5,466 Answered Questions for the topic mathematics

Mathematics

15h

Write the solution for −4x>3/8 in set notation

Mathematics Math Calculus Calc 2

1d

Find a parameterization for a circle

Find a parameterization for the circle (x-10)^(2) + y^(2)= 25 starting at the point (5,0) and moving clockwise once around the​ circle, using the central angle θ in the figure to the right as the... more
Mathematics Math Calculus Curve

1d

calc 2 parametrization for a curve

Find a parametrization for the curve described below.the line segment with endpoints (-2,-4) and (-7,1)
Mathematics Math Calculus Algebra

2d

Evaluate [i18+(1i)25]^2

Mathematics Math Calculus Geometry

3d

Let α and β be two acute angles of a right triangle in a unit circle. (Thus α and β are complementary angles.)

 Under what conditions will sin⁡(α)=cos⁡(α)
Mathematics

3d

math question based on related rates

A ladder 26 ft long rests on the (horizontal) ground and leans against a (vertical) wall. The base of the ladder is pulled away from the wall at a rate of 4 ft/sec. How fast is the top of the... more
Mathematics Math Geometry Precalculus

3d

Let α and β be two acute angles of a right triangle in a unit circle. (Thus α and β are complementary angles.)

a. Show that sin⁡(α)=cos⁡(β) and sin⁡(β)=cos⁡(α)b. Under what conditions will sin⁡(α)=cos⁡(α)
Mathematics Math Calculus Precalculus

3d

PLSSS HELPPP. The following equation is often referred to Euler's formula. e^πi+1=0

a. Identify three important mathematical constants in the formula. Explain why each constant is important.b. Use what you know about complex numbers to show that this equation is true. In other... more
Mathematics Math Precalculus Algebra

3d

Cassandra attempts to do the yo-yo trick 'Around the World

She throws the yo-yo so that it sweeps out a vertical circle whose radius is the length of the yo-yo string. If the yo-yo string is 27 inches long and the distance the yo-yo travels in an arc is... more
Mathematics Math Geometry

5d

Can someone please help me with this Geometry problem?

Find the area of △ABC with vertices at A (2,-3), B (0,1), and C (0,-2).For this I got 3, am I correct?
Mathematics Math

5d

The sum of two integers is 17. Two times the greater is equal to 10 times one more than the lesser. Find the two numbers.

 The sum of two integers is 17. Two times the greater is equal to 10 times one more than the lesser. Find the two numbers.
Mathematics Math Sat Math

5d

Need help on last question PLEASE.

Nine increased by the product of a number and 4 is greater than or equal to −15Use the variable y for the unknown number..
Mathematics Math Maths

7d

HELP MATH PROBLEM

This year, a small business had a total revenue of $42,900 . If this is 35% less than their total revenue the previous year, what was their total revenue the previous year?
Mathematics Math Sat Math Maths

7d

Today only, a desk is being sold at a 33% discount. The sale price is $268. What was the price yesterday?

Today only, a desk is being sold at a 33% discount. The sale price is $268. What was the price yesterday?

Geometry mathematics

What is the largest length and breadth of a rectangle that can be kept inside a circle of diameter 80 with steps for calculation
Mathematics

8d

The length of a rectangle is 3 times the width, and the rectangle has a perimeter of 170 yards. what is its length?

im stupid please help. textbooks dont explain anything
Mathematics Math Calculus Precalculus

8d

step by step solution of the given.

1.) Suppose that g(x,y,z)=x3y2z-1. Determine its Hessian H(g) at the point (1,1,1).
Mathematics Math

10d

I need help on this question please: x(x+3)(x+3)=0

Differential equation

1) Consider x ≠ 0. Solve the differential equation(y6 − 4x6)dx + 3x4y2dy = 0.Determine the particular solution that passes through the point (1, 2).
Mathematics Math Geometry Trigonometry

10d

Please help me on this Trigonometry Right Triangle question.

Question:Two walls of a canyon form the walls of a steady flowing river. From a point on the shorter wall, the angle of elevation to the top of the opposing wall is 20° and the angle of depression... more
Mathematics Math Algebra 1 Logic

10d

Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )

Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )(a) Show that it is an order relation. (b) Show that it is total if, and only if, E = {a}I... more
Mathematics Math

10d

Finding the total amount given the percentage of a partial amount

In a recent year, 29.7% of all registered doctors were female. If there were 45,300 female registered doctors that year, what was the total number of registered doctors?Round your answer to the... more
Mathematics Math

10d

Translating a sentence into a multi-step inequality

The sum of a number times 2 and 16 is greater than 22.

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