Plz help i dont understand and if u can help i will mark brainliest!!​
kiniwih426 avatar

Answers

Answer 1
Answer:

Answer:

Let fertilizer be F

and peat moss be P

since F is proportional to P

F = kP

where, k = constant of proportionality

k = F/P

putting in the values,

k = (3/4) /12

k = 3/4 * 1/12

k = 1/16

Therefore the constant of proportionality is 1/16.


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Does sine inverse have an exponent? If not, why is there a negative one there? If so, why can't you just divide?
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Write an equation in point slope form of the line that passes through the given point and the given slope m(-9,8) and m=4

Answers

Answer:

The answer is

\huge y - 8 =  4(x + 9) \n

Step-by-step explanation:

To find an equation of a line in point slope form when given the slope and a point we use the formula

y -  y_1 = m(x -  x_1)

From the question we have the final answer as

y - 8 =   4(x + 9)

Hope this helps you

Evaluate the indefinite integral as a power series f(x) = 1 tan-1(x7) dx n=0 What is the radius of convergence R? R= -/0.77 points
Evaluate the indefinite integral as a power series x7 In(1 x) dx f(x) = C + n=0
What is the radius of convergence R?

Answers

Answer:

A.

\mathbf{f(x)=C +  \sum \limits ^(\infty)_(n=0) ((-1)^n \ x^(14n +8))/((2n+1)(14n+8))}

For convergence  since |x| > 1

The radius of convergence R = 1

B.

\mathbf{f(x) = C + \sum \limits ^(\infty)_(n =0)  \frac{(-1)^n \ x^(n+9)} {(n+1) (x^(n+9))}}

For convergence  since |x| < 1

The radius of convergence R = 1

Step-by-step explanation:

A.

Given that:

f(x) = \int tan^(-1) (x^7) \ dx

Let recall that for Power series of tan⁻¹ (x)

tan^(-1) (x) = \sum \limits ^(\infty)_(n=0) ((-1)^n x^(2n+1))/((2n+1))

Then tan^(-1) (x^7) = \sum \limits ^(\infty)_(n=0) ((-1)^n (x^7)^(2n+1))/((2n+1))

tan^(-1) (x^7) = \sum \limits ^(\infty)_(n=0) ((-1)^n  \ x^(14n+7))/((2n+1))

Thus;

f(x) =\int  tan^(-1) (x^7) \ dx = \int \sum \limits ^(\infty)_(n=0) ((-1)^n  \ x^(14n+7))/((2n+1))

\implies  \sum \limits ^(\infty)_(n=0) ((-1)^n )/((2n+1)) \int  x^(14n+7) \ dx

\mathbf{f(x)=C +  \sum \limits ^(\infty)_(n=0) ((-1)^n \ x^(14n +8))/((2n+1)(14n+8))}

For convergence  since |x| > 1

The radius of convergence R = 1

B.

\int x^7 \ In (1 + x) \ dx

Recall that for power series of,

In(1+x) = \sum \limits ^(\infty)_(n = 0) ((-1)^n \ x^(n+1))/(n +1)

Thus;

x^7 \ In (1+x) = x^7 \sum \limits ^(\infty)_(n =0)  ((-1)^n \ x^(n+1) )/(n+1)

\implies  \sum \limits ^(\infty)_(n =0)  ((-1)^n \ x^(n+8) )/(n+1)

f(x) = \int x^7 \ In (1+x) \ dx =  \int  \sum \limits ^(\infty)_(n =0)  ((-1)^n \ x^(n+8) )/(n+1) \ dx

=\sum \limits ^(\infty)_(n =0)  ((-1)^n)/(n+1)  \int  \ x^(n+8) \ dx

\mathbf{f(x) = C + \sum \limits ^(\infty)_(n =0)  \frac{(-1)^n \ x^(n+9)} {(n+1) (x^(n+9))}}

For convergence  since |x| < 1

The radius of convergence R = 1

Final answer:

To evaluate the indefinite integral as a power series for the given equations, we use the power series expansions of the functions involved. The radius of convergence, R, is the distance from the center of the power series to the nearest point where the power series diverges.

Explanation:

To evaluate the indefinite integral f(x) = 1/tan-1(x7) dx as a power series, we can use the power series expansion of tan-1(x). The power series expansion of tan-1(x) is x - (x3/3) + (x5/5) - (x7/7) + .... We substitute x7 for x in the power series expansion and integrate term by term. The radius of convergence, R, is the distance from the center of the power series to the nearest point where the power series diverges.

To evaluate the indefinite integral f(x) = x7ln(1-x) dx as a power series, we can use the power series expansion of ln(1-x). The power series expansion of ln(1-x) is -x - (x2/2) - (x3/3) - (x4/4) - .... We substitute x7 for x in the power series expansion and integrate term by term. The radius of convergence, R, is the distance from the center of the power series to the nearest point where the power series diverges.

Learn more about Integration using power series here:

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zoe has earned 650$ during the four weeks she worked at the rec center. the first 2 weeks she earned 220$ and 98$. the last 2 weeks she earned the same amount. how much money did zoe earn in the last 2 weeks

Answers

Answer:

The wording of this question was really confusing, but I believe the answer is 166 dollars.

Step-by-step explanation:

$220+ $98= $318

650-318=332

332/2=166

A man flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles. Because he is flying into a head wind, the trip takes him 2 hours. On the way back, the wind is still blowing at the same speed, so the return trip takes only .9 hours. What is the plane's speed in still air, and how fast is the wind blowing?

Answers

Answer:

90 mi/h

Step-by-step explanation:

Calculate speed, distance, or time using the formula d = st, distance equals speed times time. The Speed Distance Time Calculator can solve for the unknown sdt value given two known values.

Time can be entered or solved for in units of seconds (s), minutes (min), hours (hr), or hours and minutes and seconds (hh:mm:ss).  

To solve for distance use the formula for distance d = st, or distance equals speed times time.

distance = speed x time

Rate and speed are similar since they both represent some distance per unit time like miles per hour or kilometers per hour. If rate r is the same as speed s, r = s = d/t. You can use the equivalent formula d = rt which means distance equals rate times time.

distance = rate x time

To solve for speed or rate use the formula for speed, s = d/t which means speed equals distance divided by time.

speed = distance/time

To solve for time use the formula for time, t = d/s which means time equals distance divided by speed.

time = distance/speed

Plane speed in still air: 120mph

Wind speed: 30pmh

Speed of plane to Bismarck: 90mph

Speed of plane to Fargo: 150mph

190 muitiplied by 186​

Answers

Answer:

35340

Step-by-step explanation:

please like my answer

Answer: 35340

Step-by-step explanation: just multiply

THE FIRST ANSWER GETS A BRAINLIEST BUT THE ANSWER HAS TO BE RIGHT ALSO 20 POINTS Kiah plotted the locations of her home and the city of Huntingdon on the number line shown. Williamsburg is the same distance from Kiah’s home as Huntingdon, but it is in the opposite direction. Which statement best describes how to find the location of Williamsburg on the number line?
A) The opposite of 6.75 is −6.75, so Williamsburg is at −6.75.
B) The sum of 6.75 and 6.75 is 13.5, so Williamsburg is at 13.5.
C) The numbers 6.75 and −6.75 are the same, so Williamsburg is at 6.75.
D) Opposites, such as 6.75 and −6.75, sum to zero, so Williamsburg is at 0.

Answers

The answer is A ok man?

Answer:

Answer is A plz mark me as branliest like u said

Step-by-step explanation:

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