: x = 6 or x = -2
Tyrone claims that the first step to simplfy this expression is to raise the numerator and denominator to the third power. Alisha claims that the first step to simplfy is to apply the qoutient of powers. Who is correct? Explain.
Answer:
Alisha's approach is simpler and less complicated
Step-by-step explanation:
Given:
(m^2*n^-3) / (m^6*n^-1)
Tyrone's approach.
(m^2*n^-3) / (m^6*n^-1)
(m^2*n^-3)^3 / (m^6*n^-1)^3
You can find the cube root of both the numerator and denominator in order to eliminate the third power
3√((m^2*n^-3)^3 / 3√(m^6*n^-1)^3
This will take us back to the original expression
(m^2*n^-3) / (m^6*n^-1)
= m^(2-6)*n^(-3+1)
= m^-4*n^-2
= 1/(m^4*n^2)
Alisha's approach.
(m^2*n^-3)/(m^6*n^-1)
= m^(2-6)*n^(-3+1)
= m^-4*n^-2
= 1/(m^4*n^2)
The approach of both of them are correct, however, Tyrone's approach will make the expression more complicated but they would still arrive at the same answer. 1/(m^4*n^2)
What is the answer to -5+2/3 hurry please
Answer:
-4.33333333333
Step-by-step explanation:
Greetings from Brasil...
To add or subtract fractions we can use the following expression:
A/B + C/D = A.D/BD + C.B/BD- 5 and - 5/1 is the same
- 5 + 2/3 = - 5/1 + 2/3
(-5.3)/(1.3) + (2.1)/(1.3)
(- 15 + 2)/3
- 13/3Question 1
n+ 19 = 40
What does n equal?
Answer:
Hey there!
n+19=40
-19=-19
n=21
Let me know if this helps :)
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{ n = 21}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{n + 19 = 40}[/tex]
Move 19 to right hand side and change it's sign
⇒[tex] \sf{n = 40 - 19}[/tex]
Subtract 19 from 40
⇒[tex] \sf{n = 21}[/tex]
Hope I helped!
Best regards!!
Nine years ago, Tarah opened a savings account with her bank. She started with a balance of $359 and has not made any withdrawals or deposits since then. If her interest rate is 8% each year, how much interest has accrued using simple interest? Total Interest = $ What is Tarah's new total balance? New Balance Total = $
Answer:
Total- 617.48 Interest- 258.48
Step-by-step explanation:
First, we need to find out what 8% of 359 is.
.08 times 359 = 28.72. This is how much interest is gained in a year. Since she waited 9 years, we multiply 28.72 by 9 and get 258.48. This is the total interest.
Now we just add 258.48 and 359 to get 617.48.
Answer:
617.48
Step-by-step explanation:
SI = P x R x T / 100
SI = Simple Interest
P = Principal
R = Rate
T = Time
SI = 359 x 9 x 8 / 100
=> SI = 2872 x 9 /100
=> SI = 25848 /100
=> SI = 258.48
New Balance = Principal + Simple Interest
=> New Balance = 359 + 258.48
=> New Balance = 617.48
What value of a makes x/2 + 4= 8 true?
Answer:
x = 8
Step-by-step explanation:
x/2 + 4 = 8
x/2 = 8 - 4
x/2 = 4
x = 4*2
x = 8
Probe:
8/2 + 4 = 8
4 + 4 = 8
Answer:
x = 8
Step-by-step explanation:
Subtract 4 from each side to cancel out the positive 4. It should now look like this: x/2 = 4Multiply each side by 2. It should now look like this: x = 8Therefore, x equals 8.
If you are given the functions f(x) = 3x + 1... Can you find the input value if f(x) = 10
Answer:
Input value: 3
Step-by-step explanation:
If I'm understanding the question correctly it would look like this.
[tex]10 = 3x + 1[/tex]
Next: Subtract one
[tex]9 = 3x[/tex]
Divide by three to get x.
[tex]x = 3[/tex]
Step-by-step explanation:
[tex]\huge{\purple{\underline{\underline{\bf{\pink{Answer}}}}}}[/tex]
In this we have give the value of x = 10
[tex]f(x) = 3x + 1[/tex]
[tex]f(10) = 3(10) + 1[/tex]
[tex]f(10) = 30 + 1[/tex]
[tex]f(10) = 31[/tex]
so the value of x is 31
hope it helps
Wendy thinks the perfect chocolate chip cookie has 353535 chocolate chips for every 555 ounces of dough. Cookie Club makes batches of chocolate chips cookies with 100100100 chocolate chips and 151515 ounces of dough.
Answer:
Wendy will think cookie club chocolate cookies are not chocolatey enough
Step-by-step explanation:
Wendy thinks the perfect chocolate chip cookie has 35 chocolate chips for every 5 ounces of dough. Cookie Club makes batches of chocolate chips cookies with 100 chocolate chips and 15 ounces of dough. What will Wendy think about Cookie Club's cookies?
Perfect chocolate chip cookie=35 chocolate chips for every 5 ounces of dough
Wendy's perfect chocolate chip cookies = 35 chocolate chips for every 5 ounces of dough
= 35 : 5
=7:1
Cookie club chocolate chips cookies=100 chocolate chips for every 15 ounces of dough
=100 : 15
=20 : 3
Cookie club chocolate cookies have 3 times the amount of dough
Therefore,
Wendy will think cookie club chocolate cookies are not chocolatey enough
Answer:
Not choclatey enough
Step-by-step explanation:
Help on both questions please!! Ty
Simplify the radical. 4^√10 A)√20 B)4√10^5 C)2√5 D)2√10^5
Answer:
80.145817
Step-by-step explanation:
4√10 = 80.145817
Write a fraction equivalent to 3/5 that has a denominator of 100.
Answer:
60/100
Step-by-step explanation:
We know that 20 goes into 100 5 times, so we multiple numerator and denominator by 20 to get an equivalent fraction:
[tex]\frac{3}{5} (\frac{20}{20} )=\frac{3(20)}{5(20)} =\frac{60}{100}[/tex]
Heather cut away 6.22 meters of rope. Before that, she had 9 meters of rope. How much rope does Heather have left?
Answer:
2.78 meters
Step-by-step explanation:
Subtract 6.22 from 9
9 - 6.22
= 2.78
So, she had 2.78 meters of rope left
Answer:
[tex]\huge\boxed{\mathrm{2.78\ meters}}[/tex]
Step-by-step explanation:
Heather had = 9 meters
She cut away = 6.22 meters
Heater have left:
=> 9 - 6.22
=> 2.78 meters
what is the distance between -2 and 5
Answer:
7
Step-by-step explanation:
To find distance on a number line you add and 2+5=7
Evaluate: 6x2 + (9y-2)+y when x= 3 and y=8.
Answer:
98
Step-by-step explanation: All you have to do is multiply 6 by 3 and then multiply that answer by 2. Then you multiply 9 by 8 and subtract 2, then you add all that together and finally, subtract it by 8
Answer:
The answer is 402.
Step-by-step explanation:
First thing to do is substitute the variables.
6(3)^2+(9(8)-2)+8
Now, multiply and subtract what is in the parenthesis.
6(3)^2+(72-2)+8
6(3)^2+70+8
Now, multiply once again.
18^2+70+8
Now, simplify the exponents.
324+70+8=402
5(x+1)=4x+21
solve please