5,466 Answered Questions for the topic mathematics

Mathematics

15h

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

#### 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...
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#### calc 2 parametrization for a curve

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

#### 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...
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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)

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...
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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...
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Mathematics

5d

#### If you have a pole that is 21 and 1/8 inches long, 1/8 is lost in the cut and one piece is twice as long as the other, how long is it

#### 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.

#### 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..

#### 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?

#### 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?

7d

#### 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

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

10d

#### 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).

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...
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#### 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...
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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...
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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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