Doug C.

Math

11/19/22

Venn diagrams question

Two hundred fifty-five teachers were surveyed regarding their plans for the upcoming weekend. The results were as follows: 117 plan to grade papers 109 plan to attend a football game 112 plan... more

Follows • 1

Answers •1

Calculus

11/19/22

calculus critical points

Find the critical points of 𝑓(𝑥)=2cos(3𝑥)+3cos(2𝑥) in [−3𝜋,−𝜋]. give answers in exact form

Follows • 1

Answers •1

Algebra 1

11/18/22

Math Algebra grade 11

A student was exploring the properties of the graphs of quadratic functions.They plotted the family of curves y = -2 (x - 4)2 + q for various values of qIn order for the graph to have one x-... more

Follows • 1

Answers •1

Math Geometry

11/17/22

The center of the circle in the graph is located at point (-1, 3). The point (3, 3) is on the circumference of the circle. What is the approximate area of the circle if you use 3.14 for pi?

Follows • 0

Answers •1

Math Algebra 1 Algebra 2

11/17/22

Solve the following algebraically

Solve algebraically.*NOTE*Grade 12 Advanced Functions (MHF4U)Please answer clearly and neatly.Thanks

Follows • 2

Answers •1

Calculus

11/15/22

Please help me solve

find b and c so that y=5x^2+bx+c has vertex(7,-6)

Follows • 1

Answers •2

Trigonometry

11/15/22

Use the Law of Sines to solve for all possible triangles that satisfy the given conditions.

Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your... more

Follows • 1

Answers •1

Algebra 2

11/14/22

Write the equation of the parabola that has a vertex (-5,6) and directrix y=2.

Follows • 0

Answers •2

Math

11/14/22

If a_1 = 2 and a_n = a_n-1+2 then find the value of a_4

Follows • 1

Answers •1

Differential Equations

11/14/22

Extremely lost please help: The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 88 cm 2 cm 2 , what is the length of the diagonal?

The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 88 cm2cm2, what is the length of the diagonal?The length of the diagonal is cm.Give your answer to 2... more

Follows • 1

Answers •1

Calculus

11/14/22

he 5 rectangles in the graph below illustrate a midpoint Riemann sum for f(x)=2^x on the interval [1,4]. The value of this Riemann sum is .

Follows • 1

Answers •1

Calculus

11/14/22

the rectangles in the graph below illustrate a left endpoint Riemann sum for f(x)=4sinx on the interval [0,π]. The value of this Riemann sum is

Follows • 2

Answers •1

Math Precalculus

11/14/22

Make a list of all possible rational zeros of f(x)=5x^3+7x^2−81x+45, and then use this list to find all of the functions’s rational zeros, if any exist.

Rational Zero Candidates: ±Rational Zeros:

Follows • 1

Answers •2

Algebra 1

11/13/22

How do I solve this

Find b and c so that y = 19x2+ bx + c has vertex (7, 0).

Follows • 1

Answers •2

Calculus

11/12/22

Implicit Differentiation

Find dy/dx by implicit differentiation.ex/y = 6x − y

Follows • 1

Answers •1

Math

11/12/22

Question Please Help

Find the distance from point A(-9,-3) to the line y= x-6. Round your answer to the nearest tenth

Follows • 1

Answers •1

Math Algebra 1 Algebra 2

11/11/22

Using laws of logarithms, write the expression below as a single logarithm 6(log(x+2)+(⁷⁄₆)log(x+1))= log(________________)

Please help me with this. No one can figure it out.

Follows • 1

Answers •2

Calculus

11/10/22

Find the critical points of the given functions.

I just need to confirm somethingy = (2x − 1)2find x1 2(2x-1) d/dx 2x-1y' = 2(2x-1) * 2y' = 4(2x-1)y'= 8x-44= 8x= 4/8 or 1/2so x1 is 1/2then for y1y= (2(1/2)- 1)2y = (1-1)2y= (0)2y1= 0My question is... more

Follows • 1

Answers •2

Precalculus

11/10/22