Questions
[10 pts] A model rocket is launched from a raised platform at a speed of 120...

[10 pts] A model rocket is launched from a raised platform at a speed of 120 feet per second. Its height in feet is given by h(t) = -16t^2 +120 t + 32 where t represents seconds after launch.

a. [3 pts] After how many second does the object reach its maximum height? Use the vertex formula.

b. [2 pts] Use the previous result to find the maximum height reached by the rocket.

c. [5 pts] After how many second does the rocket hit the ground?

In: Math

1. For each, circle either True or False. please add an explanation to each one so...

1. For each, circle either True or False. please add an explanation to each one so i can understand the reasoning  

(a) (1 point) A continuous function is always integrable. T/F

(b) (1 point) A differentiable function is always continuous. T/F

(c) (1 point) An integrable function is always differentiable. T/F

(d) (1 point) If c is a critical value of function f then f(c) is a relative maximum. T/F

(e) (1 point) If c is a relative minimum of function f then c is a critical value of f. T/F

(f) (1 point) If f is not differentiable at a then f(a) does not exist. T/F

(g) (1 point) f00(c) = 0 implies c is an infection point. T/F

(h) (1 point) A relative maximum is always an absolute maximum. T/F

In: Math

Anthropologists examined the gene for Rh blood type in two villages on the northern coast of...

Anthropologists examined the gene for Rh blood type in two villages on the northern coast of Nunavut, Canada. This blood type has two alleles, "plus" and "minus". The "plus" allele had a frequency of 60% in Taloyoak, and a frequency of 50% in Kugaaruk. For the remaining part of the question, we will assume that the two villages have the same population size.


Step 1a: For Taloyoak, what is the frequency of the "minus" allele?


Step 1b: For Kugaaruk, what is the frequency of the "minus" allele?


Step 2a: What is the average allele frequency for "plus" in the total population including both villages?


Step 2b: What is the average allele frequency of the "minus" allele in the total population including both villages?


Step 3a: What is the heterozygosity in Taloyoak?


Step 3b: What is the heterozygosity in Kugaaruk?


Step 4: What is the average of the heterozygosities in Taloyoak and Kugaaruk (HS)?


Now go back to the average allele frequencies you calculated in step 2a and 2b.


Step 5: What is the heterozygosity based on the total population allele frequencies (HT)?


Step 6: Calculate FST = (HT-HS)/HT.

In: Math

a) ty’ −y/(1+T) = T,(T>0),y(1)=0 b) y′+(tanT)y=(cos(T))^2,y(0)=π2 Solve the above equations.

a) ty’ −y/(1+T) = T,(T>0),y(1)=0

b) y′+(tanT)y=(cos(T))^2,y(0)=π2

Solve the above equations.

In: Math

a) Find the volume of the solid obtained by revolving the region in the first quadrant...

a) Find the volume of the solid obtained by revolving the region in the first quadrant bounded by the curves y= x^(1/2) & y= x^5 about the x-axis

b) Find the volume of the solid obtained by revolving the region between the curve
f(x)= x^(1/3) , the line y=2, and the line x=8 about the y-axis

In: Math

first of all thankuu and please i dont need theory just clear my concept very clear...

first of all thankuu and please

i dont need theory just clear my concept very clear so that i never have problems insolving such questions

give me a very brief explanation about volume of solid rotated about a line, x axis ,y axis using shell method washer method and disk method using visual representation of how to choose element area and then limits how we decide i dont need this for any assignments or anything submission type its for my understanding because seriously i have a very confusing regarding how to solve such questions type please its very help to me i will rate you definitely pleasee

teach me how to setup intergal using diagram in easy language

thanks, dont cut copy paste from anywhere

In: Math

The point ?(√6 cos ? , √3 sin ?) is on an ellipse. a) Write down...

The point ?(√6 cos ? , √3 sin ?) is on an ellipse.

a) Write down the equation of this ellipse in Cartesian form and find its foci.

b) A hyperbola has the same foci as this ellipse and one of the branches cuts the ?-axis at 1. What is the equation of the hyperbola?

In: Math

What is called a basis for a vector space? What are the extra properties you expect...

What is called a basis for a vector space? What are the extra properties you expect for a good basis?why?

In: Math

An equation of a hyperbola is given. 25x2 − 16y2 = 400 (a) Find the vertices,...

An equation of a hyperbola is given.

25x2 − 16y2 = 400

(a) Find the vertices, foci, and asymptotes of the hyperbola. (Enter your asymptotes as a comma-separated list of equations.)

vertex (x, y) =
(smaller x-value)
vertex (x, y) =
(larger x-value)
focus (x, y) =
(smaller x-value)
focus (x, y) =
(larger x-value)
asymptotes    

(b) Determine the length of the transverse axis.

(c) Sketch a graph of the hyperbola.

In: Math

Prove that the SMSG axiomatic set is not independent. SMSG Axioms: Postulate 1. Given any two...

Prove that the SMSG axiomatic set is not independent.

SMSG Axioms:

Postulate 1. Given any two distinct points there is exactly one line that contains them.
Postulate 2. Distance Postulate. To every pair of distinct points there corresponds a unique positive number. This number is called the distance between the two points.
Postulate 3. Ruler Postulate. The points of a line can be placed in a correspondence with the real numbers such that:

To every point of the line there corresponds exactly one real number.

To every real number there corresponds exactly one point of the line.

The distance between two distinct points is the absolute value of the difference of the corresponding real numbers.

Postulate 4. Ruler Placement Postulate Given two points P and Q of a line, the coordinate system can be chosen in such a way that the coordinate of P is zero and the coordinate of Q is positive.
Postulate 5.

Every plane contains at least three non-collinear points.

Space contains at least four non-coplanar points.

Postulate 6. If two points lie in a plane, then the line containing these points lies in the same plane.
Postulate 7. Any three points lie in at least one plane, and any three non-collinear points lie in exactly one plane.
Postulate 8. If two planes intersect, then that intersection is a line.
Postulate 9. Plane Separation Postulate. Given a line and a plane containing it, the points of the plane that do not lie on the line form two sets such that:

each of the sets is convex

if P is in one set and Q is in the other, then segment PQ intersects the line.

Postulate 10. Space Separation Postulate. The points of space that do not lie in a given plane form two sets such that:

Each of the sets is convex.

If P is in one set and Q is in the other, then segment PQ intersects the plane.

Postulate 11. Angle Measurement Postulate. To every angle there corresponds a real number between 0° and 180°.
Postulate 12. Angle Construction Postulate. Let AB be a ray on the edge of the half-plane H. For every r between 0 and 180 there is exactly one ray AP, with P in H such that m∠PAB=r.
Postulate 13. Angle Addition Postulate. If D is a point in the interior of ∠BAC, then m∠BAC = m∠BAD + m∠DAC.
Postulate 14. Supplement Postulate. If two angles form a linear pair, then they are supplementary.
Postulate 15. SAS Postulate. Given a one-to-one correspondence between two triangles (or between a triangle and itself). If two sides nd the included angle of the first triangle are congruent to the corresponding parts of the second triangle, then the correspondence is a congruence.
Postulate 16. Parallel Postulate. Through a given external point there is at most one line parallel to a given line.
Postulate 17. To every polygonal region there corresponds a unique positive real number called its area.
Postulate 18. If two triangles are congruent, then the triangular regions have the same area.
Postulate 19. Suppose that the region R is the union of two regions R1 and R2. If R1 and R2 intersect at most in a finite number of segments and points, then the area of R is the sum of the areas of R1 and R2.
Postulate 20. The area of a rectangle is the product of the length of its and the length of its altitude.
Postulate 21. The volume of a rectangle parallelpiped is equal to the product of the length of its altitude and the area of its base.
Postulate 22. Cavalieri's Principle. Given two solids and a plane. If for every plane that intersects the solids and is parallel to the given plane the two intersections determine regions that have the same area, then the two solids have the same volume.

In: Math

1. Find the standard form of the equation of the hyperbola satisfying the given conditions. Foci...

1. Find the standard form of the equation of the hyperbola satisfying the given conditions. Foci at (-5,0) and (5,0); vertices at (1,0) and (-1,0).

2. Find the standard form of the equation of the hyperbola satisfying the given conditions. Foci at (0,-8) and (0,8); vertices at (0,2) and (0,-2).

In: Math

What is the Maclaurin series for the function f(x)=arcsinx. Find the radius of convergence of the...

What is the Maclaurin series for the function f(x)=arcsinx. Find the radius of convergence of the series.

In: Math

Solve this differential equation y''+(-4-2-2)y'+(4+4+4+4)y=x y(0)=3-2 y'(0)=2-3 Answer it as y(x)=... and motivate all the steps...

Solve this differential equation

y''+(-4-2-2)y'+(4+4+4+4)y=x

y(0)=3-2

y'(0)=2-3

Answer it as y(x)=... and motivate all the steps of the calculation

In: Math

Marla is running clockwise around a circular track. She runs at a constant speed of 2...

Marla is running clockwise around a circular track. She runs at a constant speed of 2 meters per second. She takes 46 seconds to complete one lap of the track. From her starting point, it takes her 12 seconds to reach the northernmost point of the track. Impose a coordinate system with units in meters, the center of the track at the origin, and the northernmost point on the positive y-axis. (Round your answers to two decimal places.)

(a) Give Marla's coordinates at her starting point. (

b) Give Marla's coordinates when she has been running for 10 seconds.

(c) Give Marla's coordinates when she has been running for 909.3 seconds.

In: Math

Let A be a 2×2 symmetric matrix. Show that if det A > 0 and trace(A)...

Let A be a 2×2 symmetric matrix. Show that if det A > 0 and trace(A) > 0 then A is positive definite. (trace of a matrix is sum of all diagonal entires.)

In: Math