12/01/19

Math -geometry~hexagon diagonals

Given regular hexagon BCDEFG with diagonal EG-find m<FEG

11/28/19

probability and statistics

If a pair of standard dice are rolled, what is the probability that at least one die shows a 5? Be sure to reduce the answer.

Let y= -sqrt(18)sin(7pi x-3e^-1)

What is the amplitude? What is the period? What is the phase shift?

Please Help Me!

Simplify: (√11 3√11)(A) 112/3(B) 1111/6(C) 113/4(D) 111/6(E) none of theseThe answer I got is (D) 111/6. However, I still got it wrong. Can someone please explain how I got this question wrong?

11/26/19

Median AM and CN of △ABC intersect at point O. What part of area of △ABC is the area of △AON?

Median AM  and CN  of △ABC intersect at point O. What part of area of △ABC is the area of △AON?    

11/20/19

exact solutions

Find all exact solutions on the interval 0 ≤ x < 2π. (Enter your answers as a comma-separated list.)cot(x) + 5 = 4csc2(x) − 8 = −4

Algebra Question! Please Help! Solve for z:

Solve for z:(a/z)+(y/a)=x(A) (a)/(x-y)(B) a(ax+y)/(xy)(C) (a2)/(ax-y)(D) (a)/(ax+y)(E) none of these

WHAT IS THE ALTITUDE OF THE CLIMBER

Two search teams spot a stranded climber on a mountain. The first search team is 0.5 miles from the second search team, and both teams are on the same side of the mountain at an altitude of 1 mile.... more

11/20/19

If a^2 + b^2 =7ab , prove log (a+b/3)=1/2 (loga+logb)

11/12/19

The focus of a parabola is (0,2), and its directrix is the vertical line x=-6. What is the axis of symmetry, the vertex, and the direction the parabola opens?

This is a math question that I do not understand. How do you get the c value (if focus is h+c and directrix is h-c) and find the equation from there?

Precalc question

A Norman window is a rectangle with a semicircle on top. Suppose that the perimeter of a particular Norman window is to be 24 feet. What should its dimensions be in order to maximize the area of... more

Precalc question

If the graph of the quadratic function f(x) = x^2 + dx + 3d has its vertex on the x-axis, what are the possible values of d? What if f(x) = x^2+3dx−d^2+1

10/29/19

I don't understand how to solve these, can you help?

Verify each identity(a) tanΘ + secΘ = cos Θ/1-sinΘ(b)tan2Θ - sin2Θ = sin2Θ tan2Θ

10/28/19

arithmetic sequence

find a formula for the nth term in this arithmetic sequence:a1=8, a2=4, a3=0, a4=-4

There are two numbers

there are two numbers with the following properties. 1) one number is 7 more than the other number 2) The product of two numbers is 13 less than their sum. Which of the following represents... more

What digit will make the number divisible by​ 4 and 8 (917,1_06)

What digit will make the number divisible by​ 4 and 8 (917,1_06)

10/21/19

A circle has an area of 25 pi cm^2 what is the diameter?

need to find the diameter of a circle that has an area of 25 pi cm^2

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